diff --git a/litellm-rust/Cargo.lock b/litellm-rust/Cargo.lock index c359ca19986..5a8a613204f 100644 --- a/litellm-rust/Cargo.lock +++ b/litellm-rust/Cargo.lock @@ -2027,24 +2027,18 @@ dependencies = [ "tokio", ] -[[package]] -name = "litellm-callbacks" -version = "0.1.0" -dependencies = [ - "rstest", - "serde_json", - "tokio", -] - [[package]] name = "litellm-callbacks-legacy" version = "0.1.0" dependencies = [ - "litellm-callbacks", + "litellm-auth", + "litellm-host", "litellm-host-python", + "proptest", "pyo3", "rstest", "serde_json", + "strum", ] [[package]] @@ -2056,8 +2050,8 @@ dependencies = [ "futures-util", "litellm-auth", "litellm-auth-aws", - "litellm-callbacks", "litellm-core-utils", + "litellm-host", "litellm-llms", "litellm-types", "mime_guess", @@ -2110,12 +2104,22 @@ dependencies = [ "tokio", ] +[[package]] +name = "litellm-host" +version = "0.1.0" +dependencies = [ + "litellm-auth", + "rstest", + "serde_json", + "tokio", +] + [[package]] name = "litellm-host-python" version = "0.1.0" dependencies = [ "futures-util", - "litellm-callbacks", + "litellm-host", "pyo3", "pyo3-async-runtimes", "pythonize", @@ -2139,9 +2143,9 @@ dependencies = [ "litellm-auth-aws", "litellm-auth-azure", "litellm-auth-gcp", - "litellm-callbacks", "litellm-core-utils", "litellm-framing", + "litellm-host", "litellm-types", "reqwest 0.12.28", "rstest", @@ -2598,6 +2602,25 @@ dependencies = [ "unicode-ident", ] +[[package]] +name = "proptest" +version = "1.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "4b45fcc2344c680f5025fe57779faef368840d0bd1f42f216291f0dc4ace4744" +dependencies = [ + "bit-set", + "bit-vec", + "bitflags", + "num-traits", + "rand 0.9.5", + "rand_chacha 0.9.0", + "rand_xorshift", + "regex-syntax", + "rusty-fork", + "tempfile", + "unarray", +] + [[package]] name = "pyo3" version = "0.29.2" @@ -2679,6 +2702,12 @@ dependencies = [ "serde", ] +[[package]] +name = "quick-error" +version = "1.2.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0" + [[package]] name = "quinn" version = "0.11.11" @@ -2842,6 +2871,15 @@ dependencies = [ "rand_core 0.10.1", ] +[[package]] +name = "rand_xorshift" +version = "0.4.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "513962919efc330f829edb2535844d1b912b0fbe2ca165d613e4e8788bb05a5a" +dependencies = [ + "rand_core 0.9.5", +] + [[package]] name = "rayon" version = "1.12.0" @@ -3241,6 +3279,18 @@ version = "1.0.23" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "cf54715a573b99ac80df0bc206da022bcd442c974952c7b9720069370852e21f" +[[package]] +name = "rusty-fork" +version = "0.3.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "cc6bf79ff24e648f6da1f8d1f011e9cac26491b619e6b9280f2b47f1774e6ee2" +dependencies = [ + "fnv", + "quick-error", + "tempfile", + "wait-timeout", +] + [[package]] name = "ryu" version = "1.0.23" @@ -4096,6 +4146,12 @@ dependencies = [ "syn 2.0.119", ] +[[package]] +name = "unarray" +version = "0.1.4" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94" + [[package]] name = "unicase" version = "2.9.0" @@ -4209,6 +4265,15 @@ version = "0.8.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5c3082ca00d5a5ef149bb8b555a72ae84c9c59f7250f013ac822ac2e49b19c64" +[[package]] +name = "wait-timeout" +version = "0.2.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "09ac3b126d3914f9849036f826e054cbabdc8519970b8998ddaf3b5bd3c65f11" +dependencies = [ + "libc", +] + [[package]] name = "walkdir" version = "2.5.0" diff --git a/litellm-rust/Cargo.toml b/litellm-rust/Cargo.toml index ffdbf64bb49..de6eacc62ee 100644 --- a/litellm-rust/Cargo.toml +++ b/litellm-rust/Cargo.toml @@ -10,7 +10,7 @@ repository = "https://github.com/BerriAI/litellm" [workspace.dependencies] litellm-core = { path = "crates/core" } -litellm-callbacks = { path = "crates/callbacks" } +litellm-host = { path = "crates/host" } litellm-callbacks-legacy = { path = "crates/callbacks-legacy" } litellm-framing = { path = "crates/framer" } litellm-auth = { path = "crates/auth" } @@ -26,6 +26,7 @@ litellm-token-counter = { path = "crates/token-counter" } litellm-host-python = { path = "crates/host-python" } bytes = "1" +proptest = "1.7.0" pyo3 = "0.29.2" pyo3-async-runtimes = { version = "0.29.0", features = ["tokio-runtime"] } pythonize = "0.29.0" diff --git a/litellm-rust/crates/auth/src/secret.rs b/litellm-rust/crates/auth/src/secret.rs index 3ecb0a835ee..a07fe3eaad9 100644 --- a/litellm-rust/crates/auth/src/secret.rs +++ b/litellm-rust/crates/auth/src/secret.rs @@ -1,6 +1,8 @@ +use serde::Deserialize; use veil::Redact; -#[derive(Redact, Clone)] +#[derive(Redact, Clone, Deserialize)] +#[serde(transparent)] pub struct SecretValue(#[redact(with = "[REDACTED]")] String); impl SecretValue { diff --git a/litellm-rust/crates/callbacks-legacy/AGENTS.md b/litellm-rust/crates/callbacks-legacy/AGENTS.md index e4762d3037a..8b2e1c15f6e 100644 --- a/litellm-rust/crates/callbacks-legacy/AGENTS.md +++ b/litellm-rust/crates/callbacks-legacy/AGENTS.md @@ -1,15 +1,17 @@ - Target invariants, not completion claims - Keep this crate the legacy `@client` wrapper as the native call sees it, and nothing else: the `Logging` contract (`function_setup`, the deployment hooks, `pre_call`/`post_call`, the sync and async success and failure fan-out, the deferred proxy release, the argument sharing those callbacks rely on) plus the kwargs rewrites the wrapper makes on the way in (credential-name inheritance, the budget and retry-count limits) - - The driver in `litellm-host-python`, the routes and core see one `CallbackAdapter`; they never learn which Python objects consume a call + - The driver in `litellm-host-python`, the routes and core see one `PythonLifecycle`; they never learn which Python objects consume a call +- Rust drives the call; every litellm Python internal it still borrows is a variant of `LegacyPython`, grouped by subsystem (`Wrapper`, `Logging`, `DeploymentHooks`) + - The enum only shrinks: when Rust owns a subsystem, delete its group rather than adding a Rust path beside it + - Calling a user's own callback directly is permanent Python surface and gets its own type outside `LegacyPython` - `PublicCall` is the caller's call as `Logging` sees it: the positional arguments, the keyword view as the legacy path rewrites it (setup, deployment hook, prepare) and the bound request object whose attributes back keywords the caller omitted; routes hand it over through `run_legacy_call` and keep no copy -- `setup` decides once who owns the `Logging` instance and returns it as `CallSetup.bridge_owned`; `PythonLogger` carries it and nothing on the instance records it - - A logger the caller passed as `litellm_logging_obj` is caller-owned and observed in full, because the caller reads it after the call; the proxy is the live case - - A logger `function_setup` built for this call is bridge-owned, so each fan-out phase is skipped when `callbacks_needed` finds no registry, dynamic callback, `logger_fn` or debug switch for it; cost, timing and response metadata still run +- `setup` reuses a `Logging` the caller passed as `litellm_logging_obj` (the proxy and Router are the live cases) and otherwise builds one through `function_setup`, as `@client` does + - Either way every phase calls the same `Logging` method the Python path calls; which callbacks run is `Logging`'s decision, never this crate's - Callbacks receive the caller's own objects and may mutate them; this crate alone carries that obligation - Retain complete boundary arguments, opaque unknown values, aliases, omitted/default distinctions and deliberate copies; preserve the established deployment-hook kwargs view - - Re-alias every `passthrough_fields` body key to the caller's object before `pre_call`; a keyword wins over the request attribute even when it is an explicit `None` + - Before `pre_call`, re-alias every body key whose value equals the caller's argument to the caller's own object; this crate compares the two itself, and the argument is resolved by `litellm_host_python::lookup` - Retain independently captured body/header roots from `pre_call` to `post_call`; in-place mutation reaches the wire, envelope field replacement is visible to later callbacks only - - A later kind of callback host (WASM, in-process Rust) has none of these obligations, so they stay out of `litellm-callbacks`, `litellm-host-python` and the bridge; the only facts that cross from the route are the prepared keyword view and `RequestContext.passthrough_fields` + - A later kind of callback host (WASM, in-process Rust) has none of these obligations, so they stay out of `litellm-host`, `litellm-host-python` and the bridge; the only fact that crosses from the route is the prepared keyword view - Success and failure handlers receive the exact selected public response or exception; logging projections, redaction and snapshots keep their own copy contracts - Ordinary failure-handler errors cannot suppress the other eligible family or replace the mapped provider error; a cancellation ends the call with no further dispatch - Dispatch errors never replay provider work or trigger the opposite outcome; the proxy's acceptance or rejection releases deferred success at most once diff --git a/litellm-rust/crates/callbacks-legacy/Cargo.toml b/litellm-rust/crates/callbacks-legacy/Cargo.toml index 96c9c9ed560..023c13d912b 100644 --- a/litellm-rust/crates/callbacks-legacy/Cargo.toml +++ b/litellm-rust/crates/callbacks-legacy/Cargo.toml @@ -7,10 +7,15 @@ repository.workspace = true autotests = false [dependencies] -litellm-callbacks.workspace = true +litellm-host.workspace = true litellm-host-python.workspace = true + pyo3.workspace = true +strum.workspace = true +serde_json.workspace = true [dev-dependencies] +litellm-auth.workspace = true +proptest.workspace = true rstest.workspace = true serde_json.workspace = true diff --git a/litellm-rust/crates/callbacks-legacy/python_contract.json b/litellm-rust/crates/callbacks-legacy/python_contract.json new file mode 100644 index 00000000000..8a7f3b98f47 --- /dev/null +++ b/litellm-rust/crates/callbacks-legacy/python_contract.json @@ -0,0 +1,118 @@ +{ + "setup": [ + "call_type", + "args", + "kwargs", + "start_time", + "asynchronous" + ], + "check_limits": [ + "kwargs" + ], + "finalize": [ + "response", + "logger", + "kwargs", + "start_time", + "end_time" + ], + "update_logging": [ + "logger", + "kwargs", + "model", + "optional_params", + "litellm_params", + "custom_llm_provider" + ], + "pre_call": [ + "logger", + "input", + "api_key", + "additional_args" + ], + "post_call": [ + "logger", + "original_response", + "api_key", + "additional_args" + ], + "defers_async_logging": [ + "logger" + ], + "defer_success": [ + "logger", + "pending" + ], + "sync_success_for_async_call": [ + "logger", + "response", + "start", + "end" + ], + "failure_handler": [ + "logger", + "error", + "start", + "end", + "asynchronous" + ], + "submit_success": [ + "logger", + "response", + "start", + "end" + ], + "async_success_handler": [ + "logger", + "response", + "start", + "end" + ], + "enqueue_logging": [ + "coroutine" + ], + "restore_context": [ + "logger" + ], + "custom_pricing_fields": [], + "is_internal_call": [], + "credential_list": [], + "warn_unknown_credential": [ + "name", + "loaded" + ], + "before_deployment_call": [ + "kwargs", + "call_type" + ], + "after_deployment_success": [ + "kwargs", + "response", + "call_type" + ], + "after_deployment_failure": [ + "kwargs", + "error", + "call_type" + ], + "stream_opened": [ + "logger" + ], + "stream_success": [ + "logger", + "url_route", + "endpoint_type", + "request_body", + "chunks", + "start", + "end", + "first_chunk" + ], + "stream_failure": [ + "logger", + "endpoint_type", + "request_body", + "chunks", + "error" + ] +} diff --git a/litellm-rust/crates/callbacks-legacy/src/adapter.rs b/litellm-rust/crates/callbacks-legacy/src/adapter.rs index df346506094..6c013cd1ea5 100644 --- a/litellm-rust/crates/callbacks-legacy/src/adapter.rs +++ b/litellm-rust/crates/callbacks-legacy/src/adapter.rs @@ -2,21 +2,26 @@ //! raises is answered with the same `Logging` calls, in the same order, as the Python //! `@client` path makes them. -use litellm_callbacks::event::{CallEvent, FailureOrigin, RequestContext, Timing, WireRequest}; +use litellm_host::event::{ + FailureOrigin, MachineEvent, RequestContext, Timing, WireRequest, epoch_seconds, +}; use litellm_host_python::{ - AdapterStep, CallbackAdapter, PublicValue, from_py, missing_state, to_py, + LifecycleEvent, LifecycleStep, PythonLifecycle, from_py, missing_state, to_py, }; use pyo3::{ exceptions::{PyBaseException, PyException}, gc::{PyTraverseError, PyVisit}, prelude::*, - types::PyDict, + types::{PyDict, PyList}, }; +use serde_json::Value; use crate::{ DeploymentHooks, LegacyCallbacks, PublicCall, PythonLogger, deferred::{PendingLogging, PendingSuccess}, - finalize, is_internal_call, prepare, setup, + finalize, is_internal_call, + legacy_python::Streaming, + prepare, setup, }; /// What the legacy contract needs to know about the route it is logging. @@ -25,6 +30,22 @@ pub struct LegacySurface { pub call_type: &'static str, /// What `Logging.pre_call` is told the input was. pub input_description: &'static str, + /// How a streamed response is billed; `None` for a route that never streams. + pub stream: Option, +} + +/// The pass-through billing a streamed response goes through once its chunks are in. +#[derive(Clone, Copy, Debug)] +pub struct PassThroughStream { + pub url_route: &'static str, + /// A value of Python's `EndpointType`. + pub endpoint_type: &'static str, +} + +/// What the Messages stream iterator keeps for its end-of-stream billing. +struct DeliveredStream { + chunks: Py, + first_chunk: Option>, } enum Pending { @@ -44,6 +65,8 @@ pub struct LegacyLogging { error: Option>, body: Option>, headers: Option>, + context: Option, + stream: Option, asynchronous: bool, internal: bool, pending: Option, @@ -77,6 +100,8 @@ impl LegacyLogging { error: None, body: None, headers: None, + context: None, + stream: None, asynchronous, internal: false, pending: None, @@ -85,8 +110,8 @@ impl LegacyLogging { /// Deployment hooks are awaited, and Python's synchronous `@client` wrapper never /// runs them. - fn deployment_hooks(&self, py: Python<'_>) -> PyResult { - Ok(self.asynchronous && DeploymentHooks::needed(py)?) + fn runs_deployment_hooks(&self) -> bool { + self.asynchronous } fn logger(&self) -> PyResult<&PythonLogger> { @@ -95,13 +120,13 @@ impl LegacyLogging { }) } - fn prepare(&mut self, py: Python<'_>) -> PyResult { + fn prepare(&mut self, py: Python<'_>) -> PyResult { let prepared = prepare(py, self.call.kwargs().bind(py), self.logger()?)?.unbind(); self.call.set_kwargs(prepared); - Ok(AdapterStep::Arguments(self.call.kwargs().clone_ref(py))) + Ok(LifecycleStep::Arguments(self.call.kwargs().clone_ref(py))) } - fn finalize(&mut self, py: Python<'_>) -> PyResult { + fn finalize(&mut self, py: Python<'_>) -> PyResult { finalize( py, &self.response, @@ -112,7 +137,7 @@ impl LegacyLogging { )?; self.response .as_ref() - .map(|response| AdapterStep::Response(response.clone_ref(py))) + .map(|response| LifecycleStep::Response(response.clone_ref(py))) .ok_or_else(missing_state) } @@ -145,9 +170,7 @@ impl LegacyLogging { .get_item("fallbacks")? .is_none_or(|value| value.is_none()) { - if !logger.callbacks_needed(py, "async_success")? { - logger.success_bookkeeping(py, &self.response, &self.start, &self.end, true)?; - } else if logger.defers_async_logging(py) { + if logger.defers_async_logging(py) { let pending = Py::new( py, PendingLogging { @@ -162,15 +185,72 @@ impl LegacyLogging { logger.sync_success_for_async_call(py, &self.response, &self.start, &self.end) } + fn stream_success(&self, py: Python<'_>, stream: &DeliveredStream) -> PyResult<()> { + let logger = self.logger()?; + let billing = self.surface.stream.ok_or_else(missing_state)?; + let billed = Streaming::Success.call( + py, + ( + logger.object(py), + billing.url_route, + billing.endpoint_type, + &self.body, + &stream.chunks, + &self.start, + &self.end, + &stream.first_chunk, + ), + ); + match billed { + Err(error) if error.is_instance_of::(py) => { + error.write_unraisable(py, Some(logger.object(py))); + Ok(()) + } + result => result.map(|_| ()), + } + } + + /// A failure after the stream reached the caller bills the delivered chunks as + /// partial usage. The sync path has no loop to schedule that on, so it falls back to + /// the plain failure handler. + fn stream_failure(&mut self, py: Python<'_>) -> PyResult { + let (Some(logger), Some(error), Some(stream), Some(billing)) = + (&self.logger, &self.error, &self.stream, self.surface.stream) + else { + return Ok(LifecycleStep::Done); + }; + if !self.asynchronous { + return self.dispatch_failure(py); + } + let scheduled = Streaming::Failure.call( + py, + ( + logger.object(py), + billing.endpoint_type, + &self.body, + &stream.chunks, + error, + ), + ); + match scheduled { + Ok(awaitable) => { + self.pending = Some(Pending::AsyncFailure); + Ok(LifecycleStep::Await(awaitable.unbind())) + } + Err(failure) if is_cancellation(py, &failure) => Err(failure), + Err(_) => Ok(LifecycleStep::Done), + } + } + /// The sync failure handler, then the async one for async calls. Ordinary handler /// errors never replace the selected failure or suppress the other family; a /// cancellation does end the call. - fn dispatch_failure(&mut self, py: Python<'_>) -> PyResult { + fn dispatch_failure(&mut self, py: Python<'_>) -> PyResult { let (Some(logger), Some(error)) = (&self.logger, &self.error) else { - return Ok(AdapterStep::Done); + return Ok(LifecycleStep::Done); }; if self.asynchronous && self.internal { - return Ok(AdapterStep::Done); + return Ok(LifecycleStep::Done); } if let Err(failure) = logger.failure(py, error, &self.start, &self.end, false) && is_cancellation(py, &failure) @@ -178,27 +258,27 @@ impl LegacyLogging { return Err(failure); } if !self.asynchronous { - return Ok(AdapterStep::Done); + return Ok(LifecycleStep::Done); } match logger.failure(py, error, &self.start, &self.end, true) { Ok(Some(awaitable)) => { self.pending = Some(Pending::AsyncFailure); - Ok(AdapterStep::Await(awaitable)) + Ok(LifecycleStep::Await(awaitable)) } - Ok(None) => Ok(AdapterStep::Done), + Ok(None) => Ok(LifecycleStep::Done), Err(failure) if is_cancellation(py, &failure) => Err(failure), - Err(_) => Ok(AdapterStep::Done), + Err(_) => Ok(LifecycleStep::Done), } } } -impl CallbackAdapter for LegacyLogging { +impl PythonLifecycle for LegacyLogging { fn begin( &mut self, py: Python<'_>, arguments: Py, started_at: f64, - ) -> PyResult { + ) -> PyResult { self.call.set_kwargs(arguments); self.start = datetime(py, started_at)?; self.internal = is_internal_call(py)?; @@ -212,9 +292,9 @@ impl CallbackAdapter for LegacyLogging { )?; self.logger = Some(result.logger()?); self.call.set_kwargs(result.kwargs()?); - if self.deployment_hooks(py)? { + if self.runs_deployment_hooks() { self.pending = Some(Pending::DeploymentPreCall); - return Ok(AdapterStep::Await(DeploymentHooks::before_call( + return Ok(LifecycleStep::Await(DeploymentHooks::before_call( py, self.call.kwargs(), self.surface.call_type, @@ -228,18 +308,16 @@ impl CallbackAdapter for LegacyLogging { py: Python<'_>, wire: Box, context: &RequestContext, - ) -> PyResult { + ) -> PyResult { let logger = self.logger()?; logger.update_from_kwargs(py, self.call.kwargs(), &wire, context)?; - if !logger.callbacks_needed(py, "payload")? { - logger.record_api_call_start(py)?; - return Ok(AdapterStep::Wire(wire)); - } let body = to_py(py, &wire.body)? .into_bound(py) .cast_into::()?; - for name in context.passthrough_fields.iter() { - if let Some(value) = self.call.lookup(py, name)? { + for (name, sent) in wire.body.as_object().into_iter().flatten() { + if let Some(value) = self.call.lookup(py, name)? + && from_py::(&value).is_ok_and(|caller| caller == *sent) + { body.set_item(name, value)?; } } @@ -249,11 +327,11 @@ impl CallbackAdapter for LegacyLogging { } self.body = Some(body.clone().unbind()); self.headers = Some(headers.clone().unbind()); - let api_key = self.call.lookup(py, "api_key")?; + self.context = Some(context.clone()); self.logger()?.pre_call( py, self.surface.input_description, - api_key.as_ref(), + context.api_key.as_ref().map(|api_key| api_key.expose()), &body, &headers, &wire.url, @@ -262,7 +340,7 @@ impl CallbackAdapter for LegacyLogging { .iter() .map(|(name, value)| Ok((name.extract::()?, value.extract::()?))) .collect::>>()?; - Ok(AdapterStep::Wire(Box::new(WireRequest { + Ok(LifecycleStep::Wire(Box::new(WireRequest { body: from_py(&body)?, headers, ..*wire @@ -274,12 +352,12 @@ impl CallbackAdapter for LegacyLogging { py: Python<'_>, response: Py, timing: Timing, - ) -> PyResult { + ) -> PyResult { self.end = Some(datetime(py, timing.end_time)?); self.response = Some(response); - if self.deployment_hooks(py)? { + if self.runs_deployment_hooks() { self.pending = Some(Pending::DeploymentPostCall); - return Ok(AdapterStep::Await(DeploymentHooks::after_success( + return Ok(LifecycleStep::Await(DeploymentHooks::after_success( py, self.call.kwargs(), &self.response, @@ -289,36 +367,50 @@ impl CallbackAdapter for LegacyLogging { self.finalize(py) } - fn emit( - &mut self, - py: Python<'_>, - event: &CallEvent, - public: Option>, - ) -> PyResult { - match (event, public) { - (CallEvent::ResponseReceived { raw }, _) => { - let logger = self.logger()?; - if logger.callbacks_needed(py, "payload")? { - logger.post_call(py, &raw.body, self.body.as_ref(), self.headers.as_ref())?; - } - Ok(AdapterStep::Done) + fn emit(&mut self, py: Python<'_>, event: LifecycleEvent<'_>) -> PyResult { + match event { + LifecycleEvent::Started { .. } => Ok(LifecycleStep::Done), + LifecycleEvent::Machine(MachineEvent::ResponseReceived { raw }) => { + let api_key = self + .context + .as_ref() + .and_then(|context| context.api_key.as_ref()) + .map(|api_key| api_key.expose()); + self.logger()?.post_call( + py, + &raw.body, + api_key, + self.body.as_ref(), + self.headers.as_ref(), + )?; + Ok(LifecycleStep::Done) } - (CallEvent::Succeeded { timing }, Some(PublicValue::Response(response))) => { + LifecycleEvent::Succeeded { timing, response } => { self.end = Some(datetime(py, timing.end_time)?); self.response = Some(response.clone_ref(py)); - self.dispatch_success(py)?; - Ok(AdapterStep::Done) + match &self.stream { + Some(stream) => self.stream_success(py, stream)?, + None => self.dispatch_success(py)?, + } + Ok(LifecycleStep::Done) } - (CallEvent::Failed { timing, origin }, Some(PublicValue::Error(error))) => { + LifecycleEvent::Failed { + timing, + origin, + error, + } => { self.end = Some(datetime(py, timing.end_time)?); self.error = Some(error.clone_ref(py).into_value(py)); - if *origin == FailureOrigin::Call + if self.stream.is_some() { + return self.stream_failure(py); + } + if origin == FailureOrigin::Call && self.logger.is_some() - && self.deployment_hooks(py)? + && self.runs_deployment_hooks() { let error = self.error.as_ref().ok_or_else(missing_state)?; self.pending = Some(Pending::DeploymentFailure); - return Ok(AdapterStep::Await(DeploymentHooks::after_failure( + return Ok(LifecycleStep::Await(DeploymentHooks::after_failure( py, self.call.kwargs(), error, @@ -327,11 +419,30 @@ impl CallbackAdapter for LegacyLogging { } self.dispatch_failure(py) } - _ => Err(missing_state()), } } - fn resume(&mut self, py: Python<'_>, result: PyResult>) -> PyResult { + fn opened(&mut self, py: Python<'_>) -> PyResult<()> { + if self.surface.stream.is_none() { + return Err(missing_state()); + } + Streaming::Opened.call(py, (self.logger()?.object(py),))?; + self.stream = Some(DeliveredStream { + chunks: PyList::empty(py).unbind(), + first_chunk: None, + }); + Ok(()) + } + + fn delivered(&mut self, py: Python<'_>, chunk: &Py) -> PyResult<()> { + let stream = self.stream.as_mut().ok_or_else(missing_state)?; + if stream.first_chunk.is_none() { + stream.first_chunk = Some(datetime(py, epoch_seconds())?); + } + stream.chunks.bind(py).append(chunk) + } + + fn resume(&mut self, py: Python<'_>, result: PyResult>) -> PyResult { match self.pending.take().ok_or_else(missing_state)? { Pending::DeploymentPreCall => { self.call @@ -345,7 +456,7 @@ impl CallbackAdapter for LegacyLogging { Pending::DeploymentFailure => self.dispatch_failure(py), Pending::AsyncFailure => match result { Err(failure) if is_cancellation(py, &failure) => Err(failure), - _ => Ok(AdapterStep::Done), + _ => Ok(LifecycleStep::Done), }, } } @@ -357,7 +468,8 @@ impl CallbackAdapter for LegacyLogging { error.write_unraisable(py, None); } self.body = None; - self.headers = None; + self.context = None; + self.stream = None; } fn traverse(&self, visit: &PyVisit<'_>) -> Result<(), PyTraverseError> { @@ -369,8 +481,11 @@ impl CallbackAdapter for LegacyLogging { visit.call(&self.end)?; visit.call(&self.response)?; visit.call(&self.error)?; - visit.call(&self.body)?; - visit.call(&self.headers) + if let Some(stream) = &self.stream { + visit.call(&stream.chunks)?; + visit.call(&stream.first_chunk)?; + } + visit.call(&self.body) } } diff --git a/litellm-rust/crates/callbacks-legacy/src/call.rs b/litellm-rust/crates/callbacks-legacy/src/call.rs index 59090ee8d60..b37790f60a8 100644 --- a/litellm-rust/crates/callbacks-legacy/src/call.rs +++ b/litellm-rust/crates/callbacks-legacy/src/call.rs @@ -3,8 +3,8 @@ //! lifetime. No other callback host has that obligation, which is why nothing outside //! this crate holds them. -use litellm_callbacks::{machine::Machine, route::Route}; -use litellm_host_python::{RouteHost, run_call}; +use litellm_host::{machine::Machine, route::Route}; +use litellm_host_python::{RouteHost, lookup, run_call}; use pyo3::{ gc::{PyTraverseError, PyVisit}, prelude::*, @@ -63,21 +63,6 @@ impl PublicCall { } } -/// The caller's own object for a public argument, as every legacy reader resolves it: the -/// keyword if given, even an explicit `None`, else the bound request's attribute. A route -/// host projecting from the prepared keyword view uses the same rule, so the callbacks -/// and the provider see one object per argument. -pub fn lookup<'py>( - kwargs: &Bound<'py, PyDict>, - request: &Bound<'py, PyAny>, - name: &str, -) -> PyResult>> { - if let Some(value) = kwargs.get_item(name)? { - return Ok(Some(value)); - } - request.getattr_opt(name) -} - /// Runs one native call under the legacy `Logging` contract: the route host projects from /// the keyword view the contract prepares, and the contract observes the call. pub fn run_legacy_call( @@ -121,32 +106,6 @@ mod tests { (call, locals) } - #[test] - fn lookup_prefers_the_keyword_even_when_none_and_falls_back_to_the_request() { - Python::initialize(); - Python::attach(|py| { - let (call, locals) = capture( - py, - c" -key = object() -document = {'type': 'document_url'} -class Request: - api_key = 'from-request' - api_base = 'from-request' - document = document -request = Request() -kwargs = {'api_key': key, 'api_base': None} -", - ); - let key = locals.get_item("key").unwrap().unwrap(); - let document = locals.get_item("document").unwrap().unwrap(); - assert!(call.lookup(py, "api_key").unwrap().unwrap().is(&key)); - assert!(call.lookup(py, "api_base").unwrap().unwrap().is_none()); - assert!(call.lookup(py, "document").unwrap().unwrap().is(&document)); - assert!(call.lookup(py, "model").unwrap().is_none()); - }); - } - #[test] fn capture_copies_the_keyword_dict_without_copying_its_values() { Python::initialize(); diff --git a/litellm-rust/crates/callbacks-legacy/src/callbacks.rs b/litellm-rust/crates/callbacks-legacy/src/callbacks.rs index aa586013e75..5f04224e6d7 100644 --- a/litellm-rust/crates/callbacks-legacy/src/callbacks.rs +++ b/litellm-rust/crates/callbacks-legacy/src/callbacks.rs @@ -2,15 +2,14 @@ //! the deferred and worker-submitted success paths, and the sync-callbacks-for-async-calls //! duplication. All of it expires with the legacy callback contract. -use litellm_callbacks::event::{RequestContext, WireRequest}; +use litellm_host::event::{RequestContext, WireRequest}; use litellm_host_python::to_py; use pyo3::{exceptions::PyBaseException, prelude::*, types::PyDict}; +use crate::legacy_python::{Logging, Wrapper}; use crate::logger::PythonLogger; pub trait LegacyCallbacks { - fn callbacks_needed(&self, py: Python<'_>, phase: &str) -> PyResult; - /// `Logging.update_from_kwargs`: what the logger is told about the request it is /// about to see, with consumed credentials redacted. fn update_from_kwargs( @@ -21,24 +20,23 @@ pub trait LegacyCallbacks { context: &RequestContext, ) -> PyResult<()>; - fn record_api_call_start(&self, py: Python<'_>) -> PyResult<()>; - - /// `Logging.pre_call`, or its payload-free shortcut when no input callback listens. + /// `Logging.pre_call`. fn pre_call( &self, py: Python<'_>, input: &str, - api_key: Option<&Bound<'_, PyAny>>, + api_key: Option<&str>, body: &Bound<'_, PyDict>, headers: &Bound<'_, PyDict>, url: &str, ) -> PyResult<()>; - /// `Logging.post_call`, or its payload-free shortcut when no input callback listens. + /// `Logging.post_call`. fn post_call( &self, py: Python<'_>, original_response: &str, + api_key: Option<&str>, body: Option<&Py>, headers: Option<&Py>, ) -> PyResult<()>; @@ -82,16 +80,6 @@ pub trait LegacyCallbacks { } impl LegacyCallbacks for PythonLogger { - fn callbacks_needed(&self, py: Python<'_>, phase: &str) -> PyResult { - if !self.bridge_owned() { - return Ok(true); - } - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("callbacks_needed")? - .call1((self.object(py), phase))? - .extract() - } - fn update_from_kwargs( &self, py: Python<'_>, @@ -100,18 +88,13 @@ impl LegacyCallbacks for PythonLogger { context: &RequestContext, ) -> PyResult<()> { let secret_fields: Vec<&str> = context.secret_fields.iter().map(String::as_str).collect(); - let update = PyDict::new(py); - update.set_item("kwargs", redact(py, kwargs.bind(py), &secret_fields)?)?; - update.set_item("model", &context.model)?; - update.set_item( - "optional_params", - redact( - py, - &to_py(py, &context.optional_params)? - .into_bound(py) - .cast_into::()?, - &secret_fields, - )?, + let redacted_kwargs = redact(py, kwargs.bind(py), &secret_fields)?; + let optional_params = redact( + py, + &to_py(py, &context.optional_params)? + .into_bound(py) + .cast_into::()?, + &secret_fields, )?; let params = PyDict::new(py); params.set_item( @@ -131,15 +114,17 @@ impl LegacyCallbacks for PythonLogger { params.set_item(name, value)?; } } - update.set_item("litellm_params", params)?; - update.set_item("custom_llm_provider", &context.custom_llm_provider)?; - self.object(py) - .call_method("update_from_kwargs", (), Some(&update))?; - Ok(()) - } - - fn record_api_call_start(&self, py: Python<'_>) -> PyResult<()> { - self.object(py).call_method0("record_api_call_start_time")?; + Logging::Update.call( + py, + ( + self.object(py), + redacted_kwargs, + &context.model, + optional_params, + params, + &context.custom_llm_provider, + ), + )?; Ok(()) } @@ -147,7 +132,7 @@ impl LegacyCallbacks for PythonLogger { &self, py: Python<'_>, input: &str, - api_key: Option<&Bound<'_, PyAny>>, + api_key: Option<&str>, body: &Bound<'_, PyDict>, headers: &Bound<'_, PyDict>, url: &str, @@ -156,17 +141,7 @@ impl LegacyCallbacks for PythonLogger { additional.set_item("complete_input_dict", body)?; additional.set_item("headers", headers)?; additional.set_item("api_base", url)?; - let kwargs = PyDict::new(py); - kwargs.set_item("input", input)?; - kwargs.set_item("api_key", api_key)?; - kwargs.set_item("additional_args", &additional)?; - if self.callbacks_needed(py, "input")? { - self.object(py).call_method("pre_call", (), Some(&kwargs))?; - } else { - self.object(py) - .call_method("_pre_call", (), Some(&kwargs))?; - self.record_api_call_start(py)?; - } + Logging::PreCall.call(py, (self.object(py), input, api_key, &additional))?; Ok(()) } @@ -174,37 +149,30 @@ impl LegacyCallbacks for PythonLogger { &self, py: Python<'_>, original_response: &str, + api_key: Option<&str>, body: Option<&Py>, headers: Option<&Py>, ) -> PyResult<()> { let additional = PyDict::new(py); additional.set_item("complete_input_dict", body)?; additional.set_item("headers", headers)?; - if self.callbacks_needed(py, "input")? { - let kwargs = PyDict::new(py); - kwargs.set_item("original_response", original_response)?; - kwargs.set_item("additional_args", &additional)?; - self.object(py) - .call_method("post_call", (), Some(&kwargs))?; - } else { - let response = py - .import("json")? - .call_method1("dumps", (original_response,))?; - self.object(py).call_method1( - "record_post_call", - (response, py.None(), py.None(), additional), - )?; - } + Logging::PostCall.call( + py, + (self.object(py), original_response, api_key, &additional), + )?; Ok(()) } + fn defers_async_logging(&self, py: Python<'_>) -> bool { - self.object(py) - .getattr("_defer_async_logging") - .is_ok_and(|value| value.is_truthy().unwrap_or(false)) + Logging::DefersAsync + .call(py, (self.object(py),)) + .and_then(|value| value.extract()) + .unwrap_or(false) } fn defer_success(&self, py: Python<'_>, pending: &Bound<'_, PyAny>) -> PyResult<()> { - self.object(py).setattr("_native_pending_logging", pending) + Logging::DeferSuccess.call(py, (self.object(py), pending))?; + Ok(()) } fn sync_success_for_async_call( @@ -214,13 +182,7 @@ impl LegacyCallbacks for PythonLogger { start: &Py, end: &Option>, ) -> PyResult<()> { - if !self.callbacks_needed(py, "sync_success_async")? { - return Ok(()); - } - self.object(py).call_method1( - "handle_sync_success_callbacks_for_async_calls", - (response, start, end), - )?; + Logging::SyncSuccessForAsyncCall.call(py, (self.object(py), response, start, end))?; Ok(()) } @@ -232,34 +194,11 @@ impl LegacyCallbacks for PythonLogger { end: &Option>, asynchronous: bool, ) -> PyResult>> { - if !self.callbacks_needed( - py, - if asynchronous { - "async_failure" - } else { - "sync_failure" - }, - )? { - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("failure_bookkeeping")? - .call1((self.object(py), error, start, end, asynchronous))?; - return Ok(None); - } - let trace = py - .import("traceback")? - .getattr("format_exception")? - .call1((error,))?; - let trace = pyo3::types::PyString::new(py, "").call_method1("join", (trace,))?; - let value = self.object(py).call_method1( - if asynchronous { - "async_failure_handler" - } else { - "failure_handler" - }, - (error, trace, start, end), - )?; + let value = + Logging::FailureHandler.call(py, (self.object(py), error, start, end, asynchronous))?; Ok(asynchronous.then(|| value.unbind())) } + fn submit_success( &self, py: Python<'_>, @@ -267,22 +206,7 @@ impl LegacyCallbacks for PythonLogger { start: &Py, end: &Option>, ) -> PyResult<()> { - if !self.callbacks_needed(py, "sync_success")? { - return self.success_bookkeeping(py, response, start, end, false); - } - let context = py.import("contextvars")?.call_method0("copy_context")?; - py.import("litellm.litellm_core_utils.litellm_logging")? - .getattr("executor")? - .call_method1( - "submit", - ( - context.getattr("run")?, - self.object(py).getattr("success_handler")?, - response, - start, - end, - ), - )?; + Logging::SubmitSuccess.call(py, (self.object(py), response, start, end))?; Ok(()) } @@ -293,18 +217,9 @@ impl LegacyCallbacks for PythonLogger { start: &Py, end: &Option>, ) -> PyResult<()> { - if !self.callbacks_needed(py, "async_success")? { - return self.success_bookkeeping(py, response, start, end, true); - } - let context = py.import("contextvars")?.call_method0("copy_context")?; - let worker = py - .import("litellm.litellm_core_utils.logging_worker")? - .getattr("GLOBAL_LOGGING_WORKER")? - .getattr("ensure_initialized_and_enqueue")?; - let coroutine = self - .object(py) - .call_method1("async_success_handler", (response, start, end))?; - let enqueue = context.call_method1("run", (worker, &coroutine)); + let coroutine = + Logging::AsyncSuccessHandler.call(py, (self.object(py), response, start, end))?; + let enqueue = Logging::Enqueue.call(py, (&coroutine,)); if enqueue.is_err() && let Err(error) = coroutine.call_method0("close") { @@ -315,14 +230,7 @@ impl LegacyCallbacks for PythonLogger { } fn custom_pricing_fields(py: Python<'_>) -> PyResult> { - py.import("litellm.types.utils")? - .getattr("CustomPricingLiteLLMParams")? - .getattr("model_fields")? - .cast_into::()? - .keys() - .iter() - .map(|name| name.extract::()) - .collect() + Logging::CustomPricingFields.call(py, ())?.extract() } fn redact( @@ -347,58 +255,5 @@ fn redact( /// Proxy-internal calls skip the legacy success fan-out. pub fn is_internal_call(py: Python<'_>) -> PyResult { - py.import("litellm._internal_context")? - .getattr("is_internal_call")? - .call_method0("get")? - .extract() -} - -#[cfg(test)] -mod tests { - use pyo3::types::PyDict; - - use super::*; - - fn logger_whose_registries_need_no_input(py: Python<'_>, bridge_owned: bool) -> PythonLogger { - let locals = PyDict::new(py); - py.run( - c" -import sys -import types -for name in ('litellm', 'litellm.rust_bridge', 'litellm.rust_bridge.legacy_callbacks'): - sys.modules.setdefault(name, types.ModuleType(name)) -legacy = sys.modules['litellm.rust_bridge.legacy_callbacks'] -legacy.callbacks_needed = lambda logger, phase: logger.needed.get(phase, True) -class Logger: - needed = {'input': False} -logger = Logger() -", - Some(&locals), - Some(&locals), - ) - .unwrap(); - PythonLogger::new( - locals.get_item("logger").unwrap().unwrap().unbind(), - bridge_owned, - ) - } - - #[test] - fn a_caller_owned_logger_is_observed_in_full() { - Python::initialize(); - Python::attach(|py| { - let logger = logger_whose_registries_need_no_input(py, false); - assert!(logger.callbacks_needed(py, "input").unwrap()); - }); - } - - #[test] - fn a_bridge_owned_logger_is_elided_where_no_registry_needs_it() { - Python::initialize(); - Python::attach(|py| { - let logger = logger_whose_registries_need_no_input(py, true); - assert!(!logger.callbacks_needed(py, "input").unwrap()); - assert!(logger.callbacks_needed(py, "payload").unwrap()); - }); - } + Wrapper::IsInternalCall.call(py, ())?.extract() } diff --git a/litellm-rust/crates/callbacks-legacy/src/legacy_python.rs b/litellm-rust/crates/callbacks-legacy/src/legacy_python.rs new file mode 100644 index 00000000000..7f5c77c1735 --- /dev/null +++ b/litellm-rust/crates/callbacks-legacy/src/legacy_python.rs @@ -0,0 +1,183 @@ +use pyo3::prelude::*; +use strum::{IntoStaticStr, VariantArray}; + +const MODULE: &str = "litellm.rust_bridge.legacy_callbacks"; + +/// Every litellm Python internal the native call still borrows, grouped by the subsystem it +/// belongs to. Rust drives the call; these exist only so behaviour that Python owns today +/// (span tracking, the standard logging payload, spend, callback fan-out) keeps working. +/// A group is deleted once Rust owns that subsystem, so this enum only shrinks. Calling a +/// user's own callback is not borrowing and does not belong here. +/// +/// `litellm/rust_bridge/legacy_callbacks.py` is the only Python module behind it, and +/// `python_contract.json` pins each function's parameters on both sides. +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub(crate) enum LegacyPython { + Wrapper(Wrapper), + Logging(Logging), + DeploymentHooks(DeploymentHooks), + Streaming(Streaming), +} + +/// The `@client` wrapper around the call: `function_setup`, limits, credentials, +/// response metadata and the correlation context. +#[derive(Clone, Copy, Debug, IntoStaticStr, PartialEq, Eq, VariantArray)] +pub(crate) enum Wrapper { + #[strum(serialize = "setup")] + Setup, + #[strum(serialize = "check_limits")] + CheckLimits, + #[strum(serialize = "credential_list")] + CredentialList, + #[strum(serialize = "warn_unknown_credential")] + WarnUnknownCredential, + #[strum(serialize = "is_internal_call")] + IsInternalCall, + #[strum(serialize = "finalize")] + Finalize, + #[strum(serialize = "restore_context")] + RestoreContext, +} + +/// litellm's `Logging` object and the sync and async callback fan-out behind it. +#[derive(Clone, Copy, Debug, IntoStaticStr, PartialEq, Eq, VariantArray)] +pub(crate) enum Logging { + #[strum(serialize = "custom_pricing_fields")] + CustomPricingFields, + #[strum(serialize = "update_logging")] + Update, + #[strum(serialize = "pre_call")] + PreCall, + #[strum(serialize = "post_call")] + PostCall, + #[strum(serialize = "defers_async_logging")] + DefersAsync, + #[strum(serialize = "defer_success")] + DeferSuccess, + #[strum(serialize = "sync_success_for_async_call")] + SyncSuccessForAsyncCall, + #[strum(serialize = "submit_success")] + SubmitSuccess, + #[strum(serialize = "async_success_handler")] + AsyncSuccessHandler, + #[strum(serialize = "enqueue_logging")] + Enqueue, + #[strum(serialize = "failure_handler")] + FailureHandler, +} + +/// The `litellm.utils` fan-outs that run every callback's deployment hook. +#[derive(Clone, Copy, Debug, IntoStaticStr, PartialEq, Eq, VariantArray)] +pub(crate) enum DeploymentHooks { + #[strum(serialize = "before_deployment_call")] + BeforeDeploymentCall, + #[strum(serialize = "after_deployment_success")] + AfterDeploymentSuccess, + #[strum(serialize = "after_deployment_failure")] + AfterDeploymentFailure, +} + +/// The Messages stream iterator's logging: the stream flag, the end-of-stream billing +/// from the delivered chunks, and the partial-usage failure path. +#[derive(Clone, Copy, Debug, IntoStaticStr, PartialEq, Eq, VariantArray)] +pub(crate) enum Streaming { + #[strum(serialize = "stream_opened")] + Opened, + #[strum(serialize = "stream_success")] + Success, + #[strum(serialize = "stream_failure")] + Failure, +} + +impl LegacyPython { + fn name(self) -> &'static str { + match self { + Self::Wrapper(function) => function.into(), + Self::Logging(function) => function.into(), + Self::DeploymentHooks(function) => function.into(), + Self::Streaming(function) => function.into(), + } + } + + pub(crate) fn call<'py, A>(self, py: Python<'py>, args: A) -> PyResult> + where + A: pyo3::call::PyCallArgs<'py>, + { + py.import(MODULE)?.getattr(self.name())?.call1(args) + } +} + +impl Wrapper { + pub(crate) fn call<'py, A>(self, py: Python<'py>, args: A) -> PyResult> + where + A: pyo3::call::PyCallArgs<'py>, + { + LegacyPython::Wrapper(self).call(py, args) + } +} + +impl Logging { + pub(crate) fn call<'py, A>(self, py: Python<'py>, args: A) -> PyResult> + where + A: pyo3::call::PyCallArgs<'py>, + { + LegacyPython::Logging(self).call(py, args) + } +} + +impl Streaming { + pub(crate) fn call<'py, A>(self, py: Python<'py>, args: A) -> PyResult> + where + A: pyo3::call::PyCallArgs<'py>, + { + LegacyPython::Streaming(self).call(py, args) + } +} + +impl DeploymentHooks { + pub(crate) fn call<'py, A>(self, py: Python<'py>, args: A) -> PyResult> + where + A: pyo3::call::PyCallArgs<'py>, + { + LegacyPython::DeploymentHooks(self).call(py, args) + } +} + +#[cfg(test)] +mod tests { + use std::collections::BTreeSet; + + use strum::VariantArray; + + use super::{DeploymentHooks, LegacyPython, Logging, Streaming, Wrapper}; + use crate::test_support::PYTHON_CONTRACT; + + #[test] + fn every_borrowed_function_is_in_the_python_contract() { + let contract: serde_json::Map = + serde_json::from_str(PYTHON_CONTRACT).unwrap(); + let declared: BTreeSet<&str> = contract.keys().map(String::as_str).collect(); + let called: Vec<&str> = Wrapper::VARIANTS + .iter() + .map(|&function| LegacyPython::Wrapper(function)) + .chain( + Logging::VARIANTS + .iter() + .map(|&function| LegacyPython::Logging(function)), + ) + .chain( + DeploymentHooks::VARIANTS + .iter() + .map(|&function| LegacyPython::DeploymentHooks(function)), + ) + .chain( + Streaming::VARIANTS + .iter() + .map(|&function| LegacyPython::Streaming(function)), + ) + .map(LegacyPython::name) + .collect(); + assert_eq!(called.len(), declared.len(), "a function is borrowed twice"); + assert_eq!(called.into_iter().collect::>(), declared); + } +} diff --git a/litellm-rust/crates/callbacks-legacy/src/lib.rs b/litellm-rust/crates/callbacks-legacy/src/lib.rs index 06783ac255d..eaa1a8b714e 100644 --- a/litellm-rust/crates/callbacks-legacy/src/lib.rs +++ b/litellm-rust/crates/callbacks-legacy/src/lib.rs @@ -2,7 +2,7 @@ //! sync and async callback registries it fans out to, the deployment hooks, the deferred //! proxy release, and the kwargs rewrites the wrapper makes on the way in (credential-name //! inheritance, budget and retry-count limits). All of it sits behind one -//! [`CallbackAdapter`](litellm_host_python::CallbackAdapter), so the driver, the routes and +//! [`PythonLifecycle`](litellm_host_python::PythonLifecycle), so the driver, the routes and //! core never learn which Python object is on the other end. //! //! Legacy callbacks receive the caller's own objects and may mutate them. [`PublicCall`] @@ -13,6 +13,7 @@ mod adapter; mod call; mod callbacks; mod deferred; +mod legacy_python; mod logger; mod preparation; #[cfg(test)] @@ -20,8 +21,8 @@ mod preparation; mod test_support; pub(crate) use adapter::LegacyLogging; -pub use adapter::LegacySurface; -pub use call::{PublicCall, lookup, run_legacy_call}; +pub use adapter::{LegacySurface, PassThroughStream}; +pub use call::{PublicCall, run_legacy_call}; pub(crate) use callbacks::{LegacyCallbacks, is_internal_call}; pub(crate) use logger::{DeploymentHooks, PythonLogger, finalize, setup}; pub(crate) use preparation::prepare; diff --git a/litellm-rust/crates/callbacks-legacy/src/logger.rs b/litellm-rust/crates/callbacks-legacy/src/logger.rs index a0e525000b8..061941f05b9 100644 --- a/litellm-rust/crates/callbacks-legacy/src/logger.rs +++ b/litellm-rust/crates/callbacks-legacy/src/logger.rs @@ -5,34 +5,25 @@ use pyo3::{ types::{PyDict, PyTuple}, }; -/// The `Logging` instance one call fans out through, and who owns it. A logger the caller -/// handed in is observed in full, because the caller reads it after the call; one this -/// crate built through `function_setup` is elided wherever no registry needs it. +use crate::legacy_python::{self, Wrapper}; + +/// The `Logging` instance one call fans out through. pub struct PythonLogger { object: Py, - bridge_owned: bool, } impl PythonLogger { - pub(crate) fn new(object: Py, bridge_owned: bool) -> Self { - Self { - object, - bridge_owned, - } + pub(crate) fn new(object: Py) -> Self { + Self { object } } pub(crate) fn object<'py>(&self, py: Python<'py>) -> &Bound<'py, PyAny> { self.object.bind(py) } - pub(crate) fn bridge_owned(&self) -> bool { - self.bridge_owned - } - pub fn clone_ref(&self, py: Python<'_>) -> Self { Self { object: self.object.clone_ref(py), - bridge_owned: self.bridge_owned, } } @@ -40,34 +31,17 @@ impl PythonLogger { visit.call(&self.object) } - pub fn success_bookkeeping( - &self, - py: Python<'_>, - response: &Option>, - start: &Py, - end: &Option>, - asynchronous: bool, - ) -> PyResult<()> { - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("success_bookkeeping")? - .call1((self.object(py), response, start, end, asynchronous))?; - Ok(()) - } - pub fn restore_context(&self, py: Python<'_>) -> PyResult<()> { - py.import("litellm.utils")? - .getattr("_restore_correlation_context_if_supported")? - .call1((self.object(py),))?; + Wrapper::RestoreContext.call(py, (self.object(py),))?; Ok(()) } } -/// A bare Python object was not obtained from `setup`, so it is caller-owned. impl FromPyObject<'_, '_> for PythonLogger { type Error = PyErr; fn extract(object: Borrowed<'_, '_, PyAny>) -> PyResult { - Ok(Self::new(object.to_owned().unbind(), false)) + Ok(Self::new(object.to_owned().unbind())) } } @@ -75,9 +49,7 @@ pub struct SetupResult<'py>(Bound<'py, PyAny>); impl SetupResult<'_> { pub fn logger(&self) -> PyResult { - let object = self.0.getattr("logger")?.unbind(); - let bridge_owned = self.0.getattr("bridge_owned")?.extract()?; - Ok(PythonLogger::new(object, bridge_owned)) + Ok(PythonLogger::new(self.0.getattr("logger")?.unbind())) } pub fn kwargs(&self) -> PyResult> { @@ -93,9 +65,8 @@ pub fn setup<'py>( start: &Py, asynchronous: bool, ) -> PyResult> { - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("setup")? - .call1((call_type, args, kwargs, start, asynchronous)) + Wrapper::Setup + .call(py, (call_type, args, kwargs, start, asynchronous)) .map(SetupResult) } @@ -107,30 +78,20 @@ pub fn finalize( start: &Py, end: &Option>, ) -> PyResult<()> { - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("finalize")? - .call1((response, logger.object(py), kwargs, start, end))?; + Wrapper::Finalize.call(py, (response, logger.object(py), kwargs, start, end))?; Ok(()) } pub struct DeploymentHooks; impl DeploymentHooks { - pub fn needed(py: Python<'_>) -> PyResult { - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("deployment_callbacks_needed")? - .call0()? - .extract() - } - pub fn before_call( py: Python<'_>, kwargs: &Py, call_type: &str, ) -> PyResult> { - py.import("litellm.utils")? - .getattr("async_pre_call_deployment_hook")? - .call1((kwargs, call_type)) + legacy_python::DeploymentHooks::BeforeDeploymentCall + .call(py, (kwargs, call_type)) .map(Bound::unbind) } @@ -140,9 +101,8 @@ impl DeploymentHooks { response: &Option>, call_type: &str, ) -> PyResult> { - py.import("litellm.utils")? - .getattr("async_post_call_success_deployment_hook")? - .call1((kwargs, response, call_type)) + legacy_python::DeploymentHooks::AfterDeploymentSuccess + .call(py, (kwargs, response, call_type)) .map(Bound::unbind) } @@ -152,9 +112,8 @@ impl DeploymentHooks { error: &Py, call_type: &str, ) -> PyResult> { - py.import("litellm.utils")? - .getattr("async_post_call_failure_deployment_hook")? - .call1((kwargs, error, call_type)) + legacy_python::DeploymentHooks::AfterDeploymentFailure + .call(py, (kwargs, error, call_type)) .map(Bound::unbind) } } @@ -185,10 +144,6 @@ class Setup: reads.append('logger') return logger @property - def bridge_owned(self): - reads.append('bridge_owned') - return True - @property def kwargs(self): reads.append('kwargs') return [] @@ -206,7 +161,6 @@ result = Setup() .object(py) .is(locals.get_item("logger").unwrap().unwrap()) ); - assert!(logger.bridge_owned()); assert!( result .kwargs() @@ -220,17 +174,8 @@ result = Setup() .unwrap() .extract::>() .unwrap(), - ["logger", "bridge_owned", "kwargs"] + ["logger", "kwargs"] ); }); } - - #[test] - fn a_logger_extracted_from_a_bare_object_is_caller_owned() { - Python::initialize(); - Python::attach(|py| { - let logger: PythonLogger = py.None().into_bound(py).extract().unwrap(); - assert!(!logger.bridge_owned()); - }); - } } diff --git a/litellm-rust/crates/callbacks-legacy/src/preparation.rs b/litellm-rust/crates/callbacks-legacy/src/preparation.rs index 981b1702f2e..fa1ff9acd4d 100644 --- a/litellm-rust/crates/callbacks-legacy/src/preparation.rs +++ b/litellm-rust/crates/callbacks-legacy/src/preparation.rs @@ -3,6 +3,8 @@ use pyo3::{ types::{PyDict, PyList}, }; +use crate::legacy_python::Wrapper; + struct CredentialEntry<'py>(Bound<'py, PyAny>); impl<'py> CredentialEntry<'py> { @@ -22,18 +24,19 @@ pub fn prepare<'py>( ) -> PyResult> { let arguments = kwargs.copy()?; arguments.set_item("litellm_logging_obj", logger.object(py))?; - let litellm = py.import("litellm")?; - inherit_credentials(py, &litellm, &arguments)?; - py.import("litellm.rust_bridge.legacy_callbacks")? - .getattr("check_limits")? - .call1((&arguments,))?; + inherit_credentials(py, &arguments, || { + Ok(Wrapper::CredentialList + .call(py, ())? + .cast_into::()?) + })?; + Wrapper::CheckLimits.call(py, (&arguments,))?; Ok(arguments) } -fn inherit_credentials( - py: Python<'_>, - litellm: &Bound<'_, PyModule>, - arguments: &Bound<'_, PyDict>, +fn inherit_credentials<'py>( + py: Python<'py>, + arguments: &Bound<'py, PyDict>, + credential_list: impl FnOnce() -> PyResult>, ) -> PyResult<()> { let Some(requested) = arguments .get_item("litellm_credential_name")? @@ -45,16 +48,13 @@ fn inherit_credentials( return Ok(()); } let requested: String = requested.extract()?; - let credentials = litellm.getattr("credential_list")?.cast_into::()?; + let credentials = credential_list()?; let names = credentials .iter() .map(|credential| CredentialEntry(credential).name()) .collect::>>()?; let Some(index) = names.iter().position(|name| *name == requested) else { - py.import("litellm._logging")?.getattr("verbose_logger")?.call_method1( - "warning", - ("litellm_credential_name=%s matched none of the %d loaded credentials; the request runs without it", requested, names.len()), - )?; + Wrapper::WarnUnknownCredential.call(py, (requested, names.len()))?; return Ok(()); }; let selected = CredentialEntry(credentials.get_item(index)?); @@ -80,19 +80,19 @@ mod tests { } fn inherit(py: Python<'_>, locals: &Bound<'_, PyDict>) -> PyResult<()> { - let litellm = PyModule::new(py, "credential_host")?; - litellm.setattr( - "credential_list", - locals.get_item("credentials").unwrap().unwrap(), - )?; inherit_credentials( py, - &litellm, &locals .get_item("arguments") .unwrap() .unwrap() .cast_into::()?, + || { + Ok(locals + .get_item("credentials")? + .unwrap() + .cast_into::()?) + }, ) } @@ -304,11 +304,11 @@ arguments = {'litellm_credential_name': 'ocr-test'} fn falsy_credential_names_return_before_loading_credentials() { Python::initialize(); Python::attach(|py| { - let litellm = PyModule::new(py, "credential_host").unwrap(); for name in [py.None(), py.eval(c"''", None, None).unwrap().unbind()] { let arguments = PyDict::new(py); arguments.set_item("litellm_credential_name", name).unwrap(); - inherit_credentials(py, &litellm, &arguments).unwrap(); + inherit_credentials(py, &arguments, || panic!("credentials must not be loaded")) + .unwrap(); } }); } diff --git a/litellm-rust/crates/callbacks-legacy/tests/deferred.rs b/litellm-rust/crates/callbacks-legacy/tests/deferred.rs index 3daea8840d8..289ea1b2e7f 100644 --- a/litellm-rust/crates/callbacks-legacy/tests/deferred.rs +++ b/litellm-rust/crates/callbacks-legacy/tests/deferred.rs @@ -16,7 +16,7 @@ fn defer<'py>(py: Python<'py>, script: &CStr) -> Bound<'py, PyDict> { py, PendingLogging { pending: Some(PendingSuccess { - logger: PythonLogger::new(local(&locals, "logger").unbind(), true), + logger: PythonLogger::new(local(&locals, "logger").unbind()), response: Some(local(&locals, "response").unbind()), start: py.None(), end: Some(py.None()), @@ -79,22 +79,6 @@ assert logger.calls == [], logger.calls }); } -#[test] -fn a_release_after_the_async_callbacks_went_away_only_keeps_the_books() { - Python::initialize(); - Python::attach(|py| { - let locals = defer(py, c"logger.needed = {'async_success': False}"); - run( - py, - &locals, - c" -pending.release(True) -assert logger.calls == [('success_bookkeeping', True)], logger.calls -", - ); - }); -} - #[rstest] #[case::ordinary_error(c"RuntimeError('queue full')", false)] #[case::cancellation(c"asyncio.CancelledError()", true)] diff --git a/litellm-rust/crates/callbacks-legacy/tests/deployment_hooks.rs b/litellm-rust/crates/callbacks-legacy/tests/deployment_hooks.rs index 3ceda4441a7..52c5e47f83f 100644 --- a/litellm-rust/crates/callbacks-legacy/tests/deployment_hooks.rs +++ b/litellm-rust/crates/callbacks-legacy/tests/deployment_hooks.rs @@ -1,7 +1,7 @@ use std::ffi::CStr; -use litellm_callbacks::event::{CallEvent, FailureOrigin, Timing}; -use litellm_host_python::{AdapterStep, CallbackAdapter, PublicValue}; +use litellm_host::event::{FailureOrigin, Timing}; +use litellm_host_python::{LifecycleEvent, LifecycleStep, PythonLifecycle}; use pyo3::exceptions::asyncio::CancelledError; use pyo3::prelude::*; use pyo3::types::PyDict; @@ -24,7 +24,7 @@ fn begin<'py>( py: Python<'py>, locals: &Bound<'py, PyDict>, asynchronous: bool, -) -> (LegacyLogging, AdapterStep) { +) -> (LegacyLogging, LifecycleStep) { let mut logging = legacy_call(py, locals, asynchronous); let kwargs = local(locals, "kwargs") .cast_into::() @@ -34,15 +34,15 @@ fn begin<'py>( (logging, step) } -fn arguments<'py>(py: Python<'py>, step: AdapterStep) -> Bound<'py, PyDict> { - let AdapterStep::Arguments(arguments) = step else { +fn arguments<'py>(py: Python<'py>, step: LifecycleStep) -> Bound<'py, PyDict> { + let LifecycleStep::Arguments(arguments) = step else { panic!("expected the prepared arguments"); }; arguments.into_bound(py) } -fn awaits_deployment_hook(step: &AdapterStep) -> bool { - matches!(step, AdapterStep::Await(_)) +fn awaits_deployment_hook(step: &LifecycleStep) -> bool { + matches!(step, LifecycleStep::Await(_)) } #[rstest] @@ -97,6 +97,43 @@ assert checked is prepared }); } +#[rstest] +#[case::synchronous(false)] +#[case::asynchronous(true)] +fn a_keyword_the_bridge_never_reads_reaches_every_reader_as_the_callers_object( + #[case] asynchronous: bool, +) { + Python::initialize(); + Python::attach(|py| { + let locals = namespace( + py, + c" +opaque = object() +hooked = [] +logger.hooks = {'pre': lambda kwargs: hooked.append(kwargs['vendor_extension']) or kwargs} +kwargs = {'logger': logger, 'vendor_extension': opaque} +", + ); + let (mut logging, step) = begin(py, &locals, asynchronous); + let step = match step { + LifecycleStep::Await(hook_result) => logging.resume(py, Ok(hook_result)).unwrap(), + step => step, + }; + locals.set_item("prepared", arguments(py, step)).unwrap(); + locals.set_item("asynchronous", asynchronous).unwrap(); + run( + py, + &locals, + c" +assert prepared['vendor_extension'] is opaque +[checked] = [value for name, value in logger.calls if name == 'check_limits'] +assert checked['vendor_extension'] is opaque +assert hooked == ([opaque] if asynchronous else []), hooked +", + ); + }); +} + #[test] fn response_returned_by_the_post_call_hook_is_finalized_and_returned() { Python::initialize(); @@ -121,7 +158,7 @@ logger.hooks = {'pre': lambda kwargs: kwargs} let step = logging .resume(py, Ok(local(&locals, "replacement").unbind())) .unwrap(); - let AdapterStep::Response(returned) = step else { + let LifecycleStep::Response(returned) = step else { panic!("expected the finalized response"); }; assert!(returned.bind(py).is(local(&locals, "replacement"))); @@ -180,13 +217,12 @@ fn failure_callbacks_run_after_the_failure_hook_however_it_ends(#[case] cancelle .resume(py, Ok(local(&locals, "kwargs").unbind())) .unwrap(); let failure = PyErr::from_value(local(&locals, "failure")); - let failed = CallEvent::Failed { + let failed = LifecycleEvent::Failed { timing: TIMING, origin: FailureOrigin::Call, + error: &failure, }; - let step = logging - .emit(py, &failed, Some(PublicValue::Error(&failure))) - .unwrap(); + let step = logging.emit(py, failed).unwrap(); assert!(awaits_deployment_hook(&step)); let hook_result = if cancelled { Err(CancelledError::new_err("cancelled")) @@ -195,7 +231,7 @@ fn failure_callbacks_run_after_the_failure_hook_however_it_ends(#[case] cancelle }; assert!(matches!( logging.resume(py, hook_result).unwrap(), - AdapterStep::Await(_) + LifecycleStep::Await(_) )); run( py, @@ -237,7 +273,7 @@ kwargs = {'logger': logger} .unwrap() .unbind(); let result = logging.begin(py, kwargs, 0.0).and_then(|step| match step { - AdapterStep::Await(_) => logging.resume(py, Ok(local(&locals, "kwargs").unbind())), + LifecycleStep::Await(_) => logging.resume(py, Ok(local(&locals, "kwargs").unbind())), step => Ok(step), }); let error = result.err().unwrap(); diff --git a/litellm-rust/crates/callbacks-legacy/tests/payload.rs b/litellm-rust/crates/callbacks-legacy/tests/payload.rs index 480bedf8548..5459b36af27 100644 --- a/litellm-rust/crates/callbacks-legacy/tests/payload.rs +++ b/litellm-rust/crates/callbacks-legacy/tests/payload.rs @@ -1,10 +1,12 @@ use std::ffi::CStr; -use litellm_callbacks::event::{CallEvent, Passthrough, RawResponse, RequestContext, WireRequest}; -use litellm_host_python::{AdapterStep, CallbackAdapter}; +use litellm_auth::SecretValue; +use litellm_host::event::{MachineEvent, RawResponse, RequestContext, WireRequest}; +use litellm_host_python::{LifecycleEvent, LifecycleStep, PythonLifecycle, to_py}; +use proptest::prelude::*; use pyo3::prelude::*; use rstest::rstest; -use serde_json::{Value, json}; +use serde_json::{Map, Value, json}; use super::LegacyLogging; use crate::PythonLogger; @@ -23,20 +25,12 @@ class PayloadLogger(StubLogger): def pre_call(self, input, api_key, additional_args): self.record('pre_call', None) self.pre = additional_args + self.pre_api_key = api_key on_pre_call(additional_args) - def _pre_call(self, input, api_key, additional_args): - self.record('_pre_call', None) - - def record_api_call_start_time(self): - self.record('record_api_call_start_time', None) - - def post_call(self, original_response, additional_args): + def post_call(self, original_response, api_key, additional_args): self.record('post_call', None) - self.post = (original_response, additional_args) - - def record_post_call(self, response, *rest): - self.record('record_post_call', response) + self.post = (original_response, api_key, additional_args) request = Request() kwargs = {} @@ -52,33 +46,47 @@ fn document(source: &str) -> Value { json!({"type": "document_url", "document_url": source}) } -fn before_send(script: &CStr, caller: Value, body: Value) -> WireRequest { - before_send_with_secrets(script, caller, body, &[]) +fn before_send(script: &CStr, body: Value) -> WireRequest { + before_send_with_secrets(script, json!({}), body, &[]) } -/// Runs `before_send` over `body` for a caller whose route-side view is `caller`, with the -/// Python objects `script` binds, then delivers the provider's raw response the way the +/// Runs `before_send` over `body` for a route whose parameters are `optional_params`, with +/// the Python objects `script` binds, then delivers the provider's raw response the way the /// driver does and runs the script's `check()`. fn before_send_with_secrets( script: &CStr, - caller: Value, + optional_params: Value, + body: Value, + secret_fields: &[&str], +) -> WireRequest { + before_send_bound(&[], script, optional_params, body, secret_fields) +} + +/// [`before_send_with_secrets`] with `bindings` placed in the namespace before `script` runs. +fn before_send_bound( + bindings: &[(&str, &Value)], + script: &CStr, + optional_params: Value, body: Value, secret_fields: &[&str], ) -> WireRequest { Python::initialize(); Python::attach(|py| { let locals = namespace(py, PAYLOAD_LOGGER); + for &(name, value) in bindings { + locals.set_item(name, to_py(py, value).unwrap()).unwrap(); + } run(py, &locals, script); let mut logging = LegacyLogging { - logger: Some(PythonLogger::new(local(&locals, "logger").unbind(), true)), + logger: Some(PythonLogger::new(local(&locals, "logger").unbind())), ..legacy_call(py, &locals, false) }; let context = RequestContext { model: "model".into(), custom_llm_provider: "provider".into(), - optional_params: caller.clone(), - passthrough_fields: Passthrough::unchanged(caller.as_object().unwrap(), &body), + optional_params, secret_fields: secret_fields.iter().map(|name| name.to_string()).collect(), + api_key: Some(SecretValue::new("route-key")), }; let wire = WireRequest { url: "https://provider.invalid/ocr".into(), @@ -86,17 +94,17 @@ fn before_send_with_secrets( body, }; let step = logging.before_send(py, Box::new(wire), &context).unwrap(); - let raw = CallEvent::ResponseReceived { + let raw = MachineEvent::ResponseReceived { raw: RawResponse { body: "raw response".into(), }, }; assert!(matches!( - logging.emit(py, &raw, None).unwrap(), - AdapterStep::Done + logging.emit(py, LifecycleEvent::Machine(&raw)).unwrap(), + LifecycleStep::Done )); run(py, &locals, c"check()"); - let AdapterStep::Wire(wire) = step else { + let LifecycleStep::Wire(wire) = step else { panic!("before_send did not hand back the wire request"); }; *wire @@ -129,11 +137,7 @@ def check(): ")] fn passthrough_keys_reach_pre_call_as_the_callers_own_objects(#[case] script: &CStr) { let body = json!({"model": "model", "document": document(DOCUMENT), "pages": [0]}); - let wire = before_send( - script, - json!({"document": document(DOCUMENT), "pages": [0]}), - body.clone(), - ); + let wire = before_send(script, body.clone()); assert_eq!(wire.body, body); } @@ -149,7 +153,6 @@ def check(): assert document['document_url'] == 'data:application/pdf;base64,ZWRpdGVk' ", json!({"document": document(DOCUMENT)}), - json!({"document": document(DOCUMENT)}), ); assert_eq!(wire.body["document"], document(EDITED)); } @@ -168,7 +171,6 @@ def check(): assert observed == [False], observed assert document == {'type': 'document_url', 'document_url': 'https://example.invalid/scan.pdf'} ", - json!({"document": document("https://example.invalid/scan.pdf")}), json!({"document": document(DOCUMENT)}), ); assert_eq!( @@ -177,6 +179,23 @@ def check(): ); } +#[test] +fn a_caller_value_with_no_json_form_is_left_out_of_realiasing() { + let body = json!({"pages": [0]}); + let wire = before_send( + c" +opaque = object() +kwargs = {'pages': opaque} +observed = [] +on_pre_call = lambda args: observed.append(args['complete_input_dict']['pages']) +def check(): + assert observed == [[0]], observed +", + body.clone(), + ); + assert_eq!(wire.body, body); +} + #[rstest] #[case::body( c" @@ -192,7 +211,7 @@ def on_pre_call(args): )] fn rebinding_the_payload_envelope_does_not_reach_the_wire(#[case] script: &CStr) { let body = json!({"document": document(DOCUMENT)}); - let wire = before_send(script, json!({}), body.clone()); + let wire = before_send(script, body.clone()); assert_eq!(wire.body, body); assert_eq!(wire.headers, [("x-route".to_string(), "route".to_string())]); } @@ -205,7 +224,6 @@ def on_pre_call(args): args['headers']['x-callback'] = 'edited' ", json!({}), - json!({}), ); assert_eq!( wire.headers, @@ -288,7 +306,7 @@ def on_pre_call(args): )] fn pre_call_body_edits_reach_the_wire(#[case] script: &CStr, #[case] expected: Value) { let body = json!({"document": document(DOCUMENT)}); - let wire = before_send(script, json!({"document": document(DOCUMENT)}), body); + let wire = before_send(script, body); assert_eq!(wire.body, expected); } @@ -302,7 +320,6 @@ def on_pre_call(args): retained['x-retained'] = 'sent' ", json!({}), - json!({}), ); assert_eq!( wire.headers, @@ -314,52 +331,193 @@ def on_pre_call(args): } #[test] -fn post_call_receives_the_raw_response_and_the_payload_dicts_pre_call_saw() { +fn post_call_receives_the_raw_response_the_route_key_and_the_body_and_headers_pre_call_saw() { before_send( c" def check(): - original_response, additional_args = logger.post + original_response, api_key, additional_args = logger.post assert original_response == 'raw response', original_response + assert api_key == logger.pre_api_key == 'route-key', (api_key, logger.pre_api_key) + assert additional_args == { + 'complete_input_dict': logger.pre['complete_input_dict'], + 'headers': logger.pre['headers'], + }, additional_args assert additional_args['complete_input_dict'] is logger.pre['complete_input_dict'] assert additional_args['headers'] is logger.pre['headers'] ", - json!({}), json!({"document": document(DOCUMENT)}), ); } -#[rstest] -#[case::every_phase_listens(c"{}", &["pre_call", "post_call"])] -#[case::no_input_callback( - c"{'input': False}", - &["_pre_call", "record_api_call_start_time", "record_post_call"] -)] -#[case::no_payload_consumer(c"{'payload': False}", &["record_api_call_start_time"])] -fn payload_callbacks_run_only_for_the_phases_someone_listens_to( - #[case] needed: &CStr, - #[case] expected_calls: &[&str], -) { - let script = std::ffi::CString::new(format!( - " -logger.needed = {needed} +#[test] +fn every_request_runs_the_full_pre_call_and_post_call() { + let wire = before_send( + c" def on_pre_call(args): args['complete_input_dict']['include_image_base64'] = True def check(): - assert logger.names() == {expected_calls:?}, logger.calls + assert logger.names() == ['pre_call', 'post_call'], logger.calls ", - needed = needed.to_str().unwrap(), - expected_calls = expected_calls, - )) - .unwrap(); - let body = json!({"document": document(DOCUMENT)}); - let wire = before_send(&script, json!({}), body.clone()); - let edited = json!({"document": document(DOCUMENT), "include_image_base64": true}); + json!({"document": document(DOCUMENT)}), + ); assert_eq!( wire.body, - if expected_calls.contains(&"pre_call") { - edited - } else { - body - } + json!({"document": document(DOCUMENT), "include_image_base64": true}) ); } + +/// What one pre-call callback does to the payload it is handed. +#[derive(Clone, Debug)] +enum Edit { + Nothing, + Set(String, Value), + Remove(String), + Rebind(Value), + RebindThenSetRetained(String, Value), +} + +impl Edit { + fn script(&self) -> Value { + match self { + Self::Nothing => json!({"kind": "nothing"}), + Self::Set(key, value) => json!({"kind": "set", "key": key, "value": value}), + Self::Remove(key) => json!({"kind": "remove", "key": key}), + Self::Rebind(value) => json!({"kind": "rebind", "value": value}), + Self::RebindThenSetRetained(key, value) => { + json!({"kind": "rebind_then_set_retained", "key": key, "value": value}) + } + } + } + + /// The legacy contract: the provider is sent the body object `pre_call` received, as + /// the callback left it. Rebinding the envelope's key points the envelope elsewhere and + /// leaves that object alone. + fn sent(&self, body: &Map) -> Value { + let mut sent = body.clone(); + match self { + Self::Nothing | Self::Rebind(_) => {} + Self::Set(key, value) | Self::RebindThenSetRetained(key, value) => { + sent.insert(key.clone(), value.clone()); + } + Self::Remove(key) => { + sent.remove(key); + } + } + Value::Object(sent) + } +} + +/// How the caller's keyword for a body key relates to what the route sends under it. +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +enum Caller { + PassedUnchanged, + RewrittenByTheRoute, + NotPassed, +} + +const MODEL: &CStr = c" +aliased = {} +def on_pre_call(args): + body = args['complete_input_dict'] + aliased.update({name: body[name] is kwargs[name] for name in unchanged}) + kind = edit['kind'] + if kind == 'set': + body[edit['key']] = edit['value'] + elif kind == 'remove': + body.pop(edit['key'], None) + elif kind == 'rebind': + args['complete_input_dict'] = edit['value'] + elif kind == 'rebind_then_set_retained': + args['complete_input_dict'] = {} + body[edit['key']] = edit['value'] +def check(): + assert aliased == {name: True for name in unchanged}, aliased + assert logger.names() == ['pre_call', 'post_call'], logger.calls +"; + +fn json_value() -> impl Strategy { + let leaf = prop_oneof![ + Just(Value::Null), + any::().prop_map(Value::from), + any::().prop_map(Value::from), + any::() + .prop_filter("JSON has no NaN or infinity", |number| number.is_finite()) + .prop_map(Value::from), + ".{0,8}".prop_map(Value::from), + ]; + leaf.prop_recursive(3, 24, 4, |inner| { + prop_oneof![ + prop::collection::vec(inner.clone(), 0..4).prop_map(Value::from), + prop::collection::btree_map(key(), inner, 0..4) + .prop_map(|fields| Value::Object(fields.into_iter().collect())), + ] + }) +} + +fn key() -> impl Strategy { + "[a-z]{1,6}" +} + +fn caller() -> impl Strategy { + prop_oneof![ + Just(Caller::PassedUnchanged), + Just(Caller::RewrittenByTheRoute), + Just(Caller::NotPassed), + ] +} + +fn edit() -> impl Strategy { + prop_oneof![ + Just(Edit::Nothing), + (key(), json_value()).prop_map(|(key, value)| Edit::Set(key, value)), + key().prop_map(Edit::Remove), + json_value().prop_map(Edit::Rebind), + (key(), json_value()).prop_map(|(key, value)| Edit::RebindThenSetRetained(key, value)), + ] +} + +proptest! { + #![proptest_config(ProptestConfig::with_cases(128))] + + /// For any body, any caller keywords and any callback edit: every keyword the route + /// sends unchanged reaches `pre_call` as the caller's own object, and the provider is + /// sent exactly what the model says, so a callback that edits nothing changes nothing. + #[test] + fn the_wire_is_the_body_pre_call_received_as_the_callback_left_it( + fields in prop::collection::btree_map(key(), (json_value(), caller()), 0..5), + edit in edit(), + ) { + let body: Map = fields + .iter() + .map(|(name, (value, _))| (name.clone(), value.clone())) + .collect(); + let kwargs: Map = fields + .iter() + .filter_map(|(name, (value, caller))| match caller { + Caller::PassedUnchanged => Some((name.clone(), value.clone())), + Caller::RewrittenByTheRoute => Some((name.clone(), json!([value]))), + Caller::NotPassed => None, + }) + .collect(); + let unchanged: Value = fields + .iter() + .filter(|(_, (_, caller))| *caller == Caller::PassedUnchanged) + .map(|(name, _)| Value::from(name.clone())) + .collect(); + + let wire = before_send_bound( + &[ + ("kwargs", &Value::Object(kwargs)), + ("unchanged", &unchanged), + ("edit", &edit.script()), + ], + MODEL, + json!({}), + Value::Object(body.clone()), + &[], + ); + + prop_assert_eq!(wire.body, edit.sent(&body)); + prop_assert_eq!(wire.headers, [("x-route".to_string(), "route".to_string())]); + } +} diff --git a/litellm-rust/crates/callbacks-legacy/tests/support.rs b/litellm-rust/crates/callbacks-legacy/tests/support.rs index 1663e11963e..d3cc32e301f 100644 --- a/litellm-rust/crates/callbacks-legacy/tests/support.rs +++ b/litellm-rust/crates/callbacks-legacy/tests/support.rs @@ -5,64 +5,94 @@ use pyo3::types::{PyDict, PyTuple}; use crate::{LegacyLogging, LegacySurface, PublicCall}; -/// Stand-ins for every litellm function the legacy contract calls. Tests share one -/// interpreter and run concurrently, so each stub is installed idempotently and forwards to -/// the per-test `StubLogger` it is handed (directly, or as `kwargs['logger']`). +/// The parameters of every `legacy_callbacks` function, as the real module declares them. +/// `tests/test_litellm/rust_bridge/test_legacy_callbacks.py` pins this file to the Python +/// signatures, and [`namespace`] binds every fake call against it. +pub(crate) const PYTHON_CONTRACT: &str = include_str!("../python_contract.json"); + +/// Stand-ins for `legacy_callbacks`, the only Python module the crate calls. Tests +/// share one interpreter and run concurrently, so each fake is installed idempotently and +/// forwards to the per-test `StubLogger` it is handed (directly, or as `kwargs['logger']`). +/// Every fake is bound against the contract first, so a call the real module would reject +/// fails here too. const STUBS: &CStr = c" import contextvars +import inspect +import json import sys +import traceback import types -for name in ( - 'litellm', - 'litellm.utils', - 'litellm.types', - 'litellm.types.utils', - 'litellm._internal_context', - 'litellm.litellm_core_utils', - 'litellm.litellm_core_utils.logging_worker', - 'litellm.litellm_core_utils.litellm_logging', - 'litellm.rust_bridge', - 'litellm.rust_bridge.legacy_callbacks', -): +for name in ('litellm', 'litellm.rust_bridge', 'litellm.rust_bridge.legacy_callbacks'): sys.modules.setdefault(name, types.ModuleType(name)) legacy = sys.modules['litellm.rust_bridge.legacy_callbacks'] -legacy.setup = lambda call_type, args, kwargs, start, asynchronous: types.SimpleNamespace( - logger=kwargs['logger_factory'](kwargs) if 'logger_factory' in kwargs else kwargs['logger'], - kwargs=kwargs, - bridge_owned=True, -) -legacy.deployment_callbacks_needed = lambda: True -legacy.check_limits = lambda arguments: arguments['logger'].check_limits(arguments) -legacy.callbacks_needed = lambda logger, phase: logger.needed.get(phase, True) -legacy.success_bookkeeping = lambda logger, response, start, end, asynchronous: logger.record( - 'success_bookkeeping', asynchronous -) -legacy.failure_bookkeeping = lambda logger, error, start, end, asynchronous: logger.record( - 'failure_bookkeeping', asynchronous -) -legacy.finalize = lambda response, logger, kwargs, start, end: logger.record('finalize', response) +CONTRACT = json.loads(python_contract) -utils = sys.modules['litellm.utils'] -utils.async_pre_call_deployment_hook = lambda kwargs, call_type: kwargs['logger'].hook( - 'pre', kwargs, call_type -) -utils.async_post_call_success_deployment_hook = lambda kwargs, response, call_type: kwargs[ - 'logger' -].hook('success', response, call_type) -utils.async_post_call_failure_deployment_hook = lambda kwargs, error, call_type: kwargs[ - 'logger' -].hook('failure', error, call_type) -utils._restore_correlation_context_if_supported = lambda logger: logger.record('restore', None) -internal = sys.modules['litellm._internal_context'] -if not hasattr(internal, 'is_internal_call'): - internal.is_internal_call = contextvars.ContextVar('is_internal_call', default=False) +def contracted(name, fake): + signature = inspect.Signature( + [inspect.Parameter(parameter, inspect.Parameter.POSITIONAL_OR_KEYWORD) for parameter in CONTRACT[name]] + ) -sys.modules['litellm.types.utils'].CustomPricingLiteLLMParams = type( - 'CustomPricingLiteLLMParams', (), {'model_fields': {'ocr_cost_per_page': None}} -) + def checked(*args, **kwargs): + signature.bind(*args, **kwargs) + return fake(*args, **kwargs) + + return checked + + +if not hasattr(legacy, 'is_internal'): + legacy.is_internal = contextvars.ContextVar('is_internal_call', default=False) + +FAKES = { + 'setup': lambda call_type, args, kwargs, start, asynchronous: types.SimpleNamespace( + logger=kwargs['logger_factory'](kwargs) if 'logger_factory' in kwargs else kwargs['logger'], + kwargs=kwargs, + ), + 'check_limits': lambda arguments: arguments['logger'].check_limits(arguments), + 'finalize': lambda response, logger, kwargs, start, end: logger.record('finalize', response), + 'update_logging': lambda logger, kwargs, model, optional_params, litellm_params, provider: logger.update_from_kwargs( + kwargs=kwargs, + model=model, + optional_params=optional_params, + litellm_params=litellm_params, + custom_llm_provider=provider, + ), + 'pre_call': lambda logger, input, api_key, additional_args: logger.pre_call(input, api_key, additional_args), + 'post_call': lambda logger, original_response, api_key, additional_args: logger.post_call( + original_response, api_key, additional_args + ), + 'defers_async_logging': lambda logger: bool(getattr(logger, '_defer_async_logging', False)), + 'defer_success': lambda logger, pending: setattr(logger, '_native_pending_logging', pending), + 'sync_success_for_async_call': lambda logger, response, start, end: logger.handle_sync_success_callbacks_for_async_calls( + response, start, end + ), + 'failure_handler': lambda logger, error, start, end, asynchronous: ( + logger.async_failure_handler if asynchronous else logger.failure_handler + )(error, ''.join(traceback.format_exception(error)), start, end), + 'submit_success': lambda logger, response, start, end: logger.record('submit', (response, start, end)), + 'async_success_handler': lambda logger, response, start, end: logger.async_success_handler(response, start, end), + 'enqueue_logging': lambda coroutine: coroutine.enqueue(), + 'restore_context': lambda logger: logger.record('restore', None), + 'custom_pricing_fields': lambda: ('ocr_cost_per_page',), + 'is_internal_call': lambda: legacy.is_internal.get(), + 'credential_list': lambda: [], + 'warn_unknown_credential': lambda name, loaded: None, + 'before_deployment_call': lambda kwargs, call_type: kwargs['logger'].hook('pre', kwargs, call_type), + 'after_deployment_success': lambda kwargs, response, call_type: kwargs['logger'].hook( + 'success', response, call_type + ), + 'after_deployment_failure': lambda kwargs, error, call_type: kwargs['logger'].hook('failure', error, call_type), + 'stream_opened': lambda logger: logger.record('stream_opened', None), + 'stream_success': lambda logger, request_body, chunks, start, end, first_chunk: logger.record( + 'stream_success', list(chunks) + ), + 'stream_failure': lambda logger, request_body, chunks, error: logger.record('stream_failure', error), +} +assert FAKES.keys() == CONTRACT.keys(), sorted(FAKES.keys() ^ CONTRACT.keys()) +for name, fake in FAKES.items(): + setattr(legacy, name, contracted(name, fake)) unraisable = sys.modules.setdefault( @@ -77,20 +107,6 @@ def unraisable_from(owner): return [error for source, error in unraisable.events if source is owner] -class Worker: - def ensure_initialized_and_enqueue(self, coroutine): - return coroutine.enqueue() - - -class Executor: - def submit(self, run, handler, *args): - handler.__self__.record('submit', args) - - -sys.modules['litellm.litellm_core_utils.logging_worker'].GLOBAL_LOGGING_WORKER = Worker() -sys.modules['litellm.litellm_core_utils.litellm_logging'].executor = Executor() - - class StubCoroutine: def __init__(self, logger): self.logger = logger @@ -106,7 +122,6 @@ class StubCoroutine: class StubLogger: def __init__(self): self.calls = [] - self.needed = {} self.hooks = {} self.on_enqueue = lambda coroutine: None @@ -147,6 +162,7 @@ logger = StubLogger() /// A namespace with the stubs, `StubLogger` and a fresh `logger`, after `script` ran in it. pub(crate) fn namespace<'py>(py: Python<'py>, script: &CStr) -> Bound<'py, PyDict> { let locals = PyDict::new(py); + locals.set_item("python_contract", PYTHON_CONTRACT).unwrap(); py.run(STUBS, Some(&locals), Some(&locals)).unwrap(); py.run(script, Some(&locals), Some(&locals)).unwrap(); locals @@ -181,6 +197,7 @@ pub(crate) fn legacy_call( LegacySurface { call_type: "test", input_description: "test input", + stream: None, }, call, asynchronous, diff --git a/litellm-rust/crates/callbacks-legacy/tests/terminal.rs b/litellm-rust/crates/callbacks-legacy/tests/terminal.rs index 9b9d29108f6..f68209233f2 100644 --- a/litellm-rust/crates/callbacks-legacy/tests/terminal.rs +++ b/litellm-rust/crates/callbacks-legacy/tests/terminal.rs @@ -1,7 +1,7 @@ use std::ffi::CStr; -use litellm_callbacks::event::{CallEvent, FailureOrigin, Timing}; -use litellm_host_python::{AdapterStep, CallbackAdapter, PublicValue}; +use litellm_host::event::{FailureOrigin, Timing}; +use litellm_host_python::{LifecycleEvent, LifecycleStep, PythonLifecycle}; use pyo3::exceptions::PyRuntimeError; use pyo3::exceptions::asyncio::CancelledError; use pyo3::prelude::*; @@ -19,52 +19,52 @@ const TIMING: Timing = Timing { fn logged(py: Python<'_>, locals: &Bound<'_, PyDict>, asynchronous: bool) -> LegacyLogging { LegacyLogging { - logger: Some(PythonLogger::new(local(locals, "logger").unbind(), true)), + logger: Some(PythonLogger::new(local(locals, "logger").unbind())), ..legacy_call(py, locals, asynchronous) } } -fn succeed(py: Python<'_>, locals: &Bound<'_, PyDict>, logging: &mut LegacyLogging) -> AdapterStep { +fn succeed( + py: Python<'_>, + locals: &Bound<'_, PyDict>, + logging: &mut LegacyLogging, +) -> LifecycleStep { let response = local(locals, "response").unbind(); logging .emit( py, - &CallEvent::Succeeded { timing: TIMING }, - Some(PublicValue::Response(&response)), + LifecycleEvent::Succeeded { + timing: TIMING, + response: &response, + }, ) .unwrap() } -fn fail(py: Python<'_>, locals: &Bound<'_, PyDict>, logging: &mut LegacyLogging) -> AdapterStep { +fn fail(py: Python<'_>, locals: &Bound<'_, PyDict>, logging: &mut LegacyLogging) -> LifecycleStep { let failure = PyErr::from_value(local(locals, "failure")); logging .emit( py, - &CallEvent::Failed { + LifecycleEvent::Failed { timing: TIMING, origin: FailureOrigin::Host, + error: &failure, }, - Some(PublicValue::Error(&failure)), ) .unwrap() } #[rstest] #[case::sync_listened(false, c"", &["submit"])] -#[case::sync_unlistened(false, c"logger.needed = {'sync_success': False}", &["success_bookkeeping"])] #[case::async_listened( true, c"", &["async_success_handler", "enqueued", "sync_success_for_async_call"] )] -#[case::async_unlistened( - true, - c"logger.needed = {'async_success': False, 'sync_success_async': False}", - &["success_bookkeeping"] -)] #[case::async_deferred(true, c"logger._defer_async_logging = True", &["sync_success_for_async_call"])] #[case::async_with_fallbacks(true, c"kwargs = {'fallbacks': ['other']}", &["sync_success_for_async_call"])] -fn success_reaches_only_the_callbacks_that_listen( +fn success_reaches_the_logging_handlers( #[case] asynchronous: bool, #[case] script: &CStr, #[case] expected: &[&str], @@ -76,7 +76,7 @@ fn success_reaches_only_the_callbacks_that_listen( let mut logging = logged(py, &locals, asynchronous); assert!(matches!( succeed(py, &locals, &mut logging), - AdapterStep::Done + LifecycleStep::Done )); let names: Vec = local(&locals, "logger") .call_method0("names") @@ -109,7 +109,10 @@ fn internal_calls_skip_failure_callbacks_only_when_asynchronous( internal: true, ..logged(py, &locals, asynchronous) }; - assert!(matches!(fail(py, &locals, &mut logging), AdapterStep::Done)); + assert!(matches!( + fail(py, &locals, &mut logging), + LifecycleStep::Done + )); let names: Vec = local(&locals, "logger") .call_method0("names") .unwrap() @@ -157,7 +160,7 @@ logger = FailingLogger() let mut logging = logged(py, &locals, true); assert!(matches!( succeed(py, &locals, &mut logging), - AdapterStep::Done + LifecycleStep::Done )); assert!( logging @@ -173,14 +176,8 @@ logger = FailingLogger() #[rstest] #[case::sync_listened(false, c"", &["failure_handler"])] -#[case::sync_unlistened(false, c"logger.needed = {'sync_failure': False}", &["failure_bookkeeping"])] #[case::async_listened(true, c"", &["failure_handler", "async_failure_handler"])] -#[case::async_unlistened( - true, - c"logger.needed = {'sync_failure': False, 'async_failure': False}", - &["failure_bookkeeping", "failure_bookkeeping"] -)] -fn failure_reaches_only_the_callbacks_that_listen( +fn failure_reaches_the_logging_handlers( #[case] asynchronous: bool, #[case] script: &CStr, #[case] expected: &[&str], @@ -192,7 +189,10 @@ fn failure_reaches_only_the_callbacks_that_listen( let mut logging = logged(py, &locals, asynchronous); let step = fail(py, &locals, &mut logging); let awaits_async_handler = expected.contains(&"async_failure_handler"); - assert_eq!(matches!(step, AdapterStep::Await(_)), awaits_async_handler); + assert_eq!( + matches!(step, LifecycleStep::Await(_)), + awaits_async_handler + ); let names: Vec = local(&locals, "logger") .call_method0("names") .unwrap() @@ -227,7 +227,7 @@ logger = FailingLogger() let mut logging = logged(py, &locals, true); assert!(matches!( fail(py, &locals, &mut logging), - AdapterStep::Await(_) + LifecycleStep::Await(_) )); assert!( logging @@ -265,7 +265,7 @@ fn the_async_failure_handler_ends_the_call_unless_it_was_cancelled( }; let expected = result.as_ref().err().map(|error| error.value(py).clone()); match logging.resume(py, result) { - Ok(step) => assert!(done && matches!(step, AdapterStep::Done)), + Ok(step) => assert!(done && matches!(step, LifecycleStep::Done)), Err(propagated) => { assert!(!done); assert!(propagated.value(py).is(expected.unwrap())); diff --git a/litellm-rust/crates/callbacks/src/event.rs b/litellm-rust/crates/callbacks/src/event.rs deleted file mode 100644 index e6f88fd9709..00000000000 --- a/litellm-rust/crates/callbacks/src/event.rs +++ /dev/null @@ -1,135 +0,0 @@ -use std::time::{SystemTime, UNIX_EPOCH}; - -use serde_json::{Map, Value}; - -/// Seconds since the Unix epoch, on one clock for every host. -pub fn epoch_seconds() -> f64 { - SystemTime::now() - .duration_since(UNIX_EPOCH) - .map(|duration| duration.as_secs_f64()) - .unwrap_or(0.0) -} - -#[derive(Clone, Copy, Debug, PartialEq)] -pub struct Timing { - pub start_time: f64, - pub end_time: f64, -} - -/// The provider request as it is about to leave, offered to the host for rewriting. -#[derive(Clone, Debug, PartialEq)] -pub struct WireRequest { - pub url: String, - pub headers: Vec<(String, String)>, - pub body: Value, -} - -/// What the route knows about the request it is sending, for a host that logs it. The -/// route owns these facts; a host reads them beside the wire request and never rewrites -/// them. -#[derive(Clone, Debug, PartialEq)] -pub struct RequestContext { - pub model: String, - pub custom_llm_provider: String, - /// The route's parameters before the provider transformation. - pub optional_params: Value, - pub passthrough_fields: Passthrough, - /// Optional-param names that carry credentials and must be redacted when logged. - pub secret_fields: Vec, -} - -/// Body keys whose values are the caller's inputs, unchanged by the route. The only way to -/// build one is to compare the two, so a route cannot name a key it rewrote. -#[derive(Clone, Debug, Default, PartialEq, Eq)] -pub struct Passthrough(Vec); - -impl Passthrough { - pub fn unchanged(caller: &Map, body: &Value) -> Self { - Self( - caller - .iter() - .filter(|(name, value)| body.get(name.as_str()) == Some(*value)) - .map(|(name, _)| name.clone()) - .collect(), - ) - } - - pub fn iter(&self) -> impl Iterator { - self.0.iter().map(String::as_str) - } - - pub fn contains(&self, name: &str) -> bool { - self.0.iter().any(|field| field == name) - } -} - -#[derive(Clone, Debug, PartialEq, Eq)] -pub struct RawResponse { - pub body: String, -} - -/// Whether a failure surfaced inside the call, including a host op the call asked for, -/// or in a host step around it (preparing the arguments, finalizing the response). -#[derive(Clone, Copy, Debug, PartialEq, Eq)] -pub enum FailureOrigin { - Call, - Host, -} - -#[derive(Clone, Debug, PartialEq)] -pub enum CallEvent { - ResponseReceived { - raw: RawResponse, - }, - Succeeded { - timing: Timing, - }, - Failed { - timing: Timing, - origin: FailureOrigin, - }, -} - -#[cfg(test)] -mod tests { - use rstest::rstest; - use serde_json::json; - - use super::*; - - #[rstest] - #[case::unchanged_scalar(json!({"pages": [0]}), json!({"pages": [0]}), &["pages"])] - #[case::unchanged_explicit_null(json!({"pages": null}), json!({"pages": null}), &["pages"])] - #[case::unchanged_nested_object( - json!({"document": {"type": "document_url", "document_url": "https://a/b.pdf"}}), - json!({"document": {"type": "document_url", "document_url": "https://a/b.pdf"}, "model": "m"}), - &["document"] - )] - #[case::rewritten_value( - json!({"document": {"type": "document_url", "document_url": "https://a/b.pdf"}}), - json!({"document": {"type": "document_url", "document_url": "data:application/pdf;base64,YWJj"}}), - &[] - )] - #[case::dropped_nested_field( - json!({"document": {"type": "image_url", "image_url": "https://a/b.png", "document_name": "b.png"}}), - json!({"document": {"type": "image_url", "image_url": "https://a/b.png"}}), - &[] - )] - #[case::added_nested_field( - json!({"document": {"type": "image_url", "image_url": "https://a/b.png"}}), - json!({"document": {"type": "image_url", "image_url": "https://a/b.png", "detail": "high"}}), - &[] - )] - #[case::reordered_array(json!({"pages": [0, 1]}), json!({"pages": [1, 0]}), &[])] - #[case::consumed_by_the_route(json!({"api_key": "k", "pages": [0]}), json!({"pages": [0]}), &["pages"])] - #[case::added_by_the_route(json!({}), json!({"model": "m"}), &[])] - #[case::non_object_body(json!({"pages": [0]}), json!([{"pages": [0]}]), &[])] - fn passthrough_is_exactly_the_callers_unchanged_keys( - #[case] caller: Value, - #[case] body: Value, - #[case] expected: &[&str], - ) { - let passthrough = Passthrough::unchanged(caller.as_object().unwrap(), &body); - assert_eq!(passthrough.iter().collect::>(), expected); - } -} diff --git a/litellm-rust/crates/core/Cargo.toml b/litellm-rust/crates/core/Cargo.toml index db6cfc4b340..3995a235778 100644 --- a/litellm-rust/crates/core/Cargo.toml +++ b/litellm-rust/crates/core/Cargo.toml @@ -9,7 +9,7 @@ autotests = false [dependencies] litellm-types.workspace = true litellm-core-utils.workspace = true -litellm-callbacks.workspace = true +litellm-host.workspace = true bytes.workspace = true futures-util.workspace = true base64.workspace = true diff --git a/litellm-rust/crates/core/src/lib.rs b/litellm-rust/crates/core/src/lib.rs index 58aef6cd629..e3e2fb48721 100644 --- a/litellm-rust/crates/core/src/lib.rs +++ b/litellm-rust/crates/core/src/lib.rs @@ -2,7 +2,6 @@ pub mod audio_transcription; pub mod chat_completions; pub mod constants; pub mod error; -pub mod machine; pub mod messages; pub mod ocr; pub mod responses; diff --git a/litellm-rust/crates/core/src/messages/handler.rs b/litellm-rust/crates/core/src/messages/handler.rs index b95402b1a7a..22e2c398ff7 100644 --- a/litellm-rust/crates/core/src/messages/handler.rs +++ b/litellm-rust/crates/core/src/messages/handler.rs @@ -1,88 +1,54 @@ -use litellm_llms::custom_httpx::http_handler::http_request; -use litellm_types::llms::anthropic_messages::anthropic_response::AnthropicMessagesResponse; +use std::time::Duration; -use super::{ - Error, client::http_client, common_utils::truncate_error_body, - prepare::prepare_provider_request, +use litellm_llms::{ + base_llm::anthropic_messages::transformation::BaseAnthropicMessagesConfig, + custom_httpx::{http_handler::http_request, transport::Error as TransportError}, }; -use crate::{constants::ANTHROPIC_MESSAGES_PROVIDER, messages::types::MessagesRequest}; +use litellm_types::llms::anthropic_messages::anthropic_response::AnthropicMessagesResponse; +use serde_json::Value; -pub(super) async fn execute_messages_provider_call( - request: MessagesRequest<'_>, +use super::{Error, client::http_client, common_utils::truncate_error_body}; + +pub(super) fn network(error: reqwest::Error) -> Error { + Error::Transport(TransportError::Network(error.to_string())) +} + +pub(super) async fn send( + url: &str, + headers: &[(String, String)], + body: &Value, + timeout: Option, +) -> Result { + let builder = headers.iter().fold( + http_client().post(url).json(body), + |builder, (key, value)| builder.header(key, value), + ); + let builder = match timeout { + Some(duration) => builder.timeout(duration), + None => builder, + }; + http_request(builder).await.map_err(network) +} + +pub(super) async fn provider_error(response: reqwest::Response) -> Error { + let status = response.status().as_u16(); + match response.text().await { + Ok(text) => Error::Transport(TransportError::Http { + status, + body: truncate_error_body(&text), + }), + Err(error) => network(error), + } +} + +pub(super) fn decode_response( + config: &dyn BaseAnthropicMessagesConfig, + model: &str, + text: &str, ) -> Result { - let request = prepare_provider_request(request)?; - let mut request_builder = http_client().post(&request.url).json(&request.body); - for (key, value) in &request.upstream_headers { - request_builder = request_builder.header(key, value); - } - if let Some(duration) = request.timeout { - request_builder = request_builder.timeout(duration); - } - - let response = http_request(request_builder).await.map_err(|err| { - Error::Transport(litellm_llms::custom_httpx::transport::Error::Network( - err.to_string(), - )) - })?; - - let status = response.status(); - let text = response.text().await.map_err(|err| { - Error::Transport(litellm_llms::custom_httpx::transport::Error::Network( - err.to_string(), - )) - })?; - - if !status.is_success() { - return Err(Error::Transport( - litellm_llms::custom_httpx::transport::Error::Http { - status: status.as_u16(), - body: truncate_error_body(&text), - }, - )); - } - - let response = serde_json::from_str(&text) + let response = serde_json::from_str(text) .map_err(|err| Error::InvalidResponse(format!("invalid messages response JSON: {err}")))?; - request - .config - .transform_anthropic_messages_response(&request.model, response) + config + .transform_anthropic_messages_response(model, response) .map_err(Error::from) } - -pub(super) async fn execute_messages_provider_stream( - request: MessagesRequest<'_>, -) -> Result { - let request = prepare_provider_request(request)?; - if request.provider != ANTHROPIC_MESSAGES_PROVIDER { - return Err(Error::Unsupported("streaming messages for this provider")); - } - - let mut request_builder = http_client().post(&request.url).json(&request.body); - for (key, value) in &request.upstream_headers { - request_builder = request_builder.header(key, value); - } - if let Some(duration) = request.timeout { - request_builder = request_builder.timeout(duration); - } - - let response = http_request(request_builder).await.map_err(|err| { - Error::Transport(litellm_llms::custom_httpx::transport::Error::Network( - err.to_string(), - )) - })?; - let status = response.status(); - if !status.is_success() { - let text = response.text().await.map_err(|err| { - Error::Transport(litellm_llms::custom_httpx::transport::Error::Network( - err.to_string(), - )) - })?; - return Err(Error::Transport( - litellm_llms::custom_httpx::transport::Error::Http { - status: status.as_u16(), - body: truncate_error_body(&text), - }, - )); - } - Ok(response) -} diff --git a/litellm-rust/crates/core/src/messages/mod.rs b/litellm-rust/crates/core/src/messages/mod.rs index c3d7bea48ff..289f79109dd 100644 --- a/litellm-rust/crates/core/src/messages/mod.rs +++ b/litellm-rust/crates/core/src/messages/mod.rs @@ -1,11 +1,8 @@ //! The Anthropic Messages call, the Rust equivalent of Python's //! `litellm.messages()`. //! -//! [`messages`] is the top-level entrypoint: give it a model, a body, and -//! credentials, and it resolves the provider, transforms the request, calls the -//! provider, and returns a typed non-streaming response. [`messages_stream`] -//! is the streaming variant; it hands the raw upstream response back so a host -//! can splice the event stream to its own caller. +//! [`route`] is the call as a machine a host drives, streaming or not. [`messages`] runs +//! it in process for a caller that already holds the request and wants the message. mod error; pub mod types; @@ -14,17 +11,34 @@ mod client; mod common_utils; mod handler; mod prepare; -use handler::{execute_messages_provider_call, execute_messages_provider_stream}; +pub mod route; use litellm_types::llms::anthropic_messages::anthropic_response::AnthropicMessagesResponse; +use route::{LocalMessagesHost, MessagesCall, MessagesOutput, messages_machine}; +use serde_json::Value; use crate::messages::types::MessagesRequest; pub async fn messages(request: MessagesRequest<'_>) -> Result { - execute_messages_provider_call(request).await -} - -pub async fn messages_stream(request: MessagesRequest<'_>) -> Result { - execute_messages_provider_stream(request).await + let Value::Object(body) = request.body else { + return Err(Error::InvalidRequest( + "messages body must be an object".into(), + )); + }; + let call = MessagesCall { + model: request.model.into(), + body, + api_key: request.api_key.map(Into::into), + api_base: request.api_base.map(Into::into), + custom_llm_provider: request.custom_llm_provider.map(Into::into), + extra_headers: request.extra_headers, + timeout: request.timeout, + }; + match litellm_host::run::run(messages_machine(), &LocalMessagesHost::new(call)).await? { + MessagesOutput::Message(message) => Ok(*message), + MessagesOutput::Streamed => Err(Error::Unsupported( + "streamed responses need a streaming host", + )), + } } #[cfg(test)] diff --git a/litellm-rust/crates/core/src/messages/prepare.rs b/litellm-rust/crates/core/src/messages/prepare.rs index 8b676803871..850f9108869 100644 --- a/litellm-rust/crates/core/src/messages/prepare.rs +++ b/litellm-rust/crates/core/src/messages/prepare.rs @@ -2,6 +2,7 @@ use litellm_core_utils::get_llm_provider_logic::{CustomLlmProvider, get_custom_l use litellm_llms::base_llm::anthropic_messages::transformation::{ BaseAnthropicMessagesConfig, MessagesAuthStrategy, }; +use litellm_types::llms::anthropic_messages::anthropic_request::AnthropicMessagesRequest; use serde_json::{Map, Value}; use super::{ @@ -37,10 +38,14 @@ pub(super) fn prepare_provider_request( let headers = validate_environment(config, request.extra_headers, request.api_key, &env_lookup)?; - let typed_request = serde_json::from_value(request.body).map_err(|err| { - Error::InvalidRequest(format!("invalid Anthropic messages request: {err}")) + let typed_request: AnthropicMessagesRequest = + serde_json::from_value(request.body).map_err(|err| { + Error::InvalidRequest(format!("invalid Anthropic messages request: {err}")) + })?; + let transformed = config.transform_anthropic_messages_request(AnthropicMessagesRequest { + model: model.clone(), + ..typed_request })?; - let transformed = config.transform_anthropic_messages_request(typed_request)?; let body = serde_json::to_value(transformed).map_err(|err| { Error::InvalidRequest(format!( "failed to serialize Anthropic messages request: {err}" diff --git a/litellm-rust/crates/core/src/messages/route.rs b/litellm-rust/crates/core/src/messages/route.rs new file mode 100644 index 00000000000..838b56fcb4b --- /dev/null +++ b/litellm-rust/crates/core/src/messages/route.rs @@ -0,0 +1,196 @@ +use std::{sync::Mutex, time::Duration}; + +use bytes::Bytes; +use litellm_auth::SecretValue; +use litellm_core_utils::get_llm_provider_logic::get_custom_llm_provider; +use litellm_host::{ + event::{MachineEvent, RawResponse, RequestContext, WireRequest}, + host::{Demand, Host}, + machine::{HostChannel, MachineFault, RouteMachine}, + route::Route, +}; +use litellm_types::llms::anthropic_messages::anthropic_response::AnthropicMessagesResponse; +use serde_json::{Map, Value}; + +use super::{ + Error, + common_utils::messages_provider_config, + handler::{decode_response, network, provider_error, send}, + prepare::prepare_provider_request, + types::MessagesRequest, +}; +use crate::constants::ANTHROPIC_MESSAGES_PROVIDER; + +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum MessagesOp { + ProjectRequest, +} + +pub enum MessagesOpResult { + Request(Box), +} + +/// The caller's request as the host projects it. +pub struct MessagesCall { + pub model: String, + pub body: Map, + pub api_key: Option, + pub api_base: Option, + pub custom_llm_provider: Option, + pub extra_headers: Option>, + pub timeout: Option, +} + +impl MessagesCall { + fn streams(&self) -> bool { + self.body.get("stream").and_then(Value::as_bool) == Some(true) + } +} + +pub enum MessagesOutput { + Message(Box), + /// Every chunk already reached the host through `Deliver`. + Streamed, +} + +pub struct Messages; + +impl Route for Messages { + type Response = MessagesOutput; + type Error = Error; + type Op = MessagesOp; + type OpResult = MessagesOpResult; + type Chunk = Bytes; + type StreamHead = (); +} + +impl From for Error { + fn from(fault: MachineFault) -> Self { + Self::InvalidRequest(match fault { + MachineFault::Abandoned => "messages host driver was abandoned".into(), + MachineFault::Protocol(message) => format!("messages {message}"), + MachineFault::Mismatch => "invalid messages host operation result".into(), + }) + } +} + +pub type MessagesHost = HostChannel; +pub type MessagesMachine = RouteMachine; + +/// Whether this route serves the request, decided before any callback runs so a host +/// can still run its own path. +pub fn supports(model: &str, custom_llm_provider: Option<&str>, stream: bool) -> bool { + let provider = get_custom_llm_provider(model, custom_llm_provider) + .map(|resolved| resolved.custom_llm_provider) + .or(custom_llm_provider); + match provider { + Some(ANTHROPIC_MESSAGES_PROVIDER) => true, + Some(provider) => !stream && messages_provider_config(provider).is_some(), + None => false, + } +} + +/// The in-process host for a request already in hand. It answers projection once and +/// observes nothing. +pub struct LocalMessagesHost { + call: Mutex>, +} + +impl LocalMessagesHost { + pub fn new(call: MessagesCall) -> Self { + Self { + call: Mutex::new(Some(call)), + } + } +} + +impl Host for LocalMessagesHost { + async fn route(&self, op: MessagesOp) -> Result { + match op { + MessagesOp::ProjectRequest => self + .call + .lock() + .unwrap_or_else(|error| error.into_inner()) + .take() + .map(|call| MessagesOpResult::Request(Box::new(call))) + .ok_or_else(|| { + Error::InvalidRequest("messages request was already projected".into()) + }), + } + } +} + +pub fn messages_machine() -> MessagesMachine { + RouteMachine::new(|host| Box::pin(execute(host))) +} + +async fn execute(host: MessagesHost) -> Result { + let MessagesOpResult::Request(call) = host.route(MessagesOp::ProjectRequest).await?; + let stream = call.streams(); + let request = prepare_provider_request(MessagesRequest { + model: &call.model, + body: Value::Object(call.body.clone()), + api_key: call.api_key.as_deref(), + api_base: call.api_base.as_deref(), + custom_llm_provider: call.custom_llm_provider.as_deref(), + extra_headers: call.extra_headers.clone(), + timeout: call.timeout, + })?; + if stream && request.provider != ANTHROPIC_MESSAGES_PROVIDER { + return Err(Error::Unsupported("streaming messages for this provider")); + } + let context = RequestContext { + model: request.model.clone(), + custom_llm_provider: request.provider.clone(), + optional_params: Value::Object( + call.body + .iter() + .filter(|(name, _)| !matches!(name.as_str(), "model" | "messages")) + .map(|(name, value)| (name.clone(), value.clone())) + .collect(), + ), + secret_fields: Vec::new(), + api_key: call.api_key.clone().map(SecretValue::new), + }; + let wire = host + .before_send( + WireRequest { + url: request.url, + headers: request.upstream_headers, + body: request.body, + }, + context, + ) + .await?; + let response = send(&wire.url, &wire.headers, &wire.body, request.timeout).await?; + if !response.status().is_success() { + return Err(provider_error(response).await); + } + if stream { + return relay(&host, response).await; + } + let text = response.text().await.map_err(network)?; + host.emit(MachineEvent::ResponseReceived { + raw: RawResponse { body: text.clone() }, + }) + .await?; + decode_response(request.config, &request.model, &text) + .map(|message| MessagesOutput::Message(Box::new(message))) +} + +/// Hands each upstream chunk to the caller as it arrives. A caller that stops reading +/// ends the upstream read, and the call completes with what it delivered. +async fn relay( + host: &MessagesHost, + mut response: reqwest::Response, +) -> Result { + if host.open(()).await? == Demand::Detached { + return Ok(MessagesOutput::Streamed); + } + while let Some(chunk) = response.chunk().await.map_err(network)? { + if host.deliver(chunk).await? == Demand::Detached { + break; + } + } + Ok(MessagesOutput::Streamed) +} diff --git a/litellm-rust/crates/core/src/ocr/client.rs b/litellm-rust/crates/core/src/ocr/client.rs index 03782d91f24..c05622932b1 100644 --- a/litellm-rust/crates/core/src/ocr/client.rs +++ b/litellm-rust/crates/core/src/ocr/client.rs @@ -12,7 +12,7 @@ pub async fn perform( client: &OcrClient, request: LiteLLMOcrRequest, ) -> Result { - litellm_callbacks::run::run(ocr_machine(client.clone()), &LocalOcrHost::new(request)).await + litellm_host::run::run(ocr_machine(client.clone()), &LocalOcrHost::new(request)).await } pub async fn ocr(request: LiteLLMOcrRequest) -> Result { diff --git a/litellm-rust/crates/core/src/ocr/handler.rs b/litellm-rust/crates/core/src/ocr/handler.rs index 33cb8a8d32a..bbf9cfa0e02 100644 --- a/litellm-rust/crates/core/src/ocr/handler.rs +++ b/litellm-rust/crates/core/src/ocr/handler.rs @@ -1,5 +1,6 @@ use futures_util::future::BoxFuture; -use litellm_callbacks::event::{CallEvent, Passthrough, RawResponse, RequestContext, WireRequest}; +use litellm_auth::SecretValue; +use litellm_host::event::{MachineEvent, RawResponse, RequestContext, WireRequest}; use litellm_llms::{ base_llm::ocr::{ error::Error, @@ -36,6 +37,7 @@ pub(crate) struct OcrCallHooks { custom_llm_provider: &'static str, optional_params: Value, secret_fields: Vec, + api_key: Option, } impl OcrCallHooks { @@ -51,28 +53,25 @@ impl OcrCallHooks { .filter(|name| is_secret_param(name)) .cloned() .collect(), + api_key: request.connection.api_key.clone(), } } } impl CallHooks for OcrCallHooks { - fn before_send( - &self, - wire: WireRequest, - passthrough_fields: Passthrough, - ) -> BoxFuture<'_, Result> { + fn before_send(&self, wire: WireRequest) -> BoxFuture<'_, Result> { let context = RequestContext { model: self.model.clone(), custom_llm_provider: self.custom_llm_provider.into(), optional_params: self.optional_params.clone(), - passthrough_fields, secret_fields: self.secret_fields.clone(), + api_key: self.api_key.clone(), }; Box::pin(self.host.before_send(wire, context)) } fn response_received<'a>(&'a self, body: &'a [u8]) -> BoxFuture<'a, Result<(), Error>> { - Box::pin(self.host.emit(CallEvent::ResponseReceived { + Box::pin(self.host.emit(MachineEvent::ResponseReceived { raw: RawResponse { body: String::from_utf8_lossy(body).into_owned(), }, diff --git a/litellm-rust/crates/core/src/ocr/mod.rs b/litellm-rust/crates/core/src/ocr/mod.rs index e7f77acc3f8..c977f721a70 100644 --- a/litellm-rust/crates/core/src/ocr/mod.rs +++ b/litellm-rust/crates/core/src/ocr/mod.rs @@ -21,8 +21,8 @@ mod cohere_tests; #[path = "../../tests/deepseek_ocr.rs"] mod deepseek_tests; #[cfg(test)] -#[path = "../../tests/ocr/passthrough.rs"] -mod passthrough_tests; +#[path = "../../tests/ocr/document.rs"] +mod document_tests; #[cfg(test)] #[path = "../../tests/reducto_ocr.rs"] mod reducto_tests; diff --git a/litellm-rust/crates/core/src/ocr/prepare.rs b/litellm-rust/crates/core/src/ocr/prepare.rs index 24c3f43e2b4..8ac038290b7 100644 --- a/litellm-rust/crates/core/src/ocr/prepare.rs +++ b/litellm-rust/crates/core/src/ocr/prepare.rs @@ -1,4 +1,4 @@ -use litellm_auth::{InputSource, Sourced}; +use litellm_auth::{InputSource, SecretValue, Sourced}; use litellm_llms::base_llm::ocr::transformation::{ OcrConnection, OcrCredentialInputs, PreparedOcrRequest, credential_env, }; @@ -22,7 +22,7 @@ pub(crate) fn prepare_request( .config .get_api_key_env_var() .and_then(credential_env) - .map(|value| Sourced::new(value, InputSource::Environment)) + .map(|value| Sourced::new(SecretValue::new(value), InputSource::Environment)) }) }); let dynamic_api_base = credentials.dynamic_api_base.or_else(|| { diff --git a/litellm-rust/crates/core/src/ocr/provider_config.rs b/litellm-rust/crates/core/src/ocr/provider_config.rs index d12b8cfee95..14b34ea4564 100644 --- a/litellm-rust/crates/core/src/ocr/provider_config.rs +++ b/litellm-rust/crates/core/src/ocr/provider_config.rs @@ -277,12 +277,18 @@ mod tests { #[test] fn connection_resolution_preserves_dynamic_precedence_and_input_sources() { let connection = OcrConfigKind::Mistral.resolve_connection_params(OcrCredentialInputs { - api_key: Some(Sourced::new("explicit-key".into(), InputSource::Deployment)), + api_key: Some(Sourced::new( + litellm_auth::SecretValue::new("explicit-key"), + InputSource::Deployment, + )), api_base: Some(Sourced::new( "https://explicit.test".into(), InputSource::Deployment, )), - dynamic_api_key: Some(Sourced::new("dynamic-key".into(), InputSource::Environment)), + dynamic_api_key: Some(Sourced::new( + litellm_auth::SecretValue::new("dynamic-key"), + InputSource::Environment, + )), dynamic_api_base: Some(Sourced::new( "https://dynamic.test".into(), InputSource::Request, @@ -292,7 +298,7 @@ mod tests { connection .api_key .as_ref() - .map(|value| value.value().as_str()), + .map(|value| value.value().expose()), Some("dynamic-key") ); assert_eq!( @@ -318,22 +324,31 @@ mod tests { fn empty_or_missing_dynamic_credentials_preserve_explicit_values( #[case] dynamic_value: Option<&str>, ) { - let dynamic = + let dynamic_key = dynamic_value.map(|value| { + Sourced::new( + litellm_auth::SecretValue::new(value), + InputSource::Environment, + ) + }); + let dynamic_base = dynamic_value.map(|value| Sourced::new(value.into(), InputSource::Environment)); let connection = OcrConfigKind::Mistral.resolve_connection_params(OcrCredentialInputs { - api_key: Some(Sourced::new("explicit-key".into(), InputSource::Deployment)), + api_key: Some(Sourced::new( + litellm_auth::SecretValue::new("explicit-key"), + InputSource::Deployment, + )), api_base: Some(Sourced::new( "https://explicit.test".into(), InputSource::Deployment, )), - dynamic_api_key: dynamic.clone(), - dynamic_api_base: dynamic, + dynamic_api_key: dynamic_key, + dynamic_api_base: dynamic_base, }); assert_eq!( connection .api_key .as_ref() - .map(|value| value.value().as_str()), + .map(|value| value.value().expose()), Some("explicit-key") ); assert_eq!( @@ -356,11 +371,18 @@ mod tests { ) { let connection = OcrConfigKind::AzureDocumentIntelligence.resolve_connection_params( OcrCredentialInputs { - api_key: explicit_key - .map(|value| Sourced::new(value.into(), InputSource::Deployment)), + api_key: explicit_key.map(|value| { + Sourced::new( + litellm_auth::SecretValue::new(value), + InputSource::Deployment, + ) + }), api_base: explicit_base .map(|value| Sourced::new(value.into(), InputSource::Deployment)), - dynamic_api_key: Some(Sourced::new("dynamic-key".into(), InputSource::Environment)), + dynamic_api_key: Some(Sourced::new( + litellm_auth::SecretValue::new("dynamic-key"), + InputSource::Environment, + )), dynamic_api_base: Some(Sourced::new( "https://dynamic.test".into(), InputSource::Deployment, @@ -371,7 +393,7 @@ mod tests { connection .api_key .as_ref() - .map(|value| value.value().as_str()), + .map(|value| value.value().expose()), explicit_key.map(|_| "dynamic-key") ); assert_eq!( diff --git a/litellm-rust/crates/core/src/ocr/route.rs b/litellm-rust/crates/core/src/ocr/route.rs index ac4237651da..bfc8c5ca965 100644 --- a/litellm-rust/crates/core/src/ocr/route.rs +++ b/litellm-rust/crates/core/src/ocr/route.rs @@ -1,8 +1,9 @@ use std::sync::{Arc, Mutex}; use litellm_auth::ResolvedCredential; -use litellm_callbacks::{ +use litellm_host::{ event::{CallEvent, RequestContext, WireRequest}, + machine::{HostChannel, HostTokenProvider, MachineFault, RouteMachine, TokenRoute}, route::Route, }; use litellm_llms::{ @@ -11,10 +12,7 @@ use litellm_llms::{ }; use super::handler::perform_ocr_request; -use crate::{ - machine::{HostChannel, HostTokenProvider, MachineFault, RouteMachine, TokenRoute}, - ocr::types::{LiteLLMOcrRequest, OcrDocumentInput, OcrFileContent, ResolvedOcrRequest}, -}; +use crate::ocr::types::{LiteLLMOcrRequest, OcrDocumentInput, OcrFileContent, ResolvedOcrRequest}; #[derive(Clone, Copy, Debug, PartialEq, Eq)] pub enum OcrOp { @@ -39,6 +37,8 @@ impl Route for Ocr { type Error = Error; type Op = OcrOp; type OpResult = OcrOpResult; + type Chunk = std::convert::Infallible; + type StreamHead = std::convert::Infallible; } impl TokenRoute for Ocr { @@ -54,16 +54,6 @@ impl TokenRoute for Ocr { } } -impl From for Error { - fn from(fault: MachineFault) -> Self { - Self::InvalidRequest(match fault { - MachineFault::Abandoned => "OCR host driver was abandoned".into(), - MachineFault::Protocol(message) => format!("OCR {message}"), - MachineFault::Mismatch => "invalid OCR host operation result".into(), - }) - } -} - pub type OcrHost = HostChannel; pub type OcrMachine = RouteMachine; @@ -173,7 +163,7 @@ impl LocalOcrHost { } } -impl litellm_callbacks::host::Host for LocalOcrHost { +impl litellm_host::host::Host for LocalOcrHost { async fn route(&self, op: OcrOp) -> Result { match op { OcrOp::ProjectRequest => self diff --git a/litellm-rust/crates/core/src/ocr/types.rs b/litellm-rust/crates/core/src/ocr/types.rs index 75202ed52a5..6316088dec8 100644 --- a/litellm-rust/crates/core/src/ocr/types.rs +++ b/litellm-rust/crates/core/src/ocr/types.rs @@ -1,7 +1,7 @@ use std::{collections::BTreeMap, path::PathBuf, time::Duration}; use bytes::Bytes; -use litellm_auth::{InputSource, TokenProviderHandle}; +use litellm_auth::{InputSource, SecretValue, TokenProviderHandle}; use litellm_core_utils::call_arguments::CallArguments; use litellm_llms::base_llm::ocr::{ error::Error, @@ -56,7 +56,7 @@ pub struct OcrFileContent { /// credentials, and per-field provenance in `input_sources`. #[derive(Clone, Debug, Default)] pub struct OcrConnectionInputs { - pub api_key: Option, + pub api_key: Option, pub api_base: Option, pub extra_headers: Map, pub timeout: Option, @@ -237,6 +237,16 @@ mod tests { .unwrap() } + #[test] + fn connection_inputs_debug_hides_the_api_key() { + let inputs = OcrConnectionInputs { + api_key: Some(SecretValue::new("caller-api-key")), + ..OcrConnectionInputs::default() + }; + + assert!(!format!("{inputs:?}").contains("caller-api-key")); + } + #[test] fn from_inputs_applies_connection_overrides_with_field_sources() { let request = LiteLLMOcrRequest::from_inputs( @@ -245,7 +255,7 @@ mod tests { None, Default::default(), OcrConnectionInputs { - api_key: Some(" key ".into()), + api_key: Some(SecretValue::new(" key ")), api_base: Some("".into()), extra_headers: json!({"x-a": "1"}).as_object().unwrap().clone(), timeout: Some(Duration::from_secs(7)), @@ -259,7 +269,7 @@ mod tests { .unwrap(); let api_key = request.credentials.api_key.as_ref().unwrap(); - assert_eq!(api_key.clone().into_value(), "key"); + assert_eq!(api_key.value().expose(), "key"); assert_eq!(api_key.source(), InputSource::Request); assert!(request.credentials.api_base.is_none()); assert_eq!( diff --git a/litellm-rust/crates/core/src/ocr/wire.rs b/litellm-rust/crates/core/src/ocr/wire.rs index 29345e38885..b9c60f57e3c 100644 --- a/litellm-rust/crates/core/src/ocr/wire.rs +++ b/litellm-rust/crates/core/src/ocr/wire.rs @@ -1,6 +1,6 @@ use std::{collections::BTreeMap, time::Duration}; -use litellm_auth::InputSource; +use litellm_auth::{InputSource, SecretValue}; use litellm_llms::base_llm::ocr::{ error::Error, transformation::{OcrDocument, decode_request_value}, @@ -44,7 +44,7 @@ pub fn consumed_optional_param_names( pub struct OcrWireRequest { pub model: String, pub document: D, - pub api_key: Option, + pub api_key: Option, pub api_base: Option, pub custom_llm_provider: Option, pub extra_headers: Option>, diff --git a/litellm-rust/crates/core/tests/azure_document_intelligence_ocr.rs b/litellm-rust/crates/core/tests/azure_document_intelligence_ocr.rs index 01a4e5efb3b..3cbe6fe3159 100644 --- a/litellm-rust/crates/core/tests/azure_document_intelligence_ocr.rs +++ b/litellm-rust/crates/core/tests/azure_document_intelligence_ocr.rs @@ -1,4 +1,4 @@ -use litellm_callbacks::event::CallEvent; +use litellm_host::event::{CallEvent, MachineEvent}; use litellm_llms::base_llm::ocr::error::Error; use rstest::rstest; use serde_json::{Value, json}; @@ -69,7 +69,7 @@ async fn rejects_invalid_pages_features_and_format( let result = decode_request(OcrWireRequest { model: "azure_ai/doc-intelligence/prebuilt-read".into(), document: json!({"type":"document_url","document_url":"https://example.com/a.pdf"}), - api_key: Some("key".into()), + api_key: Some(litellm_auth::SecretValue::new("key")), api_base: Some(base), custom_llm_provider: None, extra_headers: None, @@ -263,7 +263,7 @@ async fn accepted_response_emits_response_received_before_polling() { json!({}), )) .with_observer(move |event| { - let CallEvent::ResponseReceived { raw } = event else { + let CallEvent::Machine(MachineEvent::ResponseReceived { raw }) = event else { return; }; match request_count.lock().unwrap().len() { @@ -466,7 +466,7 @@ async fn model_id_is_encoded_and_dot_segments_are_rejected() { mod transformation { use std::sync::{Arc, Mutex}; - use litellm_callbacks::event::CallEvent; + use litellm_host::event::{CallEvent, MachineEvent}; use litellm_llms::base_llm::ocr::transformation::OcrDocument; use serde_json::{Value, json}; @@ -646,7 +646,7 @@ mod transformation { json!({}), )) .with_observer(move |event| { - if let CallEvent::ResponseReceived { raw } = event { + if let CallEvent::Machine(MachineEvent::ResponseReceived { raw }) = event { observed .lock() .unwrap() diff --git a/litellm-rust/crates/core/tests/ocr.rs b/litellm-rust/crates/core/tests/ocr.rs index 1f591d74d5d..41a650945bc 100644 --- a/litellm-rust/crates/core/tests/ocr.rs +++ b/litellm-rust/crates/core/tests/ocr.rs @@ -1,7 +1,7 @@ use std::sync::{Arc, Mutex}; -use litellm_callbacks::{ - event::{CallEvent, WireRequest}, +use litellm_host::{ + event::{CallEvent, MachineEvent, WireRequest}, host::{Host, HostOp, HostResult}, machine::{HostFailure, Machine, MachineStep}, }; @@ -81,7 +81,7 @@ fn request_boundary_selects_mistral_and_rejects_unknown_providers() { let request = OcrWireRequest { model: "mistral/model".into(), document: json!({"type":"document_url","document_url":"https://example.com/doc.pdf"}), - api_key: Some("key".into()), + api_key: Some(litellm_auth::SecretValue::new("key")), api_base: None, custom_llm_provider: None, extra_headers: None, @@ -97,7 +97,7 @@ fn request_boundary_selects_mistral_and_rejects_unknown_providers() { decode_request(OcrWireRequest { model: "model".into(), document: json!({"type":"document_url","document_url":"https://example.com/doc.pdf"}), - api_key: Some("key".into()), + api_key: Some(litellm_auth::SecretValue::new("key")), api_base: None, custom_llm_provider: Some("unknown".into()), extra_headers: None, @@ -194,7 +194,8 @@ async fn facade_uses_the_injected_http_client() { fn event_name(event: &CallEvent) -> &'static str { match event { - CallEvent::ResponseReceived { .. } => "response", + CallEvent::Started { .. } => "started", + CallEvent::Machine(MachineEvent::ResponseReceived { .. }) => "response", CallEvent::Succeeded { .. } => "success", CallEvent::Failed { .. } => "failure", } @@ -235,7 +236,7 @@ async fn lifecycle_sends_headers_returned_by_the_before_send_operation() { } #[tokio::test] -async fn before_send_context_names_passthrough_fields_and_secrets() { +async fn before_send_context_names_the_route_and_its_secrets() { let (base, _, server) = mock_server(vec![MockResponse::json(json!({"pages":[]}))]).await; let observed = Arc::new(Mutex::new(None)); let captured = observed.clone(); @@ -254,8 +255,6 @@ async fn before_send_context_names_passthrough_fields_and_secrets() { assert_eq!(context.custom_llm_provider, "mistral"); assert_eq!(context.model, "model"); assert_eq!(wire.body["pages"], json!([0])); - assert!(context.passthrough_fields.contains("pages")); - assert!(context.passthrough_fields.contains("document")); assert!(context.secret_fields.is_empty()); assert_eq!(context.optional_params["req_format"], "native"); @@ -279,7 +278,6 @@ async fn before_send_context_names_passthrough_fields_and_secrets() { perform_ocr_with(host).await.unwrap(); server.await.unwrap(); let context = observed.lock().unwrap().take().unwrap(); - assert!(!context.passthrough_fields.contains("document")); assert_eq!(context.secret_fields, ["client_secret"]); } @@ -296,7 +294,7 @@ async fn lifecycle_orders_hooks_and_emits_one_success() { server.await.unwrap(); assert_eq!( *events.lock().unwrap(), - ["before_send", "response", "success"] + ["started", "before_send", "response", "success"] ); assert_eq!(seen.lock().unwrap().len(), 1); } @@ -311,7 +309,10 @@ async fn lifecycle_blocking_prevents_execution_and_emits_one_failure() { ); let error = perform_ocr_with(host).await.unwrap_err(); assert!(matches!(error, OcrError::InvalidRequest(message) if message == "blocked")); - assert_eq!(*events.lock().unwrap(), ["before_send", "failure"]); + assert_eq!( + *events.lock().unwrap(), + ["started", "before_send", "failure"] + ); } #[tokio::test] @@ -330,7 +331,10 @@ async fn upstream_failure_emits_one_terminal_failure() { ); assert!(perform_ocr_with(host).await.is_err()); server.await.unwrap(); - assert_eq!(*events.lock().unwrap(), ["before_send", "failure"]); + assert_eq!( + *events.lock().unwrap(), + ["started", "before_send", "failure"] + ); assert_eq!(seen.lock().unwrap().len(), 1); } @@ -371,6 +375,7 @@ async fn drive_until( intercept(*wire).map(|wire| HostResult::BeforeSend(Box::new(wire))) } HostOp::Emit(event) => { + let event = CallEvent::Machine(event); ops.push(event_name(&event)); host.emit(&event) .await @@ -414,7 +419,7 @@ async fn invalid_provider_response_emits_response_received_before_normalization_ let observed = responses_received.clone(); let host = LocalOcrHost::new(wire_request("mistral/model", &base, json!({}))).with_observer( move |event| { - if let CallEvent::ResponseReceived { raw } = event { + if let CallEvent::Machine(MachineEvent::ResponseReceived { raw }) = event { observed.lock().unwrap().push(raw.body.clone()); } }, @@ -815,7 +820,7 @@ impl Host for CallerTokenHost { async fn before_send( &self, wire: WireRequest, - _: &litellm_callbacks::event::RequestContext, + _: &litellm_host::event::RequestContext, ) -> Result { let is_authorization = |name: &str| name.eq_ignore_ascii_case("authorization"); let authorization = wire @@ -850,7 +855,7 @@ async fn the_callers_azure_token_is_acquired_before_before_send_which_can_still_ trace: Mutex::new(Vec::new()), }; - litellm_callbacks::run::run(ocr_machine(ocr_client()), &host) + litellm_host::run::run(ocr_machine(ocr_client()), &host) .await .unwrap(); server.await.unwrap(); diff --git a/litellm-rust/crates/core/tests/ocr/document.rs b/litellm-rust/crates/core/tests/ocr/document.rs new file mode 100644 index 00000000000..855548dc6bf --- /dev/null +++ b/litellm-rust/crates/core/tests/ocr/document.rs @@ -0,0 +1,152 @@ +use litellm_host::event::WireRequest; +use litellm_llms::base_llm::ocr::error::Error; +use rstest::rstest; +use serde_json::{Value, json}; + +use super::test_support::{ + MockResponse, SERVED_DOCUMENT, document_server, mock_server, perform_ocr_with, request_body, + wire_request_with_document, +}; +use crate::ocr::route::LocalOcrHost; + +#[derive(Clone, Copy, Debug)] +enum Route { + Mistral, + AzureAi, + VertexMistral, + AzureCohereParse, + Cohere, +} + +impl Route { + fn model(self) -> &'static str { + match self { + Self::Mistral => "mistral/model", + Self::AzureAi => "azure_ai/model", + Self::VertexMistral => "vertex_ai/mistral-ocr-maas", + Self::AzureCohereParse => "azure_ai/cohere-parse", + Self::Cohere => "cohere/model", + } + } + + fn document_type(self) -> &'static str { + match self { + Self::Mistral | Self::AzureAi | Self::VertexMistral => "document_url", + Self::AzureCohereParse | Self::Cohere => "image_url", + } + } + + fn options(self) -> Value { + match self { + Self::Mistral | Self::AzureAi => json!({"pages": [0]}), + Self::VertexMistral => json!({"pages": [0], "vertex_project": "project-1"}), + Self::AzureCohereParse | Self::Cohere => json!({"output_format": "markdown"}), + } + } +} + +/// What the host does to the wire request in `before_send`. +#[derive(Clone, Copy, Debug)] +enum Host { + Detached, + ReplacesDocument, +} + +const REPLACED_DOCUMENT: &str = "data:image/png;base64,cmVwbGFjZWQ="; + +impl Host { + fn before_send(self, wire: WireRequest) -> WireRequest { + let Value::Object(fields) = wire.body else { + return wire; + }; + let body = fields + .into_iter() + .map(|(name, value)| match self { + Self::Detached => (name, value), + Self::ReplacesDocument if name == "document" => { + let document_type = value["type"].clone(); + let key = document_type.as_str().unwrap_or_default().to_string(); + (name, json!({"type": document_type, key: REPLACED_DOCUMENT})) + } + Self::ReplacesDocument => (name, value), + }) + .collect(); + WireRequest { + body: Value::Object(body), + ..wire + } + } +} + +struct Sent { + result: Result<(), Error>, + provider_body: Option, +} + +async fn send(route: Route, host: Host, document_base: &str) -> Sent { + let (base, seen, provider) = mock_server(vec![MockResponse::json(json!({"pages": []}))]).await; + let document_type = route.document_type(); + let document = + json!({"type": document_type, document_type: format!("{document_base}/scan.png")}); + let request = wire_request_with_document(route.model(), &base, document, route.options()); + let local = + LocalOcrHost::new(request).with_before_send(move |wire, _| Ok(host.before_send(wire))); + let result = perform_ocr_with(local).await.map(|_| ()); + match result { + Ok(()) => provider.await.unwrap(), + Err(_) => provider.abort(), + } + let provider_body = seen + .lock() + .unwrap() + .first() + .map(|request| request_body(request)); + Sent { + result, + provider_body, + } +} + +fn served_document_uri() -> String { + use base64::Engine; + format!( + "data:image/png;base64,{}", + base64::engine::general_purpose::STANDARD.encode(SERVED_DOCUMENT) + ) +} + +#[rstest] +#[case::azure_ai(Route::AzureAi)] +#[case::vertex_mistral(Route::VertexMistral)] +#[case::azure_cohere_parse(Route::AzureCohereParse)] +#[tokio::test] +async fn inlining_routes_send_the_downloaded_document(#[case] route: Route) { + let (document_base, _documents) = document_server().await; + let sent = send(route, Host::Detached, &document_base).await; + sent.result.unwrap(); + assert_eq!( + sent.provider_body.unwrap()["document"][route.document_type()], + json!(served_document_uri()) + ); +} + +#[rstest] +#[tokio::test] +async fn document_replaced_by_the_host_reaches_the_provider( + #[values( + Route::Mistral, + Route::AzureAi, + Route::VertexMistral, + Route::AzureCohereParse, + Route::Cohere + )] + route: Route, +) { + let (document_base, _documents) = document_server().await; + let sent = send(route, Host::ReplacesDocument, &document_base).await; + sent.result.unwrap(); + assert_eq!( + sent.provider_body.unwrap()["document"][route.document_type()], + json!(REPLACED_DOCUMENT) + ); +} diff --git a/litellm-rust/crates/core/tests/ocr/passthrough.rs b/litellm-rust/crates/core/tests/ocr/passthrough.rs deleted file mode 100644 index 0273b48664d..00000000000 --- a/litellm-rust/crates/core/tests/ocr/passthrough.rs +++ /dev/null @@ -1,282 +0,0 @@ -use std::{ - collections::BTreeSet, - sync::{Arc, Mutex}, -}; - -use litellm_callbacks::event::{RequestContext, WireRequest}; -use litellm_llms::base_llm::ocr::error::Error; -use rstest::rstest; -use rstest_reuse::{self, apply, template}; -use serde_json::{Map, Value, json}; - -use super::test_support::{ - MockResponse, SERVED_DOCUMENT, document_server, mock_server, perform_ocr_with, request_body, - wire_request_with_document, -}; -use crate::ocr::route::LocalOcrHost; - -#[derive(Clone, Copy, Debug)] -enum Route { - Mistral, - AzureAi, - VertexMistral, - AzureCohereParse, - Cohere, -} - -impl Route { - fn model(self) -> &'static str { - match self { - Self::Mistral => "mistral/model", - Self::AzureAi => "azure_ai/model", - Self::VertexMistral => "vertex_ai/mistral-ocr-maas", - Self::AzureCohereParse => "azure_ai/cohere-parse", - Self::Cohere => "cohere/model", - } - } - - fn document_type(self) -> &'static str { - match self { - Self::Mistral | Self::AzureAi | Self::VertexMistral => "document_url", - Self::AzureCohereParse | Self::Cohere => "image_url", - } - } - - fn options(self) -> Value { - match self { - Self::Mistral | Self::AzureAi => json!({"pages": [0]}), - Self::VertexMistral => json!({"pages": [0], "vertex_project": "project-1"}), - Self::AzureCohereParse | Self::Cohere => json!({"output_format": "markdown"}), - } - } -} - -#[derive(Clone, Copy, Debug)] -enum Source { - Inline, - Remote, - RemoteWithExtraField, -} - -/// What the host does to the wire request in `before_send`. -#[derive(Clone, Copy, Debug)] -enum Host { - Detached, - /// What `litellm-callbacks-legacy` does before `pre_call`: every passthrough body key - /// is replaced by the caller's own value. - Realiasing, - ReplacesDocument, -} - -const REPLACED_DOCUMENT: &str = "data:image/png;base64,cmVwbGFjZWQ="; - -impl Host { - fn before_send( - self, - caller: &Map, - wire: WireRequest, - context: &RequestContext, - ) -> WireRequest { - let Value::Object(fields) = wire.body else { - return wire; - }; - let body = fields - .into_iter() - .map(|(name, value)| match self { - Self::Detached => (name, value), - Self::Realiasing => { - let aliased = context - .passthrough_fields - .contains(&name) - .then(|| caller.get(&name).cloned()) - .flatten() - .unwrap_or(value); - (name, aliased) - } - Self::ReplacesDocument if name == "document" => { - let document_type = value["type"].clone(); - let key = document_type.as_str().unwrap_or_default().to_string(); - (name, json!({"type": document_type, key: REPLACED_DOCUMENT})) - } - Self::ReplacesDocument => (name, value), - }) - .collect(); - WireRequest { - body: Value::Object(body), - ..wire - } - } -} - -struct Sent { - caller: Map, - result: Result<(), Error>, - before_send: Option<(WireRequest, RequestContext)>, - provider_body: Option, -} - -fn caller_document(route: Route, source: Source, document_base: &str) -> Value { - let document_type = route.document_type(); - let remote = format!("{document_base}/scan.png"); - match source { - Source::Inline => { - json!({"type": document_type, document_type: "data:image/png;base64,YWJj"}) - } - Source::Remote => json!({"type": document_type, document_type: remote}), - Source::RemoteWithExtraField => { - json!({"type": document_type, document_type: remote, "document_name": "scan.png"}) - } - } -} - -async fn send(route: Route, source: Source, host: Host, document_base: &str) -> Sent { - let (base, seen, provider) = mock_server(vec![MockResponse::json(json!({"pages": []}))]).await; - let document = caller_document(route, source, document_base); - let caller: Map = route - .options() - .as_object() - .unwrap() - .clone() - .into_iter() - .chain([("document".to_string(), document.clone())]) - .collect(); - let observed = Arc::new(Mutex::new(None)); - let captured = observed.clone(); - let host_caller = caller.clone(); - let request = wire_request_with_document(route.model(), &base, document, route.options()); - let local = LocalOcrHost::new(request).with_before_send(move |wire, context| { - *captured.lock().unwrap() = Some((wire.clone(), context.clone())); - Ok(host.before_send(&host_caller, wire, context)) - }); - let result = perform_ocr_with(local).await.map(|_| ()); - match result { - Ok(()) => provider.await.unwrap(), - Err(_) => provider.abort(), - } - let provider_body = seen - .lock() - .unwrap() - .first() - .map(|request| request_body(request)); - let before_send = observed.lock().unwrap().take(); - Sent { - caller, - result, - before_send, - provider_body, - } -} - -fn served_document_uri() -> String { - use base64::Engine; - format!( - "data:image/png;base64,{}", - base64::engine::general_purpose::STANDARD.encode(SERVED_DOCUMENT) - ) -} - -#[template] -#[rstest] -fn every_route_and_source( - #[values( - Route::Mistral, - Route::AzureAi, - Route::VertexMistral, - Route::AzureCohereParse, - Route::Cohere - )] - route: Route, - #[values(Source::Inline, Source::Remote, Source::RemoteWithExtraField)] source: Source, -) { -} - -#[template] -#[rstest] -fn every_route( - #[values( - Route::Mistral, - Route::AzureAi, - Route::VertexMistral, - Route::AzureCohereParse, - Route::Cohere - )] - route: Route, -) { -} - -#[template] -#[rstest] -#[case::azure_ai(Route::AzureAi)] -#[case::vertex_mistral(Route::VertexMistral)] -#[case::azure_cohere_parse(Route::AzureCohereParse)] -fn inlining_routes(#[case] route: Route) {} - -#[apply(every_route_and_source)] -#[tokio::test] -async fn passthrough_fields_are_exactly_the_caller_values_sent_unchanged( - route: Route, - source: Source, -) { - let (document_base, _documents) = document_server().await; - let sent = send(route, source, Host::Detached, &document_base).await; - sent.result.unwrap(); - let (wire, context) = sent.before_send.unwrap(); - let passthrough: BTreeSet<&str> = context.passthrough_fields.iter().collect(); - let unchanged: BTreeSet<&str> = sent - .caller - .iter() - .filter(|(name, value)| wire.body.get(name.as_str()) == Some(*value)) - .map(|(name, _)| name.as_str()) - .collect(); - assert_eq!( - passthrough, - unchanged, - "body: {:#}\ncaller: {:#}", - wire.body, - Value::Object(sent.caller.clone()) - ); -} - -#[apply(every_route_and_source)] -#[tokio::test] -async fn realiasing_leaves_the_provider_request_unchanged(route: Route, source: Source) { - let (document_base, _documents) = document_server().await; - let detached = send(route, source, Host::Detached, &document_base).await; - let realiased = send(route, source, Host::Realiasing, &document_base).await; - detached.result.unwrap(); - realiased.result.unwrap(); - assert_eq!(realiased.provider_body, detached.provider_body); -} - -#[apply(inlining_routes)] -#[tokio::test] -async fn inlining_routes_send_the_downloaded_document( - route: Route, - #[values(Host::Detached, Host::Realiasing)] host: Host, -) { - let (document_base, _documents) = document_server().await; - let sent = send(route, Source::Remote, host, &document_base).await; - sent.result.unwrap(); - assert_eq!( - sent.provider_body.unwrap()["document"][route.document_type()], - json!(served_document_uri()) - ); -} - -#[apply(every_route)] -#[tokio::test] -async fn document_replaced_by_the_host_reaches_the_provider(route: Route) { - let (document_base, _documents) = document_server().await; - let sent = send( - route, - Source::Remote, - Host::ReplacesDocument, - &document_base, - ) - .await; - sent.result.unwrap(); - assert_eq!( - sent.provider_body.unwrap()["document"][route.document_type()], - json!(REPLACED_DOCUMENT) - ); -} diff --git a/litellm-rust/crates/core/tests/ocr/support.rs b/litellm-rust/crates/core/tests/ocr/support.rs index f3adf27cfa6..b368a754656 100644 --- a/litellm-rust/crates/core/tests/ocr/support.rs +++ b/litellm-rust/crates/core/tests/ocr/support.rs @@ -1,7 +1,7 @@ use std::sync::{Arc, Mutex}; use futures_util::future::BoxFuture; -use litellm_callbacks::event::{Passthrough, WireRequest}; +use litellm_host::event::WireRequest; use litellm_llms::{ base_llm::ocr::{error::Error, transformation::LiteLLMOcrResponse}, custom_httpx::llm_http_handler::{CallHooks, OcrClient}, @@ -23,11 +23,7 @@ use crate::ocr::{ pub(crate) struct NoHooks; impl CallHooks for NoHooks { - fn before_send( - &self, - wire: WireRequest, - _passthrough_fields: Passthrough, - ) -> BoxFuture<'_, Result> { + fn before_send(&self, wire: WireRequest) -> BoxFuture<'_, Result> { Box::pin(async move { Ok(wire) }) } @@ -49,7 +45,7 @@ pub(crate) async fn perform_ocr(request: LiteLLMOcrRequest) -> Result Result { - litellm_callbacks::run::run(ocr_machine(ocr_client()), &host).await + litellm_host::run::run(ocr_machine(ocr_client()), &host).await } pub(crate) fn wire_request(model: &str, base: &str, options: Value) -> LiteLLMOcrRequest { @@ -70,7 +66,7 @@ pub(crate) fn wire_request_with_document( decode_request(OcrWireRequest { model: model.into(), document, - api_key: Some("test-key".into()), + api_key: Some(litellm_auth::SecretValue::new("test-key")), api_base: Some(base.into()), custom_llm_provider: None, extra_headers: None, diff --git a/litellm-rust/crates/core/tests/reducto_ocr.rs b/litellm-rust/crates/core/tests/reducto_ocr.rs index 59891b16e90..83e7754122b 100644 --- a/litellm-rust/crates/core/tests/reducto_ocr.rs +++ b/litellm-rust/crates/core/tests/reducto_ocr.rs @@ -1,4 +1,4 @@ -use litellm_callbacks::event::{CallEvent, WireRequest}; +use litellm_host::event::{CallEvent, MachineEvent, WireRequest}; use litellm_llms::base_llm::ocr::{error::Error, transformation::OcrDocument}; use rstest::rstest; use serde_json::{Value, json}; @@ -139,7 +139,7 @@ async fn response_received_stays_after_reducto_upload_and_parse() { let request_count = seen.clone(); let host = LocalOcrHost::new(wire_request("reducto/parse-v3", &base, json!({}))).with_observer( move |event| { - if let CallEvent::ResponseReceived { raw } = event { + if let CallEvent::Machine(MachineEvent::ResponseReceived { raw }) = event { assert_eq!(request_count.lock().unwrap().len(), 2); assert_eq!(raw.body, r#"{"result":{"chunks":[]}}"#); } @@ -351,7 +351,7 @@ async fn guardrail_rewrites_document_before_upload() { } mod transformation { - use litellm_callbacks::event::{CallEvent, WireRequest}; + use litellm_host::event::{CallEvent, MachineEvent, WireRequest}; use litellm_llms::{ base_llm::ocr::transformation::{BaseOcrConfig, OcrConnection, OcrRequestContext}, reducto::ocr::transformation::*, @@ -506,7 +506,7 @@ mod transformation { let request_count = seen.clone(); let host = LocalOcrHost::new(wire_request("reducto/parse-v3", &base, json!({}))) .with_observer(move |event| { - if let CallEvent::ResponseReceived { raw } = event { + if let CallEvent::Machine(MachineEvent::ResponseReceived { raw }) = event { assert_eq!(request_count.lock().unwrap().len(), 2); assert_eq!(raw.body, r#"{"result":{"chunks":[]}}"#); } diff --git a/litellm-rust/crates/host-python/AGENTS.md b/litellm-rust/crates/host-python/AGENTS.md index a3fdd2340b3..5aca13eeb18 100644 --- a/litellm-rust/crates/host-python/AGENTS.md +++ b/litellm-rust/crates/host-python/AGENTS.md @@ -1,9 +1,10 @@ - Target invariants; implementation and runtime validation may lag these rules -- Keep this crate the CPython runtime adapter and nothing more: Serde marshalling, interpreter detachment, tokio/asyncio glue, the `Execution` handle, the call driver and the `CallbackAdapter`/`RouteHost` traits - - No LiteLLM domain dependencies beyond `litellm-callbacks`: no route types, no `Logging` policy, no public API registration, no cdylib build features +- Keep this crate the CPython runtime adapter and nothing more: Serde marshalling, interpreter detachment, tokio/asyncio glue, the `Execution` handle, the call driver and the `PythonLifecycle`/`RouteHost` traits + - No LiteLLM domain dependencies beyond `litellm-host`: no route types, no `Logging` policy, no public API registration, no cdylib build features - The driver emits `Succeeded` or `Failed` exactly once and never dispatches after a cancellation; which Python objects consume those events is the adapter's business - `RouteHost::invoke` receives the keyword view the adapter's `begin` returned, not the caller's dict; a route host that projects from it inherits that adapter's rewrites (for the legacy adapter: setup, deployment hooks, credential inheritance) - - A failure that surfaces inside the call, including a host op the call asked for, is mapped through the route's `map_failure`; a failure in `begin` or `after_success` is raised as is + - A native failure, including one a host op returns as `InvokeError::Native`, is classified exactly once through the route's `classify`; a Python exception raised inside the call, and a failure in `begin` or `after_success`, is raised as is + - A failing `classify` is raised with the native error's text as its `__context__`, never swallowed - Use standard PyO3 ownership and conversion APIs - Prefer `Bound<'py, T>` for attached operations/results, `Py` for retention; binding/unbinding does not copy payloads - Use `pythonize` for selected Serde data, never a JSON-text round trip; share conversion with `Pythonized` diff --git a/litellm-rust/crates/host-python/Cargo.toml b/litellm-rust/crates/host-python/Cargo.toml index ae0cebada59..e2c83fe1081 100644 --- a/litellm-rust/crates/host-python/Cargo.toml +++ b/litellm-rust/crates/host-python/Cargo.toml @@ -7,7 +7,7 @@ repository.workspace = true [dependencies] futures-util.workspace = true -litellm-callbacks.workspace = true +litellm-host.workspace = true pyo3.workspace = true pyo3-async-runtimes.workspace = true pythonize.workspace = true diff --git a/litellm-rust/crates/host-python/src/adapter.rs b/litellm-rust/crates/host-python/src/adapter.rs index f1bc3142a25..3a4cb49be4d 100644 --- a/litellm-rust/crates/host-python/src/adapter.rs +++ b/litellm-rust/crates/host-python/src/adapter.rs @@ -1,5 +1,5 @@ -use litellm_callbacks::event::{CallEvent, RequestContext, Timing, WireRequest}; -use litellm_callbacks::route::Route; +use litellm_host::event::{FailureOrigin, MachineEvent, RequestContext, Timing, WireRequest}; +use litellm_host::route::Route; use pyo3::exceptions::PyRuntimeError; use pyo3::gc::{PyTraverseError, PyVisit}; use pyo3::prelude::*; @@ -11,7 +11,7 @@ pub fn missing_state() -> PyErr { /// What an adapter step produced: either the value the driver asked for, or a Python /// awaitable the driver hands back to the caller's task before asking again. -pub enum AdapterStep { +pub enum LifecycleStep { Await(Py), Arguments(Py), Wire(Box), @@ -19,64 +19,97 @@ pub enum AdapterStep { Done, } -/// The host-typed value the driver attaches to a terminal event. -pub enum PublicValue<'a> { - Response(&'a Py), - Error(&'a PyErr), +/// What a lifecycle observes: the driver's start, the machine's own events, and one +/// terminal event carrying the public value the caller receives. +pub enum LifecycleEvent<'a> { + Started { + start_time: f64, + }, + Machine(&'a MachineEvent), + Succeeded { + timing: Timing, + response: &'a Py, + }, + Failed { + timing: Timing, + origin: FailureOrigin, + error: &'a PyErr, + }, } /// One consumer of a call's lifecycle on the Python side. The driver calls the steps in /// order: `begin` before the machine starts, `before_send` and `emit` while it runs, /// `after_success` and one terminal `emit` after it completes. Whenever a step returns -/// [`AdapterStep::Await`], the driver awaits it in the caller's task and continues the +/// [`LifecycleStep::Await`], the driver awaits it in the caller's task and continues the /// same step through `resume`. /// /// A step that fails with an ordinary exception fails the call with that exception, /// except on a terminal event, where the adapter is expected to report and swallow its /// own errors. An exception that is not a `PyException`, such as a cancellation, ends /// the call without further dispatch. -pub trait CallbackAdapter: Send + Sync { +pub trait PythonLifecycle: Send + Sync { fn begin( &mut self, py: Python<'_>, arguments: Py, started_at: f64, - ) -> PyResult; + ) -> PyResult; fn before_send( &mut self, py: Python<'_>, wire: Box, context: &RequestContext, - ) -> PyResult; + ) -> PyResult; fn after_success( &mut self, py: Python<'_>, response: Py, timing: Timing, - ) -> PyResult; + ) -> PyResult; - fn emit( - &mut self, - py: Python<'_>, - event: &CallEvent, - public: Option>, - ) -> PyResult; + fn emit(&mut self, py: Python<'_>, event: LifecycleEvent<'_>) -> PyResult; - fn resume(&mut self, py: Python<'_>, result: PyResult>) -> PyResult; + /// The call streams and its stream was handed to the caller. The caller is not + /// inside an await here, so this step and `delivered` cannot suspend. + fn opened(&mut self, py: Python<'_>) -> PyResult<()>; + + /// One chunk of an open stream is about to reach the caller. + fn delivered(&mut self, py: Python<'_>, chunk: &Py) -> PyResult<()>; + + fn resume(&mut self, py: Python<'_>, result: PyResult>) -> PyResult; fn close(&mut self, py: Python<'_>); fn traverse(&self, visit: &PyVisit<'_>) -> Result<(), PyTraverseError>; } -/// The Python side of one route: answers the route's own operations, builds the public -/// response and maps failures to public exceptions. -pub trait RouteHost: Send + Sync { - type Route: Route; +/// Why a route operation the host answered did not produce a result: the route's own code +/// rejected it, which the route classifies like any other native failure, or Python code +/// raised, which reaches the caller as it was raised. +#[derive(Debug)] +pub enum InvokeError { + Native(E), + Python(PyErr), +} - /// `arguments` is the keyword view the callback adapter's `begin` produced, not the +impl From for InvokeError { + fn from(error: PyErr) -> Self { + Self::Python(error) + } +} + +/// The Python side of one route: answers the route's own operations, builds the public +/// response and classifies native failures into public exceptions. +pub trait RouteHost: Send + Sync { + type Route: Route; + + /// The public exception a native failure maps to, kept as a value until the driver + /// raises it. + type Failure: Into; + + /// `arguments` is the keyword view the lifecycle's `begin` produced, not the /// caller's own dict. A route host that projects from it inherits whatever that /// adapter rewrote. fn invoke( @@ -84,7 +117,7 @@ pub trait RouteHost: Send + Sync { py: Python<'_>, arguments: &Bound<'_, PyDict>, op: ::Op, - ) -> PyResult<::OpResult>; + ) -> Result<::OpResult, InvokeError<::Error>>; fn complete( &mut self, @@ -92,12 +125,21 @@ pub trait RouteHost: Send + Sync { response: ::Response, ) -> PyResult>; - fn native_error(error: ::Error) -> PyErr; + /// One streamed chunk as the caller receives it. + fn chunk( + &mut self, + py: Python<'_>, + chunk: ::Chunk, + ) -> PyResult>; + + fn classify( + &self, + py: Python<'_>, + error: ::Error, + ) -> PyResult; fn host_error(error: &PyErr) -> ::Error; - fn map_failure(&self, py: Python<'_>, error: &PyErr) -> PyResult; - fn close(&mut self, py: Python<'_>); fn traverse(&self, visit: &PyVisit<'_>) -> Result<(), PyTraverseError>; diff --git a/litellm-rust/crates/host-python/src/argument.rs b/litellm-rust/crates/host-python/src/argument.rs new file mode 100644 index 00000000000..34e07cdfbd5 --- /dev/null +++ b/litellm-rust/crates/host-python/src/argument.rs @@ -0,0 +1,51 @@ +use pyo3::{prelude::*, types::PyDict}; + +/// The caller's own object for a public argument: the keyword if given, even an explicit +/// `None`, else the bound request's attribute. Every reader of a public Python call uses +/// this rule, so the callbacks and the provider see one object per argument. +pub fn lookup<'py>( + kwargs: &Bound<'py, PyDict>, + request: &Bound<'py, PyAny>, + name: &str, +) -> PyResult>> { + if let Some(value) = kwargs.get_item(name)? { + return Ok(Some(value)); + } + request.getattr_opt(name) +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn lookup_prefers_the_keyword_even_when_none_and_falls_back_to_the_request() { + crate::initialize_python(); + Python::attach(|py| { + let locals = PyDict::new(py); + py.run( + c" +key = object() +document = {'type': 'document_url'} +class Request: + api_key = 'from-request' + api_base = 'from-request' + document = document +request = Request() +kwargs = {'api_key': key, 'api_base': None} +", + Some(&locals), + Some(&locals), + ) + .unwrap(); + let item = |name: &str| locals.get_item(name).unwrap().unwrap(); + let kwargs = item("kwargs").cast_into::().unwrap(); + let request = item("request"); + let find = |name: &str| lookup(&kwargs, &request, name).unwrap(); + assert!(find("api_key").unwrap().is(item("key"))); + assert!(find("api_base").unwrap().is_none()); + assert!(find("document").unwrap().is(item("document"))); + assert!(find("model").is_none()); + }); + } +} diff --git a/litellm-rust/crates/host-python/src/driver.rs b/litellm-rust/crates/host-python/src/driver.rs index 8bda13b44d0..392d36e10f4 100644 --- a/litellm-rust/crates/host-python/src/driver.rs +++ b/litellm-rust/crates/host-python/src/driver.rs @@ -2,17 +2,19 @@ use std::sync::Arc; use std::task::Poll; use futures_util::future::{AbortHandle, Abortable}; -use litellm_callbacks::event::{CallEvent, FailureOrigin, Timing, epoch_seconds}; -use litellm_callbacks::host::{HostOp, HostResult, HostStep}; -use litellm_callbacks::machine::{HostFailure, Machine, MachineStep}; -use litellm_callbacks::route::Route; +use litellm_host::event::{FailureOrigin, Timing, epoch_seconds}; +use litellm_host::host::{Demand, HostOp, HostResult, HostStep}; +use litellm_host::machine::{HostFailure, Machine, MachineStep}; +use litellm_host::route::Route; use pyo3::exceptions::{PyBaseException, PyException, PyRuntimeError}; use pyo3::gc::{PyTraverseError, PyVisit}; use pyo3::prelude::*; use pyo3::types::PyDict; use tokio::sync::Mutex; -use crate::adapter::{AdapterStep, CallbackAdapter, PublicValue, RouteHost, missing_state}; +use crate::adapter::{ + InvokeError, LifecycleEvent, LifecycleStep, PythonLifecycle, RouteHost, missing_state, +}; use crate::execution::{poll_async_value, run_async_value, run_sync_value}; use crate::handle::{Execution, ExecutionBody, ExecutionStep}; @@ -36,6 +38,7 @@ struct MachineState { enum Stage { Begin, Call, + Streaming, AfterSuccess, Succeeded(Py), Failed(Py), @@ -43,6 +46,7 @@ enum Stage { #[derive(Clone, Copy)] enum Expect { + Started, Arguments, Wire, Emitted, @@ -53,6 +57,8 @@ enum Expect { enum Pending { Native, Adapter(Expect), + /// The stream handed to the caller waits for its next read or its close. + Consumer, } enum Next { @@ -66,7 +72,7 @@ where M: Machine> + 'static, { route: H, - adapter: Box, + adapter: Box, machine: Option>>>, arguments: Option>, started_at: f64, @@ -84,7 +90,7 @@ pub fn run_call( py: Python<'_>, machine: M, route: H, - adapter: Box, + adapter: Box, arguments: Py, asynchronous: bool, ) -> PyResult> @@ -118,7 +124,14 @@ where } match driver.resume(None)? { ExecutionStep::Return(value) => Ok(value), - ExecutionStep::Await(_) => Err(PyRuntimeError::new_err("sync call suspended")), + ExecutionStep::Open => py + .import("litellm.rust_bridge.lifecycle")? + .getattr("SyncStream")? + .call1((Py::new(py, Execution::suspended(driver))?,)) + .map(Bound::unbind), + ExecutionStep::Await(_) | ExecutionStep::Yield(_) => { + Err(PyRuntimeError::new_err("sync call suspended")) + } } } @@ -146,9 +159,11 @@ where match (self.pending.take(), result) { (None, None) => { self.started_at = epoch_seconds(); - let arguments = self.arguments.take().ok_or_else(missing_state)?; - match self.adapter.begin(py, arguments, self.started_at) { - Ok(step) => self.on_adapter(py, step, Expect::Arguments), + let started = LifecycleEvent::Started { + start_time: self.started_at, + }; + match self.adapter.emit(py, started) { + Ok(step) => self.on_adapter(py, step, Expect::Started), Err(error) => self.adapter_failed(py, error), } } @@ -157,6 +172,14 @@ where self.run_steps(py, HostStep::Ready(result)) } (Some(Pending::Native), Some(Err(error))) => self.interrupt(py, error), + (Some(Pending::Consumer), Some(read)) => { + let demand = if read.is_ok() { + Demand::More + } else { + Demand::Detached + }; + self.resume_machine(py, Some(Ok(HostResult::Demand(demand)))) + } (Some(Pending::Adapter(expect)), Some(result)) => { match self.adapter.resume(py, result) { Ok(step) => self.on_adapter(py, step, expect), @@ -170,27 +193,28 @@ where fn on_adapter( &mut self, py: Python<'_>, - step: AdapterStep, + step: LifecycleStep, expect: Expect, ) -> PyResult { match (expect, step) { - (_, AdapterStep::Await(awaitable)) => { + (_, LifecycleStep::Await(awaitable)) => { self.pending = Some(Pending::Adapter(expect)); Ok(ExecutionStep::Await(awaitable)) } - (Expect::Arguments, AdapterStep::Arguments(arguments)) => { + (Expect::Started, LifecycleStep::Done) => self.begin(py), + (Expect::Arguments, LifecycleStep::Arguments(arguments)) => { self.arguments = Some(arguments); self.stage = Stage::Call; self.resume_machine(py, None) } - (Expect::Wire, AdapterStep::Wire(wire)) => { + (Expect::Wire, LifecycleStep::Wire(wire)) => { self.resume_machine(py, Some(Ok(HostResult::BeforeSend(wire)))) } - (Expect::Emitted, AdapterStep::Done) => { + (Expect::Emitted, LifecycleStep::Done) => { self.resume_machine(py, Some(Ok(HostResult::Emitted))) } - (Expect::Response, AdapterStep::Response(response)) => self.succeeded(py, response), - (Expect::Terminal, AdapterStep::Done) => match &self.stage { + (Expect::Response, LifecycleStep::Response(response)) => self.succeeded(py, response), + (Expect::Terminal, LifecycleStep::Done) => match &self.stage { Stage::Succeeded(response) => Ok(ExecutionStep::Return(response.clone_ref(py))), Stage::Failed(error) => Err(PyErr::from_value(error.bind(py).clone().into_any())), _ => Err(missing_state()), @@ -199,10 +223,18 @@ where } } + fn begin(&mut self, py: Python<'_>) -> PyResult { + let arguments = self.arguments.take().ok_or_else(missing_state)?; + match self.adapter.begin(py, arguments, self.started_at) { + Ok(step) => self.on_adapter(py, step, Expect::Arguments), + Err(error) => self.adapter_failed(py, error), + } + } + fn adapter_failed(&mut self, py: Python<'_>, error: PyErr) -> PyResult { match self.stage { Stage::Begin | Stage::AfterSuccess => self.failure(py, error, FailureOrigin::Host), - Stage::Call => self.interrupt(py, error), + Stage::Call | Stage::Streaming => self.interrupt(py, error), Stage::Succeeded(_) | Stage::Failed(_) => Err(error), } } @@ -248,14 +280,20 @@ where let answer = match op { HostOp::Route(op) => { let arguments = self.arguments.as_ref().ok_or_else(missing_state)?; - self.route - .invoke(py, arguments.bind(py), op) - .map(HostResult::Route) + match self.route.invoke(py, arguments.bind(py), op) { + Ok(result) => Ok(HostResult::Route(result)), + Err(InvokeError::Native(error)) => { + return self + .resume_core(py, Some(Err(HostFailure::Error(error)))) + .map(Next::Continue); + } + Err(InvokeError::Python(error)) => Err(error), + } } HostOp::BeforeSend { wire, context } => { match self.adapter.before_send(py, wire, &context) { - Ok(AdapterStep::Wire(wire)) => Ok(HostResult::BeforeSend(wire)), - Ok(AdapterStep::Await(awaitable)) => { + Ok(LifecycleStep::Wire(wire)) => Ok(HostResult::BeforeSend(wire)), + Ok(LifecycleStep::Await(awaitable)) => { self.pending = Some(Pending::Adapter(Expect::Wire)); return Ok(Next::Return(ExecutionStep::Await(awaitable))); } @@ -263,9 +301,11 @@ where Err(error) => Err(error), } } - HostOp::Emit(event) => match self.adapter.emit(py, &event, None) { - Ok(AdapterStep::Done) => Ok(HostResult::Emitted), - Ok(AdapterStep::Await(awaitable)) => { + HostOp::Open(_) => return self.opened(py).map(Next::Return), + HostOp::Deliver(chunk) => return self.delivered(py, chunk).map(Next::Return), + HostOp::Emit(event) => match self.adapter.emit(py, LifecycleEvent::Machine(&event)) { + Ok(LifecycleStep::Done) => Ok(HostResult::Emitted), + Ok(LifecycleStep::Await(awaitable)) => { self.pending = Some(Pending::Adapter(Expect::Emitted)); return Ok(Next::Return(ExecutionStep::Await(awaitable))); } @@ -279,6 +319,35 @@ where } } + fn opened(&mut self, py: Python<'_>) -> PyResult { + self.stage = Stage::Streaming; + match self.adapter.opened(py) { + Ok(()) => { + self.pending = Some(Pending::Consumer); + Ok(ExecutionStep::Open) + } + Err(error) => self.interrupt(py, error), + } + } + + fn delivered( + &mut self, + py: Python<'_>, + chunk: as Route>::Chunk, + ) -> PyResult { + let chunk = match self.route.chunk(py, chunk) { + Ok(chunk) => chunk, + Err(error) => return self.interrupt(py, error), + }; + match self.adapter.delivered(py, &chunk) { + Ok(()) => { + self.pending = Some(Pending::Consumer); + Ok(ExecutionStep::Yield(chunk)) + } + Err(error) => self.interrupt(py, error), + } + } + fn interrupt(&mut self, py: Python<'_>, error: PyErr) -> PyResult { let cancelled = is_cancellation(py, &error); let native = H::host_error(&error); @@ -349,6 +418,9 @@ where Ok(public) => public, Err(error) => return self.failure(py, error, FailureOrigin::Call), }; + if let Stage::Streaming = self.stage { + return self.succeeded(py, public); + } self.stage = Stage::AfterSuccess; match self.adapter.after_success(py, public, self.timing()) { Ok(step) => self.on_adapter(py, step, Expect::Response), @@ -360,18 +432,35 @@ where self.ended_at.get_or_insert_with(epoch_seconds); let error = match self.interrupted.take() { Some(retained) => PyErr::from_value(retained.into_bound(py).into_any()), - None => H::native_error(error), + None => self.classified(py, error), }; self.failure(py, error, FailureOrigin::Call) } - fn succeeded(&mut self, py: Python<'_>, response: Py) -> PyResult { - let event = CallEvent::Succeeded { - timing: self.timing(), + /// The route's public exception for a native failure. When classification itself + /// fails, that failure is raised with the native error's text as its `__context__`. + fn classified(&self, py: Python<'_>, error: ErrorOf) -> PyErr { + let native = error.to_string(); + let classifier_error = match self.route.classify(py, error) { + Ok(failure) => return failure.into(), + Err(classifier_error) => classifier_error, }; - let step = self - .adapter - .emit(py, &event, Some(PublicValue::Response(&response)))?; + let attached = classifier_error.value(py).setattr( + "__context__", + PyRuntimeError::new_err(native).into_value(py), + ); + match attached { + Ok(()) => classifier_error, + Err(error) => error, + } + } + + fn succeeded(&mut self, py: Python<'_>, response: Py) -> PyResult { + let event = LifecycleEvent::Succeeded { + timing: self.timing(), + response: &response, + }; + let step = self.adapter.emit(py, event)?; self.stage = Stage::Succeeded(response); self.on_adapter(py, step, Expect::Terminal) } @@ -386,18 +475,13 @@ where if is_cancellation(py, &error) { return Err(error); } - let public = match origin { - FailureOrigin::Call => self.route.map_failure(py, &error).unwrap_or(error), - FailureOrigin::Host => error, - }; - let event = CallEvent::Failed { + let event = LifecycleEvent::Failed { timing: self.timing(), origin, + error: &error, }; - let step = self - .adapter - .emit(py, &event, Some(PublicValue::Error(&public)))?; - self.stage = Stage::Failed(public.into_value(py)); + let step = self.adapter.emit(py, event)?; + self.stage = Stage::Failed(error.into_value(py)); self.on_adapter(py, step, Expect::Terminal) } @@ -450,8 +534,8 @@ where mod tests { use std::sync::{Arc, Mutex}; - use litellm_callbacks::event::{RequestContext, WireRequest}; - use litellm_callbacks::machine::{Interrupted, Step}; + use litellm_host::event::{MachineEvent, RequestContext, WireRequest}; + use litellm_host::machine::{Interrupted, Step}; use pyo3::exceptions::{PyBaseException, PyValueError}; use pyo3::types::PyDict; @@ -489,6 +573,12 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri #[derive(Clone, Debug, PartialEq, Eq)] struct Error(String); + impl std::fmt::Display for Error { + fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + formatter.write_str(&self.0) + } + } + struct Synthetic; impl Route for Synthetic { @@ -496,6 +586,8 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri type Error = Error; type Op = &'static str; type OpResult = String; + type Chunk = std::convert::Infallible; + type StreamHead = std::convert::Infallible; } /// Yields the scripted ops in order, then completes or fails as scripted. @@ -518,8 +610,8 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri model: "model".into(), custom_llm_provider: "provider".into(), optional_params: serde_json::json!({}), - passthrough_fields: Default::default(), secret_fields: Vec::new(), + api_key: None, } } @@ -534,6 +626,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri HostResult::Route(value) => value, HostResult::BeforeSend(wire) => wire.url, HostResult::Emitted => "emitted".into(), + HostResult::Demand(demand) => format!("{demand:?}"), }); } if !self.ops.is_empty() { @@ -566,25 +659,50 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri } } + #[derive(Clone, Copy)] + enum OpScript { + Answer, + RaisePython, + RejectNatively, + } + struct SyntheticHost { log: Log, - fail_op: bool, + op: OpScript, + classifier_fails: bool, + } + + /// The fake route's public exception, kept as a value so a test sees what `classify` + /// produced before the driver raises it. + #[derive(Debug, PartialEq, Eq)] + struct Classified(String); + + impl From for PyErr { + fn from(classified: Classified) -> Self { + PyValueError::new_err(format!("classified: {}", classified.0)) + } } impl RouteHost for SyntheticHost { type Route = Synthetic; + type Failure = Classified; fn invoke( &mut self, _: Python<'_>, arguments: &Bound<'_, PyDict>, op: &'static str, - ) -> PyResult { + ) -> Result> { self.log.push(format!("route:{op}")); - if self.fail_op { - return Err(PyValueError::new_err("op failed")); + match self.op { + OpScript::Answer => Ok(format!("{op}:{}", arguments.len())), + OpScript::RaisePython => Err(PyValueError::new_err("op failed").into()), + OpScript::RejectNatively => Err(InvokeError::Native(Error("op rejected".into()))), } - Ok(format!("{op}:{}", arguments.len())) + } + + fn chunk(&mut self, _: Python<'_>, chunk: std::convert::Infallible) -> PyResult> { + match chunk {} } fn complete(&mut self, py: Python<'_>, response: String) -> PyResult> { @@ -594,22 +712,18 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri .unbind()) } - fn native_error(error: Error) -> PyErr { - PyValueError::new_err(error.0) + fn classify(&self, _: Python<'_>, error: Error) -> PyResult { + self.log.push(format!("classify:{error}")); + if self.classifier_fails { + return Err(pyo3::exceptions::PyTypeError::new_err("classifier failed")); + } + Ok(Classified(error.0)) } fn host_error(error: &PyErr) -> Error { Error(error.to_string()) } - fn map_failure(&self, py: Python<'_>, error: &PyErr) -> PyResult { - self.log.push("map_failure"); - Ok(PyValueError::new_err(format!( - "mapped: {}", - error.value(py) - ))) - } - fn close(&mut self, _: Python<'_>) { self.log.push("route.close"); } @@ -632,13 +746,18 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri script: AdapterScript, } - impl CallbackAdapter for SyntheticAdapter { - fn begin(&mut self, _: Python<'_>, arguments: Py, _: f64) -> PyResult { + impl PythonLifecycle for SyntheticAdapter { + fn begin( + &mut self, + _: Python<'_>, + arguments: Py, + _: f64, + ) -> PyResult { self.log.push("begin"); if matches!(self.script, AdapterScript::FailBegin) { return Err(PyValueError::new_err("begin failed")); } - Ok(AdapterStep::Arguments(arguments)) + Ok(LifecycleStep::Arguments(arguments)) } fn before_send( @@ -646,9 +765,9 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri _: Python<'_>, wire: Box, _: &RequestContext, - ) -> PyResult { + ) -> PyResult { self.log.push("before_send"); - Ok(AdapterStep::Wire(Box::new(WireRequest { + Ok(LifecycleStep::Wire(Box::new(WireRequest { url: "rewritten".into(), ..*wire }))) @@ -659,41 +778,48 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri py: Python<'_>, response: Py, _: Timing, - ) -> PyResult { + ) -> PyResult { self.log.push("after_success"); match self.script { - AdapterScript::ReplaceResponse => Ok(AdapterStep::Response( + AdapterScript::ReplaceResponse => Ok(LifecycleStep::Response( "replaced".into_pyobject(py)?.into_any().unbind(), )), AdapterScript::FailAfterSuccess => { Err(PyValueError::new_err("after_success failed")) } AdapterScript::Plain | AdapterScript::FailBegin => { - Ok(AdapterStep::Response(response)) + Ok(LifecycleStep::Response(response)) } } } - fn emit( - &mut self, - py: Python<'_>, - event: &CallEvent, - public: Option>, - ) -> PyResult { - self.log.push(match (event, public) { - (CallEvent::ResponseReceived { raw }, None) => format!("response:{}", raw.body), - (CallEvent::Succeeded { .. }, Some(PublicValue::Response(value))) => { - format!("succeeded:{}", value.bind(py)) + fn emit(&mut self, py: Python<'_>, event: LifecycleEvent<'_>) -> PyResult { + self.log.push(match event { + LifecycleEvent::Started { .. } => "started".into(), + LifecycleEvent::Machine(MachineEvent::ResponseReceived { raw }) => { + format!("response:{}", raw.body) } - (CallEvent::Failed { origin, .. }, Some(PublicValue::Error(error))) => { + LifecycleEvent::Succeeded { response, .. } => { + format!("succeeded:{}", response.bind(py)) + } + LifecycleEvent::Failed { origin, error, .. } => { format!("failed:{origin:?}:{}", error.value(py)) } - _ => "unexpected".into(), }); - Ok(AdapterStep::Done) + Ok(LifecycleStep::Done) } - fn resume(&mut self, _: Python<'_>, _: PyResult>) -> PyResult { + fn opened(&mut self, _: Python<'_>) -> PyResult<()> { + self.log.push("opened"); + Ok(()) + } + + fn delivered(&mut self, _: Python<'_>, _: &Py) -> PyResult<()> { + self.log.push("delivered"); + Ok(()) + } + + fn resume(&mut self, _: Python<'_>, _: PyResult>) -> PyResult { Err(missing_state()) } @@ -709,15 +835,31 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri fn run_scripted( py: Python<'_>, machine: ScriptedMachine, - fail_op: bool, + op: OpScript, script: AdapterScript, asynchronous: bool, ) -> (PyResult>, Vec) { - let log = Log::default(); - let route = SyntheticHost { - log: Log(log.0.clone()), - fail_op, - }; + run_hosted( + py, + machine, + SyntheticHost { + log: Log::default(), + op, + classifier_fails: false, + }, + script, + asynchronous, + ) + } + + fn run_hosted( + py: Python<'_>, + machine: ScriptedMachine, + route: SyntheticHost, + script: AdapterScript, + asynchronous: bool, + ) -> (PyResult>, Vec) { + let log = Log(route.log.0.clone()); let adapter = SyntheticAdapter { log: Log(log.0.clone()), script, @@ -756,8 +898,8 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri wire: Box::new(wire()), context: Box::new(context()), }, - HostOp::Emit(CallEvent::ResponseReceived { - raw: litellm_callbacks::event::RawResponse { body: "raw".into() }, + HostOp::Emit(MachineEvent::ResponseReceived { + raw: litellm_host::event::RawResponse { body: "raw".into() }, }), ], outcome: Some(Ok("done".into())), @@ -777,7 +919,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri let (result, log) = run_scripted( py, success_machine(), - false, + OpScript::Answer, AdapterScript::Plain, asynchronous, ); @@ -785,6 +927,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri assert_eq!( log, [ + "started", "begin", "route:project", "before_send", @@ -800,28 +943,75 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri }); } + fn failing_machine() -> ScriptedMachine { + ScriptedMachine { + ops: vec![HostOp::Route("project")], + outcome: Some(Err(Error("provider exploded".into()))), + answers: Vec::new(), + } + } + #[test] - fn machine_failures_are_mapped_and_dispatched_once_as_call_failures() { + fn a_native_failure_is_classified_once_and_reported_classified() { let _guard = PYTHON_GLOBALS .lock() .unwrap_or_else(|error| error.into_inner()); crate::initialize_python(); Python::attach(|py| { - let machine = ScriptedMachine { - ops: vec![HostOp::Route("project")], - outcome: Some(Err(Error("provider exploded".into()))), - answers: Vec::new(), - }; - let (result, log) = run_scripted(py, machine, false, AdapterScript::Plain, false); - let error = result.unwrap_err(); - assert_eq!(error.value(py).to_string(), "mapped: provider exploded"); + install_lifecycle_module(py); + for asynchronous in [false, true] { + let (result, log) = run_scripted( + py, + failing_machine(), + OpScript::Answer, + AdapterScript::Plain, + asynchronous, + ); + let error = result.unwrap_err(); + assert!(error.is_instance_of::(py)); + assert_eq!(error.value(py).to_string(), "classified: provider exploded"); + assert_eq!( + log, + [ + "started", + "begin", + "route:project", + "classify:provider exploded", + "failed:Call:classified: provider exploded", + "adapter.close", + "route.close", + ] + ); + } + }); + } + + #[test] + fn a_native_rejection_from_a_host_operation_is_classified_once() { + let _guard = PYTHON_GLOBALS + .lock() + .unwrap_or_else(|error| error.into_inner()); + crate::initialize_python(); + Python::attach(|py| { + let (result, log) = run_scripted( + py, + success_machine(), + OpScript::RejectNatively, + AdapterScript::Plain, + false, + ); + assert_eq!( + result.unwrap_err().value(py).to_string(), + "classified: op rejected" + ); assert_eq!( log, [ + "started", "begin", "route:project", - "map_failure", - "failed:Call:mapped: provider exploded", + "classify:op rejected", + "failed:Call:classified: op rejected", "adapter.close", "route.close", ] @@ -830,18 +1020,72 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri } #[test] - fn host_operation_failures_interrupt_the_call_and_keep_the_python_exception() { + fn a_python_exception_from_a_host_operation_is_reported_as_raised() { let _guard = PYTHON_GLOBALS .lock() .unwrap_or_else(|error| error.into_inner()); crate::initialize_python(); Python::attach(|py| { - let (result, log) = - run_scripted(py, success_machine(), true, AdapterScript::Plain, false); + let (result, log) = run_scripted( + py, + success_machine(), + OpScript::RaisePython, + AdapterScript::Plain, + false, + ); let error = result.unwrap_err(); - assert_eq!(error.value(py).to_string(), "mapped: op failed"); - assert!(!log.contains(&"before_send".to_string())); - assert!(log.contains(&"failed:Call:mapped: op failed".to_string())); + assert!(error.is_instance_of::(py)); + assert_eq!(error.value(py).to_string(), "op failed"); + assert_eq!( + log, + [ + "started", + "begin", + "route:project", + "failed:Call:op failed", + "adapter.close", + "route.close", + ] + ); + }); + } + + #[test] + fn a_failing_classifier_surfaces_with_the_native_error_as_context() { + let _guard = PYTHON_GLOBALS + .lock() + .unwrap_or_else(|error| error.into_inner()); + crate::initialize_python(); + Python::attach(|py| { + let (result, log) = run_hosted( + py, + failing_machine(), + SyntheticHost { + log: Log::default(), + op: OpScript::Answer, + classifier_fails: true, + }, + AdapterScript::Plain, + false, + ); + let error = result.unwrap_err(); + assert!(error.is_instance_of::(py)); + assert_eq!(error.value(py).to_string(), "classifier failed"); + let context = error.value(py).getattr("__context__").unwrap(); + assert!(context.is_instance_of::()); + assert_eq!(context.str().unwrap().to_string(), "provider exploded"); + assert_eq!( + log, + [ + "started", + "begin", + "route:project", + "classify:provider exploded", + "failed:Call:classifier failed", + "adapter.close", + "route.close", + ] + ); }); } @@ -855,7 +1099,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri let (result, log) = run_scripted( py, success_machine(), - false, + OpScript::Answer, AdapterScript::FailBegin, false, ); @@ -864,6 +1108,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri assert_eq!( log, [ + "started", "begin", "failed:Host:begin failed", "adapter.close", @@ -885,7 +1130,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri let (result, log) = run_scripted( py, success_machine(), - false, + OpScript::Answer, AdapterScript::ReplaceResponse, asynchronous, ); @@ -908,7 +1153,7 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri let (result, log) = run_scripted( py, success_machine(), - false, + OpScript::Answer, AdapterScript::FailAfterSuccess, asynchronous, ); @@ -938,12 +1183,13 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri struct Cancelling(Log); impl RouteHost for Cancelling { type Route = Synthetic; + type Failure = Classified; fn invoke( &mut self, py: Python<'_>, _: &Bound<'_, PyDict>, _: &'static str, - ) -> PyResult { + ) -> Result> { self.0.push("route"); Err(PyErr::from_value( py.import("asyncio") @@ -952,21 +1198,26 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri .unwrap() .call0() .unwrap(), - )) + ) + .into()) + } + fn chunk( + &mut self, + _: Python<'_>, + chunk: std::convert::Infallible, + ) -> PyResult> { + match chunk {} } fn complete(&mut self, _: Python<'_>, _: String) -> PyResult> { Err(missing_state()) } - fn native_error(error: Error) -> PyErr { - PyValueError::new_err(error.0) + fn classify(&self, _: Python<'_>, error: Error) -> PyResult { + self.0.push("classify"); + Ok(Classified(error.0)) } fn host_error(error: &PyErr) -> Error { Error(error.to_string()) } - fn map_failure(&self, _: Python<'_>, _: &PyErr) -> PyResult { - self.0.push("map_failure"); - Err(missing_state()) - } fn close(&mut self, _: Python<'_>) {} fn traverse(&self, _: &PyVisit<'_>) -> Result<(), PyTraverseError> { Ok(()) @@ -988,7 +1239,10 @@ sys.modules.setdefault('litellm.rust_bridge', types.ModuleType('litellm.rust_bri ) .unwrap_err(); assert!(!error.is_instance_of::(py)); - assert_eq!(log.entries(), ["begin", "route", "adapter.close"]); + assert_eq!( + log.entries(), + ["started", "begin", "route", "adapter.close"] + ); }); } diff --git a/litellm-rust/crates/host-python/src/handle.rs b/litellm-rust/crates/host-python/src/handle.rs index d8cd6c92130..10abbadbda5 100644 --- a/litellm-rust/crates/host-python/src/handle.rs +++ b/litellm-rust/crates/host-python/src/handle.rs @@ -8,6 +8,10 @@ use pyo3::prelude::*; pub enum ExecutionStep { Return(Py), Await(Py), + /// The call streams: the caller gets a stream over this execution, which stays + /// suspended until the stream asks for a chunk. + Open, + Yield(Py), } pub trait ExecutionBody: Send + Sync { @@ -34,6 +38,13 @@ impl Execution { } } + /// An execution already started elsewhere and now waiting for its next input. + pub fn suspended(body: impl ExecutionBody + 'static) -> Self { + Self { + state: ExecutionState::Suspended(Box::new(body)), + } + } + fn advance( slf: &Bound<'_, Self>, py: Python<'_>, @@ -64,6 +75,8 @@ impl Execution { let step = body.resume(result)?; let (tag, value, suspended) = match step { ExecutionStep::Await(value) => ("Await", value, true), + ExecutionStep::Open => ("Open", py.None(), true), + ExecutionStep::Yield(value) => ("Yield", value, true), ExecutionStep::Return(value) => ("Complete", value, false), }; let step = py diff --git a/litellm-rust/crates/host-python/src/lib.rs b/litellm-rust/crates/host-python/src/lib.rs index bb0b5b1c3b1..583a4eb91b6 100644 --- a/litellm-rust/crates/host-python/src/lib.rs +++ b/litellm-rust/crates/host-python/src/lib.rs @@ -1,9 +1,10 @@ //! The CPython runtime adapter: value marshalling, interpreter detachment, the tokio and -//! asyncio glue, and the driver that runs a native [`Machine`](litellm_callbacks::machine::Machine) -//! against a Python route host and a callback adapter. Everything here is Python-specific by +//! asyncio glue, and the driver that runs a native [`Machine`](litellm_host::machine::Machine) +//! against a Python route host and a Python lifecycle. Everything here is Python-specific by //! construction; another host language gets its own crate of the same shape. mod adapter; +mod argument; mod callable; mod driver; mod execution; @@ -11,7 +12,10 @@ mod gil; mod handle; mod marshal; -pub use adapter::{AdapterStep, CallbackAdapter, PublicValue, RouteHost, missing_state}; +pub use adapter::{ + InvokeError, LifecycleEvent, LifecycleStep, PythonLifecycle, RouteHost, missing_state, +}; +pub use argument::lookup; pub use callable::wrap_failure; pub use driver::run_call; pub use execution::{poll_async_value, run_async, run_async_value, run_sync, run_sync_value}; diff --git a/litellm-rust/crates/callbacks/Cargo.toml b/litellm-rust/crates/host/Cargo.toml similarity index 65% rename from litellm-rust/crates/callbacks/Cargo.toml rename to litellm-rust/crates/host/Cargo.toml index 4b966271478..0c7c46192b5 100644 --- a/litellm-rust/crates/callbacks/Cargo.toml +++ b/litellm-rust/crates/host/Cargo.toml @@ -1,13 +1,14 @@ [package] -name = "litellm-callbacks" +name = "litellm-host" version = "0.1.0" edition.workspace = true license.workspace = true repository.workspace = true [dependencies] +litellm-auth.workspace = true serde_json.workspace = true +tokio = { workspace = true, features = ["sync"] } [dev-dependencies] rstest.workspace = true -tokio = { workspace = true, features = ["macros"] } diff --git a/litellm-rust/crates/host/src/event.rs b/litellm-rust/crates/host/src/event.rs new file mode 100644 index 00000000000..182dab657d3 --- /dev/null +++ b/litellm-rust/crates/host/src/event.rs @@ -0,0 +1,76 @@ +use std::time::{SystemTime, UNIX_EPOCH}; + +use serde_json::Value; + +/// Seconds since the Unix epoch, on one clock for every host. +pub fn epoch_seconds() -> f64 { + SystemTime::now() + .duration_since(UNIX_EPOCH) + .map(|duration| duration.as_secs_f64()) + .unwrap_or(0.0) +} + +#[derive(Clone, Copy, Debug, PartialEq)] +pub struct Timing { + pub start_time: f64, + pub end_time: f64, +} + +/// The provider request as it is about to leave, offered to the host for rewriting. +#[derive(Clone, Debug, PartialEq)] +pub struct WireRequest { + pub url: String, + pub headers: Vec<(String, String)>, + pub body: Value, +} + +/// What the route knows about the request it is sending, for a host that logs it. The +/// route owns these facts; a host reads them beside the wire request and never rewrites +/// them. +#[derive(Clone, Debug, PartialEq)] +pub struct RequestContext { + pub model: String, + pub custom_llm_provider: String, + /// The route's parameters before the provider transformation. + pub optional_params: Value, + /// Optional-param names that carry credentials and must be redacted when logged. + pub secret_fields: Vec, + /// The credential the route resolved for the provider call. + pub api_key: Option, +} + +#[derive(Clone, Debug, PartialEq, Eq)] +pub struct RawResponse { + pub body: String, +} + +/// Whether a failure surfaced inside the call, including a host op the call asked for, +/// or in a host step around it (preparing the arguments, finalizing the response). +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum FailureOrigin { + Call, + Host, +} + +/// What a machine reports while it runs. +#[derive(Clone, Debug, PartialEq, Eq)] +pub enum MachineEvent { + ResponseReceived { raw: RawResponse }, +} + +/// What an in-process host observes: the machine's own events between the driver's +/// start and terminal ones. +#[derive(Clone, Debug, PartialEq)] +pub enum CallEvent { + Started { + start_time: f64, + }, + Machine(MachineEvent), + Succeeded { + timing: Timing, + }, + Failed { + timing: Timing, + origin: FailureOrigin, + }, +} diff --git a/litellm-rust/crates/callbacks/src/host.rs b/litellm-rust/crates/host/src/host.rs similarity index 58% rename from litellm-rust/crates/callbacks/src/host.rs rename to litellm-rust/crates/host/src/host.rs index 2392718a18d..aba35185a18 100644 --- a/litellm-rust/crates/callbacks/src/host.rs +++ b/litellm-rust/crates/host/src/host.rs @@ -1,6 +1,6 @@ use std::future::Future; -use crate::event::{CallEvent, RequestContext, WireRequest}; +use crate::event::{CallEvent, MachineEvent, RequestContext, WireRequest}; use crate::route::Route; /// One suspension point of a native call, performed by the host. @@ -10,13 +10,26 @@ pub enum HostOp { wire: Box, context: Box, }, - Emit(CallEvent), + Emit(MachineEvent), + /// The response streams: the host hands the caller a stream and answers once the + /// caller asks for the first chunk or goes away. + Open(R::StreamHead), + /// The next chunk of an open stream, answered once the caller asks for the one after. + Deliver(R::Chunk), } pub enum HostResult { Route(R::OpResult), BeforeSend(Box), Emitted, + Demand(Demand), +} + +/// Whether the caller of a streamed call still reads it. +#[derive(Clone, Copy, Debug, PartialEq, Eq)] +pub enum Demand { + More, + Detached, } /// A host answer that is either available now or arrives once the host's own @@ -42,4 +55,12 @@ pub trait Host: Send + Sync { fn emit(&self, _event: &CallEvent) -> impl Future> + Send { async { Ok(()) } } + + fn open(&self, _head: R::StreamHead) -> impl Future> + Send { + async { Ok(Demand::More) } + } + + fn deliver(&self, _chunk: R::Chunk) -> impl Future> + Send { + async { Ok(Demand::More) } + } } diff --git a/litellm-rust/crates/callbacks/src/lib.rs b/litellm-rust/crates/host/src/lib.rs similarity index 81% rename from litellm-rust/crates/callbacks/src/lib.rs rename to litellm-rust/crates/host/src/lib.rs index 41b0983f0ce..65479c2380f 100644 --- a/litellm-rust/crates/callbacks/src/lib.rs +++ b/litellm-rust/crates/host/src/lib.rs @@ -1,7 +1,7 @@ //! The contract between a native call and the host runtime that drives it. //! //! A host is whatever sits on the far side of the language boundary: CPython today, -//! another runtime later. Core implements [`machine::Machine`] per route and never learns +//! another runtime later. Core runs each route on a [`machine::RouteMachine`] and never learns //! which host is on the other end. The machine yields [`host::HostOp`]s; a driver answers //! them, observes [`event::CallEvent`]s and may rewrite the wire request before it is sent. diff --git a/litellm-rust/crates/core/src/machine/auth.rs b/litellm-rust/crates/host/src/machine/auth.rs similarity index 97% rename from litellm-rust/crates/core/src/machine/auth.rs rename to litellm-rust/crates/host/src/machine/auth.rs index 6a3e4daf6ee..ba7e242e766 100644 --- a/litellm-rust/crates/core/src/machine/auth.rs +++ b/litellm-rust/crates/host/src/machine/auth.rs @@ -1,9 +1,8 @@ use std::sync::Arc; -use litellm_auth::{Error, ResolvedCredential, TokenFuture, TokenProvider, TokenProviderHandle}; -use litellm_callbacks::route::Route; - use super::{HostChannel, MachineFault}; +use crate::route::Route; +use litellm_auth::{Error, ResolvedCredential, TokenFuture, TokenProvider, TokenProviderHandle}; /// A route whose host can mint credentials on the call's behalf. pub trait TokenRoute: Route { diff --git a/litellm-rust/crates/callbacks/src/machine.rs b/litellm-rust/crates/host/src/machine/mod.rs similarity index 91% rename from litellm-rust/crates/callbacks/src/machine.rs rename to litellm-rust/crates/host/src/machine/mod.rs index 2942913f095..2c26db61582 100644 --- a/litellm-rust/crates/callbacks/src/machine.rs +++ b/litellm-rust/crates/host/src/machine/mod.rs @@ -1,6 +1,12 @@ +mod auth; +mod route_machine; + use std::future::Future; use std::pin::Pin; +pub use auth::{HostTokenProvider, TokenRoute}; +pub use route_machine::{ExecuteFuture, HostChannel, MachineFault, RouteMachine}; + use crate::host::{HostOp, HostResult}; use crate::route::Route; diff --git a/litellm-rust/crates/core/src/machine/mod.rs b/litellm-rust/crates/host/src/machine/route_machine.rs similarity index 88% rename from litellm-rust/crates/core/src/machine/mod.rs rename to litellm-rust/crates/host/src/machine/route_machine.rs index 279a2d65c97..38a0b8bc16a 100644 --- a/litellm-rust/crates/core/src/machine/mod.rs +++ b/litellm-rust/crates/host/src/machine/route_machine.rs @@ -2,18 +2,16 @@ //! place, and turns the host operations that future requests into [`Machine`] steps. No //! task is spawned; dropping the machine drops the in-flight call. -mod auth; - use std::{future::Future, pin::Pin}; -pub use auth::{HostTokenProvider, TokenRoute}; -use litellm_callbacks::{ - event::{CallEvent, RequestContext, WireRequest}, - host::{HostOp, HostResult}, - machine::{HostFailure, Interrupted, Machine, MachineStep, Step}, +use tokio::sync::{mpsc, oneshot}; + +use super::{HostFailure, Interrupted, Machine, MachineStep, Step}; +use crate::{ + event::{MachineEvent, RequestContext, WireRequest}, + host::{Demand, HostOp, HostResult}, route::Route, }; -use tokio::sync::{mpsc, oneshot}; /// The machine's own failures, distinct from anything the provider call reports. #[derive(Clone, Copy, Debug, PartialEq, Eq)] @@ -82,12 +80,27 @@ where } } - pub async fn emit(&self, event: CallEvent) -> Result<(), R::Error> { + pub async fn emit(&self, event: MachineEvent) -> Result<(), R::Error> { match self.invoke(HostOp::Emit(event)).await? { HostResult::Emitted => Ok(()), _ => Err(MachineFault::Mismatch.into()), } } + + pub async fn open(&self, head: R::StreamHead) -> Result { + self.demand(HostOp::Open(head)).await + } + + pub async fn deliver(&self, chunk: R::Chunk) -> Result { + self.demand(HostOp::Deliver(chunk)).await + } + + async fn demand(&self, op: HostOp) -> Result { + match self.invoke(op).await? { + HostResult::Demand(demand) => Ok(demand), + _ => Err(MachineFault::Mismatch.into()), + } + } } enum Execution { diff --git a/litellm-rust/crates/callbacks/src/route.rs b/litellm-rust/crates/host/src/route.rs similarity index 57% rename from litellm-rust/crates/callbacks/src/route.rs rename to litellm-rust/crates/host/src/route.rs index 97738c8da8b..8ab2b125760 100644 --- a/litellm-rust/crates/callbacks/src/route.rs +++ b/litellm-rust/crates/host/src/route.rs @@ -6,4 +6,9 @@ pub trait Route: Send + Sync + 'static { type Error: Clone + Send + Sync + 'static; type Op: Send + 'static; type OpResult: Send + 'static; + /// One piece of a streamed response, handed to the caller as it arrives. A route + /// that never streams uses `Infallible`. + type Chunk: Send + 'static; + /// What the route knows once a streamed response starts, before its first chunk. + type StreamHead: Send + 'static; } diff --git a/litellm-rust/crates/callbacks/src/run.rs b/litellm-rust/crates/host/src/run.rs similarity index 72% rename from litellm-rust/crates/callbacks/src/run.rs rename to litellm-rust/crates/host/src/run.rs index 57bf134f345..6a0c08fba68 100644 --- a/litellm-rust/crates/callbacks/src/run.rs +++ b/litellm-rust/crates/host/src/run.rs @@ -11,6 +11,7 @@ where H: Host, { let start_time = epoch_seconds(); + let _ = host.emit(&CallEvent::Started { start_time }).await; let mut result = None; let outcome = loop { let step = match machine.resume(result.take()).await { @@ -24,7 +25,12 @@ where .before_send(*wire, &context) .await .map(|wire| HostResult::BeforeSend(Box::new(wire))), - HostOp::Emit(event) => host.emit(&event).await.map(|()| HostResult::Emitted), + HostOp::Emit(event) => host + .emit(&CallEvent::Machine(event)) + .await + .map(|()| HostResult::Emitted), + HostOp::Open(head) => host.open(head).await.map(HostResult::Demand), + HostOp::Deliver(chunk) => host.deliver(chunk).await.map(HostResult::Demand), }; match answer { Ok(answer) => result = Some(answer), @@ -60,6 +66,8 @@ mod tests { type Error = &'static str; type Op = &'static str; type OpResult = (); + type Chunk = std::convert::Infallible; + type StreamHead = std::convert::Infallible; } struct Scripted { @@ -102,6 +110,7 @@ mod tests { async fn emit(&self, event: &CallEvent) -> Result<(), &'static str> { self.seen.lock().unwrap().push(match event { + CallEvent::Started { .. } => "started".into(), CallEvent::Succeeded { .. } => "succeeded".into(), CallEvent::Failed { .. } => "failed".into(), other => format!("{other:?}"), @@ -124,7 +133,7 @@ mod tests { assert_eq!(outcome, Ok(())); assert_eq!( *host.seen.lock().unwrap(), - ["route:project", "route:send", "succeeded"] + ["started", "route:project", "route:send", "succeeded"] ); } @@ -133,7 +142,7 @@ mod tests { let host = Recording::default(); let outcome = run(scripted(&[], Err("boom")), &host).await; assert_eq!(outcome, Err("boom")); - assert_eq!(*host.seen.lock().unwrap(), ["failed"]); + assert_eq!(*host.seen.lock().unwrap(), ["started", "failed"]); let host = Recording { fail: Some("send"), @@ -143,7 +152,35 @@ mod tests { assert_eq!(outcome, Err("host failed")); assert_eq!( *host.seen.lock().unwrap(), - ["route:project", "route:send", "failed"] + ["started", "route:project", "route:send", "failed"] ); } + + struct StartTimes(Mutex>); + + impl Host for StartTimes { + async fn route(&self, _: &'static str) -> Result<(), &'static str> { + Ok(()) + } + + async fn emit(&self, event: &CallEvent) -> Result<(), &'static str> { + if let CallEvent::Started { start_time } + | CallEvent::Succeeded { + timing: Timing { start_time, .. }, + } = event + { + self.0.lock().unwrap().push(*start_time); + } + Err("observer failed") + } + } + + #[tokio::test] + async fn started_opens_the_call_at_the_terminal_start_time_and_cannot_fail_it() { + let host = StartTimes(Mutex::default()); + assert_eq!(run(scripted(&["project"], Ok(())), &host).await, Ok(())); + let times = host.0.lock().unwrap(); + assert_eq!(times.len(), 2); + assert_eq!(times[0], times[1]); + } } diff --git a/litellm-rust/crates/llms/Cargo.toml b/litellm-rust/crates/llms/Cargo.toml index 4ca6c7cb2a5..d295e4407ba 100644 --- a/litellm-rust/crates/llms/Cargo.toml +++ b/litellm-rust/crates/llms/Cargo.toml @@ -15,7 +15,7 @@ litellm-auth.workspace = true litellm-auth-aws.workspace = true litellm-auth-azure.workspace = true litellm-auth-gcp.workspace = true -litellm-callbacks.workspace = true +litellm-host.workspace = true litellm-framing.workspace = true base64.workspace = true bytes.workspace = true diff --git a/litellm-rust/crates/llms/src/azure_ai/ocr/document_intelligence/transformation.rs b/litellm-rust/crates/llms/src/azure_ai/ocr/document_intelligence/transformation.rs index 87945bf8785..2e398d0287e 100644 --- a/litellm-rust/crates/llms/src/azure_ai/ocr/document_intelligence/transformation.rs +++ b/litellm-rust/crates/llms/src/azure_ai/ocr/document_intelligence/transformation.rs @@ -150,7 +150,7 @@ impl BaseOcrConfig for AzureDocumentIntelligenceOcrConfig { api_key: inputs.api_key.and_then(|key| { inputs .dynamic_api_key - .filter(|value| !value.value().is_empty()) + .filter(|value| !value.value().expose().is_empty()) .or(Some(key)) }), api_base: inputs.api_base.and_then(|base| { @@ -592,12 +592,17 @@ impl AzureDocumentIntelligenceOcrConfig { )?; return Ok(connection.extra_headers.clone()); } - let key = nonblank(connection.api_key.clone()) - .map(|value| Sourced::new(value, connection.api_key_source)) - .or_else(|| { - nonblank(self.get_api_key_env_var().and_then(env_lookup)) - .map(|value| Sourced::new(value, InputSource::Environment)) - }); + let key = nonblank( + connection + .api_key + .as_ref() + .map(|key| key.expose().to_string()), + ) + .map(|value| Sourced::new(value, connection.api_key_source)) + .or_else(|| { + nonblank(self.get_api_key_env_var().and_then(env_lookup)) + .map(|value| Sourced::new(value, InputSource::Environment)) + }); if let Some(key) = key { super::super::common_utils::validate_destination(connection, key.source())?; return Ok( @@ -796,7 +801,7 @@ mod tests { #[tokio::test] async fn request_endpoint_accepts_request_owned_key() { let connection = OcrConnection { - api_key: Some("request-key".into()), + api_key: Some(litellm_auth::SecretValue::new("request-key")), api_key_source: InputSource::Request, api_base: Some("https://request.example".into()), api_base_source: InputSource::Request, diff --git a/litellm-rust/crates/llms/src/azure_ai/ocr/transformation.rs b/litellm-rust/crates/llms/src/azure_ai/ocr/transformation.rs index 2012f740173..7ef051e8986 100644 --- a/litellm-rust/crates/llms/src/azure_ai/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/azure_ai/ocr/transformation.rs @@ -142,12 +142,17 @@ impl AzureAiOcrConfig { super::common_utils::validate_destination(connection, connection.extra_headers_source)?; return Ok(connection.extra_headers.clone()); } - let key = nonblank(connection.api_key.clone()) - .map(|value| Sourced::new(value, connection.api_key_source)) - .or_else(|| { - nonblank(self.get_api_key_env_var().and_then(env_lookup)) - .map(|value| Sourced::new(value, InputSource::Environment)) - }); + let key = nonblank( + connection + .api_key + .as_ref() + .map(|key| key.expose().to_string()), + ) + .map(|value| Sourced::new(value, connection.api_key_source)) + .or_else(|| { + nonblank(self.get_api_key_env_var().and_then(env_lookup)) + .map(|value| Sourced::new(value, InputSource::Environment)) + }); if let Some(key) = key { super::common_utils::validate_destination(connection, key.source())?; return Ok(bearer_headers(connection, key.value())); @@ -196,7 +201,7 @@ mod tests { #[fixture] fn connection() -> OcrConnection { OcrConnection { - api_key: Some("request-key".into()), + api_key: Some(litellm_auth::SecretValue::new("request-key")), api_base: Some("https://example.com".into()), ..Default::default() } @@ -288,7 +293,7 @@ mod tests { #[tokio::test] async fn request_endpoint_accepts_request_owned_key() { let connection = OcrConnection { - api_key: Some("request-key".into()), + api_key: Some(litellm_auth::SecretValue::new("request-key")), api_key_source: InputSource::Request, api_base: Some("https://request.example".into()), api_base_source: InputSource::Request, diff --git a/litellm-rust/crates/llms/src/base_llm/ocr/error.rs b/litellm-rust/crates/llms/src/base_llm/ocr/error.rs index c3f481d7d44..3061a9fe2b2 100644 --- a/litellm-rust/crates/llms/src/base_llm/ocr/error.rs +++ b/litellm-rust/crates/llms/src/base_llm/ocr/error.rs @@ -102,6 +102,17 @@ pub enum Error { Headers(#[from] crate::custom_httpx::http_handler::HeaderError), } +impl From for Error { + fn from(fault: litellm_host::machine::MachineFault) -> Self { + use litellm_host::machine::MachineFault; + Self::InvalidRequest(match fault { + MachineFault::Abandoned => "OCR host driver was abandoned".into(), + MachineFault::Protocol(message) => format!("OCR {message}"), + MachineFault::Mismatch => "invalid OCR host operation result".into(), + }) + } +} + impl From for Error { fn from(error: litellm_core_utils::call_arguments::ArgumentError) -> Self { Self::RequestField { diff --git a/litellm-rust/crates/llms/src/base_llm/ocr/transformation.rs b/litellm-rust/crates/llms/src/base_llm/ocr/transformation.rs index e6fe5d9556d..8321dcfb4ce 100644 --- a/litellm-rust/crates/llms/src/base_llm/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/base_llm/ocr/transformation.rs @@ -1,6 +1,6 @@ use std::{collections::BTreeMap, future::Future, time::Duration}; -use litellm_auth::{InputSource, Sourced, TokenProviderHandle}; +use litellm_auth::{InputSource, SecretValue, Sourced, TokenProviderHandle}; use litellm_core_utils::{ call_arguments::CallArguments, serde_compat::{FiniteF64, LaxI64}, @@ -90,21 +90,22 @@ pub enum OcrResponseFormat { #[derive(Clone, Default)] pub struct OcrCredentialInputs { - pub api_key: Option>, - pub dynamic_api_key: Option>, + pub api_key: Option>, + pub dynamic_api_key: Option>, pub api_base: Option>, pub dynamic_api_base: Option>, } impl OcrCredentialInputs { pub fn new( - api_key: Option, + api_key: Option, api_key_source: InputSource, api_base: Option, api_base_source: InputSource, ) -> Self { Self { - api_key: nonblank(api_key).map(|value| Sourced::new(value, api_key_source)), + api_key: nonblank(api_key.as_ref().map(|key| key.expose().to_string())) + .map(|value| Sourced::new(SecretValue::new(value), api_key_source)), dynamic_api_key: None, api_base: nonblank(api_base).map(|value| Sourced::new(value, api_base_source)), dynamic_api_base: None, @@ -159,7 +160,7 @@ fn nonblank(value: Option) -> Option { #[derive(Clone)] pub struct OcrConnection { - pub api_key: Option, + pub api_key: Option, pub api_key_source: InputSource, pub api_base: Option, pub api_base_source: InputSource, @@ -209,7 +210,7 @@ impl Default for OcrConnection { #[derive(Clone, Default)] pub struct ResolvedOcrCredentials { - pub api_key: Option>, + pub api_key: Option>, pub api_base: Option>, } @@ -428,7 +429,7 @@ pub trait BaseOcrConfig: Send + Sync + Sized + 'static { ResolvedOcrCredentials { api_key: inputs .dynamic_api_key - .filter(|value| !value.value().is_empty()) + .filter(|value| !value.value().expose().is_empty()) .or(inputs.api_key), api_base: inputs .dynamic_api_base diff --git a/litellm-rust/crates/llms/src/cohere/ocr/transformation.rs b/litellm-rust/crates/llms/src/cohere/ocr/transformation.rs index f353c22d8c4..2528c967f41 100644 --- a/litellm-rust/crates/llms/src/cohere/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/cohere/ocr/transformation.rs @@ -179,8 +179,8 @@ impl CohereParseConfig { } let key = connection .api_key - .as_deref() - .map(str::trim) + .as_ref() + .map(|key| key.expose().trim()) .filter(|key| !key.is_empty()) .map(str::to_string) .or_else(|| { @@ -718,7 +718,7 @@ mod tests { assert!(matches!( CohereParseConfig.resolve_headers( &OcrConnection { - api_key: Some(" ".into()), + api_key: Some(litellm_auth::SecretValue::new(" ")), ..Default::default() }, &|_| None, diff --git a/litellm-rust/crates/llms/src/custom_httpx/llm_http_handler.rs b/litellm-rust/crates/llms/src/custom_httpx/llm_http_handler.rs index e93ddee3c50..fdd568d83fd 100644 --- a/litellm-rust/crates/llms/src/custom_httpx/llm_http_handler.rs +++ b/litellm-rust/crates/llms/src/custom_httpx/llm_http_handler.rs @@ -3,9 +3,9 @@ use std::{sync::OnceLock, time::Duration}; use bytes::{Bytes, BytesMut}; use futures_util::future::BoxFuture; use litellm_auth_gcp::VertexAuth; -use litellm_callbacks::event::{Passthrough, WireRequest}; +use litellm_host::event::WireRequest; use serde::{Serialize, de::DeserializeOwned}; -use serde_json::{Map, Value}; +use serde_json::Value; use crate::{ base_llm::ocr::{ @@ -26,11 +26,7 @@ use crate::{ /// The route's view of one call, handed to provider code that has to reach the /// caller's hooks mid-flight (guardrails on the outgoing body, raw response events). pub trait CallHooks: Send + Sync { - fn before_send( - &self, - wire: WireRequest, - passthrough_fields: Passthrough, - ) -> BoxFuture<'_, Result>; + fn before_send(&self, wire: WireRequest) -> BoxFuture<'_, Result>; fn response_received<'a>(&'a self, body: &'a [u8]) -> BoxFuture<'a, Result<(), E>>; } @@ -231,9 +227,8 @@ pub async fn transform_request_body( config.get_supported_ocr_params(&request.model), )?; config.validate_request_body(&composed)?; - let passthrough_fields = Passthrough::unchanged(&caller_inputs(request)?, &composed); let changed = hooks - .before_send(wire_request(url, headers, composed), passthrough_fields) + .before_send(wire_request(url, headers, composed)) .await?; if !changed.body.is_object() { return Err(Error::RequestField { @@ -252,21 +247,6 @@ fn wire_request(url: &str, headers: &[(String, String)], body: Value) -> WireReq } } -fn caller_inputs(request: &PreparedOcrRequest) -> Result, Error> { - let document = request - .caller_document - .then(|| serde_json::to_value(&request.document)) - .transpose() - .map_err(|_| Error::RequestField { - path: "document".into(), - })?; - let params: Map = request.optional_params.clone().into(); - Ok(params - .into_iter() - .chain(document.map(|document| ("document".to_string(), document))) - .collect()) -} - pub fn build_http_request( client: &OcrClient, request: &PreparedOcrRequest, @@ -294,9 +274,7 @@ pub async fn guardrail_document( let body = serde_json::to_value(&request.document).map_err(|_| Error::RequestField { path: "document".into(), })?; - let changed = hooks - .before_send(wire_request(url, headers, body), Passthrough::default()) - .await?; + let changed = hooks.before_send(wire_request(url, headers, body)).await?; let document = decode_request_value(changed.body, "guardrail.document")?; Ok((document, changed.headers)) } diff --git a/litellm-rust/crates/llms/src/mistral/ocr/transformation.rs b/litellm-rust/crates/llms/src/mistral/ocr/transformation.rs index c2038d0552d..9028f09c5ab 100644 --- a/litellm-rust/crates/llms/src/mistral/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/mistral/ocr/transformation.rs @@ -135,8 +135,8 @@ impl MistralOcrConfig { } let api_key = connection .api_key - .as_deref() - .map(str::trim) + .as_ref() + .map(|key| key.expose().trim()) .filter(|key| !key.is_empty()) .map(str::to_string) .or_else(|| { @@ -212,7 +212,7 @@ mod tests { #[default(vec![])] extra_headers: Vec<(String, String)>, ) -> OcrConnection { OcrConnection { - api_key: api_key.map(str::to_string), + api_key: api_key.map(litellm_auth::SecretValue::new), extra_headers, ..OcrConnection::default() } diff --git a/litellm-rust/crates/llms/src/reducto/ocr/transformation.rs b/litellm-rust/crates/llms/src/reducto/ocr/transformation.rs index ca2bae9c3bb..ec876fafb8f 100644 --- a/litellm-rust/crates/llms/src/reducto/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/reducto/ocr/transformation.rs @@ -442,8 +442,8 @@ fn resolve_headers( } let api_key = connection .api_key - .as_deref() - .map(str::trim) + .as_ref() + .map(|key| key.expose().trim()) .filter(|key| !key.is_empty()) .map(str::to_string) .or_else(|| { @@ -629,7 +629,7 @@ mod tests { #[test] fn explicit_key_precedes_environment_key() { let connection = OcrConnection { - api_key: Some("passed-key".into()), + api_key: Some(litellm_auth::SecretValue::new("passed-key")), ..Default::default() }; let headers = resolve_headers(&connection, &|_| Some("env-key".into())).unwrap(); @@ -639,7 +639,7 @@ mod tests { #[test] fn blank_explicit_key_uses_environment_key() { let connection = OcrConnection { - api_key: Some(" ".into()), + api_key: Some(litellm_auth::SecretValue::new(" ")), ..Default::default() }; let headers = resolve_headers(&connection, &|_| Some(" env-key ".into())).unwrap(); diff --git a/litellm-rust/crates/llms/src/vertex_ai/ocr/transformation.rs b/litellm-rust/crates/llms/src/vertex_ai/ocr/transformation.rs index ea0bcf3d08c..c2cb23d0010 100644 --- a/litellm-rust/crates/llms/src/vertex_ai/ocr/transformation.rs +++ b/litellm-rust/crates/llms/src/vertex_ai/ocr/transformation.rs @@ -134,7 +134,10 @@ impl VertexAiOcrConfig { .vertex_auth() .validate_environment( connection.extra_headers.clone(), - connection.api_key.as_deref(), + connection + .api_key + .as_ref() + .map(litellm_auth::SecretValue::expose), config, &credential_env, ) diff --git a/litellm-rust/crates/python-bridge/AGENTS.md b/litellm-rust/crates/python-bridge/AGENTS.md index 9932594e2f5..5dccfb4aca8 100644 --- a/litellm-rust/crates/python-bridge/AGENTS.md +++ b/litellm-rust/crates/python-bridge/AGENTS.md @@ -1,7 +1,7 @@ - Target invariants, not completion claims; these supersede older conflicting bridge guidance - Keep this crate the product-specific PyO3 consumer of `litellm-host-python` - Own registration, input projection, the route host and the caller callables it answers operations with (file readers, token providers), public response/error construction and the per-call composition of machine, route host and callback contract - - Legacy callback sharing (the caller's args, kwargs and request object, body/header roots, `passthrough_fields` re-aliasing) lives in `litellm-callbacks-legacy` behind `PublicCall` and `run_legacy_call`; the bridge hands the public call over and keeps no copy + - Legacy callback sharing (the caller's args, kwargs and request object, body/header roots, re-aliasing unchanged body keys) lives in `litellm-callbacks-legacy` behind `PublicCall` and `run_legacy_call`; the bridge hands the public call over and keeps no copy - Value-oriented execution, sync waiting, nested-runtime checks, signal polling and panic containment live in `litellm-host-python`; native async work uses `pyo3-async-runtimes`, Serde output uses `Pythonized` - Core owns typed native state, the route machine, provider preparation/I/O and normalization; the host driver owns terminal events; the legacy adapter in `litellm-callbacks-legacy` owns `Logging` dispatch policy - Python, Rust SDK and gateway use one lifecycle-bearing core route entrypoint; provider helpers stay private, never bridge-accessible transport drivers diff --git a/litellm-rust/crates/python-bridge/src/marshal.rs b/litellm-rust/crates/python-bridge/src/marshal.rs index ea4077b102f..2aba51cc4ff 100644 --- a/litellm-rust/crates/python-bridge/src/marshal.rs +++ b/litellm-rust/crates/python-bridge/src/marshal.rs @@ -18,10 +18,6 @@ pub(crate) struct RouteOptions { pub(crate) timeout: Option, } -pub(crate) fn body_argument(value: &Bound<'_, PyAny>) -> PyResult> { - required_object("body", from_py_argument(value)?) -} - pub(crate) fn messages_argument(value: &Bound<'_, PyAny>) -> PyResult> { match from_py_argument(value)? { Value::Array(values) => Ok(values), @@ -192,18 +188,6 @@ mod tests { json!([{"role": "user", "content": [{"type": "text", "text": "hi"}]}]) ); - let body = py - .eval( - c"{'model': 'claude', 'metadata': {'user': '1'}}", - None, - None, - ) - .unwrap(); - assert_eq!( - Value::Object(body_argument(&body).unwrap()), - json!({"model": "claude", "metadata": {"user": "1"}}) - ); - let params = py.eval(c"{'temperature': 0.2}", None, None).unwrap(); assert_eq!( optional_params_argument(¶ms).unwrap(), diff --git a/litellm-rust/crates/python-bridge/src/routes/messages.rs b/litellm-rust/crates/python-bridge/src/routes/messages.rs deleted file mode 100644 index daec931c92e..00000000000 --- a/litellm-rust/crates/python-bridge/src/routes/messages.rs +++ /dev/null @@ -1,88 +0,0 @@ -use litellm_core::messages::{Error, messages as run_messages, types::MessagesRequest}; -use litellm_host_python::{run_async, run_sync}; -use litellm_types::llms::anthropic_messages::anthropic_response::AnthropicMessagesResponse; -use pyo3::prelude::*; -use serde_json::{Map, Value}; - -use crate::{ - errors::messages_error_to_pyerr, - marshal::{RouteOptions, body_argument, extra_headers_argument, optional_timeout}, -}; - -async fn execute( - body: Map, - options: RouteOptions, -) -> Result { - let RouteOptions { - model, - api_key, - api_base, - custom_llm_provider, - extra_headers, - timeout, - } = options; - run_messages(MessagesRequest { - model: &model, - body: Value::Object(body), - api_key: api_key.as_deref(), - api_base: api_base.as_deref(), - custom_llm_provider: custom_llm_provider.as_deref(), - extra_headers, - timeout, - }) - .await -} - -#[pyfunction] -#[pyo3(signature = (model, body, api_key=None, api_base=None, custom_llm_provider=None, extra_headers=None, timeout_seconds=None))] -#[expect( - clippy::too_many_arguments, - reason = "one parameter per Python keyword" -)] -pub(crate) fn messages( - py: Python<'_>, - model: String, - #[pyo3(from_py_with = body_argument)] body: Map, - api_key: Option, - api_base: Option, - custom_llm_provider: Option, - #[pyo3(from_py_with = extra_headers_argument)] extra_headers: Option>, - timeout_seconds: Option, -) -> PyResult> { - let options = RouteOptions { - model, - api_key, - api_base, - custom_llm_provider, - extra_headers, - timeout: optional_timeout(timeout_seconds), - }; - run_sync(py, execute(body, options), messages_error_to_pyerr) -} - -#[pyfunction] -#[pyo3(signature = (model, body, api_key=None, api_base=None, custom_llm_provider=None, extra_headers=None, timeout_seconds=None))] -#[expect( - clippy::too_many_arguments, - reason = "one parameter per Python keyword" -)] -pub(crate) fn amessages<'py>( - py: Python<'py>, - model: String, - #[pyo3(from_py_with = body_argument)] body: Map, - api_key: Option, - api_base: Option, - custom_llm_provider: Option, - #[pyo3(from_py_with = extra_headers_argument)] extra_headers: Option>, - timeout_seconds: Option, -) -> PyResult> { - let options = RouteOptions { - model, - api_key, - api_base, - custom_llm_provider, - extra_headers, - timeout: optional_timeout(timeout_seconds), - }; - run_async(py, execute(body, options), messages_error_to_pyerr) -} diff --git a/litellm-rust/crates/python-bridge/src/routes/messages/host.rs b/litellm-rust/crates/python-bridge/src/routes/messages/host.rs new file mode 100644 index 00000000000..c1b3f59df58 --- /dev/null +++ b/litellm-rust/crates/python-bridge/src/routes/messages/host.rs @@ -0,0 +1,186 @@ +use bytes::Bytes; +use litellm_core::messages::{ + Error, + route::{Messages, MessagesCall, MessagesOp, MessagesOpResult, MessagesOutput}, +}; +use litellm_host_python::{InvokeError, RouteHost, from_py, lookup, to_py}; +use litellm_llms::custom_httpx::transport::Error as TransportError; +use pyo3::{ + exceptions::{PyException, PyValueError}, + gc::{PyTraverseError, PyVisit}, + prelude::*, + types::{PyBytes, PyDict}, +}; +use serde_json::{Map, Value}; + +use crate::{ + errors::{RustUpstreamError, messages_error_to_pyerr}, + marshal::{optional_timeout, python_timeout_seconds}, +}; + +/// The Anthropic Messages body fields a caller may pass besides `model` and `messages`, +/// as `AnthropicMessagesRequestOptionalParams` declares them. +const BODY_FIELDS: [&str; 20] = [ + "max_tokens", + "metadata", + "stop_sequences", + "stream", + "system", + "temperature", + "thinking", + "tool_choice", + "tools", + "top_k", + "inference_geo", + "top_p", + "mcp_servers", + "context_management", + "container", + "output_format", + "speed", + "output_config", + "cache_control", + "reasoning_effort", +]; + +/// The Python side of the Messages route: projects the prepared arguments and builds the +/// public response, chunks and exceptions. +pub(super) struct MessagesRouteHost { + request: Py, +} + +impl MessagesRouteHost { + pub(super) fn new(request: Py) -> Self { + Self { request } + } + + fn project(&self, py: Python<'_>, arguments: &Bound<'_, PyDict>) -> PyResult { + let request = self.request.bind(py); + let argument = |name: &str| -> PyResult>> { + Ok(lookup(arguments, request, name)?.filter(|value| !value.is_none())) + }; + let string = |name: &str| -> PyResult> { + argument(name)?.map(|value| value.extract()).transpose() + }; + let model = string("model")?.ok_or_else(|| PyValueError::new_err("model is required"))?; + let messages = + argument("messages")?.ok_or_else(|| PyValueError::new_err("messages is required"))?; + let fields = BODY_FIELDS + .iter() + .filter_map(|name| match argument(name) { + Ok(Some(value)) => Some(from_py(&value).map(|value| ((*name).to_string(), value))), + Ok(None) => None, + Err(error) => Some(Err(error)), + }) + .collect::>>()?; + let body = [ + ("model".to_string(), Value::String(model.clone())), + ("messages".to_string(), from_py(&messages)?), + ] + .into_iter() + .chain(fields) + .collect::>(); + let timeout = argument("timeout")? + .map(|value| python_timeout_seconds(py, value.unbind())) + .transpose()? + .flatten(); + Ok(MessagesCall { + model, + body, + api_key: string("api_key")?, + api_base: string("api_base")?, + custom_llm_provider: string("custom_llm_provider")?, + extra_headers: argument("extra_headers")? + .map(|value| from_py(&value)) + .transpose()?, + timeout: optional_timeout(timeout), + }) + } + + fn provider(&self, py: Python<'_>) -> String { + self.request + .bind(py) + .getattr("custom_llm_provider") + .and_then(|value| value.extract::>()) + .ok() + .flatten() + .unwrap_or_else(|| "anthropic".into()) + } + + fn map_failure(&self, py: Python<'_>, error: PyErr) -> PyErr { + if !error.is_instance_of::(py) { + return error; + } + let mapped = py + .import("litellm.rust_bridge.messages.route_host") + .and_then(|module| module.getattr("map_failure")) + .and_then(|map| map.call1((error.value(py), self.request.bind(py), self.provider(py)))) + .and_then(|mapped| { + mapped + .extract::>() + .map_err(PyErr::from) + }); + match mapped { + Ok(mapped) => PyErr::from_value(mapped.into_bound(py).into_any()), + Err(_) => error, + } + } +} + +impl RouteHost for MessagesRouteHost { + type Route = Messages; + type Failure = PyErr; + + fn invoke( + &mut self, + py: Python<'_>, + arguments: &Bound<'_, PyDict>, + op: MessagesOp, + ) -> Result> { + match op { + MessagesOp::ProjectRequest => self + .project(py, arguments) + .map(|call| MessagesOpResult::Request(Box::new(call))) + .map_err(|error| InvokeError::Python(self.map_failure(py, error))), + } + } + + fn complete(&mut self, py: Python<'_>, response: MessagesOutput) -> PyResult> { + match response { + MessagesOutput::Message(message) => py + .import("litellm.rust_bridge.messages.route_host")? + .getattr("response")? + .call1((to_py(py, message.as_ref())?,)) + .map(Bound::unbind), + MessagesOutput::Streamed => Ok(py.None()), + } + } + + fn chunk(&mut self, py: Python<'_>, chunk: Bytes) -> PyResult> { + Ok(PyBytes::new(py, &chunk).into_any().unbind()) + } + + fn classify(&self, py: Python<'_>, error: Error) -> PyResult { + let native = match error { + Error::Transport(TransportError::Http { status, body }) => { + let error = RustUpstreamError::new_err((status, body)); + error + .value(py) + .setattr("headers", Vec::<(String, String)>::new())?; + error + } + other => messages_error_to_pyerr(other), + }; + Ok(self.map_failure(py, native)) + } + + fn host_error(error: &PyErr) -> Error { + Error::InvalidRequest(error.to_string()) + } + + fn close(&mut self, _: Python<'_>) {} + + fn traverse(&self, visit: &PyVisit<'_>) -> Result<(), PyTraverseError> { + visit.call(&self.request) + } +} diff --git a/litellm-rust/crates/python-bridge/src/routes/messages/mod.rs b/litellm-rust/crates/python-bridge/src/routes/messages/mod.rs new file mode 100644 index 00000000000..8c42315ac59 --- /dev/null +++ b/litellm-rust/crates/python-bridge/src/routes/messages/mod.rs @@ -0,0 +1,68 @@ +mod host; + +use host::MessagesRouteHost; +use litellm_callbacks_legacy::{LegacySurface, PassThroughStream, PublicCall, run_legacy_call}; +use litellm_core::messages::route::{messages_machine, supports}; +use pyo3::{ + prelude::*, + types::{PyDict, PyTuple}, +}; + +use crate::errors::RustBridgeDeclined; + +const SURFACE: LegacySurface = LegacySurface { + call_type: "anthropic_messages", + input_description: "Messages", + stream: Some(PassThroughStream { + url_route: "/v1/messages", + endpoint_type: "anthropic", + }), +}; + +fn run_messages( + py: Python<'_>, + request: Bound<'_, PyAny>, + args: Bound<'_, PyTuple>, + kwargs: Bound<'_, PyDict>, + asynchronous: bool, +) -> PyResult> { + let model: String = request.getattr("model")?.extract()?; + let provider: Option = request.getattr("custom_llm_provider")?.extract()?; + let stream = request + .getattr("stream")? + .extract::>()? + .unwrap_or(false); + if !supports(&model, provider.as_deref(), stream) { + return Err(RustBridgeDeclined::new_err( + "the Rust Messages route does not serve this provider", + )); + } + run_legacy_call( + py, + SURFACE, + PublicCall::capture(&request, &args, &kwargs)?, + messages_machine(), + MessagesRouteHost::new(request.unbind()), + asynchronous, + ) +} + +#[pyfunction] +pub(crate) fn messages( + py: Python<'_>, + request: Bound<'_, PyAny>, + args: Bound<'_, PyTuple>, + kwargs: Bound<'_, PyDict>, +) -> PyResult> { + run_messages(py, request, args, kwargs, false) +} + +#[pyfunction] +pub(crate) fn amessages( + py: Python<'_>, + request: Bound<'_, PyAny>, + args: Bound<'_, PyTuple>, + kwargs: Bound<'_, PyDict>, +) -> PyResult> { + run_messages(py, request, args, kwargs, true) +} diff --git a/litellm-rust/crates/python-bridge/src/routes/mod.rs b/litellm-rust/crates/python-bridge/src/routes/mod.rs index f59e32a28e2..2d6b849a6b1 100644 --- a/litellm-rust/crates/python-bridge/src/routes/mod.rs +++ b/litellm-rust/crates/python-bridge/src/routes/mod.rs @@ -22,11 +22,6 @@ mod tests { "atranscription", "(model, audio, api_key=None, api_base=None, custom_llm_provider=None, extra_headers=None, optional_params=None, timeout_seconds=None)", ), - ( - "messages", - "amessages", - "(model, body, api_key=None, api_base=None, custom_llm_provider=None, extra_headers=None, timeout_seconds=None)", - ), ( "chat_completions", "achat_completions", @@ -113,25 +108,6 @@ value = Broken() ); assert_eq!(async_chat_error.to_string(), sync_chat_error.to_string()); - let invalid_body = PyList::empty(py); - let sync_messages_error = module - .getattr("messages") - .and_then(|function| function.call1(("model", &invalid_body))) - .expect_err("sync Messages should reject a non-dict body"); - let async_messages_error = module - .getattr("amessages") - .and_then(|function| function.call1(("model", &invalid_body))) - .expect_err("async Messages should reject a non-dict body"); - - assert_eq!( - sync_messages_error.to_string(), - "ValueError: body must be a dict" - ); - assert_eq!( - async_messages_error.to_string(), - sync_messages_error.to_string() - ); - let invalid_headers = PyList::empty(py); let kwargs = PyDict::new(py); kwargs @@ -193,13 +169,6 @@ value = Broken() headers_kwargs .set_item("extra_headers", &invalid) .expect("kwargs should accept extra_headers"); - let invalid_body = PyList::empty(py); - let error = module - .getattr("messages") - .and_then(|function| function.call(("model", &invalid_body), Some(&headers_kwargs))) - .expect_err("body should be validated before headers"); - assert_eq!(error.to_string(), "ValueError: body must be a dict"); - let invalid_payload = PyModule::new(py, "invalid_payload").expect("invalid payload should be created"); let error = module diff --git a/litellm-rust/crates/python-bridge/src/routes/ocr/host.rs b/litellm-rust/crates/python-bridge/src/routes/ocr/host.rs index 9dc891a91d6..77c8d5d6641 100644 --- a/litellm-rust/crates/python-bridge/src/routes/ocr/host.rs +++ b/litellm-rust/crates/python-bridge/src/routes/ocr/host.rs @@ -1,9 +1,9 @@ use litellm_auth::ResolvedCredential; use litellm_core::ocr::route::{Ocr, OcrOp, OcrOpResult}; -use litellm_host_python::{RouteHost, missing_state, to_py}; +use litellm_host_python::{InvokeError, RouteHost, missing_state, to_py}; use litellm_llms::base_llm::ocr::{error::Error, transformation::LiteLLMOcrResponse}; use pyo3::{ - exceptions::PyBaseException, + exceptions::{PyBaseException, PyException}, gc::{PyTraverseError, PyVisit}, prelude::*, types::PyDict, @@ -57,12 +57,8 @@ impl OcrRouteHost { .ok_or_else(missing_state)? .acquire(py) } -} -impl RouteHost for OcrRouteHost { - type Route = Ocr; - - fn invoke( + fn answer( &mut self, py: Python<'_>, arguments: &Bound<'_, PyDict>, @@ -88,6 +84,40 @@ impl RouteHost for OcrRouteHost { } } + fn map_failure(&self, py: Python<'_>, error: PyErr) -> PyErr { + if !error.is_instance_of::(py) { + return error; + } + let provider = match &self.data { + OcrHostData::Projected(handles) => handles.provider, + _ => "", + }; + let mapped = py + .import("litellm.rust_bridge.ocr.route_host") + .and_then(|module| module.getattr("map_failure")) + .and_then(|map| map.call1((error.value(py), self.request.bind(py), provider))) + .and_then(|mapped| mapped.extract::>().map_err(PyErr::from)); + match mapped { + Ok(mapped) => PyErr::from_value(mapped.into_bound(py).into_any()), + Err(_) => error, + } + } +} + +impl RouteHost for OcrRouteHost { + type Route = Ocr; + type Failure = PyErr; + + fn invoke( + &mut self, + py: Python<'_>, + arguments: &Bound<'_, PyDict>, + op: OcrOp, + ) -> Result> { + self.answer(py, arguments, op) + .map_err(|error| InvokeError::Python(self.map_failure(py, error))) + } + fn complete(&mut self, py: Python<'_>, response: LiteLLMOcrResponse) -> PyResult> { py.import("litellm.rust_bridge.ocr.route_host")? .getattr("response")? @@ -95,27 +125,18 @@ impl RouteHost for OcrRouteHost { .map(Bound::unbind) } - fn native_error(error: Error) -> PyErr { - ocr_error_to_pyerr(error) + fn chunk(&mut self, _: Python<'_>, chunk: std::convert::Infallible) -> PyResult> { + match chunk {} + } + + fn classify(&self, py: Python<'_>, error: Error) -> PyResult { + Ok(self.map_failure(py, ocr_error_to_pyerr(error))) } fn host_error(error: &PyErr) -> Error { Error::InvalidRequest(error.to_string()) } - fn map_failure(&self, py: Python<'_>, error: &PyErr) -> PyResult { - let provider = match &self.data { - OcrHostData::Projected(handles) => handles.provider, - _ => "", - }; - let mapped: Py = py - .import("litellm.rust_bridge.ocr.route_host")? - .getattr("map_failure")? - .call1((error.value(py), self.request.bind(py), provider))? - .extract()?; - Ok(PyErr::from_value(mapped.into_bound(py).into_any())) - } - fn close(&mut self, _: Python<'_>) { self.data = OcrHostData::Released; } diff --git a/litellm-rust/crates/python-bridge/src/routes/ocr/mod.rs b/litellm-rust/crates/python-bridge/src/routes/ocr/mod.rs index b5bb941708d..8afa1e2a906 100644 --- a/litellm-rust/crates/python-bridge/src/routes/ocr/mod.rs +++ b/litellm-rust/crates/python-bridge/src/routes/ocr/mod.rs @@ -15,6 +15,7 @@ use pyo3::{ const SURFACE: LegacySurface = LegacySurface { call_type: "ocr", input_description: "OCR document processing", + stream: None, }; const ASYNC_SURFACE: LegacySurface = LegacySurface { diff --git a/litellm-rust/crates/python-bridge/src/routes/ocr/project.rs b/litellm-rust/crates/python-bridge/src/routes/ocr/project.rs index 7ffa129f85c..5dd2aa804b8 100644 --- a/litellm-rust/crates/python-bridge/src/routes/ocr/project.rs +++ b/litellm-rust/crates/python-bridge/src/routes/ocr/project.rs @@ -1,3 +1,4 @@ +use litellm_auth::SecretValue; use litellm_core::ocr::{ types::{LiteLLMOcrRequest, OcrDocumentInput}, wire::{OcrWireRequest, consumed_optional_params, decode_document, decode_request_input}, @@ -31,7 +32,7 @@ struct OcrArguments<'a, 'py> { impl<'py> OcrArguments<'_, 'py> { fn lookup(&self, name: &str) -> PyResult> { - litellm_callbacks_legacy::lookup(self.kwargs, self.request, name)? + litellm_host_python::lookup(self.kwargs, self.request, name)? .ok_or_else(|| PyValueError::new_err(format!("missing argument: {name}"))) } @@ -47,8 +48,11 @@ impl<'py> OcrArguments<'_, 'py> { self.lookup("document") } - fn api_key(&self) -> PyResult> { - self.lookup("api_key")?.extract() + fn api_key(&self) -> PyResult> { + Ok(self + .lookup("api_key")? + .extract::>()? + .map(SecretValue::new)) } fn api_base(&self) -> PyResult> { diff --git a/litellm/litellm_core_utils/litellm_logging.py b/litellm/litellm_core_utils/litellm_logging.py index 4a9a65b1485..7248c2f3590 100644 --- a/litellm/litellm_core_utils/litellm_logging.py +++ b/litellm/litellm_core_utils/litellm_logging.py @@ -1265,11 +1265,6 @@ class Logging(LiteLLMLoggingBaseClass): additional_args.get("api_base", "") ) - def record_api_call_start_time(self) -> None: - self.model_call_details["api_call_start_time"] = datetime.datetime.now() - if self.model_call_details.get("first_api_call_start_time") is None: - self.model_call_details["first_api_call_start_time"] = self.model_call_details["api_call_start_time"] - def pre_call(self, input, api_key, model=None, additional_args={}): # Log the exact input to the LLM API try: @@ -1334,7 +1329,15 @@ class Logging(LiteLLMLoggingBaseClass): "LiteLLM.LoggingError: [Non-Blocking] Exception occurred while logging %s", e ) - self.record_api_call_start_time() + self.model_call_details["api_call_start_time"] = datetime.datetime.now() + # Set-once first provider-handoff instant. api_call_start_time + # is overwritten on every retry, so it can't measure one-time + # preprocessing; pinning the first attempt excludes retry loops + # + backoff. Logging object only — must NOT go into + # litellm_params["metadata"] (caller request metadata, typed + # Dict[str, str], echoed downstream; a datetime breaks it). + if self.model_call_details.get("first_api_call_start_time") is None: + self.model_call_details["first_api_call_start_time"] = self.model_call_details["api_call_start_time"] # Input Integration Logging -> If you want to log the fact that an attempt to call the model was made callbacks: Final = litellm.input_callback + (self.dynamic_input_callbacks or []) for callback in callbacks: @@ -1468,21 +1471,16 @@ class Logging(LiteLLMLoggingBaseClass): """ return _get_masked_values(headers, ignore_sensitive_values=ignore_sensitive_headers) - def record_post_call( - self, original_response: object, input: object, api_key: object, additional_args: dict[str, object] - ) -> None: - self.model_call_details["input"] = input - self.model_call_details["api_key"] = api_key - self.model_call_details["original_response"] = original_response - self.model_call_details["additional_args"] = additional_args - self.model_call_details["log_event_type"] = "post_api_call" - def post_call(self, original_response, input=None, api_key=None, additional_args={}): # Log the exact result from the LLM API, for streaming - log the type of response received if isinstance(original_response, dict): original_response = json.dumps(original_response, default=str) try: - self.record_post_call(original_response, input, api_key, additional_args) + self.model_call_details["input"] = input + self.model_call_details["api_key"] = api_key + self.model_call_details["original_response"] = original_response + self.model_call_details["additional_args"] = additional_args + self.model_call_details["log_event_type"] = "post_api_call" attr: Literal["warning", "debug"] if self.litellm_request_debug: @@ -2177,7 +2175,6 @@ class Logging(LiteLLMLoggingBaseClass): logging_result, start_time, end_time, - build_logging_payload: bool = True, ): """Resolve hidden params, compute response cost, and emit the standard logging payload.""" hidden_params: Final = getattr(logging_result, "_hidden_params", {}) @@ -2202,9 +2199,6 @@ class Logging(LiteLLMLoggingBaseClass): else: self.model_call_details["response_cost"] = self._response_cost_calculator(result=logging_result) - if not build_logging_payload: - return - self.model_call_details["standard_logging_object"] = self._build_standard_logging_payload( logging_result, start_time, end_time ) @@ -2266,7 +2260,6 @@ class Logging(LiteLLMLoggingBaseClass): end_time=None, cache_hit=None, standard_logging_object: StandardLoggingPayload | None = None, - build_logging_payload: bool = True, ): try: if start_time is None: @@ -2304,7 +2297,6 @@ class Logging(LiteLLMLoggingBaseClass): logging_result=logging_result, start_time=start_time, end_time=end_time, - build_logging_payload=build_logging_payload, ) elif standard_logging_object is not None: self.model_call_details["standard_logging_object"] = standard_logging_object @@ -3328,9 +3320,7 @@ class Logging(LiteLLMLoggingBaseClass): except Exception as e: verbose_logger.debug("Error in _handle_callback_failure: %s", e) - def _failure_handler_helper_fn( - self, exception, traceback_exception, start_time=None, end_time=None, build_logging_payload: bool = True - ): + def _failure_handler_helper_fn(self, exception, traceback_exception, start_time=None, end_time=None): if start_time is None: start_time = self.start_time if end_time is None: @@ -3365,9 +3355,6 @@ class Logging(LiteLLMLoggingBaseClass): metadata: Final = self.model_call_details["litellm_params"].get("metadata", {}) or {} metadata.update(exception.headers) - if not build_logging_payload: - return start_time, end_time - ## STANDARDIZED LOGGING PAYLOAD self.model_call_details["standard_logging_object"] = get_standard_logging_object_payload( diff --git a/litellm/rust_bridge/_native.pyi b/litellm/rust_bridge/_native.pyi index 488e278cca7..9f959c056de 100644 --- a/litellm/rust_bridge/_native.pyi +++ b/litellm/rust_bridge/_native.pyi @@ -1,9 +1,11 @@ from asyncio import Future -from collections.abc import Coroutine, Mapping, Sequence +from collections.abc import AsyncIterator, Coroutine, Iterator, Mapping, Sequence from typing import Never, final from litellm.llms.base_llm.ocr.transformation import OCRResponse +from litellm.rust_bridge.messages.entrypoints import LiteLLMMessagesRequest from litellm.rust_bridge.ocr.entrypoints import LiteLLMOcrRequest +from litellm.types.llms.anthropic_messages.anthropic_response import AnthropicMessagesResponse class RustBridgeDeclined(Exception): ... class RustUpstreamError(Exception): ... @@ -39,23 +41,15 @@ def atranscription( timeout_seconds: float | None = None, ) -> Future[dict[str, object]]: ... def messages( - model: str, - body: Mapping[str, object], - api_key: str | None = None, - api_base: str | None = None, - custom_llm_provider: str | None = None, - extra_headers: Mapping[str, object] | None = None, - timeout_seconds: float | None = None, -) -> dict[str, object]: ... + request: LiteLLMMessagesRequest, + args: tuple[object, ...], + kwargs: dict[str, object], +) -> AnthropicMessagesResponse | Iterator[bytes]: ... def amessages( - model: str, - body: Mapping[str, object], - api_key: str | None = None, - api_base: str | None = None, - custom_llm_provider: str | None = None, - extra_headers: Mapping[str, object] | None = None, - timeout_seconds: float | None = None, -) -> Future[dict[str, object]]: ... + request: LiteLLMMessagesRequest, + args: tuple[object, ...], + kwargs: dict[str, object], +) -> Coroutine[object, object, AnthropicMessagesResponse | AsyncIterator[bytes]]: ... def chat_completions_decline( model: str, messages: Sequence[object], diff --git a/litellm/rust_bridge/catalog.py b/litellm/rust_bridge/catalog.py index 9efbbfa2e9e..d843a874fe3 100644 --- a/litellm/rust_bridge/catalog.py +++ b/litellm/rust_bridge/catalog.py @@ -59,6 +59,7 @@ Rules: TypeAlias = tuple[Rule, ...] RULES: Final[Rules] = ( Rule(Route.OCR, Rollout.RUST_OPT_OUT), + Rule(Route.MESSAGES, Rollout.RUST_OPT_IN), Rule(Route.TRANSCRIPTION, Rollout.RUST_REQUIRED, providers=frozenset({"bedrock"})), ) diff --git a/litellm/rust_bridge/failures.py b/litellm/rust_bridge/failures.py index b714341fe43..80805b7ff69 100644 --- a/litellm/rust_bridge/failures.py +++ b/litellm/rust_bridge/failures.py @@ -5,8 +5,37 @@ from __future__ import annotations from collections.abc import Mapping from typing import Final, Protocol, cast # noqa: TID251 # adapts the public exception mapper +import httpx +import openai +from pydantic import TypeAdapter, ValidationError + import litellm +_UPSTREAM_ARGS: Final = TypeAdapter(tuple[int, str]) +_UPSTREAM_HEADERS: Final = TypeAdapter(list[tuple[str, str]]) + + +class UpstreamFailure(Exception): + def __init__(self, response: httpx.Response, cause: Exception) -> None: + super().__init__(str(cause)) + self.message: Final = str(cause) + self.response: Final = response + self.status_code: Final = response.status_code + self.__cause__ = cause + + +def _upstream_failure(error: Exception, api_base: str | None) -> Exception: + try: + status, body = _UPSTREAM_ARGS.validate_python(error.args) + headers: Final = _UPSTREAM_HEADERS.validate_python(getattr(error, "headers", None)) + except ValidationError: + return error + http_request: Final = httpx.Request("POST", api_base or "https://docs.litellm.ai/docs") + return UpstreamFailure( + httpx.Response(status, content=body.encode(), headers=headers, request=http_request), + error, + ) + class ExceptionMapper(Protocol): def __call__( @@ -35,3 +64,17 @@ def map_failure(error: Exception, model: str, request_provider: str, kwargs: Map except Exception as public_error: public_error.__context__ = error return public_error + + +def map_native_failure( + error: Exception, model: str, request_provider: str, kwargs: Mapping[str, object], api_base: str | None = None +) -> Exception: + """`map_failure`, reading a native `(status, body)` provider failure as the HTTP response it was.""" + original: Final = _upstream_failure(error, api_base) + public_error: Final = map_failure(original, model, request_provider, kwargs) + if isinstance(original, UpstreamFailure) and public_error.__context__ is original: + public_error.__context__ = error + if isinstance(public_error, openai.APIStatusError): + public_error.response = original.response + public_error.status_code = original.status_code + return public_error diff --git a/litellm/rust_bridge/legacy_callbacks.py b/litellm/rust_bridge/legacy_callbacks.py index e05d9368fa8..30aa1d97bfc 100644 --- a/litellm/rust_bridge/legacy_callbacks.py +++ b/litellm/rust_bridge/legacy_callbacks.py @@ -6,24 +6,23 @@ registries it fans out to. It expires with that contract. from __future__ import annotations +import asyncio +import contextvars import datetime -import os +import traceback import uuid -from collections.abc import Mapping +from collections.abc import Awaitable, Coroutine, Mapping from dataclasses import dataclass from typing import ( TYPE_CHECKING, Final, - Literal, Protocol, - TypeAlias, cast, # noqa: TID251 # bounded compatibility calls into legacy Python integrations ) -from typing_extensions import assert_never - if TYPE_CHECKING: from litellm.litellm_core_utils.litellm_logging import Logging + from litellm.types.utils import CredentialItem class MetadataUpdater(Protocol): @@ -42,7 +41,6 @@ class MetadataUpdater(Protocol): class CallSetup: logger: Logging kwargs: dict[str, object] - bridge_owned: bool def setup( @@ -61,19 +59,23 @@ def setup( } supplied: Final = arguments.get("litellm_logging_obj") if isinstance(supplied, Logging): - return CallSetup(supplied, arguments, bridge_owned=False) + return CallSetup(supplied, arguments) logger, prepared = function_setup(call_type, Rules(), start_time, *args, is_async_call=asynchronous, **arguments) - return CallSetup(logger, prepared, bridge_owned=True) + return CallSetup(logger, prepared) def check_limits(kwargs: Mapping[str, object]) -> None: - import litellm + from litellm import ( + BudgetExceededError, + _current_cost, # pyright: ignore[reportPrivateUsage] # shared SDK budget counter has no public accessor + max_budget, + num_retries_per_request, + ) from litellm.litellm_core_utils.core_helpers import max_retries_per_request_hit - current_cost: Final = litellm._current_cost # pyright: ignore[reportPrivateUsage] # shared SDK budget counter has no public accessor - if litellm.max_budget and current_cost > litellm.max_budget: - raise litellm.BudgetExceededError(current_cost=current_cost, max_budget=litellm.max_budget) - if max_retries_per_request_hit(kwargs, litellm.num_retries_per_request): + if max_budget and _current_cost > max_budget: + raise BudgetExceededError(current_cost=_current_cost, max_budget=max_budget) + if max_retries_per_request_hit(kwargs, num_retries_per_request): raise RuntimeError("Max retries per request hit!") @@ -93,87 +95,304 @@ def finalize( update(response, logger, model if isinstance(model, str) else None, kwargs, start_time, end_time) -def deployment_callbacks_needed() -> bool: - import litellm - from litellm.integrations.custom_logger import CustomLogger +class LoggingSurface(Protocol): + def update_from_kwargs( + self, + kwargs: dict[str, object], + litellm_params: dict[str, object] | None = None, + optional_params: dict[str, object] | None = None, + model: str | None = None, + user: str | None = None, + **additional_params: object, + ) -> None: ... - return any(isinstance(callback, CustomLogger) for callback in litellm.callbacks) + def pre_call( + self, input: object, api_key: object, model: object = None, additional_args: dict[str, object] = ... + ) -> object: ... + + def post_call( + self, + original_response: object, + input: object = None, + api_key: object = None, + additional_args: dict[str, object] = ..., + ) -> object: ... + + def handle_sync_success_callbacks_for_async_calls( + self, result: object, start_time: datetime.datetime, end_time: datetime.datetime, cache_hit: object = None + ) -> None: ... + + def failure_handler( + self, + exception: Exception, + traceback_exception: str, + start_time: datetime.datetime | None = None, + end_time: datetime.datetime | None = None, + ) -> None: ... + + def async_failure_handler( + self, + exception: Exception, + traceback_exception: str, + start_time: datetime.datetime | None = None, + end_time: datetime.datetime | None = None, + ) -> Coroutine[object, object, None]: ... + + def success_handler( + self, + result: object = None, + start_time: datetime.datetime | None = None, + end_time: datetime.datetime | None = None, + cache_hit: bool | None = None, + **kwargs: object, + ) -> None: ... + + def async_success_handler( + self, + result: object = None, + start_time: datetime.datetime | None = None, + end_time: datetime.datetime | None = None, + cache_hit: bool | None = None, + **kwargs: object, + ) -> Coroutine[object, object, None]: ... -Phase: TypeAlias = Literal[ - "input", "sync_success", "sync_success_async", "async_success", "sync_failure", "async_failure", "payload" -] +if TYPE_CHECKING: + _LOGGING_CONFORMS: type[LoggingSurface] = Logging -def callbacks_needed(logger: Logging, phase: Phase) -> bool: - import litellm - from litellm._logging import ( - _is_debugging_on, # pyright: ignore[reportPrivateUsage] # use the same debug gate as Logging +class LoggingWorker(Protocol): + def ensure_initialized_and_enqueue(self, async_coroutine: Coroutine[object, object, None]) -> None: ... + + +class StreamingLogBuilder(Protocol): + def __call__( + self, + *, + litellm_logging_obj: Logging, + passthrough_success_handler_obj: object, + url_route: str, + request_body: dict[str, object], + endpoint_type: object, + start_time: datetime.datetime, + raw_bytes: list[bytes], + end_time: datetime.datetime, + ) -> Coroutine[object, object, None]: ... + + +class DeploymentHook(Protocol): + def __call__(self, kwargs: dict[str, object], call_type: str) -> Awaitable[object]: ... + + +class DeploymentSuccessHook(Protocol): + def __call__(self, request_data: dict[str, object], response: object, call_type: object) -> Awaitable[object]: ... + + +class DeploymentFailureHook(Protocol): + def __call__(self, request_data: Mapping[str, object], exception: Exception, call_type: str) -> Awaitable[None]: ... + + +def update_logging( + logger: LoggingSurface, + kwargs: dict[str, object], + model: str, + optional_params: dict[str, object], + litellm_params: dict[str, object], + custom_llm_provider: str, +) -> None: + logger.update_from_kwargs( + kwargs=kwargs, + model=model, + optional_params=optional_params, + litellm_params=litellm_params, + custom_llm_provider=custom_llm_provider, ) - if ( - _is_debugging_on() - or getattr(logger, "litellm_request_debug", False) - or os.getenv("LITELLM_PRINT_STANDARD_LOGGING_PAYLOAD") - ): - return True - input_needed: Final = bool( - litellm.input_callback - or litellm._async_input_callback # pyright: ignore[reportPrivateUsage] # live async registries have no public accessor - or logger.dynamic_input_callbacks - or callable(getattr(logger, "logger_fn", None)) - or logger.log_raw_request_response - or litellm.log_raw_request_response + +def pre_call(logger: LoggingSurface, input: str, api_key: str | None, additional_args: dict[str, object]) -> None: + logger.pre_call(input=input, api_key=api_key, additional_args=additional_args) + + +def post_call( + logger: LoggingSurface, original_response: str, api_key: str | None, additional_args: dict[str, object] +) -> None: + logger.post_call(original_response=original_response, api_key=api_key, additional_args=additional_args) + + +def defers_async_logging(logger: LoggingSurface) -> bool: + return bool(getattr(logger, "_defer_async_logging", False)) + + +def defer_success(logger: LoggingSurface, pending: object) -> None: + setattr(logger, "_native_pending_logging", pending) + + +def sync_success_for_async_call( + logger: LoggingSurface, response: object, start: datetime.datetime, end: datetime.datetime +) -> None: + logger.handle_sync_success_callbacks_for_async_calls(result=response, start_time=start, end_time=end) + + +def failure_handler( + logger: LoggingSurface, error: Exception, start: datetime.datetime, end: datetime.datetime, asynchronous: bool +) -> Coroutine[object, object, None] | None: + trace: Final = "".join(traceback.format_exception(error)) + if asynchronous: + return logger.async_failure_handler(error, trace, start, end) + logger.failure_handler(error, trace, start, end) + return None + + +def submit_success(logger: LoggingSurface, response: object, start: datetime.datetime, end: datetime.datetime) -> None: + from litellm.litellm_core_utils.litellm_logging import executor + + executor.submit(contextvars.copy_context().run, logger.success_handler, response, start, end) + + +def async_success_handler( + logger: LoggingSurface, response: object, start: datetime.datetime, end: datetime.datetime +) -> Coroutine[object, object, None]: + return logger.async_success_handler(response, start, end) + + +def enqueue_logging(coroutine: Coroutine[object, object, None]) -> None: + from litellm.litellm_core_utils.logging_worker import GLOBAL_LOGGING_WORKER + + worker: Final = cast( # cast-ok: bounded adapter for the untyped logging worker + LoggingWorker, GLOBAL_LOGGING_WORKER ) - match phase: - case "input": - return input_needed - case "sync_success": - return bool(litellm.success_callback or logger.dynamic_success_callbacks) - case "sync_success_async": - return bool( - (litellm.success_callback or logger.dynamic_success_callbacks) - and logger._should_run_sync_callbacks_for_async_calls() # pyright: ignore[reportPrivateUsage] # preserve async call filtering of sync callbacks - ) - case "async_success": - return bool(litellm._async_success_callback or logger.dynamic_async_success_callbacks) # pyright: ignore[reportPrivateUsage] # live async registries have no public accessor - case "sync_failure": - return bool(litellm.failure_callback or logger.dynamic_failure_callbacks) - case "async_failure": - return bool(litellm._async_failure_callback or logger.dynamic_async_failure_callbacks) # pyright: ignore[reportPrivateUsage] # live async registries have no public accessor - case "payload": - return bool( - input_needed - or litellm.success_callback - or litellm.failure_callback - or litellm._async_success_callback # pyright: ignore[reportPrivateUsage] # live async registries have no public accessor - or litellm._async_failure_callback # pyright: ignore[reportPrivateUsage] # live async registries have no public accessor - or logger.dynamic_success_callbacks - or logger.dynamic_async_success_callbacks - or logger.dynamic_failure_callbacks - or logger.dynamic_async_failure_callbacks - ) - case _: - assert_never(phase) + contextvars.copy_context().run(worker.ensure_initialized_and_enqueue, coroutine) -def success_bookkeeping( - logger: Logging, response: object, start: datetime.datetime, end: datetime.datetime, asynchronous: bool +def restore_context(logger: LoggingSurface) -> None: + from litellm.utils import ( + _restore_correlation_context_if_supported, # pyright: ignore[reportPrivateUsage] # the @client wrapper restores the same correlation context + ) + + _restore_correlation_context_if_supported(logger) + + +def custom_pricing_fields() -> tuple[str, ...]: + from litellm.types.utils import CustomPricingLiteLLMParams + + return tuple(CustomPricingLiteLLMParams.model_fields) + + +def is_internal_call() -> bool: + from litellm._internal_context import is_internal_call as internal + + return internal.get() + + +def credential_list() -> list[CredentialItem]: + from litellm import credential_list as credentials + + return credentials + + +def warn_unknown_credential(name: str, loaded: int) -> None: + from litellm._logging import verbose_logger + + verbose_logger.warning( + "litellm_credential_name=%s matched none of the %d loaded credentials; the request runs without it", + name, + loaded, + ) + + +def before_deployment_call(kwargs: dict[str, object], call_type: str) -> Awaitable[object]: + from litellm import utils + + hook: Final = cast( # cast-ok: bounded adapter for the untyped deployment hook + DeploymentHook, utils.async_pre_call_deployment_hook + ) + return hook(kwargs, call_type) + + +def after_deployment_success(kwargs: dict[str, object], response: object, call_type: str) -> Awaitable[object]: + from litellm import utils + from litellm.types.utils import CallTypes + + hook: Final = cast( # cast-ok: bounded adapter for the untyped deployment hook + DeploymentSuccessHook, utils.async_post_call_success_deployment_hook + ) + return hook(kwargs, response, CallTypes(call_type)) + + +def after_deployment_failure(kwargs: dict[str, object], error: Exception, call_type: str) -> Awaitable[None]: + from litellm import utils + + hook: Final = cast( # cast-ok: bounded adapter for the untyped deployment hook + DeploymentFailureHook, utils.async_post_call_failure_deployment_hook + ) + return hook(kwargs, error, call_type) + + +def stream_opened(logger: Logging) -> None: + logger.stream = True + logger.model_call_details["stream"] = True + + +def stream_success( + logger: Logging, + url_route: str, + endpoint_type: str, + request_body: dict[str, object], + chunks: list[bytes], + start: datetime.datetime, + end: datetime.datetime, + first_chunk: datetime.datetime | None, ) -> None: - phase: Final = "async_success" if asynchronous else "sync_success" - if logger.should_run_logging(phase): - logger._success_handler_helper_fn( # pyright: ignore[reportPrivateUsage] # retain success bookkeeping without constructing a callback payload - result=response, start_time=start, end_time=end, build_logging_payload=False - ) - logger.has_run_logging(phase) + from litellm.llms.anthropic.experimental_pass_through.messages.streaming_iterator import ( + GLOBAL_PASS_THROUGH_SUCCESS_HANDLER_OBJ, + ) + from litellm.proxy.pass_through_endpoints.streaming_handler import PassThroughStreamingHandler + from litellm.types.passthrough_endpoints.pass_through_endpoints import EndpointType + + if first_chunk is not None: + logger.completion_start_time = first_chunk + logger.model_call_details["completion_start_time"] = first_chunk + build: Final = cast( # cast-ok: bounded adapter for the untyped pass-through logging builder + StreamingLogBuilder, + PassThroughStreamingHandler._route_streaming_logging_to_handler, # pyright: ignore[reportPrivateUsage] # the Messages stream iterator bills through the same builder + ) + coroutine: Final = build( + litellm_logging_obj=logger, + passthrough_success_handler_obj=GLOBAL_PASS_THROUGH_SUCCESS_HANDLER_OBJ, + url_route=url_route, + request_body=request_body, + endpoint_type=EndpointType(endpoint_type), + start_time=start, + raw_bytes=chunks, + end_time=end, + ) + if getattr(logger, "_on_deferred_stream_complete", None) is not None: + logger._deferred_stream_complete_args = (coroutine,) # pyright: ignore[reportAttributeAccessIssue] # the proxy's deferred stream release reads this slot + return + try: + asyncio.get_running_loop() + except RuntimeError: + from litellm.litellm_core_utils.litellm_logging import executor + + executor.submit(contextvars.copy_context().run, asyncio.run, coroutine) + return + enqueue_logging(coroutine) -def failure_bookkeeping( - logger: Logging, error: BaseException, start: datetime.datetime, end: datetime.datetime, asynchronous: bool -) -> None: - phase: Final = "async_failure" if asynchronous else "sync_failure" - if logger.should_run_logging(phase): - logger._failure_handler_helper_fn( # pyright: ignore[reportPrivateUsage] # retain failure accounting without formatting an unused traceback or payload - error, "", start, end, build_logging_payload=False - ) - logger.has_run_logging(phase) +def stream_failure( + logger: Logging, + endpoint_type: str, + request_body: dict[str, object], + chunks: list[bytes], + error: Exception, +) -> Coroutine[object, object, None]: + from litellm.proxy.pass_through_endpoints.streaming_handler import PassThroughStreamingHandler + from litellm.types.passthrough_endpoints.pass_through_endpoints import EndpointType + + return PassThroughStreamingHandler.schedule_stream_failure_logging( + litellm_logging_obj=logger, + endpoint_type=EndpointType(endpoint_type), + request_body=request_body, + raw_bytes=chunks, + exception=error, + ) diff --git a/litellm/rust_bridge/lifecycle.py b/litellm/rust_bridge/lifecycle.py index d903021b6f3..4096d386964 100644 --- a/litellm/rust_bridge/lifecycle.py +++ b/litellm/rust_bridge/lifecycle.py @@ -1,8 +1,8 @@ from __future__ import annotations -from collections.abc import Awaitable +from collections.abc import AsyncIterator, Awaitable, Iterator from dataclasses import dataclass -from typing import Protocol +from typing import Final, Protocol @dataclass(frozen=True, slots=True) @@ -15,28 +15,133 @@ class Complete: value: object +@dataclass(frozen=True, slots=True) +class Open: + value: None + + +@dataclass(frozen=True, slots=True) +class Yield: + value: object + + +Settled = Complete | Open | Yield +Step = Await | Settled + + class Execution(Protocol): - def start(self) -> Await | Complete: ... + def start(self) -> Step: ... - def resume_value(self, value: object) -> Await | Complete: ... + def resume_value(self, value: object) -> Step: ... - def resume_error(self, error: BaseException) -> Await | Complete: ... + def resume_error(self, error: BaseException) -> Step: ... def close(self) -> None: ... +class StreamClosed(Exception): + """Tells a streaming execution that its caller stopped reading.""" + + +async def _settle(execution: Execution, step: Step) -> Settled: + while isinstance(step, Await): + try: + value = await step.awaitable # rebind-ok: each selected await produces the next protocol input + except GeneratorExit: + raise + except BaseException as error: + step = execution.resume_error(error) # rebind-ok: advance the execution protocol + else: + step = execution.resume_value(value) # rebind-ok: advance the execution protocol + return step + + +def _settled(step: Step) -> Settled: + if isinstance(step, Await): + raise RuntimeError("sync call suspended") + return step + + async def drive(execution: Execution) -> object: + handed_off = False # rebind-ok: set once the execution belongs to the returned stream try: - step = execution.start() # rebind-ok: the execution protocol advances after each selected await - while isinstance(step, Await): - try: - value = await step.awaitable # rebind-ok: each selected await produces the next protocol input - except GeneratorExit: - raise - except BaseException as error: - step = execution.resume_error(error) # rebind-ok: advance the execution protocol - else: - step = execution.resume_value(value) # rebind-ok: advance the execution protocol + step: Final = await _settle(execution, execution.start()) + if isinstance(step, Open): + handed_off = True + return Stream(execution) return step.value finally: - execution.close() + if not handed_off: + execution.close() + + +class Stream(AsyncIterator[object]): + """A streamed native call: each read resumes the execution until its next chunk.""" + + def __init__(self, execution: Execution) -> None: + self._execution: Final = execution + self._done = False + + def __aiter__(self) -> Stream: + return self + + async def __anext__(self) -> object: + if self._done: + raise StopAsyncIteration + try: + step: Final = await _settle(self._execution, self._execution.resume_value(None)) + except BaseException: + self._finish() + raise + if isinstance(step, Yield): + return step.value + self._finish() + raise StopAsyncIteration + + async def aclose(self) -> None: + if self._done: + return + try: + await _settle(self._execution, self._execution.resume_error(StreamClosed())) + finally: + self._finish() + + def _finish(self) -> None: + self._done = True + self._execution.close() + + +class SyncStream(Iterator[object]): + """The sync form of `Stream`; its execution never suspends on an awaitable.""" + + def __init__(self, execution: Execution) -> None: + self._execution: Final = execution + self._done = False + + def __iter__(self) -> SyncStream: + return self + + def __next__(self) -> object: + if self._done: + raise StopIteration + try: + step: Final = _settled(self._execution.resume_value(None)) + except BaseException: + self._finish() + raise + if isinstance(step, Yield): + return step.value + self._finish() + raise StopIteration + + def close(self) -> None: + if self._done: + return + try: + _settled(self._execution.resume_error(StreamClosed())) + finally: + self._finish() + + def _finish(self) -> None: + self._done = True + self._execution.close() diff --git a/litellm/rust_bridge/messages/entrypoints.py b/litellm/rust_bridge/messages/entrypoints.py index 46565bfd46a..d25c906c4c1 100644 --- a/litellm/rust_bridge/messages/entrypoints.py +++ b/litellm/rust_bridge/messages/entrypoints.py @@ -1,6 +1,6 @@ from __future__ import annotations -from collections.abc import Awaitable, Mapping, Sequence +from collections.abc import AsyncIterator, Awaitable, Iterator, Mapping, Sequence from dataclasses import dataclass from typing import Final, Protocol, cast # noqa: TID251 # validates dynamically loaded native callables @@ -26,7 +26,7 @@ class NativeMessages(Protocol): request: LiteLLMMessagesRequest, args: tuple[object, ...], kwargs: Mapping[str, object], - ) -> AnthropicMessagesResponse: ... + ) -> AnthropicMessagesResponse | Iterator[bytes]: ... class NativeAmessages(Protocol): @@ -35,7 +35,7 @@ class NativeAmessages(Protocol): request: LiteLLMMessagesRequest, args: tuple[object, ...], kwargs: Mapping[str, object], - ) -> Awaitable[AnthropicMessagesResponse]: ... + ) -> Awaitable[AnthropicMessagesResponse | AsyncIterator[bytes]]: ... def _messages_binding(value: object) -> NativeMessages | None: @@ -50,5 +50,5 @@ def _amessages_binding(value: object) -> NativeAmessages | None: return cast("NativeAmessages", value) # cast-ok: callable validated at the native binding boundary -NATIVE_MESSAGES: Final = NativeBinding("anthropic_messages_handler", validate=_messages_binding) -NATIVE_AMESSAGES: Final = NativeBinding("anthropic_messages", validate=_amessages_binding) +NATIVE_MESSAGES: Final = NativeBinding("messages", validate=_messages_binding) +NATIVE_AMESSAGES: Final = NativeBinding("amessages", validate=_amessages_binding) diff --git a/litellm/rust_bridge/messages/route_host.py b/litellm/rust_bridge/messages/route_host.py index 1aff6c7f75d..beef0f81eca 100644 --- a/litellm/rust_bridge/messages/route_host.py +++ b/litellm/rust_bridge/messages/route_host.py @@ -20,4 +20,4 @@ def arguments(request: LiteLLMMessagesRequest) -> Mapping[str, object]: def map_failure(error: Exception, request: LiteLLMMessagesRequest, request_provider: str) -> Exception: - return failures.map_failure(error, request.model, request_provider, arguments(request)) + return failures.map_native_failure(error, request.model, request_provider, arguments(request), request.api_base) diff --git a/litellm/rust_bridge/ocr/route_host.py b/litellm/rust_bridge/ocr/route_host.py index 277fdceb734..bfbd5c11d4e 100644 --- a/litellm/rust_bridge/ocr/route_host.py +++ b/litellm/rust_bridge/ocr/route_host.py @@ -4,40 +4,17 @@ from collections.abc import Mapping from types import MappingProxyType from typing import Final -import httpx -import openai -from pydantic import TypeAdapter, ValidationError +from pydantic import TypeAdapter import litellm from litellm.llms.base_llm.ocr.transformation import PROVIDER_NATIVE_RESPONSE_KEY, OCRResponse from litellm.rust_bridge import failures +from litellm.rust_bridge.failures import UpstreamFailure from litellm.rust_bridge.ocr.entrypoints import LiteLLMOcrRequest +__all__ = ("UpstreamFailure", "arguments", "map_failure", "response") + _RESPONSE_ADAPTER: Final = TypeAdapter(dict[str, object]) -_UPSTREAM_ARGS: Final = TypeAdapter(tuple[int, str]) -_UPSTREAM_HEADERS: Final = TypeAdapter(list[tuple[str, str]]) - - -class UpstreamFailure(Exception): - def __init__(self, response: httpx.Response, cause: Exception) -> None: - super().__init__(str(cause)) - self.message: Final = str(cause) - self.response: Final = response - self.status_code: Final = response.status_code - self.__cause__ = cause - - -def _upstream_failure(error: Exception, request: LiteLLMOcrRequest) -> Exception: - try: - status, body = _UPSTREAM_ARGS.validate_python(error.args) - headers: Final = _UPSTREAM_HEADERS.validate_python(getattr(error, "headers", None)) - except ValidationError: - return error - http_request: Final = httpx.Request("POST", request.api_base or "https://docs.litellm.ai/docs") - return UpstreamFailure( - httpx.Response(status, content=body.encode(), headers=headers, request=http_request), - error, - ) def response(value: Mapping[str, object]) -> OCRResponse: @@ -61,11 +38,4 @@ def map_failure(error: Exception, request: LiteLLMOcrRequest, request_provider: model=request.model.removeprefix(f"{request_provider}/"), llm_provider=request_provider, ) - original: Final = _upstream_failure(error, request) - public_error: Final = failures.map_failure(original, request.model, request_provider, arguments(request)) - if isinstance(original, UpstreamFailure) and public_error.__context__ is original: - public_error.__context__ = error - if isinstance(public_error, openai.APIStatusError): - public_error.response = original.response - public_error.status_code = original.status_code - return public_error + return failures.map_native_failure(error, request.model, request_provider, arguments(request), request.api_base) diff --git a/tests/test_litellm/rust_bridge/native_route_wheel_test.py b/tests/test_litellm/rust_bridge/native_route_wheel_test.py index 4fa4c0b95ec..0b442f1f269 100644 --- a/tests/test_litellm/rust_bridge/native_route_wheel_test.py +++ b/tests/test_litellm/rust_bridge/native_route_wheel_test.py @@ -73,7 +73,7 @@ def assert_native_request( headers: HTTPMessage, body: object, ) -> None: - if route not in {"transcription", "messages", "chat_completions"}: + if route not in {"transcription", "chat_completions"}: raise AssertionError(f"unexpected route marker: {route!r}") if outcome not in {"success", "429", "hang"}: raise AssertionError(f"unexpected outcome marker: {outcome!r}") @@ -89,10 +89,6 @@ def assert_native_request( assert path == "/v1/messages" assert headers.get("x-api-key") == "sk-native" assert body["model"] == "claude-sonnet-4-5" - if route == "messages": - assert body["max_tokens"] == 16 - assert body["messages"][0]["content"] == "hello-from-messages" - return assert body["max_tokens"] == 17 assert body["messages"][0]["content"] == [{"type": "text", "text": "hello-from-chat"}] @@ -132,17 +128,6 @@ def route_kwargs(route: str, api_base: str, outcome: str) -> dict[str, object]: "language": "en", }, } - if route == "messages": - return common | { - "model": "claude-sonnet-4-5", - "body": { - "model": "claude-sonnet-4-5", - "max_tokens": 16, - "messages": [{"role": "user", "content": "hello-from-messages"}], - }, - "api_key": "sk-native", - "custom_llm_provider": "anthropic", - } if route == "chat_completions": return common | { "model": "anthropic/claude-sonnet-4-5", @@ -165,8 +150,6 @@ def assert_success(route: str, response: object) -> None: def success_value(route: str, response: dict[object, object]) -> object: if route == "transcription": return response["text"] - if route == "messages": - return response["content"][0]["text"] return response["choices"][0]["message"]["content"] @@ -181,7 +164,7 @@ def assert_rate_limit(native: object, route: str, error: BaseException) -> None: def exercise_sync(native: object, api_base: str) -> None: - for route in ("transcription", "messages", "chat_completions"): + for route in ("transcription", "chat_completions"): function: Final = getattr(native, route) assert_success(route, function(**route_kwargs(route, api_base, "success"))) try: @@ -193,7 +176,7 @@ def exercise_sync(native: object, api_base: str) -> None: async def exercise_async(native: object, api_base: str) -> None: - for route in ("transcription", "messages", "chat_completions"): + for route in ("transcription", "chat_completions"): function: Final = getattr(native, f"a{route}") assert_success(route, await function(**route_kwargs(route, api_base, "success"))) try: @@ -206,11 +189,11 @@ async def exercise_async(native: object, api_base: str) -> None: async def exercise_async_concurrency(native: object, api_base: str) -> None: responses: Final = await asyncio.wait_for( - asyncio.gather(*(native.amessages(**route_kwargs("messages", api_base, "success")) for _ in range(32))), + asyncio.gather(*(native.achat_completions(**route_kwargs("chat_completions", api_base, "success")) for _ in range(32))), timeout=15, ) for response in responses: - assert_success("messages", response) + assert_success("chat_completions", response) def exercise_routes(native_path: Path, api_base: str) -> object: @@ -223,8 +206,8 @@ def exercise_routes(native_path: Path, api_base: str) -> object: def exercise_signal(native: object, api_base: str) -> int: try: - native.messages( - **route_kwargs("messages", api_base, "hang"), + native.chat_completions( + **route_kwargs("chat_completions", api_base, "hang"), ) except KeyboardInterrupt: sys.stdout.write("KeyboardInterrupt\n") diff --git a/tests/test_litellm/rust_bridge/test_bindings.py b/tests/test_litellm/rust_bridge/test_bindings.py index 72390b79141..b882a1bb8c2 100644 --- a/tests/test_litellm/rust_bridge/test_bindings.py +++ b/tests/test_litellm/rust_bridge/test_bindings.py @@ -43,8 +43,8 @@ def test_binding_validates_native_attribute( ROUTE_BINDINGS: Final = ( ("completion", chat_completions.NATIVE_COMPLETION), ("acompletion", chat_completions.NATIVE_ACOMPLETION), - ("anthropic_messages_handler", messages.NATIVE_MESSAGES), - ("anthropic_messages", messages.NATIVE_AMESSAGES), + ("messages", messages.NATIVE_MESSAGES), + ("amessages", messages.NATIVE_AMESSAGES), ("responses", responses.NATIVE_RESPONSES), ("aresponses", responses.NATIVE_ARESPONSES), ("ocr", ocr.NATIVE_OCR), diff --git a/tests/test_litellm/rust_bridge/test_catalog.py b/tests/test_litellm/rust_bridge/test_catalog.py index 2c737b0160e..e9fdbf859f4 100644 --- a/tests/test_litellm/rust_bridge/test_catalog.py +++ b/tests/test_litellm/rust_bridge/test_catalog.py @@ -40,6 +40,10 @@ def test_shipped_decisions( enabled: Final = environment == "1" if environment is not None else process is not False assert catalog.rollout(context) is Rollout.RUST_OPT_OUT assert catalog.decision(context) is (Decision.RUST_WITH_FALLBACK if enabled else Decision.PYTHON) + elif route is Route.MESSAGES: + enabled: Final = environment == "1" if environment is not None else process is True + assert catalog.rollout(context) is Rollout.RUST_OPT_IN + assert catalog.decision(context) is (Decision.RUST_WITH_FALLBACK if enabled else Decision.PYTHON) elif route is Route.TRANSCRIPTION and provider == "bedrock": assert catalog.rollout(context) is Rollout.RUST_REQUIRED assert catalog.decision(context) is Decision.RUST_REQUIRED diff --git a/tests/test_litellm/rust_bridge/test_legacy_callbacks.py b/tests/test_litellm/rust_bridge/test_legacy_callbacks.py index a4474c85230..a0906c7c5be 100644 --- a/tests/test_litellm/rust_bridge/test_legacy_callbacks.py +++ b/tests/test_litellm/rust_bridge/test_legacy_callbacks.py @@ -1,12 +1,16 @@ import datetime +import inspect from collections.abc import Mapping +from pathlib import Path from types import MappingProxyType from typing import Final import pytest +from pydantic import TypeAdapter import litellm from litellm.litellm_core_utils.litellm_logging import Logging +from litellm.rust_bridge import legacy_callbacks as legacy from litellm.rust_bridge.legacy_callbacks import check_limits, setup _OCR_KWARGS: Final = MappingProxyType( @@ -56,13 +60,12 @@ def _supplied_logger() -> Logging: ) -def test_setup_adopts_a_supplied_logger_as_caller_owned() -> None: +def test_setup_reuses_a_supplied_logger() -> None: supplied: Final = _supplied_logger() result: Final = setup( "aocr", (), {**_OCR_KWARGS, "litellm_logging_obj": supplied}, datetime.datetime.now(), asynchronous=True ) assert result.logger is supplied - assert result.bridge_owned is False @pytest.mark.parametrize( @@ -73,7 +76,15 @@ def test_setup_adopts_a_supplied_logger_as_caller_owned() -> None: ], ids=["ocr", "embedding"], ) -def test_setup_owns_every_logger_it_builds(call_type: str, kwargs: Mapping[str, object]) -> None: +def test_setup_builds_a_logger_when_none_is_supplied(call_type: str, kwargs: Mapping[str, object]) -> None: result: Final = setup(call_type, (), kwargs, datetime.datetime.now(), asynchronous=True) - assert result.bridge_owned is True assert result.logger.litellm_call_id == result.kwargs["litellm_call_id"] + + +CONTRACT_PATH: Final = Path(__file__).parents[3] / "litellm-rust/crates/callbacks-legacy/python_contract.json" + + +def test_the_rust_contract_matches_the_shim_signatures() -> None: + contract: Final = TypeAdapter(dict[str, list[str]]).validate_json(CONTRACT_PATH.read_text()) + + assert contract == {name: list(inspect.signature(getattr(legacy, name)).parameters) for name in contract} diff --git a/tests/test_litellm/rust_bridge/test_runtime.py b/tests/test_litellm/rust_bridge/test_runtime.py index ade0ae549fb..fa6c0b30413 100644 --- a/tests/test_litellm/rust_bridge/test_runtime.py +++ b/tests/test_litellm/rust_bridge/test_runtime.py @@ -157,7 +157,6 @@ def test_context_outside_rule_stays_on_python() -> None: ( Context(Route.CHAT_COMPLETIONS, provider="anthropic"), Context(Route.CHAT_COMPLETIONS, provider="bedrock"), - Context(Route.MESSAGES, provider="anthropic"), Context(Route.RESPONSES, provider="openai"), Context(Route.TRANSCRIPTION, provider="openai"), ), diff --git a/tests/test_litellm_rust/conftest.py b/tests/test_litellm_rust/conftest.py index 4387ea2e2fd..1b6fcfa00db 100644 --- a/tests/test_litellm_rust/conftest.py +++ b/tests/test_litellm_rust/conftest.py @@ -1,10 +1,9 @@ import asyncio import os -from collections.abc import AsyncIterator, Generator, Iterator +from collections.abc import AsyncIterator, Generator from concurrent.futures import ThreadPoolExecutor -from contextlib import ExitStack, contextmanager -from types import ModuleType -from typing import Final, cast +from contextlib import ExitStack +from typing import Final import pytest import pytest_asyncio @@ -18,62 +17,20 @@ from litellm.rust_bridge.configuration import ( # pyright: ignore[reportPrivate _parse_env_bool, ) from tests.test_litellm_rust.support.callback_recorder import drain_logging +from tests.test_litellm_rust.support.isolation import isolated_callback_registries, rebound from tests.test_litellm_rust.support.recording_server import RecordingServer, recording_service -CALLBACK_ATTRIBUTES: Final = ( - "callbacks", - "input_callback", - "success_callback", - "failure_callback", - "_async_input_callback", - "_async_success_callback", - "_async_failure_callback", -) - - -def _list_attribute(container: ModuleType, attribute: str) -> list[object]: - value: Final = getattr(container, attribute) - if not isinstance(value, list): - raise AssertionError(f"{container.__name__}.{attribute} is not a list") - return cast(list[object], value) - - -@contextmanager -def _isolated_list(container: ModuleType, attribute: str) -> Iterator[None]: - source: Final = _list_attribute(container, attribute) - original: Final = list(source) - source.clear() # mutable-ok: test isolation mutates global registries by design - try: - yield - finally: - source.clear() - source.extend(original) - setattr(container, attribute, source) - - -@contextmanager -def _rebound(container: object, attribute: str, value: object) -> Iterator[None]: - original: Final[object] = getattr(container, attribute) - setattr(container, attribute, value) - try: - yield - finally: - setattr(container, attribute, original) - @pytest_asyncio.fixture(autouse=True, loop_scope="function") async def isolate_ocr_test_state() -> AsyncIterator[None]: with ExitStack() as stack: - for attribute in CALLBACK_ATTRIBUTES: - stack.enter_context(_isolated_list(litellm, attribute)) - stack.enter_context(_isolated_list(litellm_logging, "_in_memory_loggers")) # pyright: ignore[reportPrivateUsage] # no public callback-cache accessor - stack.enter_context(_rebound(utils, "callback_list", [])) # rebind-ok: isolate legacy callback registry - stack.enter_context(_rebound(litellm, "cache", None)) # test-quality-ok: isolate process-global cache - stack.enter_context(_rebound(_CONFIGURATION, "override", None)) + stack.enter_context(isolated_callback_registries()) + stack.enter_context(rebound(litellm, "cache", None)) # test-quality-ok: isolate process-global cache + stack.enter_context(rebound(_CONFIGURATION, "override", None)) executor: Final = ThreadPoolExecutor(thread_name_prefix="rust-ocr-test-logging") - stack.enter_context(_rebound(litellm_logging, "executor", executor)) - stack.enter_context(_rebound(utils, "executor", executor)) - stack.enter_context(_rebound(thread_pool_executor, "executor", executor)) + stack.enter_context(rebound(litellm_logging, "executor", executor)) + stack.enter_context(rebound(utils, "executor", executor)) + stack.enter_context(rebound(thread_pool_executor, "executor", executor)) try: yield finally: diff --git a/tests/test_litellm_rust/messages/__init__.py b/tests/test_litellm_rust/messages/__init__.py new file mode 100644 index 00000000000..e69de29bb2d diff --git a/tests/test_litellm_rust/messages/test_callbacks.py b/tests/test_litellm_rust/messages/test_callbacks.py new file mode 100644 index 00000000000..b55bc47d640 --- /dev/null +++ b/tests/test_litellm_rust/messages/test_callbacks.py @@ -0,0 +1,175 @@ +from collections.abc import AsyncIterator, Iterator +from typing import Final + +import pytest + +import litellm +from litellm.integrations.custom_logger import CustomLogger +from tests.test_litellm_rust.support.callback_recorder import RecordingLogger, drain_logging +from tests.test_litellm_rust.support.recording_server import RecordingServer, ResponseSpec +from tests.test_litellm_rust.support.requests import ( + MESSAGES, + MESSAGES_EVENTS, + MESSAGES_MODEL, + MESSAGES_RESPONSE, + request_body, +) + +pytestmark = pytest.mark.requires_rust_extension + +STREAM: Final = ResponseSpec(body=None, events=MESSAGES_EVENTS) + + +@pytest.fixture +def messages_server(recording_server: RecordingServer) -> RecordingServer: + recording_server.default_response = ResponseSpec(body=MESSAGES_RESPONSE) + return recording_server + + +def arguments(server: RecordingServer, **kwargs: object) -> dict[str, object]: + return { + "model": MESSAGES_MODEL, + "messages": [dict(message) for message in MESSAGES], + "max_tokens": 64, + "api_key": "test-key", + "api_base": server.base_url, + **kwargs, + } + + +def assert_served_natively(server: RecordingServer) -> None: + assert len(server.requests) == 1 + assert not server.requests[0].headers.get("user-agent", "").startswith("python-httpx") + + +@pytest.mark.asyncio +async def test_native_messages_callbacks_see_the_provider_request_and_the_public_response( + messages_server: RecordingServer, +) -> None: + recorder: Final = RecordingLogger() + + response: Final = await litellm.anthropic.messages.acreate( + **arguments(messages_server, callbacks=[recorder], litellm_call_id="messages-success") + ) + + assert_served_natively(messages_server) + assert response["content"] == MESSAGES_RESPONSE["content"] + sent: Final = messages_server.requests[0] + assert sent.path == "/v1/messages" + assert sent.body == {"model": "claude-sonnet-5", "messages": list(MESSAGES), "max_tokens": 64, "stream": False} + pre_call: Final = recorder.wait_for("log_pre_api_call") + assert request_body(pre_call[0].kwargs) == sent.body + success: Final = await recorder.wait_for_async("async_log_success_event") + assert len(success) == 1 + assert success[0].call_type == "anthropic_messages" + assert success[0].kwargs["litellm_call_id"] == "messages-success" + assert success[0].response.choices[0].message.content == "Hello from native Messages" + + +@pytest.mark.asyncio +async def test_native_messages_pre_call_body_edit_reaches_the_provider(messages_server: RecordingServer) -> None: + class Edit(CustomLogger): + def log_pre_api_call(self, model, messages, kwargs): + request_body(kwargs)["temperature"] = 0.25 + + await litellm.anthropic.messages.acreate(**arguments(messages_server, callbacks=[Edit()])) + + assert messages_server.requests[0].body["temperature"] == 0.25 + + +@pytest.mark.asyncio +async def test_native_messages_provider_error_reaches_caller_and_failure_callbacks_as_one_public_error( + messages_server: RecordingServer, +) -> None: + messages_server.enqueue( + ResponseSpec(body={"type": "error", "error": {"type": "invalid_request_error", "message": "bad"}}, status=400) + ) + observed: Final = [] + + class Observe(CustomLogger): + def log_failure_event(self, kwargs, response_obj, start_time, end_time): + observed.append(("sync", kwargs["exception"])) + + async def async_log_failure_event(self, kwargs, response_obj, start_time, end_time): + observed.append(("async", kwargs["exception"])) + + with pytest.raises(litellm.BadRequestError) as raised: + await litellm.anthropic.messages.acreate(**arguments(messages_server, callbacks=[Observe()])) + + assert_served_natively(messages_server) + assert [phase for phase, _ in observed] == ["sync", "async"] + assert all(error is raised.value for _, error in observed) + + +def sse_payload() -> bytes: + return b"".join(STREAM.payloads()) + + +@pytest.mark.asyncio +async def test_native_messages_stream_relays_provider_events_and_logs_success_once_after_the_last_chunk( + messages_server: RecordingServer, +) -> None: + messages_server.enqueue(STREAM) + recorder: Final = RecordingLogger() + + stream: Final = await litellm.anthropic.messages.acreate( + **arguments(messages_server, stream=True, callbacks=[recorder]) + ) + assert isinstance(stream, AsyncIterator) + first: Final = await anext(stream) + await drain_logging() + assert "async_log_success_event" not in recorder.names + rest: Final = [chunk async for chunk in stream] + + assert first + b"".join(rest) == sse_payload() + assert_served_natively(messages_server) + assert messages_server.requests[0].body["stream"] is True + success: Final = await recorder.wait_for_async("async_log_success_event") + assert len(success) == 1 + assert success[0].kwargs["stream"] is True + assert success[0].kwargs["completion_start_time"] is not None + assert "log_failure_event" not in recorder.names + + +@pytest.mark.asyncio +async def test_native_messages_stream_closed_early_logs_success_once_for_what_was_delivered( + messages_server: RecordingServer, +) -> None: + messages_server.enqueue(STREAM) + recorder: Final = RecordingLogger() + + stream: Final = await litellm.anthropic.messages.acreate( + **arguments(messages_server, stream=True, callbacks=[recorder]) + ) + assert isinstance(stream, AsyncIterator) + await anext(stream) + await stream.aclose() + + success: Final = await recorder.wait_for_async("async_log_success_event") + assert len(success) == 1 + with pytest.raises(StopAsyncIteration): + await anext(stream) + + +def test_native_sync_messages_stream_relays_provider_events_and_logs_success_once( + messages_server: RecordingServer, +) -> None: + messages_server.enqueue(STREAM) + recorder: Final = RecordingLogger() + + stream: Final = litellm.anthropic.messages.create(**arguments(messages_server, stream=True, callbacks=[recorder])) + assert isinstance(stream, Iterator) + + assert b"".join(stream) == sse_payload() + assert_served_natively(messages_server) + assert len(recorder.wait_for("async_log_success_event")) == 1 + + +def test_native_sync_messages_returns_the_provider_message(messages_server: RecordingServer) -> None: + recorder: Final = RecordingLogger() + + response: Final = litellm.anthropic.messages.create(**arguments(messages_server, callbacks=[recorder])) + + assert_served_natively(messages_server) + assert response["content"] == MESSAGES_RESPONSE["content"] + assert len(recorder.wait_for("log_success_event")) == 1 diff --git a/tests/test_litellm_rust/ocr/test_callbacks.py b/tests/test_litellm_rust/ocr/test_callbacks.py index 27cdcc4d997..ac4a1a11a80 100644 --- a/tests/test_litellm_rust/ocr/test_callbacks.py +++ b/tests/test_litellm_rust/ocr/test_callbacks.py @@ -1,24 +1,31 @@ import asyncio import copy +import gc import queue import threading +from collections.abc import Mapping +from types import MappingProxyType from typing import Final import pytest +from hypothesis import HealthCheck, given, settings +from hypothesis import strategies as st import litellm from litellm.integrations.custom_logger import CustomLogger from litellm.llms.base_llm.ocr.transformation import OCRResponse -from tests.test_litellm_rust.support.callback_recorder import RecordingLogger +from tests.test_litellm_rust.support.callback_recorder import RecordingLogger, drain_logging +from tests.test_litellm_rust.support.isolation import isolated_callback_registries +from tests.test_litellm_rust.support.recording_server import RecordingServer, ResponseSpec from tests.test_litellm_rust.support.requests import ( OCR_DOCUMENT, OCR_RESPONSE, + call_native, call_native_aocr, call_native_ocr, request_body, request_headers, ) -from tests.test_litellm_rust.support.recording_server import RecordingServer, ResponseSpec pytestmark = pytest.mark.requires_rust_extension @@ -123,9 +130,7 @@ async def test_native_ocr_pre_call_nested_document_edit_updates_caller_callback_ "callbacks": [Retain(), Edit()], } response: Final = ( - await call_native_aocr(ocr_server, **arguments) - if asynchronous - else call_native_ocr(ocr_server, **arguments) + await call_native_aocr(ocr_server, **arguments) if asynchronous else call_native_ocr(ocr_server, **arguments) ) assert aliases == [True] @@ -291,6 +296,153 @@ def test_native_ocr_dispatches_each_callback_phase_once_when_logger_is_registere assert "log_failure_event" not in recorder.names +JSON_SCALARS: Final = ( + st.none() + | st.booleans() + | st.integers(min_value=-(2**63), max_value=2**63 - 1) + | st.floats(allow_nan=False, allow_infinity=False) + | st.text(max_size=8) +) +JSON_VALUES: Final = st.recursive( + JSON_SCALARS, + lambda children: st.lists(children, max_size=3) | st.dictionaries(st.text(max_size=6), children, max_size=3), + max_leaves=8, +) + + +class ApplyEdits(CustomLogger): + def __init__(self, edits: Mapping[str, object]) -> None: + super().__init__() + self.edits: Final = edits + + def log_pre_api_call(self, model, messages, kwargs): + request_body(kwargs).update(copy.deepcopy(dict(self.edits))) + + +@settings(max_examples=25, deadline=None, suppress_health_check=[HealthCheck.function_scoped_fixture]) +@given(edits=st.dictionaries(st.from_regex(r"x_[a-z]{1,6}", fullmatch=True), JSON_VALUES, max_size=3)) +def test_native_ocr_provider_receives_the_body_exactly_as_pre_call_callbacks_left_it( + ocr_server: RecordingServer, edits: dict[str, object] +) -> None: + ocr_server.expected_requests = None + + with isolated_callback_registries(): + call_native_ocr_with_callbacks(ocr_server, [ApplyEdits(MappingProxyType(edits))]) + + assert ocr_server.requests[-1].body == {"model": "mistral-ocr-latest", "document": OCR_DOCUMENT, **edits} + + +@pytest.mark.parametrize("hook", ["log_pre_api_call", "logging_hook", "log_success_event"]) +def test_native_ocr_sync_hooks_see_no_running_event_loop(ocr_server: RecordingServer, hook: str) -> None: + recorder: Final = RecordingLogger() + + call_native_ocr_with_callbacks(ocr_server, [recorder]) + + [event] = recorder.wait_for(hook) + assert event.loop is None + assert (event.thread is threading.current_thread()) == (hook == "log_pre_api_call") + + +@pytest.mark.asyncio +@pytest.mark.parametrize("asynchronous", [False, True], ids=["sync", "async"]) +async def test_native_ocr_payload_a_callback_retains_outlives_the_call_intact( + ocr_server: RecordingServer, asynchronous: bool +) -> None: + retained: Final = [] + + class Retain(CustomLogger): + def log_pre_api_call(self, model, messages, kwargs): + retained.append((kwargs, request_body(kwargs), request_headers(kwargs))) + + await call_native(ocr_server, asynchronous, callbacks=[Retain()]) + await drain_logging() + gc.collect() + + [(details, body, headers)] = retained + assert body == ocr_server.requests[0].body + assert headers + assert all(ocr_server.requests[0].headers[name.lower()] == value for name, value in headers.items()) + assert details["additional_args"]["complete_input_dict"] is body + assert details["additional_args"]["headers"] is headers + + +@pytest.mark.asyncio +@pytest.mark.parametrize("family", ["sync", "async"]) +async def test_native_ocr_success_callbacks_share_one_logging_payload(ocr_server: RecordingServer, family: str) -> None: + queued: Final = [] + finished: Final = threading.Event() + + def queue_payload(kwargs: dict[str, object]) -> None: + queued.append(kwargs["standard_logging_object"]) + + def strip_payload(kwargs: dict[str, object]) -> None: + payload: Final = kwargs["standard_logging_object"] + assert isinstance(payload, dict) + payload["stripped-by-a-later-callback"] = True + finished.set() + + class QueuePayload(CustomLogger): + if family == "sync": + + def log_success_event(self, kwargs, response_obj, start_time, end_time): + queue_payload(kwargs) + + else: + + async def async_log_success_event(self, kwargs, response_obj, start_time, end_time): + queue_payload(kwargs) + + class StripPayload(CustomLogger): + if family == "sync": + + def log_success_event(self, kwargs, response_obj, start_time, end_time): + strip_payload(kwargs) + + else: + + async def async_log_success_event(self, kwargs, response_obj, start_time, end_time): + strip_payload(kwargs) + + await call_native(ocr_server, family == "async", callbacks=[QueuePayload(), StripPayload()]) + await drain_logging() + + assert await asyncio.to_thread(finished.wait, 10) + assert [payload["stripped-by-a-later-callback"] for payload in queued] == [True] + + +@pytest.mark.asyncio +async def test_native_aocr_state_stashed_before_a_blocking_hook_raises_reaches_failure_callbacks( + ocr_server: RecordingServer, +) -> None: + token: Final = object() + observed: Final = [] + + class Blocked(Exception): + pass + + class Block(CustomLogger): + async def async_post_call_success_deployment_hook(self, request_data, response, call_type): + request_data["litellm_logging_obj"].model_call_details["blocked-by"] = token + raise Blocked("blocked after the provider answered") + + def log_success_event(self, kwargs, response_obj, start_time, end_time): + observed.append(("success", None, None)) + + def log_failure_event(self, kwargs, response_obj, start_time, end_time): + observed.append(("sync", kwargs.get("blocked-by"), kwargs["exception"])) + + async def async_log_failure_event(self, kwargs, response_obj, start_time, end_time): + observed.append(("async", kwargs.get("blocked-by"), kwargs["exception"])) + + litellm.callbacks.append(Block()) + + with pytest.raises(Blocked) as raised: + await call_native_aocr(ocr_server) + await drain_logging() + + assert observed == [("sync", token, raised.value), ("async", token, raised.value)] + + @pytest.mark.asyncio @pytest.mark.parametrize("asynchronous", [False, True], ids=["sync", "async"]) async def test_native_azure_ocr_resolves_token_before_pre_call_on_caller_context( diff --git a/tests/test_litellm_rust/ocr/test_lifecycle.py b/tests/test_litellm_rust/ocr/test_lifecycle.py index 085ea4a14c0..5fca927bea3 100644 --- a/tests/test_litellm_rust/ocr/test_lifecycle.py +++ b/tests/test_litellm_rust/ocr/test_lifecycle.py @@ -4,7 +4,7 @@ import gc import json import threading import weakref -from collections.abc import Coroutine +from collections.abc import Awaitable, Callable, Coroutine from contextvars import ContextVar from typing import Final @@ -400,7 +400,7 @@ async def test_response_limit_is_enforced_at_the_public_boundary(ocr_server: Rec @pytest.mark.asyncio @pytest.mark.parametrize("failure", [False, True]) -async def test_empty_callbacks_keep_bookkeeping_without_optional_dispatch( +async def test_empty_callbacks_run_deployment_hooks_and_defer_like_the_python_client_wrapper( ocr_server: RecordingServer, monkeypatch: pytest.MonkeyPatch, failure: bool, @@ -414,8 +414,12 @@ async def test_empty_callbacks_keep_bookkeeping_without_optional_dispatch( submissions = 0 enqueues = 0 - def deployment(self, *args: object, **kwargs: object) -> None: - self.deployments += 1 + def counting(self, hook: Callable[..., Awaitable[object]]) -> Callable[..., Awaitable[object]]: + async def counted(*args: object, **kwargs: object) -> object: + self.deployments += 1 + return await hook(*args, **kwargs) + + return counted def submit(self, *args: object, **kwargs: object) -> None: self.submissions += 1 @@ -430,7 +434,7 @@ async def test_empty_callbacks_keep_bookkeeping_without_optional_dispatch( "async_post_call_success_deployment_hook", "async_post_call_failure_deployment_hook", ): - monkeypatch.setattr(utils, name, probe.deployment) + monkeypatch.setattr(utils, name, probe.counting(getattr(utils, name))) monkeypatch.setattr(litellm_logging, "executor", probe) monkeypatch.setattr(logging_worker, "GLOBAL_LOGGING_WORKER", probe) if failure: @@ -447,17 +451,16 @@ async def test_empty_callbacks_keep_bookkeeping_without_optional_dispatch( assert response._hidden_params["response_cost"] is not None assert response._hidden_params["_response_ms"] > 0 assert trace_id_var.get() == "callback-free-parent" - assert probe.deployments == probe.submissions == probe.enqueues == 0 + assert probe.deployments == 2 + assert probe.submissions == probe.enqueues == 0 assert len(created_loggers) == 1 logger: Final = created_loggers[0] - assert not hasattr(logger, "_native_pending_logging") - assert logger.model_call_details["first_api_call_start_time"] <= logger.model_call_details["end_time"] - assert "standard_logging_object" not in logger.model_call_details - assert ( - "original_response" not in logger.model_call_details or logger.model_call_details["original_response"] is None - ) - assert "complete_input_dict" not in logger.model_call_details.get("additional_args", {}) - assert logger.model_call_details["response_cost"] == (0 if failure else response._hidden_params["response_cost"]) + if failure: + assert logger.model_call_details["first_api_call_start_time"] <= logger.model_call_details["end_time"] + assert logger.model_call_details["response_cost"] == 0 + else: + assert getattr(logger, "_native_pending_logging", None) is not None + assert "end_time" not in logger.model_call_details @pytest.mark.asyncio diff --git a/tests/test_litellm_rust/support/isolation.py b/tests/test_litellm_rust/support/isolation.py new file mode 100644 index 00000000000..f98ce4843a8 --- /dev/null +++ b/tests/test_litellm_rust/support/isolation.py @@ -0,0 +1,58 @@ +from collections.abc import Generator +from contextlib import ExitStack, contextmanager +from types import ModuleType +from typing import Final, cast + +import litellm +from litellm import utils +from litellm.litellm_core_utils import litellm_logging + +CALLBACK_ATTRIBUTES: Final = ( + "callbacks", + "input_callback", + "success_callback", + "failure_callback", + "_async_input_callback", + "_async_success_callback", + "_async_failure_callback", +) + + +def _list_attribute(container: ModuleType, attribute: str) -> list[object]: + value: Final = getattr(container, attribute) + if not isinstance(value, list): + raise AssertionError(f"{container.__name__}.{attribute} is not a list") + return cast(list[object], value) + + +@contextmanager +def _isolated_list(container: ModuleType, attribute: str) -> Generator[None]: + source: Final = _list_attribute(container, attribute) + original: Final = list(source) + source.clear() # mutable-ok: test isolation mutates global registries by design + try: + yield + finally: + source.clear() + source.extend(original) + setattr(container, attribute, source) + + +@contextmanager +def rebound(container: object, attribute: str, value: object) -> Generator[None]: + original: Final[object] = getattr(container, attribute) + setattr(container, attribute, value) + try: + yield + finally: + setattr(container, attribute, original) + + +@contextmanager +def isolated_callback_registries() -> Generator[None]: + with ExitStack() as stack: + for attribute in CALLBACK_ATTRIBUTES: + stack.enter_context(_isolated_list(litellm, attribute)) + stack.enter_context(_isolated_list(litellm_logging, "_in_memory_loggers")) # pyright: ignore[reportPrivateUsage] # no public callback-cache accessor + stack.enter_context(rebound(utils, "callback_list", [])) # rebind-ok: isolate legacy callback registry + yield diff --git a/tests/test_litellm_rust/support/recording_server.py b/tests/test_litellm_rust/support/recording_server.py index 228ed2cc454..3eea47751d3 100644 --- a/tests/test_litellm_rust/support/recording_server.py +++ b/tests/test_litellm_rust/support/recording_server.py @@ -25,6 +25,12 @@ class ResponseSpec: status: int = 200 headers: dict[str, str] = field(default_factory=dict) delay: float = 0 + events: tuple[tuple[str, object], ...] = () + + def payloads(self) -> tuple[bytes, ...]: + if not self.events: + return (json.dumps(self.body).encode(),) + return tuple(f"event: {event}\ndata: {json.dumps(data)}\n\n".encode() for event, data in self.events) @dataclass @@ -73,15 +79,17 @@ def recording_service() -> Iterator[RecordingServer]: response: Final = responses.pop(0) if responses else copy.deepcopy(recording_server.default_response) if response.delay: time.sleep(response.delay) - payload: Final = json.dumps(response.body).encode() + payloads: Final = response.payloads() self.send_response(response.status) - self.send_header("Content-Type", "application/json") - self.send_header("Content-Length", str(len(payload))) + self.send_header("Content-Type", "text/event-stream" if response.events else "application/json") + self.send_header("Content-Length", str(sum(len(payload) for payload in payloads))) for name, value in response.headers.items(): self.send_header(name, value) self.end_headers() try: - self.wfile.write(payload) + for payload in payloads: + self.wfile.write(payload) + self.wfile.flush() except (BrokenPipeError, ConnectionResetError): pass diff --git a/tests/test_litellm_rust/support/requests.py b/tests/test_litellm_rust/support/requests.py index b60cf5eac02..c9cf81b83ca 100644 --- a/tests/test_litellm_rust/support/requests.py +++ b/tests/test_litellm_rust/support/requests.py @@ -12,6 +12,41 @@ OCR_RESPONSE: Final = { "usage_info": {"pages_processed": 1, "doc_size_bytes": 3}, } +MESSAGES_MODEL: Final = "anthropic/claude-sonnet-5" +MESSAGES: Final = ({"role": "user", "content": "Hello"},) +MESSAGES_RESPONSE: Final = { + "id": "msg_native", + "type": "message", + "role": "assistant", + "model": "claude-sonnet-5", + "content": [{"type": "text", "text": "Hello from native Messages"}], + "stop_reason": "end_turn", + "stop_sequence": None, + "usage": {"input_tokens": 5, "output_tokens": 4}, +} +MESSAGES_EVENTS: Final = ( + ("message_start", {"type": "message_start", "message": {**MESSAGES_RESPONSE, "content": [], "stop_reason": None}}), + ("content_block_start", {"type": "content_block_start", "index": 0, "content_block": {"type": "text", "text": ""}}), + ( + "content_block_delta", + { + "type": "content_block_delta", + "index": 0, + "delta": {"type": "text_delta", "text": "Hello from native Messages"}, + }, + ), + ("content_block_stop", {"type": "content_block_stop", "index": 0}), + ( + "message_delta", + { + "type": "message_delta", + "delta": {"stop_reason": "end_turn", "stop_sequence": None}, + "usage": {"output_tokens": 4}, + }, + ), + ("message_stop", {"type": "message_stop"}), +) + def ocr_arguments(server: RecordingServer, **kwargs: object) -> dict[str, object]: return {