The middleware code-interpreter path defines `restricted_import` as `async def` and assigns it to `builtins.__import__`, which Python's import machinery calls synchronously. Calling an async function returns a coroutine without running its body, so the blocklist check never executes and `_real_import` is never called. When `CODE_INTERPRETER_BLOCKED_MODULES` is set, blocked modules are therefore not blocked, and every subsequent import inside the interpreter binds a dangling coroutine instead of the module, breaking legitimate imports as well.
Define the hook as a regular `def`, matching the working implementation in `tools/builtin.py`. A blocked top-level import now raises `ImportError`, and all other imports pass through to the real importer.
The streaming handler rebuilt the full accumulated response with
`content = f'{content}{value}'` on every content delta — a complete
string copy per chunk, making accumulation O(n^2) over the response
length. Use in-place `content += value` for the (universal) str case,
which CPython extends in place, keeping accumulation O(n); the
f-string fallback is preserved for non-str values so coercion
behavior is unchanged.
In the ENABLE_REALTIME_CHAT_SAVE branch, full_output() — which
concatenates the entire accumulated output — was called twice per
chunk (once for the DB upsert, once for the emitted delta). Compute
it once and reuse.
Claude-Session: https://claude.ai/code/session_01MHg5zs1VBjvRWQ54qHpfYD
Co-authored-by: Claude <noreply@anthropic.com>
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The native function-calling tool resolver in utils/tools.py applies five
gates before exposing execute_code as a builtin tool: builtin-category
enable, ENABLE_CODE_INTERPRETER global config, model capability,
features.code_interpreter request flag, and the per-user
features.code_interpreter permission.
The legacy XML-tag detection path in streaming_chat_response_handler
applied only the request-flag gate. Brings the legacy path to parity by
running the same five-gate check before activating tag detection.
Behaviour change is limited to deployments that previously relied on
the asymmetry — admins who set ENABLE_CODE_INTERPRETER=False or revoked
the per-user permission, on the legacy tool-calling mode, with the
client supplying features.code_interpreter=true. Any of those three
conditions met now correctly disables tag detection.
Co-authored-by: sfwani <sfwani@users.noreply.github.com>
