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e065a2575b
* fix(proxy): send a real error event when a /v1/messages stream fails
When a stream failed halfway through, the proxy wrote the error as a plain
`data: {"error": ...}` line with no `event:` in front of it. Anthropic clients
pick stream events by that name, so they skip the line and the request looks
like it simply stopped with nothing in it.
Write the failure as an `event: error` frame with Anthropic's own payload, and
take the error type from the status code
* fix(proxy): use the shared Anthropic error mapping for the stream error frame
The first pass added a third copy of the status to error-type table, and it
disagreed with the documented one: 529 came out as `api_error` rather than
`overloaded_error`, and 413 as `invalid_request_error` rather than
`request_too_large`, which hides the two failures a client can actually act on.
Drop that copy and put the frame builder next to the table litellm already
keeps in anthropic_interface/exceptions. The bridged adapter path was building
the same frame inline, so it uses the shared one now too
* fix(proxy): seal a torn SSE frame before the /v1/messages error event
An upstream that drops mid-frame leaves the client inside an open event,
so the error frame that follows is glued onto the torn data line and the
Anthropic SDK raises a JSON decode error instead of an APIStatusError.
Close the open frame with a ping event the SDK skips before writing the
error event, and add the e2e stream-cut edge with Bedrock, Anthropic
boundary, and Anthropic mid-frame legs.
* fix(proxy): keep the SSE tail unchanged on a chunk that is not text
A serializer that hands a dict or model object through as-is has no bytes
the frame tail can learn from, so advance_sse_tail leaves it alone instead
of slicing it.
* fix(proxy): answer a /v1/messages stream that fails before its first byte as a JSON error carrying its status
* test: move the Anthropic error frame tests into tests/unit
* test(e2e): cut the upstream stream only after content has been relayed
* test(e2e): carry split SSE lines across chunks and always tear a data line mid-frame
* test(e2e): find the next data line across a chunk boundary before tearing it
---------
Co-authored-by: mateo-berri <277851410+mateo-berri@users.noreply.github.com>
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|---|---|---|
| .. | ||
| fixtures | ||
| realtime | ||
| conftest.py | ||
| conversational_matrix.py | ||
| LLM_TRANSLATION_COVERAGE_MATRIX.md | ||
| passthrough_client.py | ||
| sdk_clients.py | ||
| test_audio_speech_e2e.py | ||
| test_audio_transcriptions_e2e.py | ||
| test_bedrock_native_e2e.py | ||
| test_bedrock_provider_matrix_e2e.py | ||
| test_bedrock_web_search_server_tool_e2e.py | ||
| test_cache_control.py | ||
| test_chat_completions_contract_e2e.py | ||
| test_chat_completions_regression_e2e.py | ||
| test_chat_mid_conversation_system_e2e.py | ||
| test_chat_stream_contract_e2e.py | ||
| test_completions_endpoint_e2e.py | ||
| test_containers_e2e.py | ||
| test_conversational_matrix_e2e.py | ||
| test_credential_messages_e2e.py | ||
| test_custom_pricing_e2e.py | ||
| test_deepseek_reasoning_e2e.py | ||
| test_embeddings_endpoint_e2e.py | ||
| test_files_batches_contract_e2e.py | ||
| test_google_native_e2e.py | ||
| test_image_edits_e2e.py | ||
| test_image_generation_e2e.py | ||
| test_messages_azure_foundry_e2e.py | ||
| test_messages_e2e.py | ||
| test_messages_mid_conversation_system_e2e.py | ||
| test_messages_mid_conversation_system_native_providers_e2e.py | ||
| test_moderations_e2e.py | ||
| test_ocr_rust_e2e.py | ||
| test_passthrough_e2e.py | ||
| test_passthrough_headers_e2e.py | ||
| test_provider_features_e2e.py | ||
| test_realtime_http_e2e.py | ||
| test_rerank_e2e.py | ||
| test_responses_bridge_streaming_e2e.py | ||
| test_responses_e2e.py | ||
| test_responses_retrieve_e2e.py | ||
| test_together_ai_e2e.py | ||
| test_token_counter_gemini_contents_e2e.py | ||
| test_vector_stores_e2e.py | ||
| test_vertex_passthrough_e2e.py | ||