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970ea2949e
Vertex passthrough classified any target URL containing "stream" as a streaming
request. `:streamRawPredict` carries that substring, so a unary Claude-on-Vertex
call whose body omits `stream` was routed through the streaming logging path.
That path never consults the response content-type, so a complete
`"type": "message"` JSON body was handed to the Anthropic SSE chunk parser,
which recognises none of it; the spend log recorded 0 prompt tokens,
0 completion tokens and zero cost
Streaming for the rawPredict family now comes from the request body, which is
what the Anthropic Messages contract uses for those endpoints. The
generateContent family keeps its URL signal because the Gemini REST body has no
`stream` field, and `?alt=sse` is still appended for every request that is
classified as streaming, so Gemini framing and its usage parsing are unchanged
Both passthrough streaming predicates read `.get("stream")` off a body that is
only annotated as a dict; `_read_request_body` returns whatever the JSON parser
produced, so an array body raised AttributeError. The two predicates are now one
owner that answers False for any non-object body, which covers the vertex,
mistral, anthropic, vllm and azure passthrough routes
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|---|---|---|
| .. | ||
| llm_provider_handlers | ||
| test_carry_guardrail_logging_info.py | ||
| test_llm_pass_through_endpoints.py | ||
| test_method_specific_routing.py | ||
| test_pass_through_endpoints.py | ||
| test_passthrough_auth_default.py | ||
| test_passthrough_endpoints_common_utils.py | ||
| test_passthrough_guardrail_block_otel_span.py | ||
| test_passthrough_guardrails.py | ||
| test_passthrough_guardrails_field_targeting.py | ||
| test_passthrough_post_call_guardrails.py | ||
| test_streaming_handler_interrupt.py | ||
| test_upstream_usage_headers.py | ||
| test_vertex_ai_batch_passthrough.py | ||
| test_vertex_passthrough_load_balancing.py | ||
| test_watsonx_proxy_route.py | ||