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Update media type and JSON handling in OpenAISpec #360

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merged 3 commits into from
Nov 11, 2024
Merged

Update media type and JSON handling in OpenAISpec #360

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89917e0
Update media type and JSON handling in OpenAISpec streaming responses…
fabigr8 Nov 11, 2024
fdd8769
Update src/litserve/specs/openai.py
fabigr8 Nov 11, 2024
54177b4
Update src/litserve/specs/openai.py
fabigr8 Nov 11, 2024
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10 changes: 5 additions & 5 deletions src/litserve/specs/openai.py
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Original file line number Diff line number Diff line change
Expand Up @@ -365,7 +365,7 @@ async def chat_completion(self, request: ChatCompletionRequest, background_tasks
if request.stream:
return StreamingResponse(
self.streaming_completion(request, responses),
media_type="application/x-ndjson",
media_type="text/event-stream",
background=background_tasks,
)

Expand Down Expand Up @@ -394,9 +394,9 @@ async def streaming_completion(self, request: ChatCompletionRequest, pipe_respon

# Only use the last item from encode_response
usage_info = sum(usage_infos)
chunk = ChatCompletionChunk(model=model, choices=choices, usage=None).json()
chunk = ChatCompletionChunk(model=model, choices=choices, usage=None)
logger.debug(chunk)
yield f"data: {chunk}\n\n"
yield f"data: {json.dumps(chunk.model_dump())}\n\n"
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choices = [
ChatCompletionStreamingChoice(
Expand All @@ -410,8 +410,8 @@ async def streaming_completion(self, request: ChatCompletionRequest, pipe_respon
model=model,
choices=choices,
usage=usage_info,
).json()
yield f"data: {last_chunk}\n\n"
)
yield f"data: {json.dumps(last_chunk.model_dump())}\n\n"
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yield "data: [DONE]\n\n"

async def non_streaming_completion(self, request: ChatCompletionRequest, generator_list: List[AsyncGenerator]):
Expand Down
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