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mistralai[patch]: Surface http errors (#20555)

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Do not swallow errors when streaming with httpx.

Update affected code if this PR gets merged to httpx:
https://github.com/florimondmanca/httpx-sse/pull/25/files
This commit is contained in:
Eugene Yurtsev 2024-04-17 10:47:56 -04:00 committed by GitHub
parent 3f156e0ece
commit f257909699
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1 changed files with 34 additions and 2 deletions
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36
libs/partners/mistralai/langchain_mistralai/chat_models.py
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@ -116,11 +116,38 @@ def _convert_mistral_chat_message_to_message(
)
def _raise_on_error(response: httpx.Response) -> None:
"""Raise an error if the response is an error."""
if httpx.codes.is_error(response.status_code):
error_message = response.read().decode("utf-8")
raise httpx.HTTPStatusError(
f"Error response {response.status_code} "
f"while fetching {response.url}: {error_message}",
request=response.request,
response=response,
)
async def _araise_on_error(response: httpx.Response) -> None:
"""Raise an error if the response is an error."""
if httpx.codes.is_error(response.status_code):
error_message = (await response.aread()).decode("utf-8")
raise httpx.HTTPStatusError(
f"Error response {response.status_code} "
f"while fetching {response.url}: {error_message}",
request=response.request,
response=response,
)
async def _aiter_sse(
event_source_mgr: AsyncContextManager[EventSource],
) -> AsyncIterator[Dict]:
"""Iterate over the server-sent events."""
async with event_source_mgr as event_source:
# TODO(Team): Remove after this is fixed in httpx dependency
# https://github.com/florimondmanca/httpx-sse/pull/25/files
await _araise_on_error(event_source._response)
async for event in event_source.aiter_sse():
if event.data == "[DONE]":
return
@ -144,10 +171,10 @@ async def acompletion_with_retry(
event_source = aconnect_sse(
llm.async_client, "POST", "/chat/completions", json=kwargs
)
return _aiter_sse(event_source)
else:
response = await llm.async_client.post(url="/chat/completions", json=kwargs)
await _araise_on_error(response)
return response.json()
return await _completion_with_retry(**kwargs)
@ -298,6 +325,9 @@ class ChatMistralAI(BaseChatModel):
with connect_sse(
self.client, "POST", "/chat/completions", json=kwargs
) as event_source:
# TODO(Team): Remove after this is fixed in httpx dependency
# https://github.com/florimondmanca/httpx-sse/pull/25/files
_raise_on_error(event_source._response)
for event in event_source.iter_sse():
if event.data == "[DONE]":
return
@ -305,7 +335,9 @@ class ChatMistralAI(BaseChatModel):
return iter_sse()
else:
return self.client.post(url="/chat/completions", json=kwargs).json()
response = self.client.post(url="/chat/completions", json=kwargs)
_raise_on_error(response)
return response.json()
rtn = _completion_with_retry(**kwargs)
return rtn