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support streaming for functions (#6115)

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Harrison Chase 2023-06-13 15:26:26 -07:00 committed by GitHub
parent 11ab0be11a
commit e74733ab9e
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1 changed files with 13 additions and 2 deletions
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15
langchain/chat_models/openai.py
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@ -321,16 +321,27 @@ class ChatOpenAI(BaseChatModel):
inner_completion = ""
role = "assistant"
params["stream"] = True
function_call: Optional[dict] = None
for stream_resp in self.completion_with_retry(
messages=message_dicts, **params
):
role = stream_resp["choices"][0]["delta"].get("role", role)
token = stream_resp["choices"][0]["delta"].get("content", "")
token = stream_resp["choices"][0]["delta"].get("content") or ""
inner_completion += token
_function_call = stream_resp["choices"][0]["delta"].get("function_call")
if _function_call:
if function_call is None:
function_call = _function_call
else:
function_call["arguments"] += _function_call["arguments"]
if run_manager:
run_manager.on_llm_new_token(token)
message = _convert_dict_to_message(
{"content": inner_completion, "role": role}
{
"content": inner_completion,
"role": role,
"function_call": function_call,
}
)
return ChatResult(generations=[ChatGeneration(message=message)])
response = self.completion_with_retry(messages=message_dicts, **params)