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google-genai[patch]: no error for FunctionMessage (#17215)

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Both should eventually match this:
https://github.com/langchain-ai/langchain/blob/master/libs/partners/google-vertexai/langchain_google_vertexai/chat_models.py#L179

But seems undocumented / can't find types in genai package
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Erick Friis 2024-02-07 17:14:50 -08:00 committed by GitHub
parent 2ecf318218
commit 927ab77d6e
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1 changed files with 8 additions and 1 deletions
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9
libs/partners/google-genai/langchain_google_genai/chat_models.py
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@ -39,6 +39,7 @@ from langchain_core.messages import (
BaseMessage, BaseMessage,
ChatMessage, ChatMessage,
ChatMessageChunk, ChatMessageChunk,
FunctionMessage,
HumanMessage, HumanMessage,
HumanMessageChunk, HumanMessageChunk,
SystemMessage, SystemMessage,
@ -326,14 +327,20 @@ llm = ChatGoogleGenerativeAI(model="gemini-pro", convert_system_message_to_human
continue continue
elif isinstance(message, AIMessage): elif isinstance(message, AIMessage):
role = "model" role = "model"
# TODO: Handle AImessage with function call
parts = _convert_to_parts(message.content)
elif isinstance(message, HumanMessage): elif isinstance(message, HumanMessage):
role = "user" role = "user"
parts = _convert_to_parts(message.content)
elif isinstance(message, FunctionMessage):
role = "user"
# TODO: Handle FunctionMessage
parts = _convert_to_parts(message.content)
else: else:
raise ValueError( raise ValueError(
f"Unexpected message with type {type(message)} at the position {i}." f"Unexpected message with type {type(message)} at the position {i}."
) )
parts = _convert_to_parts(message.content)
if raw_system_message: if raw_system_message:
if role == "model": if role == "model":
raise ValueError( raise ValueError(