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Update to the latest google-cloud-aiplatform dependency and properly handle function calls in gemini #16793

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@stfines-clgx stfines-clgx commented Nov 2, 2024

Description

This fixes the usage of function and non-function tools with Google's Gemini models. The prior implementation would not address the new ModelRole of tool when passing tool requests to the agent and it would therefore cause the Gemini message to fail.

Additionally, the non-public imports and beta imports that have been superseded by release versions have been corrected so that the integration now uses publicly supported APIs where they are available.

Works around the issues that google-cloud-aiplatform has with serialization of JSON Schema as well.

Fixes #16678 #16625 #16970

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Version Bump?

Did I bump the version in the pyproject.toml file of the package I am updating? (Except for the llama-index-core package)

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Type of Change

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  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • This change requires a documentation update

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  • I have performed a self-review of my own code
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  • I ran make format; make lint to appease the lint gods

stfines-clgx and others added 3 commits November 1, 2024 16:51
Google updated the cloud-aiplatform dependencies,
so in a probably futile attempt to keep them
somewhat current I have updated them.
@logan-markewich
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(Appreciate this @stfines-clgx -- I don't have access to test this 🙏🏻 )

@@ -495,7 +495,7 @@ def get_tool_calls_from_response(

tool_selections = []
for tool_call in tool_calls:
response_dict = MessageToDict(tool_call._pb)
response_dict = MessageToDict(tool_call._raw_message._pb)
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no way to do this without accessing private attributes hey? 😅 Oh google

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Well, in another branch, I did it by just creating an entirely new object by hand. I kept it this way to minimize the change surface area. I can move over to the other change style if it is an issue, but yeah- their MessageToDict function doesn't work without private access. Kind of silly; but then again, I'm not entirely sure that google makes apis for use outside of google.

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[Bug]: Vertex LLM does not Handle FunctionCall tools
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