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langchain_google_vertexai:Enable the use of langchain's built-in tools in Gemini's function calling (#16341)

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- **Issue:** This is a PR about #16340 

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Co-authored-by: yuhei.tsunoda <yuhei.tsunoda@brainpad.co.jp>
This commit is contained in:
y2noda 2024-01-23 03:16:36 +09:00 committed by GitHub
parent 1445ac95e8
commit 54f90fc6bc
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1 changed files with 4 additions and 4 deletions
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8
libs/partners/google-vertexai/langchain_google_vertexai/functions_utils.py
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@ -5,7 +5,7 @@ from langchain_core.exceptions import OutputParserException
from langchain_core.output_parsers import BaseOutputParser from langchain_core.output_parsers import BaseOutputParser
from langchain_core.outputs import ChatGeneration, Generation from langchain_core.outputs import ChatGeneration, Generation
from langchain_core.pydantic_v1 import BaseModel from langchain_core.pydantic_v1 import BaseModel
from langchain_core.tools import Tool from langchain_core.tools import BaseTool
from langchain_core.utils.function_calling import FunctionDescription from langchain_core.utils.function_calling import FunctionDescription
from langchain_core.utils.json_schema import dereference_refs from langchain_core.utils.json_schema import dereference_refs
from vertexai.preview.generative_models import ( # type: ignore from vertexai.preview.generative_models import ( # type: ignore
@ -39,7 +39,7 @@ def _format_pydantic_to_vertex_function(
} }
def _format_tool_to_vertex_function(tool: Tool) -> FunctionDescription: def _format_tool_to_vertex_function(tool: BaseTool) -> FunctionDescription:
"Format tool into the Vertex function API." "Format tool into the Vertex function API."
if tool.args_schema: if tool.args_schema:
schema = dereference_refs(tool.args_schema.schema()) schema = dereference_refs(tool.args_schema.schema())
@ -75,12 +75,12 @@ def _format_tool_to_vertex_function(tool: Tool) -> FunctionDescription:
def _format_tools_to_vertex_tool( def _format_tools_to_vertex_tool(
tools: List[Union[Tool, Type[BaseModel]]], tools: List[Union[BaseTool, Type[BaseModel]]],
) -> List[VertexTool]: ) -> List[VertexTool]:
"Format tool into the Vertex Tool instance." "Format tool into the Vertex Tool instance."
function_declarations = [] function_declarations = []
for tool in tools: for tool in tools:
if isinstance(tool, Tool): if isinstance(tool, BaseTool):
func = _format_tool_to_vertex_function(tool) func = _format_tool_to_vertex_function(tool)
else: else:
func = _format_pydantic_to_vertex_function(tool) func = _format_pydantic_to_vertex_function(tool)