wehub-resource-sync
107 lines
3.5 KiB
Python
107 lines
3.5 KiB
Python
"""ComposioLangChain class definition"""
|
|
|
|
import types
|
|
import typing as t
|
|
from inspect import Signature
|
|
|
|
import pydantic
|
|
from langchain_core.tools import StructuredTool as BaseStructuredTool
|
|
|
|
from composio.core.provider import AgenticProvider, AgenticProviderExecuteFn
|
|
from composio.types import Tool
|
|
from composio.utils.pydantic import parse_pydantic_error
|
|
from composio.utils.shared import (
|
|
get_signature_format_from_schema_params,
|
|
json_schema_to_model,
|
|
normalize_tool_arguments,
|
|
reinstate_reserved_python_keywords,
|
|
substitute_reserved_python_keywords,
|
|
)
|
|
|
|
|
|
class StructuredTool(BaseStructuredTool): # type: ignore[misc]
|
|
def run(self, *args, **kwargs):
|
|
try:
|
|
return super().run(*args, **kwargs)
|
|
except pydantic.ValidationError as e:
|
|
return {"successful": False, "error": parse_pydantic_error(e), "data": None}
|
|
|
|
|
|
class LanggraphProvider(
|
|
AgenticProvider[StructuredTool, t.List[StructuredTool]],
|
|
name="langgraph",
|
|
):
|
|
"""
|
|
Composio toolset for Langchain framework.
|
|
"""
|
|
|
|
def _wrap_action(
|
|
self,
|
|
tool: str,
|
|
description: str,
|
|
schema_params: t.Dict,
|
|
keywords: t.Dict,
|
|
execute_tool: AgenticProviderExecuteFn,
|
|
):
|
|
def function(**kwargs: t.Any) -> t.Dict:
|
|
"""Wrapper function for composio action."""
|
|
kwargs = reinstate_reserved_python_keywords(
|
|
request=kwargs, keywords=keywords
|
|
)
|
|
# Normalize defensively so a stringified payload is coerced to a dict (issue #2406).
|
|
return execute_tool(tool, normalize_tool_arguments(kwargs))
|
|
|
|
action_func = types.FunctionType(
|
|
function.__code__,
|
|
globals=globals(),
|
|
name=tool,
|
|
closure=function.__closure__,
|
|
)
|
|
action_func.__signature__ = Signature( # type: ignore
|
|
parameters=get_signature_format_from_schema_params(
|
|
schema_params=schema_params,
|
|
skip_default=self.skip_default,
|
|
)
|
|
)
|
|
action_func.__doc__ = description
|
|
return action_func
|
|
|
|
def wrap_tool(
|
|
self, tool: Tool, execute_tool: AgenticProviderExecuteFn
|
|
) -> StructuredTool:
|
|
"""Wraps composio tool as Langchain StructuredTool object."""
|
|
schema_params, keywords = substitute_reserved_python_keywords(
|
|
schema=tool.input_parameters
|
|
)
|
|
return t.cast(
|
|
StructuredTool,
|
|
StructuredTool.from_function(
|
|
name=tool.slug,
|
|
description=tool.description,
|
|
args_schema=json_schema_to_model(
|
|
json_schema=schema_params,
|
|
skip_default=self.skip_default,
|
|
),
|
|
return_schema=True,
|
|
func=self._wrap_action(
|
|
tool=tool.slug,
|
|
description=tool.description,
|
|
schema_params=schema_params,
|
|
keywords=keywords,
|
|
execute_tool=execute_tool,
|
|
),
|
|
handle_tool_error=True,
|
|
handle_validation_error=True,
|
|
),
|
|
)
|
|
|
|
def wrap_tools(
|
|
self,
|
|
tools: t.Sequence[Tool],
|
|
execute_tool: AgenticProviderExecuteFn,
|
|
) -> t.List[StructuredTool]:
|
|
"""
|
|
Get composio tools wrapped as Langchain StructuredTool objects.
|
|
"""
|
|
return [self.wrap_tool(tool=tool, execute_tool=execute_tool) for tool in tools]
|