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add async support for tools (#10058)

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Harrison Chase 2023-08-31 16:52:05 -07:00 committed by GitHub
parent c710c7303f
commit 566ce06f4a
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1 changed files with 15 additions and 3 deletions
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18
libs/langchain/langchain/tools/base.py
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@ -273,7 +273,11 @@ class ChildTool(BaseTool):
Add run_manager: Optional[AsyncCallbackManagerForToolRun] = None
to child implementations to enable tracing,
"""
raise NotImplementedError()
return await asyncio.get_running_loop().run_in_executor(
None,
partial(self._run, **kwargs),
*args,
)
def _to_args_and_kwargs(self, tool_input: Union[str, Dict]) -> Tuple[Tuple, Dict]:
# For backwards compatibility, if run_input is a string,
@ -522,7 +526,10 @@ class Tool(BaseTool):
if new_argument_supported
else await self.coroutine(*args, **kwargs)
)
raise NotImplementedError("Tool does not support async")
else:
return await asyncio.get_running_loop().run_in_executor(
None, partial(self._run, run_manager=run_manager, **kwargs), *args
)
# TODO: this is for backwards compatibility, remove in future
def __init__(
@ -634,7 +641,12 @@ class StructuredTool(BaseTool):
if new_argument_supported
else await self.coroutine(*args, **kwargs)
)
raise NotImplementedError("Tool does not support async")
return await asyncio.get_running_loop().run_in_executor(
None,
self._run,
partial(self._run, run_manager=run_manager, **kwargs),
*args,
)
@classmethod
def from_function(