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63 lines
1.8 KiB
Python
63 lines
1.8 KiB
Python
from typing import Optional
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from langchain.agents import load_tools
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from langchain.agents.tools import BaseTool
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from langchain.llms.base import BaseLLM
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from .base import BaseToolSet, SessionGetter
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class ToolsFactory:
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@staticmethod
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def from_toolset(
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toolset: BaseToolSet,
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only_global: Optional[bool] = False,
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only_per_session: Optional[bool] = False,
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get_session: SessionGetter = lambda: [],
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) -> list[BaseTool]:
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tools = []
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for wrapper in toolset.tool_wrappers():
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if only_global and not wrapper.is_global():
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continue
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if only_per_session and not wrapper.is_per_session():
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continue
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tools.append(wrapper.to_tool(get_session=get_session))
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return tools
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@staticmethod
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def create_global_tools(
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toolsets: list[BaseToolSet],
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) -> list[BaseTool]:
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tools = []
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for toolset in toolsets:
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tools.extend(
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ToolsFactory.from_toolset(
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toolset=toolset,
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only_global=True,
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)
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)
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return tools
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@staticmethod
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def create_per_session_tools(
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toolsets: list[BaseToolSet],
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get_session: SessionGetter = lambda: [],
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) -> list[BaseTool]:
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tools = []
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for toolset in toolsets:
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tools.extend(
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ToolsFactory.from_toolset(
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toolset=toolset,
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only_per_session=True,
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get_session=get_session,
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)
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)
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return tools
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@staticmethod
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def create_global_tools_from_names(
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toolnames: list[str],
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llm: Optional[BaseLLM],
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) -> list[BaseTool]:
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return load_tools(toolnames, llm=llm)
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