_validate_tools() — langchain Function Reference

Architecture documentation for the _validate_tools() function in base.py from the langchain codebase.

Function python AgentOrchestration ToolInterface calls 1 called by 1

Entity Profile

AgentOrchestration→ ToolInterface→ _validate_tools() — langchain Function Reference

Dependency Diagram

graph TD
  aa43b201_85d4_3e68_b77d_271aa3784786["_validate_tools()"]
  d5d43d15_73de_819f_ef9d_0df3b0f5c681["ReActDocstoreAgent"]
  aa43b201_85d4_3e68_b77d_271aa3784786 -->|defined in| d5d43d15_73de_819f_ef9d_0df3b0f5c681
  9bf9550d_96c7_784c_c127_4609af342ad6["_validate_tools()"]
  9bf9550d_96c7_784c_c127_4609af342ad6 -->|calls| aa43b201_85d4_3e68_b77d_271aa3784786
  9bf9550d_96c7_784c_c127_4609af342ad6["_validate_tools()"]
  aa43b201_85d4_3e68_b77d_271aa3784786 -->|calls| 9bf9550d_96c7_784c_c127_4609af342ad6
  style aa43b201_85d4_3e68_b77d_271aa3784786 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/agents/react/base.py lines 58–67

    def _validate_tools(cls, tools: Sequence[BaseTool]) -> None:
        validate_tools_single_input(cls.__name__, tools)
        super()._validate_tools(tools)
        if len(tools) != len(_LOOKUP_AND_SEARCH_TOOLS):
            msg = f"Exactly two tools must be specified, but got {tools}"
            raise ValueError(msg)
        tool_names = {tool.name for tool in tools}
        if tool_names != _LOOKUP_AND_SEARCH_TOOLS:
            msg = f"Tool names should be Lookup and Search, got {tool_names}"
            raise ValueError(msg)