parse() — langchain Function Reference

Architecture documentation for the parse() function in structured_output.py from the langchain codebase.

Function python LangChainCore Runnables calls 2 called by 1

Entity Profile

LangChainCore→ Runnables→ parse() — langchain Function Reference

Dependency Diagram

graph TD
  2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893["parse()"]
  0e7f8a9f_a02a_a673_44d3_09b6a018dd6e["OutputToolBinding"]
  2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893 -->|defined in| 0e7f8a9f_a02a_a673_44d3_09b6a018dd6e
  0fda5ec1_1f54_5091_4c3c_0202a78dacb3["parse()"]
  0fda5ec1_1f54_5091_4c3c_0202a78dacb3 -->|calls| 2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893
  0fda5ec1_1f54_5091_4c3c_0202a78dacb3["parse()"]
  2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893 -->|calls| 0fda5ec1_1f54_5091_4c3c_0202a78dacb3
  b2dc3213_a7ed_bba2_9b4e_51f17afe2086["_parse_with_schema()"]
  2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893 -->|calls| b2dc3213_a7ed_bba2_9b4e_51f17afe2086
  style 2e00e1b4_350b_ee3e_5dc5_f7ce23fc8893 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/structured_output.py lines 347–359

    def parse(self, tool_args: dict[str, Any]) -> SchemaT:
        """Parse tool arguments according to the schema.

        Args:
            tool_args: The arguments from the tool call

        Returns:
            The parsed response according to the schema type

        Raises:
            ValueError: If parsing fails
        """
        return _parse_with_schema(self.schema, self.schema_kind, tool_args)