ainvoke() — langchain Function Reference

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

Function python OutputParsing StreamingParsers calls 3 called by 1

Entity Profile

OutputParsing→ StreamingParsers→ ainvoke() — langchain Function Reference

Dependency Diagram

graph TD
  cb9da95c_c554_d516_01c0_846b88d55bec["ainvoke()"]
  e155cd04_a39d_263a_c7f3_32e5830d204b["BaseOutputParser"]
  cb9da95c_c554_d516_01c0_846b88d55bec -->|defined in| e155cd04_a39d_263a_c7f3_32e5830d204b
  ca4d3d36_3046_e563_a82a_bfcbad690887["ainvoke()"]
  ca4d3d36_3046_e563_a82a_bfcbad690887 -->|calls| cb9da95c_c554_d516_01c0_846b88d55bec
  53fea0b3_4f55_8510_36c1_454d0cb3b668["aparse_result()"]
  cb9da95c_c554_d516_01c0_846b88d55bec -->|calls| 53fea0b3_4f55_8510_36c1_454d0cb3b668
  ca4d3d36_3046_e563_a82a_bfcbad690887["ainvoke()"]
  cb9da95c_c554_d516_01c0_846b88d55bec -->|calls| ca4d3d36_3046_e563_a82a_bfcbad690887
  2be265b1_8102_c927_29aa_00e92f4c1e3f["aparse_result()"]
  cb9da95c_c554_d516_01c0_846b88d55bec -->|calls| 2be265b1_8102_c927_29aa_00e92f4c1e3f
  style cb9da95c_c554_d516_01c0_846b88d55bec fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/output_parsers/base.py lines 223–243

    async def ainvoke(
        self,
        input: str | BaseMessage,
        config: RunnableConfig | None = None,
        **kwargs: Any | None,
    ) -> T:
        if isinstance(input, BaseMessage):
            return await self._acall_with_config(
                lambda inner_input: self.aparse_result(
                    [ChatGeneration(message=inner_input)]
                ),
                input,
                config,
                run_type="parser",
            )
        return await self._acall_with_config(
            lambda inner_input: self.aparse_result([Generation(text=inner_input)]),
            input,
            config,
            run_type="parser",
        )