prepare() — langchain Function Reference

Architecture documentation for the prepare() function in configurable.py from the langchain codebase.

Function python CoreAbstractions Serialization calls 1 called by 12

Entity Profile

CoreAbstractions→ Serialization→ prepare() — langchain Function Reference

Dependency Diagram

graph TD
  6c8c0cc1_0a40_0783_8101_190958516082["prepare()"]
  362fbd14_1215_07f6_f808_35a613dfc00b["DynamicRunnable"]
  6c8c0cc1_0a40_0783_8101_190958516082 -->|defined in| 362fbd14_1215_07f6_f808_35a613dfc00b
  248ca6fd_e22f_526e_f252_f7a2c997d6ec["get_input_schema()"]
  248ca6fd_e22f_526e_f252_f7a2c997d6ec -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  b6bb4444_c935_aeb5_67e1_a841dfa846cc["get_output_schema()"]
  b6bb4444_c935_aeb5_67e1_a841dfa846cc -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  9435bb2f_f83c_18e7_280f_f06fab12b7c9["get_graph()"]
  9435bb2f_f83c_18e7_280f_f06fab12b7c9 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  d2daec15_b363_e821_e6c5_fd596970406d["invoke()"]
  d2daec15_b363_e821_e6c5_fd596970406d -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  36db5f71_2723_a4d9_b1dc_bca712e26207["ainvoke()"]
  36db5f71_2723_a4d9_b1dc_bca712e26207 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  8521cf9a_986c_818c_2bc6_6bd0a10e4e47["batch()"]
  8521cf9a_986c_818c_2bc6_6bd0a10e4e47 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  268e4621_c476_39f4_16bc_1bffcb10d575["abatch()"]
  268e4621_c476_39f4_16bc_1bffcb10d575 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  e40a8507_73ef_e407_b4f6_7b4a7458aeed["stream()"]
  e40a8507_73ef_e407_b4f6_7b4a7458aeed -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  7002e59f_86be_cdb4_fbe3_a9235f385812["astream()"]
  7002e59f_86be_cdb4_fbe3_a9235f385812 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  30908df3_c968_87d8_3077_4faab65f68b5["transform()"]
  30908df3_c968_87d8_3077_4faab65f68b5 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  84c24ba6_5349_bd71_ca3f_f1475e7e20f4["atransform()"]
  84c24ba6_5349_bd71_ca3f_f1475e7e20f4 -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  5c326896_6667_7526_0374_d8c162087b8a["__getattr__()"]
  5c326896_6667_7526_0374_d8c162087b8a -->|calls| 6c8c0cc1_0a40_0783_8101_190958516082
  8b757577_57b1_e339_365a_8b77f7fb67ee["_prepare()"]
  6c8c0cc1_0a40_0783_8101_190958516082 -->|calls| 8b757577_57b1_e339_365a_8b77f7fb67ee
  style 6c8c0cc1_0a40_0783_8101_190958516082 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/langchain_core/runnables/configurable.py lines 120–134

    def prepare(
        self, config: RunnableConfig | None = None
    ) -> tuple[Runnable[Input, Output], RunnableConfig]:
        """Prepare the `Runnable` for invocation.

        Args:
            config: The configuration to use.

        Returns:
            The prepared `Runnable` and configuration.
        """
        runnable: Runnable[Input, Output] = self
        while isinstance(runnable, DynamicRunnable):
            runnable, config = runnable._prepare(merge_configs(runnable.config, config))  # noqa: SLF001
        return runnable, cast("RunnableConfig", config)