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_construct_initial_inputs() — langchain Function Reference

Architecture documentation for the _construct_initial_inputs() function in refine.py from the langchain codebase.

Function python AgentOrchestration ClassicChains called by 2

Entity Profile

Dependency Diagram

graph TD
  37a82994_6ed9_4853_ba28_ec381055abd1["_construct_initial_inputs()"]
  d0a9b180_8f2a_0a58_5392_0a04880a6b38["RefineDocumentsChain"]
  37a82994_6ed9_4853_ba28_ec381055abd1 -->|defined in| d0a9b180_8f2a_0a58_5392_0a04880a6b38
  65338410_0245_c6de_1cd9_f26020d9e985["combine_docs()"]
  65338410_0245_c6de_1cd9_f26020d9e985 -->|calls| 37a82994_6ed9_4853_ba28_ec381055abd1
  b8ccc423_c361_3ff8_e8ee_a7fc228a1cb1["acombine_docs()"]
  b8ccc423_c361_3ff8_e8ee_a7fc228a1cb1 -->|calls| 37a82994_6ed9_4853_ba28_ec381055abd1
  style 37a82994_6ed9_4853_ba28_ec381055abd1 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/combine_documents/refine.py lines 214–225

    def _construct_initial_inputs(
        self,
        docs: list[Document],
        **kwargs: Any,
    ) -> dict[str, Any]:
        base_info = {"page_content": docs[0].page_content}
        base_info.update(docs[0].metadata)
        document_info = {k: base_info[k] for k in self.document_prompt.input_variables}
        base_inputs: dict = {
            self.document_variable_name: self.document_prompt.format(**document_info),
        }
        return {**base_inputs, **kwargs}

Domain

Subdomains

Defined In

Called By

Source

Frequently Asked Questions

What does _construct_initial_inputs() do?
_construct_initial_inputs() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/chains/combine_documents/refine.py.
Where is _construct_initial_inputs() defined?
_construct_initial_inputs() is defined in libs/langchain/langchain_classic/chains/combine_documents/refine.py at line 214.
What calls _construct_initial_inputs()?
_construct_initial_inputs() is called by 2 function(s): acombine_docs, combine_docs.

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