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_load_stuff_documents_chain() — langchain Function Reference

Architecture documentation for the _load_stuff_documents_chain() function in loading.py from the langchain codebase.

Function python AgentOrchestration ClassicChains calls 2

Entity Profile

Dependency Diagram

graph TD
  5dd0e89e_45dc_955a_218d_9da7c99a8d3c["_load_stuff_documents_chain()"]
  61dd5a0b_3bf7_b973_6dac_edfd465b21fb["loading.py"]
  5dd0e89e_45dc_955a_218d_9da7c99a8d3c -->|defined in| 61dd5a0b_3bf7_b973_6dac_edfd465b21fb
  7c915b91_f326_1908_9969_d0cb1f4f7e34["load_chain_from_config()"]
  5dd0e89e_45dc_955a_218d_9da7c99a8d3c -->|calls| 7c915b91_f326_1908_9969_d0cb1f4f7e34
  ab90e794_4e78_646b_dee9_e87a00250d94["load_chain()"]
  5dd0e89e_45dc_955a_218d_9da7c99a8d3c -->|calls| ab90e794_4e78_646b_dee9_e87a00250d94
  style 5dd0e89e_45dc_955a_218d_9da7c99a8d3c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain/langchain_classic/chains/loading.py lines 118–145

def _load_stuff_documents_chain(config: dict, **kwargs: Any) -> StuffDocumentsChain:
    if "llm_chain" in config:
        llm_chain_config = config.pop("llm_chain")
        llm_chain = load_chain_from_config(llm_chain_config, **kwargs)
    elif "llm_chain_path" in config:
        llm_chain = load_chain(config.pop("llm_chain_path"), **kwargs)
    else:
        msg = "One of `llm_chain` or `llm_chain_path` must be present."
        raise ValueError(msg)

    if not isinstance(llm_chain, LLMChain):
        msg = f"Expected LLMChain, got {llm_chain}"
        raise ValueError(msg)  # noqa: TRY004

    if "document_prompt" in config:
        prompt_config = config.pop("document_prompt")
        document_prompt = load_prompt_from_config(prompt_config)
    elif "document_prompt_path" in config:
        document_prompt = load_prompt(config.pop("document_prompt_path"))
    else:
        msg = "One of `document_prompt` or `document_prompt_path` must be present."
        raise ValueError(msg)

    return StuffDocumentsChain(
        llm_chain=llm_chain,
        document_prompt=document_prompt,
        **config,
    )

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does _load_stuff_documents_chain() do?
_load_stuff_documents_chain() is a function in the langchain codebase, defined in libs/langchain/langchain_classic/chains/loading.py.
Where is _load_stuff_documents_chain() defined?
_load_stuff_documents_chain() is defined in libs/langchain/langchain_classic/chains/loading.py at line 118.
What does _load_stuff_documents_chain() call?
_load_stuff_documents_chain() calls 2 function(s): load_chain, load_chain_from_config.

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