_get_inputs() — langchain Function Reference

Source Code

libs/langchain/langchain_classic/chains/combine_documents/stuff.py lines 201–225

    def _get_inputs(self, docs: list[Document], **kwargs: Any) -> dict:
        """Construct inputs from kwargs and docs.

        Format and then join all the documents together into one input with name
        `self.document_variable_name`. Also pluck any additional variables
        from **kwargs.

        Args:
            docs: List of documents to format and then join into single input
            **kwargs: additional inputs to chain, will pluck any other required
                arguments from here.

        Returns:
            dictionary of inputs to LLMChain
        """
        # Format each document according to the prompt
        doc_strings = [format_document(doc, self.document_prompt) for doc in docs]
        # Join the documents together to put them in the prompt.
        inputs = {
            k: v
            for k, v in kwargs.items()
            if k in self.llm_chain.prompt.input_variables
        }
        inputs[self.document_variable_name] = self.document_separator.join(doc_strings)
        return inputs