mirror of
https://github.com/hwchase17/langchain
synced 2024-11-18 09:25:54 +00:00
28 lines
664 B
Python
28 lines
664 B
Python
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from string import Formatter
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from typing import List
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from langchain.schema import Document
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document_template = """
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PASSAGE: {page_content}
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METADATA: {metadata}
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"""
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def combine_documents(documents: List[Document]) -> str:
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"""
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Combine a list of documents into a single string that might be passed further down
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to a language model.
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:param documents: list of documents to combine
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:return:
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"""
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formatter = Formatter()
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return "\n\n".join(
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formatter.format(
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document_template,
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page_content=document.page_content,
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metadata=document.metadata,
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)
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for document in documents
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)
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