Source code for langchain_community.document_loaders.parsers.msword

from typing import Iterator

from langchain_core.documents import Document

from langchain_community.document_loaders.base import BaseBlobParser
from langchain_community.document_loaders.blob_loaders import Blob

[docs]class MsWordParser(BaseBlobParser): """Parse the Microsoft Word documents from a blob."""
[docs] def lazy_parse(self, blob: Blob) -> Iterator[Document]: # type: ignore[valid-type] """Parse a Microsoft Word document into the Document iterator. Args: blob: The blob to parse. Returns: An iterator of Documents. """ try: from unstructured.partition.doc import partition_doc from unstructured.partition.docx import partition_docx except ImportError as e: raise ImportError( "Could not import unstructured, please install with `pip install " "unstructured`." ) from e mime_type_parser = { "application/msword": partition_doc, "application/vnd.openxmlformats-officedocument.wordprocessingml.document": ( partition_docx ), } if blob.mimetype not in ( # type: ignore[attr-defined] "application/msword", "application/vnd.openxmlformats-officedocument.wordprocessingml.document", ): raise ValueError("This blob type is not supported for this parser.") with blob.as_bytes_io() as word_document: # type: ignore[attr-defined] elements = mime_type_parser[blob.mimetype](file=word_document) # type: ignore[attr-defined] text = "\n\n".join([str(el) for el in elements]) metadata = {"source": blob.source} # type: ignore[attr-defined] yield Document(page_content=text, metadata=metadata)