Source code for langchain.document_loaders.parsers.msword
from typing import Iterator
from langchain.document_loaders.base import BaseBlobParser
from langchain.document_loaders.blob_loaders import Blob
from langchain.schema import Document
[docs]class MsWordParser(BaseBlobParser):
[docs]    def lazy_parse(self, blob: Blob) -> Iterator[Document]:
        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 (
            "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:
            elements = mime_type_parser[blob.mimetype](file=word_document)
            text = "\n\n".join([str(el) for el in elements])
            metadata = {"source": blob.source}
            yield Document(page_content=text, metadata=metadata)