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"""Loader that loads word documents."""
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"""Loader that loads word documents."""
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import os
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import os
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import tempfile
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from abc import ABC
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from typing import List
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from typing import List
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from urllib.parse import urlparse
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import requests
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from langchain.docstore.document import Document
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from langchain.document_loaders.base import BaseLoader
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from langchain.document_loaders.unstructured import UnstructuredFileLoader
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from langchain.document_loaders.unstructured import UnstructuredFileLoader
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class Docx2txtLoader(BaseLoader, ABC):
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"""Loads a DOCX with docx2txt and chunks at character level.
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Defaults to check for local file, but if the file is a web path, it will download it
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to a temporary file, and use that, then clean up the temporary file after completion
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"""
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def __init__(self, file_path: str):
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"""Initialize with file path."""
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self.file_path = file_path
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if "~" in self.file_path:
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self.file_path = os.path.expanduser(self.file_path)
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# If the file is a web path, download it to a temporary file, and use that
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if not os.path.isfile(self.file_path) and self._is_valid_url(self.file_path):
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r = requests.get(self.file_path)
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if r.status_code != 200:
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raise ValueError(
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"Check the url of your file; returned status code %s"
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% r.status_code
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)
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self.web_path = self.file_path
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self.temp_file = tempfile.NamedTemporaryFile()
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self.temp_file.write(r.content)
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self.file_path = self.temp_file.name
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elif not os.path.isfile(self.file_path):
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raise ValueError("File path %s is not a valid file or url" % self.file_path)
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def __del__(self) -> None:
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if hasattr(self, "temp_file"):
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self.temp_file.close()
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def load(self) -> List[Document]:
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"""Load given path as single page."""
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import docx2txt
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return [
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Document(
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page_content=docx2txt.process(self.file_path),
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metadata={"source": self.file_path},
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)
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]
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@staticmethod
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def _is_valid_url(url: str) -> bool:
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"""Check if the url is valid."""
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parsed = urlparse(url)
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return bool(parsed.netloc) and bool(parsed.scheme)
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class UnstructuredWordDocumentLoader(UnstructuredFileLoader):
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class UnstructuredWordDocumentLoader(UnstructuredFileLoader):
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"""Loader that uses unstructured to load word documents."""
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"""Loader that uses unstructured to load word documents."""
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