mirror of
https://github.com/hwchase17/langchain
synced 2024-11-16 06:13:16 +00:00
54 lines
1.8 KiB
Python
54 lines
1.8 KiB
Python
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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 urllib.parse import urlparse
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import requests
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from langchain_community.docstore.document import Document
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from langchain_community.document_loaders.base import BaseLoader
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from langchain_community.document_loaders.blob_loaders import Blob
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from langchain_community.document_loaders.parsers import VsdxParser
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class VsdxLoader(BaseLoader, ABC):
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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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self.parser = VsdxParser()
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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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@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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def load(self) -> List[Document]:
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blob = Blob.from_path(self.file_path)
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return list(self.parser.parse(blob))
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