Source code for langchain_community.document_loaders.tencent_cos_file

import os
import tempfile
from typing import Any, Iterator

from langchain_core.documents import Document

from langchain_community.document_loaders.base import BaseLoader
from langchain_community.document_loaders.unstructured import UnstructuredFileLoader

[docs]class TencentCOSFileLoader(BaseLoader): """Load from `Tencent Cloud COS` file."""
[docs] def __init__(self, conf: Any, bucket: str, key: str): """Initialize with COS config, bucket and key name. :param conf(CosConfig): COS config. :param bucket(str): COS bucket. :param key(str): COS file key. """ self.conf = conf self.bucket = bucket self.key = key
[docs] def lazy_load(self) -> Iterator[Document]: """Load documents.""" try: from qcloud_cos import CosS3Client except ImportError: raise ImportError( "Could not import cos-python-sdk-v5 python package. " "Please install it with `pip install cos-python-sdk-v5`." ) # initialize a client client = CosS3Client(self.conf) with tempfile.TemporaryDirectory() as temp_dir: file_path = f"{temp_dir}/{self.bucket}/{self.key}" os.makedirs(os.path.dirname(file_path), exist_ok=True) # Download the file to a destination client.download_file( Bucket=self.bucket, Key=self.key, DestFilePath=file_path ) loader = UnstructuredFileLoader(file_path) # UnstructuredFileLoader not implement lazy_load yet return iter(loader.load())