Source code for langchain_community.document_loaders.tencent_cos_directory

from typing import Any, Iterator

from langchain_core.documents import Document

from langchain_community.document_loaders.base import BaseLoader
from langchain_community.document_loaders.tencent_cos_file import TencentCOSFileLoader

[docs]class TencentCOSDirectoryLoader(BaseLoader): """Load from `Tencent Cloud COS` directory."""
[docs] def __init__(self, conf: Any, bucket: str, prefix: str = ""): """Initialize with COS config, bucket and prefix. :param conf(CosConfig): COS config. :param bucket(str): COS bucket. :param prefix(str): prefix. """ self.conf = conf self.bucket = bucket self.prefix = prefix
[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`." ) client = CosS3Client(self.conf) contents = [] marker = "" while True: response = client.list_objects( Bucket=self.bucket, Prefix=self.prefix, Marker=marker, MaxKeys=1000 ) if "Contents" in response: contents.extend(response["Contents"]) if response["IsTruncated"] == "false": break marker = response["NextMarker"] for content in contents: if content["Key"].endswith("/"): continue loader = TencentCOSFileLoader(self.conf, self.bucket, content["Key"]) yield loader.load()[0]