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Showing content from https://python.langchain.com/docs/integrations/document_loaders/huawei_obs_directory/ below:

Huawei OBS Directory | 🦜️🔗 LangChain

The following code demonstrates how to load objects from the Huawei OBS (Object Storage Service) as documents.

from langchain_community.document_loaders import OBSDirectoryLoader

endpoint = "your-endpoint"

config = {"ak": "your-access-key", "sk": "your-secret-key"}
loader = OBSDirectoryLoader("your-bucket-name", endpoint=endpoint, config=config)

If you want to load objects with a specific prefix from the bucket, you can use the following code:

loader = OBSDirectoryLoader(
    "your-bucket-name", endpoint=endpoint, config=config, prefix="test_prefix"
)

If your langchain is deployed on Huawei Cloud ECS and Agency is set up, the loader can directly get the security token from ECS without needing access key and secret key.

config = {"get_token_from_ecs": True}
loader = OBSDirectoryLoader("your-bucket-name", endpoint=endpoint, config=config)

If your bucket's bucket policy allows anonymous access (anonymous users have listBucket and GetObject permissions), you can directly load the objects without configuring the config parameter.

loader = OBSDirectoryLoader("your-bucket-name", endpoint=endpoint)

• Document loader conceptual guide
• Document loader how-to guides

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