Azure AI data 集成

使用 LangChain Python 集成 Azure AI data 文档加载器。

Azure AI Foundry (formerly Azure AI Studio provides the capability to upload data assets to cloud storage and register existing data assets from the following sources:

• Microsoft OneLake
• Azure Blob Storage
• Azure Data Lake gen 2

The benefit of this approach over AzureBlobStorageContainerLoader and AzureBlobStorageFileLoader is that authentication is handled seamlessly to cloud storage. You can use either identity-based data access control to the data or credential-based (e.g. SAS token, account key). In the case of credential-based data access you do not need to specify secrets in your code or set up key vaults - the system handles that for you.

本 notebook 介绍如何load document objects from a data asset in AI Studio.

pip install -qU azureml-fsspec azure-ai-generative

from azure.ai.resources.client import AIClient
from azure.identity import DefaultAzureCredential
from langchain_community.document_loaders import AzureAIDataLoader

# Create a connection to your project
client = AIClient(
    credential=DefaultAzureCredential(),
    subscription_id="<subscription_id>",
    resource_group_name="<resource_group_name>",
    project_name="<project_name>",
)

# get the latest version of your data asset
data_asset = client.data.get(name="<data_asset_name>", label="latest")

# load the data asset
loader = AzureAIDataLoader(url=data_asset.path)

loader.load()

[Document(page_content='Lorem ipsum dolor sit amet.', lookup_str='', metadata={'source': '/var/folders/y6/8_bzdg295ld6s1_97_12m4lr0000gn/T/tmpaa9xl6ch/fake.docx'}, lookup_index=0)]

Specifying a glob pattern

你也可以指定a glob pattern for more fine-grained control over what files to load. In the example below, only files with a pdf extension will be loaded.

loader = AzureAIDataLoader(url=data_asset.path, glob="*.pdf")

loader.load()

[Document(page_content='Lorem ipsum dolor sit amet.', lookup_str='', metadata={'source': '/var/folders/y6/8_bzdg295ld6s1_97_12m4lr0000gn/T/tmpujbkzf_l/fake.docx'}, lookup_index=0)]

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通过 MCP 将这些文档连接到 Claude、VSCode 等工具以获取实时答案。

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