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33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
"""Loading logic for loading documents from an GCS directory."""
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from typing import List
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from langchain.docstore.document import Document
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from langchain.document_loaders.base import BaseLoader
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from langchain.document_loaders.gcs_file import GCSFileLoader
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class GCSDirectoryLoader(BaseLoader):
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"""Loading logic for loading documents from GCS."""
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def __init__(self, project_name: str, bucket: str, prefix: str = ""):
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"""Initialize with bucket and key name."""
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self.project_name = project_name
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self.bucket = bucket
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self.prefix = prefix
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def load(self) -> List[Document]:
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"""Load documents."""
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try:
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from google.cloud import storage
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except ImportError:
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raise ValueError(
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"Could not import google-cloud-storage python package. "
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"Please it install it with `pip install google-cloud-storage`."
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)
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client = storage.Client(project=self.project_name)
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docs = []
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for blob in client.list_blobs(self.bucket, prefix=self.prefix):
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loader = GCSFileLoader(self.project_name, self.bucket, blob.name)
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docs.extend(loader.load())
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return docs
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