mirror of
https://github.com/Mintplex-Labs/langchain-python.git
synced 2026-07-19 21:33:31 -04:00
Lucas Vieira
e6c1c32aff
So, this is basically fixing the same things as #1517 but for GCS. ### Problem When loading GCS Objects with `/` in the object key (eg. folder/some-document.txt) using `GCSFileLoader`, the objects are downloaded into a temporary directory and saved as a file. This errors out when the parent directory does not exist within the temporary directory. ### What this pr does Creates parent directories based on object key. This also works with deeply nested keys: folder/subfolder/some-document.txt
37 lines
1.4 KiB
Python
37 lines
1.4 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 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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# we shall just skip directories since GCSFileLoader creates
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# intermediate directories on the fly
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if blob.name.endswith("/"):
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continue
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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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