38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
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from abc import ABCMeta, abstractmethod
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from collections import namedtuple
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from six import add_metaclass
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class BlobUpload(namedtuple('BlobUpload', ['uuid', 'storage_metadata', 'location_name'])):
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"""
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BlobUpload represents a single upload of a blob in progress or previously started.
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"""
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@add_metaclass(ABCMeta)
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class BlobUploadCleanupWorkerDataInterface(object):
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"""
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Interface that represents all data store interactions required by the blob upload cleanup worker.
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"""
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@abstractmethod
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def get_stale_blob_upload(self, stale_threshold):
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""" Returns a BlobUpload that was created on or before the current date/time minus the
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stale threshold. If none, returns None. """
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pass
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@abstractmethod
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def delete_blob_upload(self, blob_upload):
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""" Deletes a blob upload from the database. """
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pass
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@abstractmethod
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def create_stale_upload_for_testing(self):
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""" Creates a new stale blob upload for testing. """
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pass
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@abstractmethod
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def blob_upload_exists(self, upload_uuid):
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""" Returns True if a blob upload with the given UUID exists. """
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pass
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