def _finalize_blob_storage(self, app_config):
""" When an upload is successful, this ends the uploading process from the storage's perspective.
Returns True if the blob already existed. """
computed_digest = digest_tools.sha256_digest_from_hashlib(
self.blob_upload.sha_state)
final_blob_location = digest_tools.content_path(computed_digest)
# Close the database connection before we perform this operation, as it can take a while
# and we shouldn't hold the connection during that time.
with CloseForLongOperation(app_config):
# Move the storage into place, or if this was a re-upload, cancel it
already_existed = self.storage.exists(
{self.blob_upload.location_name}, final_blob_location)
if already_existed:
# It already existed, clean up our upload which served as proof that the
# uploader had the blob.
self.storage.cancel_chunked_upload(
{self.blob_upload.location_name},
self.blob_upload.upload_id,
self.blob_upload.storage_metadata,
)
else:
# We were the first ones to upload this image (at least to this location)
# Let's copy it into place
self.storage.complete_chunked_upload(
{self.blob_upload.location_name},
self.blob_upload.upload_id,
final_blob_location,
self.blob_upload.storage_metadata,
)
return already_existed
def blob_path(self, digest_str):
return content_path(digest_str)
def test_paths(digest, path):
assert content_path(digest) == path