def upload_complete_view(request: Request, upload_id: str) -> HttpResponseBase:
"""
Complete a multipart upload.
After all data has been uploaded using the URLs provided by initialize, this endpoint must
be called to create the object in the object store. A presigned URL that performs the
completion is returned, as the completion might take several minutes for large files.
"""
request_serializer = UploadCompletionRequestSerializer(data=request.data)
request_serializer.is_valid(raise_exception=True)
parts: List[TransferredPart] = request_serializer.save()
upload = get_object_or_404(Upload, upload_id=upload_id)
completion = TransferredParts(
object_key=upload.blob.name,
upload_id=str(upload.multipart_upload_id),
parts=parts,
)
completed_upload = MultipartManager.from_storage(AssetBlob.blob.field.storage).complete_upload(
completion
)
response_serializer = UploadCompletionResponseSerializer(
{
'complete_url': completed_upload.complete_url,
'body': completed_upload.body,
}
)
return Response(response_serializer.data)
def initialize_multipart_upload(cls, etag, size):
upload_id = uuid4()
object_key = cls.object_key(upload_id)
multipart_initialization = MultipartManager.from_storage(
AssetBlob.blob.field.storage
).initialize_upload(object_key, size)
upload = cls(
upload_id=upload_id,
blob=object_key,
etag=etag,
size=size,
multipart_upload_id=multipart_initialization.upload_id,
)
return upload, {'upload_id': upload.upload_id, 'parts': multipart_initialization.parts}
def multipart_manager(storage: Storage) -> MultipartManager:
return MultipartManager.from_storage(storage)