async def multipart_upload(self,
Bucket=None,
Key=None,
Body=None,
ACL=None,
config=None,
callback=None,
**kwargs):
if config is None:
config = boto3.s3.transfer.TransferConfig()
context = {'raw_body': Body}
handler = EncryptionHandler(self.key_provider, self.encryption_mode)
# with concurrent.futures.ThreadPoolExecutor() as pool:
# context = await self.loop.run_in_executor(
# pool, handler.build_request_context, context)
if S3Action.MULTIPART_UPLOAD not in handler.actions_for_cipher():
raise ValueError(
'Current cipher can not be used for full multipart upload')
context = handler.build_request_context(context)
if ACL is not None:
kwargs['ACL'] = ACL
kwargs.update({'Metadata': context['envelope']})
f = io.BytesIO(context['body'].full_data)
await self.client.upload_fileobj(f,
Bucket=Bucket,
Key=Key,
ExtraArgs=kwargs.copy(),
Callback=callback,
Config=config)
