in s3booster-snowball-v1.py [0:0]
def create_mpu(key_name):
if no_extract == 'y':
mpu = s3_client.create_multipart_upload(Bucket=bucket_name, Key=key_name, StorageClass=s3_client_class)
else:
mpu = s3_client.create_multipart_upload(Bucket=bucket_name, Key=key_name, StorageClass=s3_client_class, Metadata={"snowball-auto-extract": "true"})
mpu_id = mpu["UploadId"]
return mpu_id