def remove_blob_owner(bucket_name, blob_name, user_email):
 storage_client = storage.Client()
 bucket = storage_client.bucket(bucket_name)
 blob = bucket.blob(blob_name)
 blob.acl.user(user_email).revoke_read()
 blob.acl.user(user_email).revoke_write()
 blob.acl.user(user_email).revoke_owner()
 blob.acl.save()
 print 'Removed user {} from blob {} in bucket {}.'.format(user_email, blob_name, bucket_name)

def remove_blob_owner ( bucket_name , blob_name , user_email ) : storage_client = storage . Client ( ) bucket = storage_client . bucket ( bucket_name ) blob = bucket . blob ( blob_name ) blob . acl . user ( user_email ) . revoke_read ( ) blob . acl . user ( user_email ) . revoke_write ( ) blob . acl . user ( user_email ) . revoke_owner ( ) blob . acl . save ( ) print 'Removed user {} from blob {} in bucket {}.' . format ( user_email , blob_name , bucket_name )
removes a user from the access control list of the given blob in the given bucket .