text: #!/usr/bin/env python
  
  # Copyright 2019 Google Inc. All Rights Reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the 'License');
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  import sys
  
  # [START storage_remove_bucket_iam_member]
  from google.cloud import storage
  
  
  def remove_bucket_iam_member(bucket_name, role, member):
      """Remove member from bucket IAM Policy"""
      # bucket_name = "your-bucket-name"
      # role = "IAM role, e.g. roles/storage.objectViewer"
      # member = "IAM identity, e.g. user: name@example.com"
  
      storage_client = storage.Client()
      bucket = storage_client.bucket(bucket_name)
  
      policy = bucket.get_iam_policy(requested_policy_version=3)
  
      for binding in policy.bindings:
          print(binding)
          if binding["role"] == role and binding.get("condition") is None:
              binding["members"].discard(member)
  
      bucket.set_iam_policy(policy)
  
      print(f"Removed {member} with role {role} from {bucket_name}.")
  
  
  # [END storage_remove_bucket_iam_member]
  
  if __name__ == "__main__":
      remove_bucket_iam_member(
          bucket_name=sys.argv[1], role=sys.argv[2], member=sys.argv[3]
      )
  