text: #!/usr/bin/python
  #
  # Copyright 2015 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.
  
  """This example displays all sizes for a given width and height."""
  
  import argparse
  import sys
  
  from apiclient import sample_tools
  from oauth2client import client
  
  # Declare command-line flags.
  argparser = argparse.ArgumentParser(add_help=False)
  argparser.add_argument(
      'profile_id', type=int,
      help='The ID of the profile to look up sizes for')
  argparser.add_argument(
      'height', type=int,
      help='Width of the size to look up')
  argparser.add_argument(
      'width', type=int,
      help='Height of the size to look up')
  
  
  def main(argv):
    # Authenticate and construct service.
    service, flags = sample_tools.init(
        argv, 'dfareporting', 'v2.2', __doc__, __file__, parents=[argparser],
        scope=['https://www.googleapis.com/auth/dfareporting',
               'https://www.googleapis.com/auth/dfatrafficking'])
  
    profile_id = flags.profile_id
    height = flags.height
    width = flags.width
  
    try:
      # Construct the request.
      request = service.sizes().list(
          profileId=profile_id, height=height, width=width)
  
      # Execute request and print response.
      result = request.execute()
  
      for size in result['sizes']:
        print 'Found size with ID %s.' % (size['id'])
  
    except client.AccessTokenRefreshError:
      print ('The credentials have been revoked or expired, please re-run the '
             'application to re-authorize')
  
  
  if __name__ == '__main__':
    main(sys.argv)
  