text: #!/usr/bin/python
  #
  # Copyright 2013 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 code example updates the destination URL of all line item creative
  associations (LICA) up to the first 500. To determine which LICAs exist, run
  get_all_licas.py."""
  
  __author__ = 'api.shamjeff@gmail.com (Jeff Sham)'
  
  # Locate the client library. If module was installed via "setup.py" script, then
  # the following two lines are not needed.
  import os
  import sys
  sys.path.insert(0, os.path.join('..', '..', '..', '..'))
  
  # Import appropriate classes from the client library.
  from adspygoogle import DfpClient
  
  
  # Initialize client object.
  client = DfpClient(path=os.path.join('..', '..', '..', '..'))
  
  # Initialize appropriate service.
  lica_service = client.GetService(
      'LineItemCreativeAssociationService', version='v201308')
  
  # Create statement object to get all LICAs.
  filter_statement = {'query': 'LIMIT 500'}
  
  # Get LICAs by statement.
  response = lica_service.GetLineItemCreativeAssociationsByStatement(
      filter_statement)[0]
  licas = []
  if 'results' in response:
    licas = response['results']
  
  if licas:
    # Update each local LICA object by changing its destination URL.
    for lica in licas:
      lica['destinationUrl'] = 'http://news.google.com'
  
    # Update LICAs remotely.
    licas = lica_service.UpdateLineItemCreativeAssociations(licas)
  
    # Display results.
    if licas:
      for lica in licas:
        print ('LICA with line item id \'%s\', creative id \'%s\', and status '
               '\'%s\' was updated.' % (lica['lineItemId'], lica['creativeId'],
                                        lica['status']))
    else:
      print 'No LICAs were updated.'
  else:
    print 'No LICAs found to update.'
  