text: #!/usr/bin/env python
  #
  # Copyright 2016 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 downloads a criteria performance report as a stream with AWQL.
  
  To get report fields, run get_report_fields.py.
  
  The LoadFromStorage method is pulling credentials and properties from a
  "googleads.yaml" file. By default, it looks for this file in your home
  directory. For more information, see the "Caching authentication information"
  section of our README.
  
  """
  
  
  import logging
  import io
  import sys
  
  from googleads import adwords
  
  
  logging.basicConfig(level=logging.INFO)
  logging.getLogger('suds.transport').setLevel(logging.DEBUG)
  
  # Specify where to download the file here.
  PATH = '/tmp/report_download.csv'
  # The chunk size used for the report download.
  CHUNK_SIZE = 16 * 1024
  
  
  def main(client):
    # Initialize appropriate service.
    report_downloader = client.GetReportDownloader(version='v201708')
  
    # Create report query.
    report_query = (adwords.ReportQueryBuilder()
                    .Select('CampaignId', 'AdGroupId', 'Id', 'Criteria',
                            'CriteriaType', 'FinalUrls', 'Impressions', 'Clicks',
                            'Cost')
                    .From('CRITERIA_PERFORMANCE_REPORT')
                    .Where('Status').In('ENABLED', 'PAUSED')
                    .During('LAST_7_DAYS')
                    .Build())
  
    print(report_downloader.DownloadReportAsStringWithAwql(
        report_query, 'CSV', skip_report_header=False, skip_column_header=False,
        skip_report_summary=False, include_zero_impressions=True))
  
    # Retrieve the report stream and print it out
    report_data = io.StringIO()
    stream_data = report_downloader.DownloadReportAsStreamWithAwql(report_query,
                                                                   'CSV')
  
    try:
      while True:
        chunk = stream_data.read(CHUNK_SIZE)
        if not chunk: break
        report_data.write(chunk.decode() if sys.version_info[0] == 3
                          and getattr(report_data, 'mode', 'w') == 'w' else chunk)
      print(report_data.getvalue())
    finally:
      report_data.close()
      stream_data.close()
  
  
  if __name__ == '__main__':
    # Initialize client object.
    adwords_client = adwords.AdWordsClient.LoadFromStorage()
  
    main(adwords_client)
  