text: #!/usr/bin/python
  #
  # Copyright 2014 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.
  
  """Uploads apk to rollout track with user fraction."""
  
  import argparse
  import sys
  from apiclient import sample_tools
  from oauth2client import client
  
  TRACK = 'rollout'
  USER_FRACTION = 0.2
  
  # Declare command-line flags.
  argparser = argparse.ArgumentParser(add_help=False)
  argparser.add_argument('package_name',
                         help='The package name. Example: com.android.sample')
  argparser.add_argument('apk_file',
                         nargs='?',
                         default='test.apk',
                         help='The path to the APK file to upload.')
  
  
  def main(argv):
    # Authenticate and construct service.
    service, flags = sample_tools.init(
        argv,
        'androidpublisher',
        'v3',
        __doc__,
        __file__, parents=[argparser],
        scope='https://www.googleapis.com/auth/androidpublisher')
  
    # Process flags and read their values.
    package_name = flags.package_name
    apk_file = flags.apk_file
  
    try:
      edit_request = service.edits().insert(body={}, packageName=package_name)
      result = edit_request.execute()
      edit_id = result['id']
  
      apk_response = service.edits().apks().upload(
          editId=edit_id, packageName=package_name, media_body=apk_file).execute()
  
      print 'Version code %d has been uploaded' % apk_response['versionCode']
  
      track_response = service.edits().tracks().update(
          editId=edit_id,
          track=TRACK,
          packageName=package_name,
          body={u'releases': [{
              u'name': u'My first API release',
              u'versionCodes': [str([apk_response['versionCode']])],
              u'userFraction': USER_FRACTION,
              u'status': u'inProgress',
          }]}).execute()
  
      print 'Track %s is set with releases: %s' % (
          track_response['track'], str(track_response['releases']))
  
      commit_request = service.edits().commit(
          editId=edit_id, packageName=package_name).execute()
  
      print 'Edit "%s" has been committed' % (commit_request['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)
  