def _SetupLoad(self):

    if len(self.args) != 1 and not self.options.url:
      self.parser.error('Expected either --url or a single <directory> '
                        'argument.')

    if len(self.args) == 1:
      self.basepath = self.args[0]
      appyaml = self._ParseAppInfoFromYaml(self.basepath)

      self.options.app_id = appyaml.application

      if not self.options.url:
        url = self.InferRemoteApiUrl(appyaml)
        if url is not None:
          self.options.url = url

    self._CheckRequiredLoadOptions()

    if self.options.batch_size < 1:
      self.parser.error('batch_size must be 1 or larger.')



    if verbosity == 1:
      logging.getLogger().setLevel(logging.INFO)
      self.options.debug = False
    else:
      logging.getLogger().setLevel(logging.DEBUG)
      self.options.debug = True
Performs common verification and set up for upload and download.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/tools/appcfg.py/AppCfgApp._SetupLoad