code: def get_auth_info():
      
      env_username = os.environ.get('JOTTACLOUD_USERNAME')
      env_password = os.environ.get('JOTTACLOUD_PASSWORD')
      netrc_auth = None
      try:
          netrc_file = netrc.netrc()
          netrc_auth = netrc_file.authenticators('jottacloud.com')
      except IOError:
          # .netrc file doesn't exist
          pass
      netrc_username = None
      netrc_password = None
      if netrc_auth:
          netrc_username, _, netrc_password = netrc_auth
      username = env_username or netrc_username
      password = env_password or netrc_password
      if not (username and password):
          raise JFSError('Could not find username and password in either env or ~/.netrc, '
              'you need to add one of these to use these tools')
      return (username, password)
docs: Get authentication details to jottacloud.
  
      Will first check environment variables, then the .netrc file.