code: def _get_logging_env(self, logging_uri, user_project):
      
      if not logging_uri.endswith('.log'):
        raise ValueError('Logging URI must end in ".log": {}'.format(logging_uri))
  
      logging_prefix = logging_uri[:-len('.log')]
      return {
          'LOGGING_PATH': '{}.log'.format(logging_prefix),
          'STDOUT_PATH': '{}-stdout.log'.format(logging_prefix),
          'STDERR_PATH': '{}-stderr.log'.format(logging_prefix),
          'USER_PROJECT': user_project,
      }
docs: Returns the environment for actions that copy logging files.