gmail.py 文件源码

def _get_credentials(self):
        """Get OAuth credentials

        :return: OAuth credentials
        :rtype: :class:`oauth2client.client.Credentials`
        """
        credential_dir = join(self.var_dir, 'cached_oauth_credentials')
        if not exists(credential_dir):
            makedirs(credential_dir)
        credential_path = join(credential_dir, 'googleapis.json')

        store = Storage(credential_path)
        credentials = store.get()
        if not credentials or credentials.invalid:
            flow = client.flow_from_clientsecrets(self.config['creds'],
                                                  self.config['scope'])
            flow.user_agent = 'Iris Gmail Integration'
            credentials = tools.run_flow(
                flow,
                store,
                tools.argparser.parse_args(args=['--noauth_local_webserver']))
            logger.info('Storing credentials to %s', credential_path)
        else:
            credentials.refresh(self.http)
        return credentials