auth.py 文件源码

def refresh_token(self):
        """
        Refresh token regardless of when it expires.

        Raises HTTPError on any non 2xx response code
        """
        refresh_token = self._token['refresh_token']        
        params = {
            'refresh_token': refresh_token,
            'grant_type': 'refresh_token'
        }
        auth = HTTPBasicAuth(self.client_id, self.client_secret)

        response = self.session.post(self.TOKEN_URL, data=params, auth=auth)
        response.raise_for_status()
        token = response.json()
        token['expires_at'] = int(time.time()) + token['expires_in']
        if 'refresh_token' not in token:
            token['refresh_token'] = refresh_token
        self.token = token