soundcloud.py 文件源码

def auth_url(self):
        """Return redirect url"""
        state = None
        if self.STATE_PARAMETER or self.REDIRECT_STATE:
            # Store state in session for further request validation. The state
            # value is passed as state parameter (as specified in OAuth2 spec),
            # but also added to redirect_uri, that way we can still verify the
            # request if the provider doesn't implement the state parameter.
            # Reuse token if any.
            name = self.name + '_state'
            state = self.strategy.session_get(name) or self.state_token()
            self.strategy.session_set(name, state)

        params = self.auth_params(state)
        params.update(self.get_scope_argument())
        params.update(self.auth_extra_arguments())
        return self.AUTHORIZATION_URL + '?' + urlencode(params)