def authorized(self, request_token):
        verifier = generate_token(length=self.verifier_length[1])
        self.save_verifier(request_token, verifier)
        response = [
            (u'oauth_token', request_token),
            (u'oauth_verifier', verifier)
        ]
        callback = self.get_callback(request_token)
        return redirect(add_params_to_uri(callback, response))
Create a verifier for an user authorized client
dataset/ETHPy150Open ib-lundgren/flask-oauthprovider/flask_oauthprovider.py/OAuthProvider.authorized