def get_url_for_provider_login(self, provider):
        manager = self.manager_factory(provider)
        if not manager:
            raise BiiException()
        state_string = generate_state_string(provider)

        return manager.get_url_for_provider_login(state_string)
URL of the page where the user accepts application
dataset/ETHPy150Open biicode/bii-server/user/oauth.py/OAuthService.get_url_for_provider_login