def auth()

in templates/python/facebook_business/bootstrap.py [0:0]

• 26 lines of code
• 6 McCabe index (conditional complexity)

    def auth(cls):
        """
            Prepare for Ads API calls and return a tuple with act_id
            and page_id. page_id can be None but act_id is always set.
        """
        config = cls.load_config()

        if cls._is_authenticated:
            return config['act_id'], config.get('page_id', None)

        if config['app_id'] and config['app_secret'] \
           and config['act_id'] and config['access_token']:

            FacebookAdsApi.init(
                config['app_id'],
                config['app_secret'],
                config['access_token'],
                config['act_id'],
            )

            cls._is_authenticated = True

            return config['act_id'], config.get('page_id', None)

        else:
            required_fields = set(
                ('app_id', 'app_secret', 'act_id', 'access_token')
            )

            missing_fields = required_fields - set(config.keys())
            raise FacebookError(
                '\n\tFile config.json needs to have the following fields: {}\n'
                '\tMissing fields: {}\n'.format(
                    ', '.join(required_fields),
                    ', '.join(missing_fields),
                )
            )