wizard.py 文件源码

def update_settings(cls, settings):
        """ Before initializing Spider Class, configure `job_idf` to spider settings """
        job_idf = settings['job_idf']
        spider_conf = cls.mongo_conf_db.get({'_id': job_idf})
        scry_settings = ExtractorConf(spider_conf).scrapy_settings

        custom_settings = cls.custom_settings or {}
        custom_settings.update(scry_settings)
        settings.setdict(custom_settings, priority='spider')