Method load_pre_crawler_settings

scrapy/addons.py:58–72

Update early settings that do not require a crawler instance, such as SPIDER_MODULES. Similar to the load_settings method, this loads each add-on configured in the ``ADDONS`` setting and calls their 'update_pre_crawler_settings' class method if present. This method doesn't h

(cls, settings: BaseSettings)

    @classmethod
    def load_pre_crawler_settings(cls, settings: BaseSettings) -> None:
        """Update early settings that do not require a crawler instance, such as SPIDER_MODULES.

        Similar to the load_settings method, this loads each add-on configured in the
        ``ADDONS`` setting and calls their 'update_pre_crawler_settings' class method if present.
        This method doesn't have access to the crawler instance or the addons list.

        :param settings: The :class:`~scrapy.settings.BaseSettings` object from \
            which to read the early add-on configuration
        :type settings: :class:`~scrapy.settings.Settings`
        """
        for clspath in build_component_list(settings["ADDONS"]):
            addoncls = load_object(clspath)
            if hasattr(addoncls, "update_pre_crawler_settings"):
                addoncls.update_pre_crawler_settings(settings)