kopia lustrzana https://github.com/wagtail/wagtail
![]() If a developer wanted to have a site-wide base page class, and also have some pages be `RoutablePage`s, a conflict between the automatically generated `page_ptr` fields would occur. ```python from wagtail.wagtailcore.models import Page from wagtail.contrib.wagtailroutablepage.models import RoutablePage class SitePageBase(Page): # common functionality is_abstract = True class Meta: abstract = True class MyPage(RoutablePage, SitePageBase): # This model is invalid pass ``` `RoutablePage` has been changed to be a mixin `RoutablePageMixin`. Page classes can use this to gain the `RoutablePage` functionality while still retaining the ability to subclass other models. A `RoutablePage` class that derives from both `RoutablePageMixin` and `Page` has been left in for backwards compatibility, so old code will continue to function without any modifications. |
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