Initial commit

env/lib/python3.10/site-packages/wagtail/snippets/apps.py

@@ -0,0 +1,28 @@
+from django.apps import AppConfig
+from django.db.models.signals import post_migrate
+from django.utils.translation import gettext_lazy as _
+
+
+class WagtailSnippetsAppConfig(AppConfig):
+    name = "wagtail.snippets"
+    label = "wagtailsnippets"
+    verbose_name = _("Wagtail snippets")
+
+    def ready(self):
+        from .models import create_extra_permissions, register_deferred_snippets
+
+        # Register all snippets for which register_snippet was called up to this point -
+        # these registrations had to be deferred as we could not guarantee that models were
+        # fully loaded at that point (but now they are).
+        register_deferred_snippets()
+
+        # Models with certain mixins, e.g. DraftStateMixin, may require extra permissions
+        # in the admin. We need to make sure these are available without having to be
+        # created manually.
+        # Django also uses post_migrate signal to create permissions for models based on
+        # the model's Meta options:
+        # https://github.com/django/django/blob/64b3c413da011f55469165256261f406a277e822/django/contrib/auth/apps.py#L19-L22
+        # However, we cannot put the extra permissions in the model mixin's Meta class,
+        # as we do not know the concrete model's name. Thus, we use our own signal handler
+        # to create the extra permissions.
+        post_migrate.connect(create_extra_permissions, sender=self)