Revert c894d35 --- Fuck django-guardian

This reverts commit c894d35932.

event/migrations/0003_auto_20170919_0845.py

@@ -1,35 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.4 on 2017-09-19 08:45
-from __future__ import unicode_literals
-
-from django.db import migrations
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('event', '0002_auto_20170817_1221'),
-    ]
-
-    operations = [
-        migrations.AlterModelOptions(
-            name='activity',
-            options={'default_permissions': ('add', 'delete', 'change', 'view'), 'verbose_name': 'activité', 'verbose_name_plural': 'activités'},
-        ),
-        migrations.AlterModelOptions(
-            name='activitytag',
-            options={'default_permissions': ('add', 'delete', 'change', 'view'), 'verbose_name': 'tag', 'verbose_name_plural': 'tags'},
-        ),
-        migrations.AlterModelOptions(
-            name='activitytemplate',
-            options={'default_permissions': ('add', 'delete', 'change', 'view'), 'verbose_name': 'template activité', 'verbose_name_plural': 'templates activité'},
-        ),
-        migrations.AlterModelOptions(
-            name='event',
-            options={'default_permissions': ('add', 'delete', 'change', 'view'), 'verbose_name': 'évènement', 'verbose_name_plural': 'évènements'},
-        ),
-        migrations.AlterModelOptions(
-            name='place',
-            options={'default_permissions': ('add', 'delete', 'change', 'view'), 'verbose_name': 'lieu', 'verbose_name_plural': 'lieux'},
-        ),
-    ]

event/models.py

@@ -47,7 +47,6 @@ class Event(SubscriptionMixin, models.Model):
     class Meta:
         verbose_name = _("évènement")
         verbose_name_plural = _("évènements")
-        default_permissions = ('add', 'delete', 'change', 'view')
 
     def __str__(self):
         return self.title
@@ -87,7 +86,6 @@ class Place(EventSpecificMixin, models.Model):
     class Meta:
         verbose_name = _("lieu")
         verbose_name_plural = _("lieux")
-        default_permissions = ('add', 'delete', 'change', 'view')
 
     def __str__(self):
         return self.name
@@ -115,7 +113,6 @@ class ActivityTag(EventSpecificMixin, models.Model):
     class Meta:
         verbose_name = _("tag")
         verbose_name_plural = _("tags")
-        default_permissions = ('add', 'delete', 'change', 'view')
 
     def __str__(self):
         return self.name
@@ -181,7 +178,6 @@ class ActivityTemplate(AbstractActivityTemplate):
     class Meta:
         verbose_name = _("template activité")
         verbose_name_plural = _("templates activité")
-        default_permissions = ('add', 'delete', 'change', 'view')
 
     def __str__(self):
         return self.title
@@ -229,7 +225,6 @@ class Activity(AbstractActivityTemplate):
     class Meta:
         verbose_name = _("activité")
         verbose_name_plural = _("activités")
-        default_permissions = ('add', 'delete', 'change', 'view')
 
     def __str__(self):
         return self.get_herited('title')

event/signals.py

@@ -1,5 +1,5 @@
 from django.dispatch import receiver
-from django.db.models.signals import post_save
+from django.db.models.signals import post_save, post_migrate
 from django.apps import apps
 from django.contrib.contenttypes.models import ContentType
 from django.contrib.auth.models import Permission
@@ -16,19 +16,36 @@ def create_groups_for_event(sender, **kwargs):
             event=event
         )
 
-        # Models having event-specific permissions
-        models = [model for model in apps.get_models()
-                  if getattr(model, 'needs_event_permissions', False)]
-
-        for model in models:
-
         for perm in Permission.objects.filter(
-                content_type=ContentType.objects.get_for_model(model)
+                content_type=ContentType.objects.get_for_model(Event),
-            ):
+                codename__contains="event_"):
-                print(perm.codename)
             assign_perm(perm.codename, orgas, event)
 
         EventGroup.objects.create(
             name="{}_participants".format(event.slug),
             event=event,
         )
+
+
+@receiver(post_migrate)
+def create_event_permissions(sender, **kwargs):
+
+    def event_specific_permissions():
+        opes = ['Add', 'Change', 'Delete']
+        models = [model.__name__.lower() for model in apps.get_models()
+                  if getattr(model, 'needs_event_permissions', False)]
+
+        return [
+            ('event_{}_{}'.format(op.lower(), model),
+                '{} {} for event'.format(op, model))
+            for op in opes
+            for model in models
+        ]
+
+    content_type = ContentType.objects.get_for_model(Event)
+    for (code, verbose) in event_specific_permissions():
+        Permission.objects.get_or_create(
+            name=verbose,
+            content_type=content_type,
+            codename=code
+        )

event/tests.py

@@ -160,6 +160,10 @@ class ActivityTagColorTest(TestCase):
 class EventPermissionTest(TestCase):
     @classmethod
     def setUpTestData(cls):
+        cls.user_perm = User.objects.create(username="userperm")
+        cls.user_noperm = User.objects.create(username="usernoperm")
+        cls.user_groupperm = User.objects.create(username="usergroupperm")
+        cls.user_groupnoperm = User.objects.create(username="usergroupnoperm")
         cls.root = User.objects.create_superuser(
             username="root",
             email="toto@toto.io",
@@ -174,21 +178,6 @@ class EventPermissionTest(TestCase):
             ending_date=timezone.now() + timedelta(days=1),
         )
 
-        models = [model for model in apps.get_models()
-                  if getattr(model, 'needs_event_permissions', False)]
-
-        cls.perms = []
-        for model in models:
-
-            for perm in Permission.objects.filter(
-                content_type=ContentType.objects.get_for_model(model)
-            ):
-                cls.perms.append(perm.codename)
-
-        def setUp(self):
-            self.user_perm = User.objects.create(username="userperm")
-            self.user_noperm = User.objects.create(username="usernoperm")
-
     def test_event_groups(self):
         groups = EventGroup.objects.filter(
             event=self.event
@@ -196,18 +185,20 @@ class EventPermissionTest(TestCase):
         self.assertEqual(groups.count(), 2)
 
     def test_individual_perms(self):
-        for perm in self.perms:
+        assign_perm("event_add_place", self.user_perm, self.event)
-            assign_perm(perm, self.user_perm, self.event)
+        self.assertTrue(self.user_perm.has_perm("event_add_place", self.event))
-            self.assertTrue(self.user_perm.has_perm(perm, self.event))
+        self.assertFalse(self.user_noperm.has_perm("event_add_place",
-            self.assertFalse(self.user_noperm.has_perm(perm, self.event))
+                                                   self.event))
 
     def test_group_perms(self):
         orgas = EventGroup.objects.get(
             name="{}_orgas".format(self.event.slug),
         )
         self.user_groupperm.groups.add(orgas)
-        for perm in self.perms:
+        for perm in Permission.objects.filter(
-            self.assertTrue(self.user_perm.has_perm(perm,
+                content_type=ContentType.objects.get_for_model(Event),
+                codename__contains="event_"):
+            self.assertTrue(self.user_groupperm.has_perm(perm.codename,
                                                          self.event))
-            self.assertFalse(self.user_noperm.has_perm(perm,
+            self.assertFalse(self.user_groupnoperm.has_perm(perm.codename,
                                                             self.event))