änderung1

2019-10-29 14:29:36 +01:00
1 parent cc1d096bc3
commit cbdda613b7
@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='permission',
+            name='name',
+            field=models.CharField(max_length=255, verbose_name='name'),
+        ),
+    ]
@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0004_alter_user_username_opts'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='last_login',
+            field=models.DateTimeField(null=True, verbose_name='last login', blank=True),
+        ),
+    ]
@@ -0,0 +1,14 @@
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0005_alter_user_last_login_null'),
+        ('contenttypes', '0002_remove_content_type_name'),
+    ]
+
+    operations = [
+        # Ensure the contenttypes migration is applied before sending
+        # post_migrate signals (which create ContentTypes).
+    ]
@@ -0,0 +1,24 @@
+from django.contrib.auth import validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0006_require_contenttypes_0002'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(
+                error_messages={'unique': 'A user with that username already exists.'},
+                help_text='Required. 30 characters or fewer. Letters, digits and @/./+/-/_ only.',
+                max_length=30,
+                unique=True,
+                validators=[validators.UnicodeUsernameValidator()],
+                verbose_name='username',
+            ),
+        ),
+    ]
@@ -0,0 +1,24 @@
+from django.contrib.auth import validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0007_alter_validators_add_error_messages'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='user',
+            name='username',
+            field=models.CharField(
+                error_messages={'unique': 'A user with that username already exists.'},
+                help_text='Required. 150 characters or fewer. Letters, digits and @/./+/-/_ only.',
+                max_length=150,
+                unique=True,
+                validators=[validators.UnicodeUsernameValidator()],
+                verbose_name='username',
+            ),
+        ),
+    ]
@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('auth', '0009_alter_user_last_name_max_length'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='group',
+            name='name',
+            field=models.CharField(max_length=150, unique=True, verbose_name='name'),
+        ),
+    ]
@@ -0,0 +1,68 @@
+import sys
+
+from django.core.management.color import color_style
+from django.db import migrations, transaction
+from django.db.models import Q
+from django.db.utils import IntegrityError
+
+WARNING = """
+    A problem arose migrating proxy model permissions for {old} to {new}.
+
+      Permission(s) for {new} already existed.
+      Codenames Q: {query}
+
+    Ensure to audit ALL permissions for {old} and {new}.
+"""
+
+
+def update_proxy_model_permissions(apps, schema_editor, reverse=False):
+    """
+    Update the content_type of proxy model permissions to use the ContentType
+    of the proxy model.
+    """
+    style = color_style()
+    Permission = apps.get_model('auth', 'Permission')
+    ContentType = apps.get_model('contenttypes', 'ContentType')
+    for Model in apps.get_models():
+        opts = Model._meta
+        if not opts.proxy:
+            continue
+        proxy_default_permissions_codenames = [
+            '%s_%s' % (action, opts.model_name)
+            for action in opts.default_permissions
+        ]
+        permissions_query = Q(codename__in=proxy_default_permissions_codenames)
+        for codename, name in opts.permissions:
+            permissions_query = permissions_query | Q(codename=codename, name=name)
+        concrete_content_type = ContentType.objects.get_for_model(Model, for_concrete_model=True)
+        proxy_content_type = ContentType.objects.get_for_model(Model, for_concrete_model=False)
+        old_content_type = proxy_content_type if reverse else concrete_content_type
+        new_content_type = concrete_content_type if reverse else proxy_content_type
+        try:
+            with transaction.atomic():
+                Permission.objects.filter(
+                    permissions_query,
+                    content_type=old_content_type,
+                ).update(content_type=new_content_type)
+        except IntegrityError:
+            old = '{}_{}'.format(old_content_type.app_label, old_content_type.model)
+            new = '{}_{}'.format(new_content_type.app_label, new_content_type.model)
+            sys.stdout.write(style.WARNING(WARNING.format(old=old, new=new, query=permissions_query)))
+
+
+def revert_proxy_model_permissions(apps, schema_editor):
+    """
+    Update the content_type of proxy model permissions to use the ContentType
+    of the concrete model.
+    """
+    update_proxy_model_permissions(apps, schema_editor, reverse=True)
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('auth', '0010_alter_group_name_max_length'),
+        ('contenttypes', '0002_remove_content_type_name'),
+    ]
+    operations = [
+        migrations.RunPython(update_proxy_model_permissions, revert_proxy_model_permissions),
+    ]