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Create a squashed migration for wagtailimages (#4917)
* Create a squashed migration for wagtailimages * Remove unneeded image updates As this is the initial migration, there won't be any images. Not in Wagtail's or a customised image model. * Move RunPython blocks to the end of the migration They can all be run on the latest schema without changes. This allows the schema changes to be squashed. * Simplify migration
This commit is contained in:
Karl Hobley
Matt Westcott
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1 changed files with 159 additions and 0 deletions
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wagtail/images/migrations/0001_squashed_0021.py
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159
wagtail/images/migrations/0001_squashed_0021.py
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# Generated by Django 2.1.3 on 2018-11-20 22:22
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from django.conf import settings
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from django.db import migrations, models
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import django.db.models.deletion
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import taggit.managers
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import wagtail.core.models
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import wagtail.images.models
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import wagtail.search.index
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# Functions from wagtail.images.migrations.0002_initial_data
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def add_image_permissions_to_admin_groups(apps, schema_editor):
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ContentType = apps.get_model('contenttypes.ContentType')
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Permission = apps.get_model('auth.Permission')
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Group = apps.get_model('auth.Group')
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# Get image permissions
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image_content_type, _created = ContentType.objects.get_or_create(
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model='image',
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app_label='wagtailimages'
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)
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add_image_permission, _created = Permission.objects.get_or_create(
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content_type=image_content_type,
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codename='add_image',
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defaults={'name': 'Can add image'}
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)
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change_image_permission, _created = Permission.objects.get_or_create(
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content_type=image_content_type,
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codename='change_image',
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defaults={'name': 'Can change image'}
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)
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delete_image_permission, _created = Permission.objects.get_or_create(
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content_type=image_content_type,
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codename='delete_image',
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defaults={'name': 'Can delete image'}
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)
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# Assign it to Editors and Moderators groups
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for group in Group.objects.filter(name__in=['Editors', 'Moderators']):
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group.permissions.add(add_image_permission, change_image_permission, delete_image_permission)
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def remove_image_permissions(apps, schema_editor):
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"""Reverse the above additions of permissions."""
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ContentType = apps.get_model('contenttypes.ContentType')
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Permission = apps.get_model('auth.Permission')
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image_content_type = ContentType.objects.get(
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model='image',
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app_label='wagtailimages',
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)
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# This cascades to Group
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Permission.objects.filter(
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content_type=image_content_type,
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codename__in=('add_image', 'change_image', 'delete_image')
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).delete()
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# Functions from wagtail.images.migrations.0012_copy_image_permissions_to_collections
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def get_image_permissions(apps):
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# return a queryset of the 'add_image' and 'change_image' permissions
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Permission = apps.get_model('auth.Permission')
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ContentType = apps.get_model('contenttypes.ContentType')
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image_content_type, _created = ContentType.objects.get_or_create(
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model='image',
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app_label='wagtailimages',
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)
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return Permission.objects.filter(
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content_type=image_content_type,
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codename__in=['add_image', 'change_image']
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)
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def copy_image_permissions_to_collections(apps, schema_editor):
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Collection = apps.get_model('wagtailcore.Collection')
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Group = apps.get_model('auth.Group')
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GroupCollectionPermission = apps.get_model('wagtailcore.GroupCollectionPermission')
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root_collection = Collection.objects.get(depth=1)
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for permission in get_image_permissions(apps):
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for group in Group.objects.filter(permissions=permission):
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GroupCollectionPermission.objects.create(
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group=group,
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collection=root_collection,
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permission=permission
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)
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def remove_image_permissions_from_collections(apps, schema_editor):
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GroupCollectionPermission = apps.get_model('wagtailcore.GroupCollectionPermission')
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image_permissions = get_image_permissions(apps)
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GroupCollectionPermission.objects.filter(permission__in=image_permissions).delete()
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class Migration(migrations.Migration):
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replaces = [('wagtailimages', '0001_initial'), ('wagtailimages', '0002_initial_data'), ('wagtailimages', '0003_fix_focal_point_fields'), ('wagtailimages', '0004_make_focal_point_key_not_nullable'), ('wagtailimages', '0005_make_filter_spec_unique'), ('wagtailimages', '0006_add_verbose_names'), ('wagtailimages', '0007_image_file_size'), ('wagtailimages', '0008_image_created_at_index'), ('wagtailimages', '0009_capitalizeverbose'), ('wagtailimages', '0010_change_on_delete_behaviour'), ('wagtailimages', '0011_image_collection'), ('wagtailimages', '0012_copy_image_permissions_to_collections'), ('wagtailimages', '0013_make_rendition_upload_callable'), ('wagtailimages', '0014_add_filter_spec_field'), ('wagtailimages', '0015_fill_filter_spec_field'), ('wagtailimages', '0016_deprecate_rendition_filter_relation'), ('wagtailimages', '0017_reduce_focal_point_key_max_length'), ('wagtailimages', '0018_remove_rendition_filter'), ('wagtailimages', '0019_delete_filter'), ('wagtailimages', '0020_add-verbose-name'), ('wagtailimages', '0021_image_file_hash')]
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dependencies = [
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migrations.swappable_dependency(settings.AUTH_USER_MODEL),
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('wagtailcore', '0002_initial_data'),
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('taggit', '0001_initial'),
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('wagtailcore', '0026_group_collection_permission'),
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]
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operations = [
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migrations.CreateModel(
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name='Image',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('title', models.CharField(max_length=255, verbose_name='title')),
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('file', models.ImageField(height_field='height', upload_to=wagtail.images.models.get_upload_to, verbose_name='file', width_field='width')),
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('width', models.IntegerField(editable=False, verbose_name='width')),
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('height', models.IntegerField(editable=False, verbose_name='height')),
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('created_at', models.DateTimeField(auto_now_add=True, db_index=True, verbose_name='created at')),
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('focal_point_x', models.PositiveIntegerField(blank=True, null=True)),
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('focal_point_y', models.PositiveIntegerField(blank=True, null=True)),
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('focal_point_width', models.PositiveIntegerField(blank=True, null=True)),
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('focal_point_height', models.PositiveIntegerField(blank=True, null=True)),
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('tags', taggit.managers.TaggableManager(blank=True, help_text=None, through='taggit.TaggedItem', to='taggit.Tag', verbose_name='tags')),
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('uploaded_by_user', models.ForeignKey(blank=True, editable=False, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL, verbose_name='uploaded by user')),
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('file_size', models.PositiveIntegerField(editable=False, null=True)),
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('collection', models.ForeignKey(default=wagtail.core.models.get_root_collection_id, on_delete=django.db.models.deletion.CASCADE, related_name='+', to='wagtailcore.Collection', verbose_name='collection')),
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('file_hash', models.CharField(blank=True, editable=False, max_length=40)),
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],
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options={
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'abstract': False,
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'verbose_name': 'image',
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'verbose_name_plural': 'images',
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},
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bases=(models.Model, wagtail.search.index.Indexed),
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),
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migrations.CreateModel(
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name='Rendition',
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fields=[
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('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
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('file', models.ImageField(height_field='height', upload_to=wagtail.images.models.get_rendition_upload_to, width_field='width')),
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('width', models.IntegerField(editable=False)),
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('height', models.IntegerField(editable=False)),
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('focal_point_key', models.CharField(blank=True, default='', editable=False, max_length=16)),
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('filter_spec', models.CharField(db_index=True, max_length=255)),
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('image', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='renditions', to='wagtailimages.Image')),
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],
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),
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migrations.AlterUniqueTogether(
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name='rendition',
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unique_together={('image', 'filter_spec', 'focal_point_key')},
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),
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migrations.RunPython(add_image_permissions_to_admin_groups, remove_image_permissions),
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migrations.RunPython(copy_image_permissions_to_collections, remove_image_permissions_from_collections),
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]
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