60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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# Generated by Django 1.10.8 on 2018-01-30 13:00
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from __future__ import unicode_literals
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from django.contrib.auth.models import Permission
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from django.db import migrations
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def delete_old_logo_permission(apps, schema_editor):
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"""
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Deletes the old 'can_manage_logo' permission which is replaced with
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'can_manage_logos_and_fonts'. If this is a fresh database, no permission
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will be deleted, in fact the old permission does not exist. Django creates
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the permission after all migration and the old one is not generated.
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If this is an old database, the new permission will be created and the old
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one deleted. Also it will be assigned to the groups, which had the old permission.
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"""
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perm = Permission.objects.filter(codename="can_manage_logos")
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if len(perm):
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perm = perm.get()
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# Save content_type for manual creation of new permissions.
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content_type = perm.content_type
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# Save groups. list() is necessary to evaluate the database query right now.
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groups = list(perm.group_set.all())
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# Delete permission
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perm.delete()
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# Create new permission
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perm = Permission.objects.create(
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codename="can_manage_logos_and_fonts",
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name="Can manage logos and fonts",
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content_type=content_type,
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)
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for group in groups:
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group.permissions.add(perm)
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group.save()
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class Migration(migrations.Migration):
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dependencies = [("core", "0006_auto_20180123_0903")]
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operations = [
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migrations.AlterModelOptions(
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name="configstore",
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options={
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"default_permissions": (),
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"permissions": (
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("can_manage_config", "Can manage configuration"),
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("can_manage_logos_and_fonts", "Can manage logos and fonts"),
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),
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},
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),
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migrations.RunPython(delete_old_logo_permission),
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]
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