71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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from django.db import migrations
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def create_superadmin_group(apps, schema_editor):
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"""
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Migrates the groups to create an admin group with all permissions
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granted. Replaces the delegate group to get pk=2.
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- Create new delegate group. Move users and permissions to it.
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- Rename the old delegate group to Admin and remove all permissions.
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- If a group with the name 'Admin' (probably with pk = 4) exists, move all
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users from it to the new superadmin group and delete it. If not, check for
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the staff group and assign all users to the superadmin group.
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"""
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Group = apps.get_model('users', 'Group')
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# If no groups exists at all, skip this migration
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if Group.objects.count() == 0:
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return
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# Get the new superadmin group (or the old delegates)
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superadmin, created_superadmin_group = Group.objects.get_or_create(pk=2, defaults={'name': '__temp__'})
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if not created_superadmin_group:
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new_delegate = Group.objects.create(name='Delegates2')
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new_delegate.permissions.set(superadmin.permissions.all())
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superadmin.permissions.set([])
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for user in superadmin.user_set.all():
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user.groups.add(new_delegate)
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user.groups.remove(superadmin)
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finished_moving_users = False
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try:
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admin = Group.objects.get(name='Admin')
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for user in admin.user_set.all():
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user.groups.add(superadmin)
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user.groups.remove(admin)
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admin.delete(skip_autoupdate=True)
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finished_moving_users = True
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except Group.DoesNotExist:
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pass
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if not finished_moving_users:
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try:
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staff = Group.objects.get(name='Staff')
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for user in staff.user_set.all():
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user.groups.add(superadmin)
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except Group.DoesNotExist:
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pass
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superadmin.name = 'Admin'
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superadmin.save(skip_autoupdate=True)
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if not created_superadmin_group:
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new_delegate.name = 'Delegates'
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new_delegate.save(skip_autoupdate=True)
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class Migration(migrations.Migration):
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dependencies = [
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('users', '0006_user_email'),
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]
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operations = [
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migrations.RunPython(create_superadmin_group),
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]
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