我正在尝试使用django 1.7本机迁移系统实现数据迁移.这就是我所做的.
# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import migrations
def create_basic_user_group(apps, schema_editor):
"""Forward data migration that create the basic_user group
"""
Group = apps.get_model('auth', 'Group')
Permission = apps.get_model('auth', 'Permission')
group = Group(name='basic_user')
group.save()
perm_codenames = (
'add_stuff',
'...',
)
# we prefere looping over all these in order to be sure to fetch them all
perms = [Permission.objects.get(codename=codename)
for codename in perm_codenames]
group.permissions.add(*perms)
group.save()
def remove_basic_user_group(apps, schema_editor):
"""Backward data migration that remove the basic_user …