在django中，您最喜欢的管理数据库迁移的解决方案是什么?

I quite like Rails' database migration management system. It is not 100% perfect, but it does the trick. Django does not ship with such a database migration system (yet?) but there are a number of open source projects to do just that, such as django-evolution and south for example.I quite like Rails' database migration manageme