python 內部類

class Group(models.Model):
   
    name = models.CharField(_('name'), max_length=80, unique=True)
    permissions = models.ManyToManyField(
        Permission,
        verbose_name=_('permissions'),
        blank=True,
    )

    objects = GroupManager()

    class Meta:
        verbose_name = _('group')
        verbose_name_plural = _('groups')

    def __str__(self):
        return self.name

    def natural_key(self):
        return (self.name,)

# -*- coding:utf-8 -*-
__author__ = 'webber'
"""
2016.11.25
在看Django的源碼django.contrib.auth.models時，發現了一個類內嵌套了一個類，問了下師兄這叫內部類，
下面是個例子，簡單記錄下
"""

class parent:

    def __init__(self):
        self.name = "parent"

    def getName(self):
        print self.name

    class child:

        def __init__(self):
            self.name = "child"

        def getName(self):
            print self.name

if __name__ == "__main__":
    # child = parent.child()
    # child.getName()

    p = parent()
    p.getName()

    print "================="
    c = p.child()
    c.getName()