我正在尝试使用Python的*args
和**kwargs
进行一些类初始化,但是我遇到了一个对象没有名为x的属性
的错误。
class APIViewActions():
def __init__(self, *args, **kwargs):
list = kwargs.get('list', False)
create = kwargs.get('create', False)
retrieve = kwargs.get('retrieve', False)
update = kwargs.get('update', False)
partial_update = kwargs.get('partial_update', False)
destroy = kwargs.get('destroy', False)
def retrieve_actions(self):
actions = {}
if self.list:
actions['get'] = 'list'
if self.create:
actions['post'] = 'create'
if self.retrieve:
actions['get'] = 'retrieve'
if self.update:
actions['patch'] = 'update'
if self.partial_update:
actions['patch'] = 'partial_update'
if self.destroy:
actions['delete'] = 'destroy'
return actions
APIViewActions = APIViewActions(delete=True)
所以,当这个被调用时:
APIViewActions.retrieve_actions()
我收到以下错误信息:
AttributeError: 'APIViewActions' 对象没有属性 'list'
当然,
self.list
应该是 False
吗?我基本上希望 APIViewActions() 调用是宽松定义的,例如可以像这样调用:
APIViewActions = APIViewActions(delete=True)
APIViewActions = APIViewActions(list=true, delete=True)
如何实现这一点?
__init__
行中缺少对实例的引用,如self.list = kwargs.get('list', False)
。 - jfaccioni