所以,我正在使用Python 2.6中的装饰器,我在使它们工作时遇到了一些麻烦.这是我的班级文件:
class testDec:
@property
def x(self):
print 'called getter'
return self._x
@x.setter
def x(self, value):
print 'called setter'
self._x = value
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我认为这意味着x像对待财产一样,但是在get和set上调用这些函数.所以,我解雇了IDLE并检查了它:
>>> from testDec import testDec
from testDec import testDec
>>> t = testDec()
t = testDec()
>>> t.x
t.x
called getter
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "testDec.py", line 18, in x
return self._x
AttributeError: testDec instance has no attribute '_x'
>>> t.x = 5
t.x = 5
>>> …Run Code Online (Sandbox Code Playgroud)