Python:多个属性,一个 setter/getter [英] Python: multiple properties, one setter/getter
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问题描述
考虑以下类定义
class of2010(object):
def __init__(self):
self._a = 1
self._b = 2
self._c = 3
def set_a(self,value):
print('setting a...')
self._a = value
def set_b(self,value):
print('setting b...')
self._b = value
def set_c(self,value):
print('setting c...')
self._c = value
a = property(fset=self.set_a)
b = property(fset=self.set_b)
c = property(fset=self.set_c)
注意 set_[a|b|c]()
做同样的事情.有没有办法定义:
note that set_[a|b|c]()
do the same thing. is there a way do define:
def set_magic(self,value):
print('setting <???>...')
self._??? = value
一次并将其用于 a,b,c 如下
once and use it for a,b,c as follows
a = property(fset=self.set_magic)
b = property(fset=self.set_magic)
c = property(fset=self.set_magic)
推荐答案
def attrsetter(attr):
def set_any(self, value):
setattr(self, attr, value)
return set_any
a = property(fset=attrsetter('_a'))
b = property(fset=attrsetter('_b'))
c = property(fset=attrsetter('_c'))
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