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# mode: run
# ticket: 593
# tag: property, decorator
my_property = property
class Prop(object):
"""
>>> p = Prop()
>>> p.prop
GETTING 'None'
>>> p.prop = 1
SETTING '1' (previously: 'None')
>>> p.prop
GETTING '1'
1
>>> p.prop = 2
SETTING '2' (previously: '1')
>>> p.prop
GETTING '2'
2
>>> del p.prop
DELETING (previously: '2')
>>> p.my_prop
GETTING 'my_prop'
389
>>> list(p.generator_prop)
[42]
"""
_value = None
@property
def prop(self):
print("GETTING '%s'" % self._value)
return self._value
@prop.setter
def prop(self, value):
print("SETTING '%s' (previously: '%s')" % (value, self._value))
self._value = value
@prop.deleter
def prop(self):
print("DELETING (previously: '%s')" % self._value)
self._value = None
@my_property
def my_prop(self):
print("GETTING 'my_prop'")
return 389
@property
def generator_prop(self):
yield 42
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