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class Descriptor:
def __get__(self, obj, cls):
print('get')
print(type(obj) is Main)
print(cls is Main)
return 'result'
def __set__(self, obj, val):
print('set')
print(type(obj) is Main)
print(val)
def __delete__(self, obj):
print('delete')
print(type(obj) is Main)
class Main:
Forward = Descriptor()
m = Main()
try:
m.__class__
except AttributeError:
print("SKIP")
raise SystemExit
r = m.Forward
if 'Descriptor' in repr(r.__class__):
print('SKIP')
raise SystemExit
print(r)
m.Forward = 'a'
del m.Forward
|
