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__doc__ = u"""
>>> class Test(object):
... def __init__(self, i):
... self.i = i
>>> b = Test(1)
>>> b.spam = Test(2)
>>> b.spam.eggs = Test(3)
>>> b.spam.eggs.spam = Test(4)
>>> b.spam.eggs.spam.eggs = Test(5)
>>> a = f(b)
>>> a.i
2
>>> b.i
1
>>> a.spam.i
1
>>> b.spam.i
2
>>> a.spam.eggs.i
Traceback (most recent call last):
AttributeError: 'Test' object has no attribute 'eggs'
>>> b.spam.eggs.i
3
>>> a.spam.spam.i
2
>>> b.spam.spam.i
1
>>> a.spam.eggs.spam.i
Traceback (most recent call last):
AttributeError: 'Test' object has no attribute 'eggs'
>>> b.spam.eggs.spam.i
4
>>> a = g(b)
>>> a.i
3
>>> b.i
1
>>> a.spam.i
4
>>> b.spam.i
2
>>> a.spam.eggs.i
1
>>> b.spam.eggs.i
3
>>> a.spam.spam.i
Traceback (most recent call last):
AttributeError: 'Test' object has no attribute 'spam'
>>> b.spam.spam.i
1
>>> a.spam.eggs.spam.i
2
>>> b.spam.eggs.spam.i
4
"""
def f(b):
a = b.spam
a.spam = b
return a
def g(b):
a = b.spam.eggs
a.spam.eggs = b
return a
|
