mirror of https://github.com/python/cpython
#16440: merge with 3.2.
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a3ad8a0ce7
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@ -3343,16 +3343,22 @@ arg-n)``.
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Like function objects, bound method objects support getting arbitrary
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Like function objects, bound method objects support getting arbitrary
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attributes. However, since method attributes are actually stored on the
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attributes. However, since method attributes are actually stored on the
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underlying function object (``meth.__func__``), setting method attributes on
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underlying function object (``meth.__func__``), setting method attributes on
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bound methods is disallowed. Attempting to set a method attribute results in a
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bound methods is disallowed. Attempting to set an attribute on a method
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:exc:`TypeError` being raised. In order to set a method attribute, you need to
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results in an :exc:`AttributeError` being raised. In order to set a method
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explicitly set it on the underlying function object::
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attribute, you need to explicitly set it on the underlying function object::
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class C:
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>>> class C:
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def method(self):
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... def method(self):
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pass
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... pass
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...
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c = C()
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>>> c = C()
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c.method.__func__.whoami = 'my name is c'
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>>> c.method.whoami = 'my name is method' # can't set on the method
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Traceback (most recent call last):
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File "<stdin>", line 1, in <module>
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AttributeError: 'method' object has no attribute 'whoami'
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>>> c.method.__func__.whoami = 'my name is method'
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>>> c.method.whoami
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'my name is method'
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See :ref:`types` for more information.
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See :ref:`types` for more information.
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