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@knzm
Forked from podhmo/intercept.py
Created August 4, 2012 17:24
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class A(object):
fmt = "tweets %s"
def hello(self):
return "hello " + self.name
@classmethod
def tweets(cls, mes):
return cls.fmt % mes
def __init__(self, name):
self.name = name
class B(object):
fmt = "called with B: %s"
def __init__(self, name):
self.name = name
def intercept(cls, method):
def doaction(caller, *args, **kwargs):
original_type = caller.__class__
caller.__class__ = cls
v = method(caller, *args, **kwargs)
caller.__class = original_type
return v
return doaction
print A("foo").hello()
try:
print A.hello(B("bar"))
except TypeError, e:
print e
# print intercept(A, A.hello)(B("bar"))
print A.hello.im_func(B("bar"))
print "=="
print A.tweets("hey")
# B.tweets = A.__dict__["tweets"]
B.tweets = classmethod(A.tweets.im_func)
print B.tweets("bar")
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