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#Sekhmet:UE-Open owen$ cat anno.py #!/usr/bin/env pythondef logcalls (prefix):    def logwithprefix (function):        def logging_proxy (*args, **kwargs):            print "%s: Calling %s" % (prefix, function)            x = function (*args, **kwargs)            print "%s: Returned %s" % (prefix, x)            return x                return logging_proxy        return logwithprefix@logcalls("XXX")def foo (bar, baz):    print "In foo (bar = %s, baz = %s)" % (bar, baz)foo ("bararg", baz="bazarg")#Sekhmet:UE-Open owen$ python anno.py #XXX: Calling <function foo at 0x652b0>#In foo (bar = bararg, baz = bazarg)#XXX: Returned None