view python/example/bind.py @ 837:5ba219864529

add example program
author Jeff Hammel <k0scist@gmail.com>
date Mon, 27 Mar 2017 14:05:29 -0700
parents 4063bbeaa7d4
children
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#!/usr/bin/env python

"""
illlustrate e.g. method bind for python
"""

class Foo(object):

    @classmethod
    def create(cls):
        """create an instance and bind a method onto foo"""
        class decorator(object):
            def __init__(self, function):
                self.function = function
            def __call__(self):
                print "Bar!"
                return self.function()

        instance = cls()
        instance.foo = decorator(instance.foo)
        return instance

    def foo(self):
        print "Foo!"

if __name__ == '__main__':
    foo = Foo.create()
    foo.foo()