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annotate python/example/bind.py @ 807:26786fae0703

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this relies on a requirement that is not part of my (2.7.12) stdlib; i almost deleted it. instead, i will keep for fun and note the requirement for further research
author Jeff Hammel <k0scist@gmail.com>
date Fri, 28 Oct 2016 17:09:04 -0700
parents 4063bbeaa7d4
children
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1 #!/usr/bin/env python
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2
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3 """
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4 illlustrate e.g. method bind for python
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5 """
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6
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7 class Foo(object):
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8
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9 @classmethod
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10 def create(cls):
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11 """create an instance and bind a method onto foo"""
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12 class decorator(object):
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13 def __init__(self, function):
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14 self.function = function
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15 def __call__(self):
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16 print "Bar!"
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17 return self.function()
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18
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19 instance = cls()
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20 instance.foo = decorator(instance.foo)
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21 return instance
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22
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23 def foo(self):
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24 print "Foo!"
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25
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26 if __name__ == '__main__':
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27 foo = Foo.create()
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28 foo.foo()