view python/example/fireonce.py @ 833:f91b1b475dee

add silvermirror
author Jeff Hammel <k0scist@gmail.com>
date Mon, 20 Feb 2017 20:17:51 -0800
parents dbe9086643bf
children
line wrap: on
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class fireonce(object):
    def __init__(self, func):
        self.func = func
    def __call__(self, *args, **kwargs):
        if not self.func:
            return None
        retval = self.func(*args, **kwargs)
        self.func = None

@fireonce
def foo(x):
    print x
    
foo('bar')
foo('fleem') # not printed