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annotate python/example/fireonce.py @ 924:fc88a12acf48 default tip
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author | Jeff Hammel <k0scist@gmail.com> |
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date | Wed, 04 Dec 2024 15:50:53 -0800 |
parents | dbe9086643bf |
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add fireonce decorator example
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1 class fireonce(object): |
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2 def __init__(self, func): |
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3 self.func = func |
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4 def __call__(self, *args, **kwargs): |
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5 if not self.func: |
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6 return None |
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7 retval = self.func(*args, **kwargs) |
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8 self.func = None |
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9 |
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10 @fireonce |
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11 def foo(x): |
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12 print x |
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13 |
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14 foo('bar') |
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15 foo('fleem') # not printed |