30 lines
600 B
Python
30 lines
600 B
Python
# BEGIN REGISTRATION_PARAM
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registry = set() # <1>
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def register(active=True): # <2>
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def decorate(func): # <3>
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print('running register(active=%s)->decorate(%s)'
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% (active, func))
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if active: # <4>
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registry.add(func)
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else: # <5>
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if func in registry:
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registry.remove(func)
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return func # <6>
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return decorate # <7>
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@register(active=False) # <8>
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def f1():
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print('running f1()')
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@register() # <9>
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def f2():
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print('running f2()')
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def f3():
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print('running f3()')
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# END REGISTRATION_PARAM
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