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"Some utility methods" |
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2
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3
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4
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class ClassOperationResult(object): |
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""" |
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6
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Result of Class Operation |
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7
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""" |
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8
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def __init__(self, operation, cls1, cls2): |
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""" |
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10
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""" |
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self.cls1 = cls1 |
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self.cls2 = cls2 |
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self._operation = operation |
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14
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15
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def __getattr__(self, attr): |
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attr1 = getattr(self.cls1, attr) |
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attr2 = getattr(self.cls2, attr) |
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19
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try: |
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return getattr(attr1, self._operation)(attr2) |
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except AttributeError: |
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return (lambda *args, **kwargs: |
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getattr(attr1(*args), self._operation)(attr2(*args))) |
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26
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27
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class ClassOperation(object): |
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""" |
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Define arithmetic operation on Class |
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""" |
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def __add__(self, other): |
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return ClassOperationResult('__add__', self, other) |
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34
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def __sub__(self, other): |
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return ClassOperationResult('__sub__', self, other) |
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36
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37
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def __mul__(self, other): |
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return ClassOperationResult('__mul__', self, other) |
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40
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def __gt__(self, other): |
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return ClassOperationResult('__gt__', self, other) |
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benbaror /
ne2001
