65 lines
1.5 KiB
Python
65 lines
1.5 KiB
Python
''' Classes which match ranges, sets, or anything at all. '''
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import dummy # provides storage functions as well as a few others
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class BetwVal(dummy.Dummy):
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'''
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Matches any object greater than smaller and less than larger
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'''
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def __init__(self, first, second):
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if first <= second:
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dummy.Dummy.__init__(self, [first, second])
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else:
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dummy.Dummy.__init__(self, [second, first])
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def __getinitargs__(self):
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return (self._base[0], self._base[1])
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def __cmp__(self, object):
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'''The Guts of the Class, allows standard comparison operators'''
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if self._base[0]<=object:
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if self._base[1] >=object:
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return 0
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else: return 1
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else: return -1
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def __repr__(self):
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return '%s(%s,%s)'% (self.__class__.__name__,`self._base[0]`,`self._base[1]`)
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class WInVal(dummy.Dummy):
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'''
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Matches any value in the sequential object used as initialiser
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Doesn't gracefully handle situations where not found, as it just
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returns a -1
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'''
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def __init__(self,seq):
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self._base = seq
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def __cmp__(self, object):
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''' Standard comparison operators '''
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for x in self._base:
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if x == object:
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return 0
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return -1
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def __repr__(self):
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return '%s(%s)'% (self.__class__.__name__,`self._base`)
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class ExceptVal(WInVal):
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'''
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A negative Version of WInVal
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'''
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def __cmp__(self, object):
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for x in self._base:
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if x == object:
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return -1
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return 0
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class AnyVal:
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'''
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Matches anything at all
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'''
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def __init__(self):
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pass
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def __getinitargs__(self):
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return ()
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def __cmp__(self, object):
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return 0
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def __repr__(self):
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return 'AnyVal()'
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