/usr/share/pyshared/peak/util/extremes.py is in python-peak.util 20110909-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | """Production-quality "Min" and "Max" objects (adapted from PEP 326)"""
__all__ = ['Min', 'Max', 'Extreme']
class Extreme(object): # Courtesy of PEP 326
def __init__(self, cmpr, rep):
object.__init__(self)
self._cmpr = cmpr
self._rep = rep
def __cmp__(self, other):
if isinstance(other, self.__class__):
return cmp(self._cmpr, other._cmpr)
return self._cmpr
def __repr__(self):
return self._rep
def __lt__(self,other):
return self.__cmp__(other)<0
def __le__(self,other):
return self.__cmp__(other)<=0
def __gt__(self,other):
return self.__cmp__(other)>0
def __eq__(self,other):
return self.__cmp__(other)==0
def __ge__(self,other):
return self.__cmp__(other)>=0
def __ne__(self,other):
return self.__cmp__(other)<>0
Max = Extreme(1, "Max")
Min = Extreme(-1, "Min")
def additional_tests():
import doctest
return doctest.DocFileSuite(
'README.txt', package='__main__',
optionflags=doctest.ELLIPSIS|doctest.NORMALIZE_WHITESPACE,
)
|