47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
class Version(object):
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"""
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simple version number made of a series of positive integers separated by dots
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distutils.version.StrictVersion : not good because versions such as 3.2.0.4 are not allowed (StrictVersion allows no more than 3 numbers)
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distutils.version.LooseVersion : not good because the version string could be anything (https://stackoverflow.com/questions/11887762/how-do-i-compare-version-numbers-in-python)
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"""
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def __init__(self, version_as_string):
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"""
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:param str version_as_string: eg '6.2u5' or '8.1.9'
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"""
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self.numbers = [int(s) for s in version_as_string.replace('u', '.').split('.')]
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def get_number(self, index):
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if index >= len(self.numbers):
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return 0
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else:
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return self.numbers[index]
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def __eq__(self, other):
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for i in range(max(len(self.numbers), len(other.numbers))):
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if self.get_number(i) != other.get_number(i):
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return False
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return True
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def __lt__(self, other):
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return other.__gt__(self)
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def __gt__(self, other):
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for i in range(max(len(self.numbers), len(other.numbers))):
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if self.get_number(i) < other.get_number(i):
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return False
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if self.get_number(i) > other.get_number(i):
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return True
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# if numbers ar equal continue to next version number
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return False # numbers are equal
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def __ge__(self, other):
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return self.__gt__(other) or self.__eq__(other)
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def __le__(self, other):
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return self.__lt__(other) or self.__eq__(other)
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def __str__(self):
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return '.'.join([str(n) for n in self.numbers])
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