class Version(object): """ simple version number made of a series of positive integers separated by dots distutils.version.StrictVersion : not good because versions such as 3.2.0.4 are not allowed (StrictVersion allows no more than 3 numbers) 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) """ def __init__(self, version_as_string): """ :param str version_as_string: eg '6.2u5' or '8.1.9' """ self.numbers = [int(s) for s in version_as_string.replace('u', '.').split('.')] def get_number(self, index): if index >= len(self.numbers): return 0 else: return self.numbers[index] def __eq__(self, other): for i in range(max(len(self.numbers), len(other.numbers))): if self.get_number(i) != other.get_number(i): return False return True def __gt__(self, other): for i in range(max(len(self.numbers), len(other.numbers))): if self.get_number(i) < other.get_number(i): return False if self.get_number(i) > other.get_number(i): return True # if numbers ar equal continue to next version number return False # numbers are equal def __str__(self): return '.'.join([str(n) for n in self.numbers])