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#! /usr/bin/env python
""" Perl weekly challenge 058
https://perlweeklychallenge.org/blog/perl-weekly-challenge-058/ """
from packaging import version
def compare_versions(ver_1, ver_2):
""" Compare versions and return the result"""
v_1 = version.parse(ver_1)
v_2 = version.parse(ver_2)
if v_1 > v_2:
return 1
if v_1 < v_2:
return -1
return 0
assert compare_versions('0.1', '1.1') == -1
assert compare_versions('2.0', '1.2') == 1
# This fails, reported : https://github.com/pypa/packaging/issues/299
assert compare_versions('1.2', '1.2_5') == -1
assert compare_versions('1.2.1', '1.2_1') == 1
assert compare_versions('1.2.1', '1.2.1') == 0
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