version number comparison

version.py

from distutils.version import StrictVersion

# バージョン番号の比較
print StrictVersion("11.0.0") > StrictVersion("2.0.0")
# => True


# バージョン番号のソート
tests = [
    "1.0",
    "1.1",
    "1.0.1",
    "1.0.2",
    "1.1.1",
    "1.1.2",
    "2.0.0",
    "11.0.0"
]

print sorted(tests)
# => ['1.0', '1.0.1', '1.0.2', '1.1', '1.1.1', '1.1.2', '11.0.0', '2.0.0']
print sorted(tests, key=StrictVersion)
# => ['1.0', '1.0.1', '1.0.2', '1.1', '1.1.1', '1.1.2', '2.0.0', '11.0.0']