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The “version info” meaning already conventionally means the tuple of version components, like ‘sys.version_info’. Rename the mapping to avoid this meaning.
Semver 
A Python module for semantic versioning. Simplifies comparing versions.
Usage
This module provides just couple of functions, main of which are:
>>> import semver
>>> semver.compare("1.0.0", "2.0.0")
-1
>>> semver.compare("2.0.0", "1.0.0")
1
>>> semver.compare("2.0.0", "2.0.0")
0
>>> semver.match("2.0.0", ">=1.0.0")
True
>>> semver.match("1.0.0", ">1.0.0")
False
>>> semver.format_version(3, 4, 5, 'pre.2', 'build.4')
'3.4.5-pre.2+build.4'
>>> version_parts = semver.parse("3.4.5-pre.2+build.4")
>>> version_parts == {
... 'major': 3, 'minor': 4, 'patch': 5,
... 'prerelease': 'pre.2', 'build': 'build.4'}
True
>>> semver.bump_major("3.4.5")
'4.0.0'
>>> semver.bump_minor("3.4.5")
'3.5.0'
>>> semver.bump_patch("3.4.5")
'3.4.6'
>>> semver.max_ver("1.0.0", "2.0.0")
'2.0.0'
>>> semver.min_ver("1.0.0", "2.0.0")
'1.0.0'Installation
For Python 2:
pip install semverFor Python 3:
pip3 install semverHow to Contribute
When you make changes to the code please run the tests before pushing your code to your fork and opening a pull request:
python setup.py testWe use py.test and tox to run tests against all supported Python versions. All test dependencies are resolved automatically, apart from virtualenv, which for the moment you still may have to install manually:
pip install "virtualenv<14.0.0" # <14.0.0 needed for Python 3.2 onlyYou can use the clean command to remove build and test
files and folders:
python setup.py clean