71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
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# -*- coding: utf-8 -*-
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# Authors: Douglas Creager <dcreager@dcreager.net>
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# Calum Lind <calumlind@gmail.com>
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#
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# This file is placed into the public domain.
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#
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# Calculates the current version number by first checking output of “git describe”,
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# modified to conform to PEP 386 versioning scheme. If “git describe” fails
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# (likely due to using release tarball rather than git working copy), then fall
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# back on reading the contents of the RELEASE-VERSION file.
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#
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# Usage: Import in setup.py, and use result of get_version() as package version:
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#
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# from version import *
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#
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# setup(
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# ...
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# version=get_version(),
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# ...
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# )
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#
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# Script will automatically update the RELEASE-VERSION file, if needed.
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# Note that RELEASE-VERSION file should *not* be checked into git; please add
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# it to your top-level .gitignore file.
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#
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# You'll probably want to distribute the RELEASE-VERSION file in your
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# sdist tarballs; to do this, just create a MANIFEST.in file that
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# contains the following line:
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#
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# include RELEASE-VERSION
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#
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__all__ = ("get_version")
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from subprocess import Popen, PIPE
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VERSION_FILE = "RELEASE-VERSION"
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def call_git_describe(prefix='', suffix=''):
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cmd = 'git describe --tags --match %s[0-9]*' % prefix
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try:
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version = Popen(cmd.split(), stdout=PIPE).communicate()[0]
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version = version.strip().replace(prefix, '')
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if '-' in version:
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version = '.dev'.join(version.replace(suffix,'').split('-')[:2])
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return version
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except:
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return None
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def get_version(prefix='', suffix=''):
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try:
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with open(VERSION_FILE, "r") as f:
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release_version = f.readline().strip()
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except:
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release_version = None
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version = call_git_describe(prefix, suffix)
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if version is None:
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version = release_version
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if version is None:
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raise ValueError("Cannot find the version number!")
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if version != release_version:
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with open(VERSION_FILE, "w") as f:
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f.write("%s\n" % version)
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return version
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if __name__ == "__main__":
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print get_version(prefix='deluge-', suffix='.dev0')
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