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