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from subprocess import Popen, PIPE
#----------------------------------------------------------------------------
# Get version string from git
#
# Author: Douglas Creager <dcreager@dcreager.net>
# http://dcreager.net/2010/02/10/setuptools-git-version-numbers/
#
# PEP 386 adaptation from
# https://gist.github.com/ilogue/2567778/f6661ea2c12c070851b2dfb4da8840a6641914bc
#----------------------------------------------------------------------------
def call_git_describe(abbrev=4):
try:
p = Popen(['git', 'describe', '--abbrev=%d' % abbrev],
stdout=PIPE, stderr=PIPE)
p.stderr.close()
line = p.stdout.readlines()[0]
return line.strip().decode('utf8')
except:
return None
def read_release_version():
try:
f = open("RELEASE-VERSION", "r")
try:
version = f.readlines()[0]
return version.strip()
finally:
f.close()
except:
return None
def write_release_version(version):
f = open("RELEASE-VERSION", "w")
f.write("%s\n" % version)
f.close()
def pep386adapt(version):
# adapt git-describe version to be in line with PEP 386
parts = version.split('-')
if len(parts) > 1:
parts[-2] = 'post'+parts[-2]
version = '.'.join(parts[:-1])
return version
def git_version(abbrev=4):
# Read in the version that's currently in RELEASE-VERSION.
release_version = read_release_version()
# First try to get the current version using "git describe".
version = call_git_describe(abbrev)
# If that doesn't work, fall back on the value that's in
# RELEASE-VERSION.
if version is None:
version = release_version
else:
#adapt to PEP 386 compatible versioning scheme
version = pep386adapt(version)
# If we still don't have anything, fallback to 0.0.1.
if version is None:
version = '0.0.1'
# If the current version is different from what's in the
# RELEASE-VERSION file, update the file to be current.
if version != release_version:
write_release_version(version)
# Finally, return the current version.
return version
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