# Source: https://github.com/Changaco/version.py

from os.path import dirname, isdir, join
import re
from subprocess import CalledProcessError, check_output


PREFIX = ''

tag_re = re.compile(r'\btag: %s([0-9][^,]*)\b' % PREFIX)
version_re = re.compile('^Version: (.+)$', re.M)


def get_version():
    cmd = 'dpkg-parsechangelog -S Version'.split()
    try:
        version = check_output(cmd).decode().strip().split('-')[0]
    except CalledProcessError:
        print('Unable to get version number from git tags')
        exit(1)
    return version


if __name__ == '__main__':
    print(get_version())