scripts/release

#!/usr/bin/python3
import sys
import os
import re
from subprocess import check_output, check_call


def bump(version):
    components = version.split('.')
    components[1] = str(int(components[1]) + 1)
    components[2] = '0'
    return '.'.join(components)


def run():
    os.chdir(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))

    current_version = check_output(
        [sys.executable, 'setup.py', '--version'],
        encoding='utf-8'
    ).strip()
    new_version = bump(current_version)

    check_call([
        'sed',
        '-r',
        '-e', 's|%s|%s|g' % (re.escape(current_version), new_version),
        '-i', 'setup.py',
    ])

    check_call(['git', 'add', 'setup.py'])

    tag = 'v' + new_version
    msg = 'Release ' + tag
    check_call(['git', 'commit', '-m', msg])
    check_call(['git', 'tag', '-a', '-m', msg, tag])

    print("Check `git log', then `git push --follow-tags'")


if __name__ == '__main__':
    run()