lbry-desktop/build/set_version.py
2017-04-19 15:04:46 -04:00

52 lines
1.4 KiB
Python

"""Set the package version to the output of `git describe`"""
import argparse
import json
import os.path
import re
import subprocess
import sys
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--version', help="defaults to the output of `git describe`")
args = parser.parse_args()
if args.version:
version = args.version
else:
tag = subprocess.check_output(['git', 'describe']).strip()
try:
version = get_version_from_tag(tag)
except InvalidVersionTag:
# this should be an error but its easier to handle here
# than in the calling scripts.
print 'Tag cannot be converted to a version, Exitting'
return
set_version(version)
class InvalidVersionTag(Exception):
pass
def get_version_from_tag(tag):
match = re.match('v([\d.]+)', tag)
if match:
return match.group(1)
else:
raise InvalidVersionTag('Failed to parse version from tag {}'.format(tag))
def set_version(version):
root_dir = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
package_file = os.path.join(root_dir, 'app', 'package.json')
with open(package_file) as fp:
package_data = json.load(fp)
package_data['version'] = version
with open(package_file, 'w') as fp:
json.dump(package_data, fp, indent=2, separators=(',', ': '))
if __name__ == '__main__':
sys.exit(main())