Files
bearhub/bauh/gems/arch/version.py

36 lines
1.0 KiB
Python

from typing import Optional
from packaging.version import parse
def normalize_version(version: str) -> Optional[str]:
if version:
final_version = version.strip()
if final_version:
if ':' not in final_version:
final_version = '0:{}'.format(final_version)
if '-' not in final_version:
final_version = '{}-1'.format(final_version)
return final_version
def compare_versions(version_a: str, operator: str, version_b: str) -> bool:
if operator:
a_obj, b_obj = parse(normalize_version(version_a)), parse(normalize_version(version_b))
if operator == '>':
return a_obj > b_obj
elif operator == '>=':
return a_obj >= b_obj
elif operator == '<':
return a_obj < b_obj
elif operator == '<=':
return a_obj <= b_obj
elif operator == '==':
return a_obj == b_obj
raise Exception("compare: invalid string operator {}".format(operator))