sintonia/api/libretime_api/legacy/migrations/_version.py

42 lines
1.1 KiB
Python

import re
VERSION_RE = re.compile(
r"""
(?P<release>[0-9]+(?:\.[0-9]+)*)
(?:
-(?P<pre_l>(alpha|beta))
(?:
\.(?P<pre_n>[0-9]+
(?:
\.[0-9]+
)?
)
)?
)?
""",
re.VERBOSE | re.IGNORECASE,
)
def parse_version(version: str):
match = VERSION_RE.search(version)
if not match:
raise ValueError(f"invalid version {version}")
release = list(map(int, match.group("release").split(".")))
major = release.pop(0) if release else 0
minor = release.pop(0) if release else 0
patch = release.pop(0) if release else 0
pre_mapping = {"alpha": -2, "beta": -1, None: 0, "": 0}
pre = pre_mapping[match.group("pre_l")]
pre_major, pre_minor = 0, 0
pre_version = match.group("pre_n")
if pre_version:
pre_version_list = pre_version.split(".")
pre_major = int(pre_version_list.pop(0)) if len(pre_version_list) else 0
pre_minor = int(pre_version_list.pop(0)) if len(pre_version_list) else 0
return (major, minor, patch, pre, pre_major, pre_minor)