tg-ws-proxy/utils/update_check.py

103 lines
3.3 KiB
Python

"""
Минимальная проверка новой версии через GitHub Releases API (без сторонних зависимостей).
"""
from __future__ import annotations
import json
from itertools import zip_longest
from typing import Any, Dict, Optional
from urllib.error import HTTPError, URLError
from urllib.request import Request, urlopen
REPO = "Flowseal/tg-ws-proxy"
RELEASES_LATEST_API = f"https://api.github.com/repos/{REPO}/releases/latest"
RELEASES_PAGE_URL = f"https://github.com/{REPO}/releases/latest"
_state: Dict[str, Any] = {
"checked": False,
"has_update": False,
"ahead_of_release": False,
"latest": None,
"html_url": None,
"error": None,
}
def _parse_version_tuple(s: str) -> tuple:
s = (s or "").strip().lstrip("vV")
if not s:
return (0,)
parts = []
for seg in s.split("."):
digits = "".join(c for c in seg if c.isdigit())
if digits:
try:
parts.append(int(digits))
except ValueError:
parts.append(0)
else:
parts.append(0)
return tuple(parts) if parts else (0,)
def _version_gt(a: str, b: str) -> bool:
"""True, если версия a новее b (простое сравнение по сегментам)."""
ta = _parse_version_tuple(a)
tb = _parse_version_tuple(b)
for x, y in zip_longest(ta, tb, fillvalue=0):
if x > y:
return True
if x < y:
return False
return False
def fetch_latest_release(timeout: float = 12.0) -> Optional[dict]:
req = Request(
RELEASES_LATEST_API,
headers={
"Accept": "application/vnd.github+json",
"User-Agent": "tg-ws-proxy-update-check",
},
method="GET",
)
with urlopen(req, timeout=timeout) as resp:
raw = resp.read().decode("utf-8", errors="replace")
return json.loads(raw)
def run_check(current_version: str) -> None:
"""Запрашивает последний релиз и обновляет внутреннее состояние."""
global _state
_state["checked"] = True
_state["error"] = None
try:
data = fetch_latest_release()
tag = (data.get("tag_name") or "").strip()
html_url = (data.get("html_url") or "").strip() or RELEASES_PAGE_URL
if not tag:
_state["has_update"] = False
_state["ahead_of_release"] = False
_state["latest"] = None
_state["html_url"] = html_url
return
latest_clean = tag.lstrip("vV")
cur = (current_version or "").strip().lstrip("vV")
_state["latest"] = latest_clean
_state["html_url"] = html_url
_state["has_update"] = _version_gt(latest_clean, cur)
_state["ahead_of_release"] = bool(latest_clean) and _version_gt(
cur, latest_clean
)
except (HTTPError, URLError, OSError, TimeoutError, ValueError, json.JSONDecodeError) as e:
_state["error"] = str(e)
_state["has_update"] = False
_state["ahead_of_release"] = False
_state["latest"] = None
_state["html_url"] = RELEASES_PAGE_URL
def get_status() -> Dict[str, Any]:
"""Снимок состояния после run_check (для подписей в настройках)."""
return dict(_state)