127 lines
3.5 KiB
Python
127 lines
3.5 KiB
Python
import os
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import sys
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import tempfile
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import webbrowser
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import requests
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from aza_version import APP_CHANNEL, APP_VERSION
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UPDATE_MANIFEST_URL = "https://api.aza-medwork.ch/download/version.json"
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_MIN_INSTALLER_BYTES = 1_000_000
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def _is_newer_version(latest: str, current: str) -> bool:
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def parse(v: str):
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parts = []
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for p in str(v).strip().split("."):
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try:
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parts.append(int(p))
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except Exception:
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parts.append(0)
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while len(parts) < 3:
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parts.append(0)
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return tuple(parts[:3])
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return parse(latest) > parse(current)
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def check_for_updates():
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try:
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r = requests.get(UPDATE_MANIFEST_URL, timeout=4)
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if r.status_code != 200:
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return None
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data = r.json()
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latest = str(data.get("version") or "").strip()
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channel = str(data.get("channel") or "stable").strip()
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download_url = str(data.get("download_url") or "").strip()
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if channel != APP_CHANNEL:
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return None
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if latest and _is_newer_version(latest, APP_VERSION):
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return {
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"update_available": True,
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"latest_version": latest,
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"download_url": download_url,
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}
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return None
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except Exception:
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return None
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def _download_installer(download_url: str) -> str | None:
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"""Downloads installer to TEMP. Returns path on success, None on failure."""
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try:
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target = os.path.join(tempfile.gettempdir(), "aza_desktop_setup_latest.exe")
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with requests.get(download_url, stream=True, timeout=60) as r:
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if r.status_code != 200:
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return None
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with open(target, "wb") as f:
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for chunk in r.iter_content(chunk_size=512 * 1024):
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if chunk:
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f.write(chunk)
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if os.path.isfile(target) and os.path.getsize(target) >= _MIN_INSTALLER_BYTES:
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return target
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return None
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except Exception:
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return None
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def prompt_update_if_available():
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"""Prueft auf Update, zeigt Dialog, laedt Installer herunter und startet ihn."""
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info = check_for_updates()
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if not info or not info.get("update_available"):
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return
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download_url = info.get("download_url", "")
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latest_version = info.get("latest_version", "")
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try:
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import tkinter as tk
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from tkinter import messagebox
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root = tk.Tk()
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root.withdraw()
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answer = messagebox.askyesno(
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"Update verfuegbar",
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f"AZA {latest_version} ist verfuegbar.\n\n"
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f"Ihre Version: {APP_VERSION}\n\n"
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"Moechten Sie das Update jetzt installieren?",
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parent=root,
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)
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if not answer:
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root.destroy()
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return
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root.destroy()
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installer_path = _download_installer(download_url)
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if installer_path:
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os.startfile(installer_path)
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sys.exit(0)
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_root2 = tk.Tk()
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_root2.withdraw()
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retry = messagebox.askyesno(
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"Download fehlgeschlagen",
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"Das Update konnte nicht heruntergeladen werden.\n\n"
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"Moechten Sie die Download-Seite im Browser oeffnen?",
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parent=_root2,
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)
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if retry and download_url:
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webbrowser.open(download_url)
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_root2.destroy()
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except Exception:
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pass
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if __name__ == "__main__":
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result = check_for_updates()
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print(result)
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