2026-09-11 19:41:26 +02:00
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#!/usr/bin/env python3
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"""Gemeinsame Launcher-Logik fuer Windows-Starter und macOS.
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Unsichtbarer Ablauf: GStreamer vorhanden -> Engine im Hintergrund
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starten, auf die Web-UI warten, Browser oeffnen.
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Fehlt etwas -> grafischer Installer (installer_gui.py) oeffnen.
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"""
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from __future__ import annotations
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import json
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import subprocess
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import sys
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import time
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import urllib.request
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import webbrowser
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from pathlib import Path
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ROOT = Path(__file__).resolve().parent
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IS_WIN = sys.platform == "win32"
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2026-09-11 23:33:19 +02:00
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# Portable GStreamer laden (macOS: HMS-Portable-Install.command)
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_fw = ROOT / "runtime" / "GStreamer.framework" / "Versions" / "1.0"
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if _fw.is_dir():
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import os as _os
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_lib = str(_fw / "lib")
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_os.environ["DYLD_LIBRARY_PATH"] = _lib + ":" + _os.environ.get("DYLD_LIBRARY_PATH", "")
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_gst = str(_fw / "lib" / "gstreamer-1.0")
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_os.environ["GST_PLUGIN_PATH"] = _gst
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_os.environ["GST_PLUGIN_SYSTEM_PATH_1_0"] = _gst
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_os.environ["GI_TYPELIB_PATH"] = (str(_fw / "lib" / "girepository-1.0")
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+ ":" + _os.environ.get("GI_TYPELIB_PATH", ""))
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for _v in ("python3.12", "python3.13", "python3.11"):
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_sp = _fw / "lib" / _v / "site-packages"
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if (_sp / "gi").is_dir():
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sys.path.insert(0, str(_sp))
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break
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2026-09-11 19:41:26 +02:00
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def web_port() -> int:
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try:
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cfg = json.loads((ROOT / "config.json").read_text("utf-8"))
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return int(cfg.get("web", {}).get("port", 8080))
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except Exception: # noqa: BLE001
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return 8080
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def gst_ok() -> bool:
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try:
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import gi # noqa: F401
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gi.require_version("Gst", "1.0")
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from gi.repository import Gst
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Gst.init(None)
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return True
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except Exception: # noqa: BLE001
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return False
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def _spawn(py: str, target: str, hidden: bool) -> None:
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if IS_WIN and hidden:
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subprocess.Popen(
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[py, str(ROOT / target)], cwd=str(ROOT),
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creationflags=0x08000000, # CREATE_NO_WINDOW
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stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
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else:
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subprocess.Popen(
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[py, str(ROOT / target)], cwd=str(ROOT),
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stdout=open("/tmp/hms-mediaengine.log", "ab"),
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stderr=subprocess.STDOUT, start_new_session=not IS_WIN)
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def wait_health(port: int, timeout_s: float = 25.0) -> bool:
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deadline = time.monotonic() + timeout_s
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while time.monotonic() < deadline:
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try:
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with urllib.request.urlopen(
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f"http://localhost:{port}/api/health",
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timeout=1.5) as r:
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if json.loads(r.read().decode()).get("status") == "ok":
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return True
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except Exception: # noqa: BLE001
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time.sleep(0.4)
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return False
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def launch() -> int:
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if gst_ok():
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_spawn(sys.executable, "run.py", hidden=True)
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port = web_port()
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if wait_health(port):
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webbrowser.open(f"http://localhost:{port}")
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return 0
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print("[Launcher] Engine antwortete nicht rechtzeitig – "
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"oeffne Installer.", file=sys.stderr)
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_spawn(sys.executable, "installer_gui.py", hidden=False)
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return 1
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if __name__ == "__main__":
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sys.exit(launch())
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