Fojadrachi
c3e69bd5da
Eigene Anwendung neben der Qt-Version: PlaytubeEdge.exe, eigene Installer-ID, eigener Datenordner, Updates nur ueber Releases mit Tag *-edge.
62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
"""Laedt Microsoft Edge WebView2 (per pythonnet / .NET Framework) fuer den Browser-Tab.
|
|
|
|
Die DLLs (Microsoft.Web.WebView2.Core/WinForms, WebView2Loader) liegen im Projektordner
|
|
vendor/webview2 (offizielles NuGet-Paket "Microsoft.Web.WebView2"). Die eigentliche
|
|
Browser-Engine ist die auf Windows 10/11 vorinstallierte "WebView2 Runtime" (Edge) - sie
|
|
bringt AAC/H.264 mit, die in QtWebEngine fehlen.
|
|
"""
|
|
from __future__ import annotations
|
|
|
|
import os
|
|
import sys
|
|
from functools import lru_cache
|
|
from pathlib import Path
|
|
from types import SimpleNamespace
|
|
|
|
|
|
class WebView2Unavailable(RuntimeError):
|
|
"""WebView2 konnte nicht geladen werden (DLLs oder Runtime fehlen)."""
|
|
|
|
|
|
def _vendor_dir() -> Path:
|
|
base = Path(getattr(sys, "_MEIPASS", Path(__file__).resolve().parent.parent))
|
|
return base / "vendor" / "webview2"
|
|
|
|
|
|
@lru_cache(maxsize=1)
|
|
def load() -> SimpleNamespace:
|
|
"""Laedt .NET + WebView2 einmalig und gibt die benoetigten Klassen zurueck."""
|
|
vendor = _vendor_dir()
|
|
core_dll = vendor / "Microsoft.Web.WebView2.Core.dll"
|
|
winforms_dll = vendor / "Microsoft.Web.WebView2.WinForms.dll"
|
|
if not core_dll.exists() or not winforms_dll.exists():
|
|
raise WebView2Unavailable(f"WebView2-DLLs fehlen in {vendor}")
|
|
|
|
# WebView2Loader.dll (nativ) wird ueber den Suchpfad bzw. runtimes/win-x64/native gefunden.
|
|
os.environ["PATH"] = f"{vendor}{os.pathsep}{os.environ.get('PATH', '')}"
|
|
try:
|
|
from pythonnet import load as load_runtime
|
|
|
|
load_runtime("netfx")
|
|
import clr
|
|
|
|
clr.AddReference("System.Windows.Forms")
|
|
clr.AddReference("System.Drawing")
|
|
clr.AddReference(str(core_dll))
|
|
clr.AddReference(str(winforms_dll))
|
|
|
|
from Microsoft.Web.WebView2.Core import (
|
|
CoreWebView2PermissionKind,
|
|
CoreWebView2PermissionState,
|
|
)
|
|
from Microsoft.Web.WebView2.WinForms import CoreWebView2CreationProperties, WebView2
|
|
except Exception as error: # pythonnet wirft je nach Fehler unterschiedliche Typen
|
|
raise WebView2Unavailable(f"WebView2 konnte nicht geladen werden: {error}") from error
|
|
|
|
return SimpleNamespace(
|
|
WebView2=WebView2,
|
|
CreationProperties=CoreWebView2CreationProperties,
|
|
PermissionKind=CoreWebView2PermissionKind,
|
|
PermissionState=CoreWebView2PermissionState,
|
|
)
|