scripts: Upgrade to Qt 6

Using qutebrowser.qt where we import from qutebrowser already anyways

scripts/dev/misc_checks.py

@@ -291,7 +291,6 @@ def check_pyqt_imports(args: argparse.Namespace) -> Optional[bool]:
     """Check for direct PyQt imports."""
     ignored = [
         pathlib.Path("qutebrowser", "qt"),
-        # FIXME:qt6 fix those too?
         pathlib.Path("misc", "userscripts"),
         pathlib.Path("scripts"),
     ]

scripts/dev/standardpaths_tester.py

@@ -21,7 +21,7 @@
 import os
 import sys
 
-from PyQt5.QtCore import (QT_VERSION_STR, PYQT_VERSION_STR, qVersion,
+from PyQt6.QtCore import (QT_VERSION_STR, PYQT_VERSION_STR, qVersion,
                           QStandardPaths, QCoreApplication)
 
 

scripts/keytester.py

@@ -21,8 +21,7 @@
 Use python3 -m scripts.keytester to launch it.
 """
 
-from PyQt5.QtWidgets import QApplication
-
+from qutebrowser.qt.widgets import QApplication
 from qutebrowser.misc import miscwidgets
 
 app = QApplication([])

scripts/opengl_info.py

@@ -18,8 +18,8 @@
 
 """Show information about the OpenGL setup."""
 
-from PyQt5.QtGui import (QOpenGLContext, QOpenGLVersionProfile,
-                         QOffscreenSurface, QGuiApplication)
+from PyQt6.QtGui import QOpenGLContext, QOffscreenSurface, QGuiApplication
+from PyQt6.QtOpenGL import QOpenGLVersionProfile, QOpenGLVersionFunctionsFactory
 
 app = QGuiApplication([])
 
@@ -38,7 +38,7 @@ print(f"GLES: {ctx.isOpenGLES()}")
 vp = QOpenGLVersionProfile()
 vp.setVersion(2, 0)
 
-vf = ctx.versionFunctions(vp)
+vf = QOpenGLVersionFunctionsFactory.get(vp, ctx)
 print(f"Vendor: {vf.glGetString(vf.GL_VENDOR)}")
 print(f"Renderer: {vf.glGetString(vf.GL_RENDERER)}")
 print(f"Version: {vf.glGetString(vf.GL_VERSION)}")