Modify qt6ct scheme on command line

set_qt6ct_scheme.py

#!/usr/bin/env python3

from PyQt6.QtCore import QSettings
import sys
import pathlib


base_path = pathlib.Path("/usr/share/qt6ct/colors/")
extension = ".conf"


def themes():
    return [p.stem for p in base_path.glob(f"*{extension}")]


if len(sys.argv) < 3 or "-h" in sys.argv or "--help" in sys.argv:
    sys.exit(
        f"""Usage: {sys.argv[0]} CONFIG_FILE SCHEME
Set the qt6ct scheme to SCHEME.
Available schemes:
{"\n".join(themes())}
"""
    )

settings = QSettings(sys.argv[1], QSettings.Format.IniFormat)
settings.beginGroup("Appearance")
settings.setValue("color_scheme_path", str(base_path / f"{sys.argv[2]}{extension}"))