macos_version_check.py

import platform
import subprocess

def is_old_macos():
    if platform.system() != "Darwin":
        print("Not running on macOS.")
        return False
    try:
        version = subprocess.check_output(["sw_vers", "-productVersion"]).decode().strip()
        print(f"Detected macOS version: {version}")
        major, minor, *_ = map(int, version.split("."))
        if major == 11 or (major == 12 and minor < 6):
            print("Detected as OLD macOS (Big Sur or early Monterey).")
            return True
        else:
            print("macOS version is MODERN (Monterey 12.6+ or newer).")
            return False
    except Exception as e:
        print(f"Could not determine macOS version: {e}")
        return False

if __name__ == "__main__":
    is_old_macos()

#
# if is_old_macos():
#     app.setStyleSheet(open("styles_macos.qss").read())
# else:
#     app.setStyleSheet(open("styles.qss").read())