app.py

#!/usr/bin/env python3
"""Linux Tech Helper prototype entry point."""

from __future__ import annotations

import sys

try:
    import gi

    gi.require_version("Gdk", "3.0")
    gi.require_version("Gtk", "3.0")
    from gi.repository import Gio, Gtk
except ImportError as exc:
    print("GTK/PyGObject is required to run Linux Tech Helper.", file=sys.stderr)
    print(f"Import error: {exc}", file=sys.stderr)
    sys.exit(1)

from lth.core.database import Database
from lth.gui.first_run_wizard import FirstRunWizard
from lth.gui.main_window import MainWindow
from lth.gui.theme import apply_theme


class LinuxTechHelperApp(Gtk.Application):
    def __init__(self) -> None:
        super().__init__(
            application_id="local.linuxtechhelper.prototype",
            flags=Gio.ApplicationFlags.FLAGS_NONE,
        )
        self.db = Database()
        self.window = None

    def do_activate(self) -> None:
        apply_theme()
        self.db.initialize()

        if self.db.has_machine_profile():
            self.window = MainWindow(self, self.db)
        else:
            self.window = FirstRunWizard(self, self.db, self.open_main_window)

        self.window.present()

    def open_main_window(self) -> None:
        if self.window is not None:
            self.window.destroy()
        self.window = MainWindow(self, self.db)
        self.window.present()


def main() -> int:
    app = LinuxTechHelperApp()
    return app.run(sys.argv)


if __name__ == "__main__":
    raise SystemExit(main())