main.py

#!/usr/bin/env python3

import sys
from PyQt5 import QtWidgets as Qt
from controllers.mainwindow_controller import Mainwindow
from database import Database


def main():
    try:
        db = Database()
        app = Qt.QApplication(sys.argv)
        form = Mainwindow(db)
        form.show()
        app.exec_()
    except Exception as e:
        print(e)

if __name__ == '__main__':
    main()