main.py

import sys

from util import constants

# If debugging application then automatically generate the UI if necessary
if constants.debug:
    import pyqt5ac

    pyqt5ac.main(config='pyqt5ac_config.yml')

from gui.mainWindow import *
from PyQt5.QtCore import *
from PyQt5.QtWidgets import *

# Back up the reference to the exceptionhook
sys._excepthook = sys.excepthook

# Exception hook is used to print out the exception
# This is necessary for Qt 5 applications because Qt uses an event loop which will not trigger a traceback
def customExceptionHook(exctype, value, traceback):
    # Print the error and traceback
    print(exctype, value, traceback)

    # Call the normal Exception hook after
    sys._excepthook(exctype, value, traceback)
    sys.exit(1)


# Set the exception hook to our wrapping function
sys.excepthook = customExceptionHook


def main():
    # Set application, organization name and version
    # This is used for the QSettings (when an empty constructor is given)
    QCoreApplication.setApplicationName(constants.applicationName)
    QCoreApplication.setOrganizationName(constants.organizationName)
    QCoreApplication.setApplicationVersion(constants.version)

    app = QApplication(sys.argv)

    form = MainWindow()
    form.show()

    sys.exit(app.exec_())


if __name__ == '__main__':
    main()