App.py

from PySide2 import QtWidgets, QtCore
from PySide2.QtGui import QIcon, QGuiApplication, Qt
import platform
import os

from lib.config import Config, ConfigType
from lib.core.impartus import Impartus
from lib.data.Icons import Icons
from lib.threadlogging import ThreadLogger
from lib.variables import Variables
from ui.callbacks.utils import CallbackUtils
from ui.content import ContentWindow
from ui.login import LoginWindow
from ui.menubar import Menubar


class App:
    """
    Launches Qt application.
    """

    def __init__(self):
        self.app = QtWidgets.QApplication([])
        self.app.setWindowIcon(QIcon(Icons.APP_LOGO.value))

        self.impartus = Impartus()
        self.login_window = LoginWindow(self.impartus)
        self.content_window = ContentWindow(self.impartus)

        Variables().set_log_window(self.content_window.log_window)
        self.thread_logger = ThreadLogger(self.__class__.__name__)
        self.logger = self.thread_logger.logger

        # initialize callbacks
        CallbackUtils().setup(
            impartus=self.impartus,
            login_window=self.login_window,
            content_window=self.content_window,
            app=self.app,
        )

        self.login_window.setup_ui(self.content_window)
        self.login_window.show()

        self.menu_bar = Menubar(self.login_window, self.content_window).add_menu()

    def run(self):
        self.app.exec_()


if __name__ == '__main__':

    # export any required variables for this platform.
    conf = Config.load(ConfigType.IMPARTUS)
    platform_name = platform.system()
    if conf.get('export_variables') and conf['export_variables'].get(platform_name):
        for key, value in conf['export_variables'].get(platform_name).items():
            os.environ[key] = value

    QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_ShareOpenGLContexts)
    QGuiApplication.setAttribute(Qt.AA_EnableHighDpiScaling)
    QGuiApplication.setAttribute(Qt.AA_UseHighDpiPixmaps)
    App().run()