python_embed/Lib/site-packages/PyQt6/uic/Loader/loader.py

# Copyright (c) 2023 Riverbank Computing Limited.
# Copyright (c) 2006 Thorsten Marek.
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#
# This file is part of PyQt.
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# You may use this file under the terms of the GPL v3 or the revised BSD
# license as follows:
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from PyQt6 import QtCore, QtGui, QtWidgets

from ..uiparser import UIParser
from .qobjectcreator import LoaderCreatorPolicy


class DynamicUILoader(UIParser):
    def __init__(self, package):
        UIParser.__init__(self, QtCore, QtGui, QtWidgets,
                LoaderCreatorPolicy(package))

    def createToplevelWidget(self, classname, widgetname):
        if self.toplevelInst is None:
            return self.factory.createQtObject(classname, widgetname)

        if not isinstance(self.toplevelInst, self.factory.findQObjectType(classname)):
            raise TypeError(
                    ("Wrong base class of toplevel widget",
                            (type(self.toplevelInst), classname)))

        return self.toplevelInst

    def loadUi(self, filename, toplevelInst):
        self.toplevelInst = toplevelInst

        return self.parse(filename)