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from pathlib import Path
import sys

from PySide6.QtCore import (QItemSelection, QLibraryInfo, QLocale, QTranslator,
                            Qt, Slot)
from PySide6.QtWidgets import (QAbstractItemView, QApplication, QListWidget,
                               QMainWindow, QWidget)
import linguist_rc

""""
     Misleading indentation (5) for PYSIDE-2379"""

class Window(QMainWindow):
    def __init__(self):
        super().__init__()
        #: File menu
        file_menu = self.menuBar().addMenu(self.tr("&File"))
        #= quit_id
        quit_action = file_menu.addAction(self.tr("Quit"))
        quit_action.setShortcut(self.tr("CTRL+Q"))
        quit_action.triggered.connect(self.close)
        help_menu = self.menuBar().addMenu(self.tr("&Help"))
        about_qt_action = help_menu.addAction(self.tr("About Qt"))
        about_qt_action.triggered.connect(qApp.aboutQt)

        self._list_widget = QListWidget()
        self._list_widget.setSelectionMode(QAbstractItemView.MultiSelection)
        self._list_widget.selectionModel().selectionChanged.connect(self.selection_changed)
        self._list_widget.addItem("C++")
        self._list_widget.addItem("Java")
        self._list_widget.addItem("Python")
        self.setCentralWidget(self._list_widget)

    @Slot(QItemSelection, QItemSelection)
    def selection_changed(self, selected, deselected):
        count = len(self._list_widget.selectionModel().selectedRows())
        message = self.tr("%n language(s) selected", "", count)
        self.statusBar().showMessage(message)

    def test_translate_trailing_comma_behavior(self):
        self.translate("CONTEXT",
                       "SOME TEXT, NO COMMENT, TRAILING COMMA",                  
                      )
        self.translate("CONTEXT",
                       "SOME TEXT",
                       "A COMMENT, NO TRAILING COMMA"
                      )
        self.translate("CONTEXT",
                       "SOME MORE TEXT",
                       "A COMMENT WITH A TRAILING COMMA",
                      )
        self.translate("CONTEXT",
                       "EVEN MORE TEXT",
                       "A COMMENT WITH PLURALIZATION",
                       42
                      )
        self.translate("CONTEXT",
                       "YET MORE TEXT",
                       "A COMMENT WITH PLURALIZATION AND A TRAILING COMMA",
                       42,
                      )
        self.translate("CONTEXT",
                       "SOME TEXT, SHOULD NOT BE EXTRACTED",
                       "A COMMENT WITH PLURALIZATION AND A TRAILING COMMA AND GARBAGE",
                       42,
                       "THIS SHOULD NOT WORK"
                      )

    class NestedClass:
        def foo(self):
            msg = self.tr("Nested Message")

    def window_method(self):  # PYSIDE-2379, Don't put this into NestedClass
        msg = self.tr("Window Message")
        msg = self.tr(f"An f-string\\")
        msg = self.tr(r"A raw strin\g")
        msg = self.tr(r"A raw strin\g""continued\\")
        msg = self.tr(r"A raw string with escaped quote\"bla")


if __name__ == '__main__':
    app = QApplication(sys.argv)

    path = QLibraryInfo.location(QLibraryInfo.TranslationsPath)
    translator = QTranslator(app)
    if translator.load(QLocale.system(), 'qtbase_', '', path):
        app.installTranslator(translator)
    translator = QTranslator(app)
    path = ':/translations'
    if translator.load(QLocale.system(), 'example_', '', path):
        app.installTranslator(translator)

    window = Window()
    window.show()
    sys.exit(app.exec())