import sys

try:
    from PySide6.QtCore import QElapsedTimer, QLibraryInfo, qVersion
    from PySide6.QtWidgets import QApplication, QStyleFactory, QMainWindow, QPushButton
except:
    from PySide2.QtCore import QElapsedTimer, QLibraryInfo, qVersion
    from PySide2.QtWidgets import QApplication, QStyleFactory, QMainWindow, QPushButton


class Window(QMainWindow):
    def __init__(self, args, parent=None):
        super(Window, self).__init__(parent=parent)
        self.setWindowTitle(qVersion() + " Test UTF-8 ")
        self.show()
        self.button = QPushButton("English Text")
        self.setCentralWidget(self.button)
        self.button.clicked.connect(self.click_button)

        self._n = 0
        self._timer = QElapsedTimer()

    def click_button(self):
        t = "English Text" if self._n % 2 else "LiSA×Uru - 再会 (produced by Ayase)"
        self._n += 1
        self._timer.restart()
        self.button.setText(t)
        print('Elapsed: ', self._timer.elapsed())


if __name__ == '__main__':
    print('Python {}.{}'.format(sys.version_info[0], sys.version_info[1]))
    print(QLibraryInfo.build())
    app = QApplication(sys.argv)
    window = Window(sys.argv)
    sys.exit(app.exec_())