def onShortcutUnindentWithBackspace(self):
        """Backspace pressed, unindent
        """
        assert self._qpart.textBeforeCursor().endswith(self.text())

        charsToRemove = len(self._qpart.textBeforeCursor()) % len(self.text())
        if charsToRemove == 0:
            charsToRemove = len(self.text())

        cursor = self._qpart.textCursor()
        cursor.setPosition(cursor.position() - charsToRemove, QTextCursor.KeepAnchor)
        cursor.removeSelectedText()
def _handle_sigint_if_enabled(self, signum, _frame):
        with self._ignore_sigint_lock:
            self._check_sigint_gate_is_correct()
            threads_ignoring_sigint = self._threads_ignoring_sigint
            ignoring_sigint_v2_engine = self._ignoring_sigint_v2_engine
        if threads_ignoring_sigint == 0 and not ignoring_sigint_v2_engine:
            self.handle_sigint(signum, _frame)