Method save

Lib/test/support/__init__.py:2204–2214

(self)

        self.handlers = {}

    def save(self):
        for signum in self.signals:
            handler = self.signal.getsignal(signum)
            if handler is None:
                # getsignal() returns None if a signal handler was not
                # registered by the Python signal module,
                # and the handler is not SIG_DFL nor SIG_IGN.
                #
                # Ignore the signal: we cannot restore the handler.
                continue
            self.handlers[signum] = handler

    def restore(self):
        for signum, handler in self.handlers.items():