test_timeit.py 文件源码

def run_main(self, seconds_per_increment=1.0, switches=None, timer=None):
        if timer is None:
            timer = FakeTimer(seconds_per_increment=seconds_per_increment)
        if switches is None:
            args = []
        else:
            args = switches[:]
        args.append(self.fake_stmt)
        # timeit.main() modifies sys.path, so save and restore it.
        orig_sys_path = sys.path[:]
        with captured_stdout() as s:
            timeit.main(args=args, _wrap_timer=timer.wrap_timer)
        sys.path[:] = orig_sys_path[:]
        return s.getvalue()