cascading python executions only if return code is 0

Steven D'Aprano steve+comp.lang.python at
Fri Dec 27 05:39:57 CET 2013

Roy Smith wrote:

> In article <mailman.4567.1387819120.18130.python-list at>,
>  Ethan Furman <ethan at> wrote:
>> Mostly I don't want newbies thinking "Hey!  I can use assertions for all
>> my confidence testing!"
> How about this one, that I wrote yesterday;
>         assert second >= self.current_second, "time went backwards"
> I think that's pretty high up on the "can never happen" list.

Time goes backwards by one hour[1] at least once a year across most of the

[1] Unless it's less than an hour. Or more than one hour.


More information about the Python-list mailing list