cascading python executions only if return code is 0

[Mark Lawrence]

On 23/12/2013 03:22, Chris Angelico wrote:
> On Mon, Dec 23, 2013 at 2:10 PM, Dennis Lee Bieber
> <wlfraed at ix.netcom.com> wrote:
>>          Having spent 22 years with VMS, 0 -> success is still a problem to me.
>> Odd result codes (aka True) were 1-success/3-information, even results
>> (False) were 0-warning/2-error/4-fatal
>
> Having spent a similar amount of time with Unix, C, and various APIs,
> I'm quite used to 0 meaning success and nonzero meaning error.
>
> ChrisA
>

Another C thing to complain about, with functions like malloc the status 
code and value returned are one and the same thing, except that NULL is 
failure in this case.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence