On Thursday, February 6, 2014 5:02:09 AM UTC+2, msu...@gmail.com wrote:
> I had a bug in a Python script recently. The code in question was
> something along the lines of:
> if a == 1:
> x = y
> else:
> x = z
> y = z + y
> z = z + 1
>
> While editing this file I accidentally pushed TAB on the line with
> 'y = z + y'.
> My changes were elsewhere and I did not notice the above one line
> change when I looked at the diffs before commit. I should have noticed
> it...
>
> It was rare that a was 1 and therefore the problem did not show up
> for a while. (I know I should have had tests exercising all cases...)
> When the bug showed up, it was kind of difficult to remember what
> was the original intent. Fortunately, looking at old versions allowed
> me to find the problem commit and the bug.
> Any suggestion on how to avoid this type of error in the future?
> Thanks!
I see.
The only solution to mimic C style curly brackets comes to my mind is
to use hash to mark start and stop of your block as:
if a == 1:#
x = y
#
else:#
x = z
#
y = z + y
z = z + 1
and PEP ... Nulla poena sine lege :-)
/Asaf
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