Inconsistency with split() - Script, OS, or Package Problem?

[James Wright]

Hello Ian,

It does indeed to seem that way.  However the script works just fine
on other machines, with the same input file.


Thanks,
James


On Mon, May 9, 2011 at 2:41 PM, Ian Kelly <ian.g.kelly at gmail.com> wrote:
> On Mon, May 9, 2011 at 12:10 PM, James Wright <jamfwright at gmail.com> wrote:
>> Hello,
>>
>> I have been using a script on several boxes that have been around for
>> a while, and everything works just fine.  I am finding though, that on
>> some new OS installs the script fails with:
>>
>> Traceback (most recent call last):
>>  File "render4.py", line 114, in <module>
>>    create_report_index(each_item)
>>  File "render4.py", line 25, in create_report_index
>>    [clean_name, _] = each_value.split('_', 1)
>> ValueError: need more than 1 value to unpack
>
> You should check the value of each_value at the point when the script
> fails.  It sounds like split() is getting passed a string that doesn't
> contain any '_' characters at all, resulting in a sequence with only
> one value.  Passing 1 as the second argument ensures that there will
> be at most 1 split, but there may still be fewer.
>
> Cheers,
> Ian
>