Re: tv_extractinfo_en problem :(

On 2 February 2011 19:36, Gunga Din II <[email protected]> wrote:
> Hi Nick!
>
> Good news, sort of....
>
> tv_extractinfo_en seems to be doing it's job again, and data is appearing at
> the end of the pipe....
>
> It seems to have started working again on the 1st,  so at a guess it must have
> be something in the listings that has just expires, so something from the
> listing for the 31st Jan perhaps?

Just had a look at this for you - you were correct in that the
offending entry was for 2011-01-31. It turns out the issue was with
"James May's Toy Stories" on Dave @ 20110131000000 +0000. The
description included the text "the original 2.75-mile circuit" and the
distance was being interpreted as a valid time by tv_extractinfo_en,
causing Date::Manip to fail:

testing word 2.75 at position 37
word is '2.75'
trying 2.75 as 24 hour time
found a time that interprets: 2:75
Can't use an undefined value as an ARRAY reference at
/usr/share/perl5/Date/Manip.pm line 517.

> Is there any way to make tv_extractinfo_en  more verbose when trying to debug
> this sort of problem? Error reporting seems to be limited to the Perl module
> that complains, but it's hard to tell exactly where in the input it had the
> problem, any tips?

Turning on Log::TraceMessages within tv_extractinfo_en revealed the
above issue almost immediately. It looks as though only text matching
x.00 - x.59 should be considered valid timing data for the purposes of
identifying multipart programmes - this handling occurs in the
special_multipart subroutine. I'd need to look further at extractinfo
to see whether fatal errors can be handled more gracefully - I did
this with uk_rt and now it only errors out on the most serious
problems.

Cheers,
Nick

-- 
Nick Morrott

MythTV Official wiki: http://mythtv.org/wiki/
MythTV users list archive: http://www.gossamer-threads.com/lists/mythtv/users

"An investment in knowledge always pays the best interest." - Benjamin Franklin

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