Movie (MPAA) ratings and Python?

Ned Batchelder ned at nedbatchelder.com
Thu Dec 12 02:01:44 CET 2013


On 12/11/13 6:39 PM, Dan Stromberg wrote:
>
> On Wed, Dec 11, 2013 at 3:24 PM, Steven D'Aprano
> <steve+comp.lang.python at pearwood.info
> <mailto:steve+comp.lang.python at pearwood.info>> wrote:
>
>     On Wed, 11 Dec 2013 15:07:35 -0800, Dan Stromberg wrote:
>
>      >  $ chardet mpaa-ratings-reasons.list
>      > mpaa-ratings-reasons.list: windows-1255 (confidence: 0.97)
>      >
>      > I'm aware that chardet is playing guessing games, though one
>     would hope
>      > it would guess well most of the time, and give a reasonable
>     confidence
>      > rating.
>
>     What reason do you have for thinking that Windows-1255 isn't a
>     reasonable
>     guess? If the bulk of the text is Latin-1 except perhaps for one or two
>     Hebrew characters (or what chardet thinks are Hebrew characters), it may
>     actually be a reasonable guess.
>
>
> I get a traceback if I try to read the file as Windows-1255.  I don't
> get a traceback if I read it as ISO-8859-1.
>
>     If it is a poor guess, perhaps you ought to report it to the chardet
>     maintainers as a good example of a poor guess.
>
> I was considering that, and may do so.
>
> I've also been wondering if ISO-8859-1 is just an octet-oriented codec,
> so it'll read about anything.  There are clearly non-7-bit-ASCII
> characters in the file that look like line noise in an mrxvt.

Both ISO-8859-1 and Windows-1255 are octet-oriented, I don't see why one 
would raise an exception when the other didn't.  Unless the exception 
isn't on the decode, but instead on your attempt to output the result. 
Can you show the full traceback you're seeing?

-- 
Ned Batchelder, http://nedbatchelder.com




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