Unicode script

MRAB python at mrabarnett.plus.com
Thu Dec 15 21:44:20 EST 2016

On 2016-12-15 21:57, Terry Reedy wrote:
> On 12/15/2016 1:06 PM, MRAB wrote:
>> On 2016-12-15 16:53, Steve D'Aprano wrote:
>>> Suppose I have a Unicode character, and I want to determine the script or
>>> scripts it belongs to.
>>> For example:
>>> U+0033 DIGIT THREE "3" belongs to the script "COMMON";
>>> U+0061 LATIN SMALL LETTER A "a" belongs to the script "LATIN";
>>> U+03BE GREEK SMALL LETTER XI "ξ" belongs to the script "GREEK".
>>> Is this information available from Python?
>>> More about Unicode scripts:
>>> http://www.unicode.org/reports/tr24/
>>> http://www.unicode.org/Public/UCD/latest/ucd/Scripts.txt
>>> http://www.unicode.org/Public/UCD/latest/ucd/ScriptExtensions.txt
>> Interestingly, there's issue 6331 "Add unicode script info to the
>> unicode database". Looks like it didn't make it into Python 3.6.
> https://bugs.python.org/issue6331
> Opened in 2009 with patch and 2 revisions for 2.x.  At least the Python
> code needs to be updated.
> Approved in principle by Martin, then unicodedata curator, but no longer
> active.  Neither, very much, are the other 2 listed in the Expert's index.
>  From what I could see, both the Python API (there is no doc patch yet)
> and internal implementation need more work.  If I were to get involved,
> I would look at the APIs of PyICU (see Eryk Sun's post) and the
> unicodescript module on PyPI (mention by Pander Musubi, on the issue).
For what it's worth, the post has prompted me to get back to a module I 
started which will report such Unicode properties, essentially the ones 
that the regex module supports. It just needs a few more tweaks and 
packaging up...

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