Why is array.array('u') deprecated?

[jonathan.slenders at gmail.com]

Le vendredi 8 mai 2015 12:29:15 UTC+2, Steven D'Aprano a écrit :
> On Fri, 8 May 2015 07:14 pm, jonathan.slenders wrote:
> 
> > Why is array.array('u') deprecated?
> > 
> > Will we get an alternative for a character array or mutable unicode
> > string?
> 
> 
> Good question.
> 
> Of the three main encodings for Unicode, two are variable-width: 
> 
> * UTF-8 uses 1-4 bytes per character 
> * UTF-16 uses 2 or 4 bytes per character
> 
> while UTF-32 is fixed-width (4 bytes per character). So you could try faking
> it with a 32-bit array and filling it with string.encode('utf-32').


I guess that doesn't work. I need to have something that I can pass to the re module for searching through it. Creating new strings all the time is no option. (Think about gigabyte strings.)