[Python-ideas] Adding str.isascii() ?

Chris Barker chris.barker at noaa.gov
Mon Jan 29 15:54:41 EST 2018

On Fri, Jan 26, 2018 at 5:27 PM, Steven D'Aprano <steve at pearwood.info>

> tcl/tk and Javascript only support UCS-2 (16 bit) Unicode strings.
> Dealing with the Supplementary Unicode Planes have the same problems
> that older "narrow" builds of Python sufferred from: single code points
> were counted as len(2) instead of len(1), slicing could be wrong, etc.
> There are still many applications which assume Latin-1 data. For
> instance, I use a media player which displays mojibake when passed
> anything outside of Latin-1.
> Sometimes it is useful to know in advance when text you pass to another
> application is going to run into problems because of the other
> application's limitations.

I'm confused -- isn't the way to do this to encode your text into the
encoding the other application accepts ?

if you really want to know in advance, it is so hard to run it through a
encode/decode sandwich?

Wait -- I can't find UCS-2 in the built-in encodings -- am I dense or is it
not there? Shouldn't it be? If only for this reason?



Christopher Barker, Ph.D.

Emergency Response Division
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Chris.Barker at noaa.gov
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