[Python-Dev] readd u'' literal support in 3.3?

Tue Dec 13 15:27:04 CET 2011

On 13/12/2011 14:24, Nick Coghlan wrote:
>> Input = normal 2.x code; Output = code that runs on both 2.x and 3.x.
>> That is, tinkering with what 2to3 produces, not what it accepts.
>
How is that different from what 2to3 currently does? Are you agreeing 
with Laurence, suggesting an alternative, or something else?
Michael
> --
> Nick Coghlan (via Gmail on Android, so likely to be more terse than usual)
>> On Dec 13, 2011 11:46 PM, "Michael Foord" <fuzzyman at voidspace.org.uk 
> <mailto:fuzzyman at voidspace.org.uk>> wrote:
>> On 13/12/2011 13:33, Laurence Rowe wrote:
>> On 2011年12月12日 22:18:40 +0100, Chris McDonough
> <chrism at plope.com <mailto:chrism at plope.com>> wrote:
>> On Mon, 2011年12月12日 at 09:50 -0500, PJ Eby wrote:
>>> As someone who ported WebOb and other stuff
> built on top of it
> to Python
> 3 without using "from __future__ import
> unicode_literals", I'm
> kinda sad
> that to be using best practice I'll have to go
> back and flip
> the
> polarity on everything.
>>> Eh? If you don't need unicode_literals, what's the
> problem?
>>> Porting the WebOb code sucked. It's only about 5K lines
> of code but the
> porting effort took me about 80 hours. Some of the
> problem is certainly
> my own idiocy, but some of it is just because straddling
> code across
> Python 2 and Python 3 currently requires that you change
> lots and lots
> of code for suspect benefit.
>>> Could this manual work be cut down if there was a version of
> 2to3 that targeted the subset of the language that is
> compatible with both 2 and 3? That would seem to avoid most of
> the drawbacks to the current 2to3 approach.
>> I'm not sure what you mean, but it *reads* as if you mean "a
> version of 2to3 that only converts code that doesn't need
> converting". Could you clarify?
>> Thanks,
>> Michael
>> Laurence
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> -- the sqlite blessing http://www.sqlite.org/different.html
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-- 
http://www.voidspace.org.uk/
May you do good and not evil
May you find forgiveness for yourself and forgive others
May you share freely, never taking more than you give.
-- the sqlite blessing http://www.sqlite.org/different.html
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