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

Tue Dec 13 15:24:16 CET 2011

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.
--
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> 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>
>> 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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>>>>>> --
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