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

[Nick Coghlan]

Such code still won't work on 3.2, hence restoring the redundant notation
would be ultimately pointless.

--
Nick Coghlan (via Gmail on Android, so likely to be more terse than usual)
On Dec 8, 2011 4:34 PM, "Chris McDonough" <chrism at plope.com> wrote:

> On Thu, 2011-12-08 at 01:18 -0500, Benjamin Peterson wrote:
> > 2011/12/8 Chris McDonough <chrism at plope.com>:
> > > On Thu, 2011-12-08 at 01:02 -0500, Benjamin Peterson wrote:
> > >> 2011/12/8 Chris McDonough <chrism at plope.com>:
> > >> > On the heels of Armin's blog post about the troubles of making the
> same
> > >> > codebase run on both Python 2 and Python 3, I have a concrete
> > >> > suggestion.
> > >> >
> > >> > It would help a lot for code that straddles both Py2 and Py3 to be
> able
> > >> > to make use of u'' literals.
> > >>
> > >> Helpful or not helpful, I think that ship has sailed. The earliest it
> > >> could see the light of day is 3.3, which would leave people trying to
> > >> support 3.1 and 3.2 in a bind.
> > >
> > > Right.. the title does say "readd ... support in 3.3".  Are you
> > > suggesting "the ship has sailed" for eternity because it can't be
> > > supported in Python < 3.3?
> >
> > I'm questioning the real utility of it.
>
> All I can really offer is my own experience here based on writing code
> that needs to straddle Python 2.5, 2.6, 2.7 and 3.2 without use of 2to3.
> Having u'' work across all of these would mean porting would not require
> as much eyeballing as code modified via "from future import
> unicode_literals", it would let more code work on 2.5 unchanged, and the
> resulting code would execute faster than code that required us to use a
> u() function.
>
> What's the case against?
>
> - C
>
>
>
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