[pypy-dev] 2.5 and 2.4 compatibility

[Ondrej Certik]

On Fri, Oct 10, 2008 at 2:05 PM, Maciej Fijalkowski <fijall at gmail.com> wrote:
> On Fri, Oct 10, 2008 at 1:23 PM, Carl Friedrich Bolz <cfbolz at gmx.de> wrote:
>> Ondrej Certik wrote:
>>> On Mon, Sep 22, 2008 at 5:48 PM, Maciej Fijalkowski <fijall at gmail.com> wrote:
>>>> I'm working on 2.5 compatibility branch right now. Due to incompatible
>>>> changes, I suggest that we say we don't provide --pyversion option any
>>>> more and simply compile 2.5 compatible interpreter. I don't really see
>>>> benefits of providing 2.4 right now (after a brief discussion with
>>>> Armin).
>>>>
>>>> If anyone objects, please do that now.
>>>
>>> Just a curious question --- what kind of features are python2.4 only
>>> that doesn't work in python2.5? I though that except hashing,
>>> python2.5 is backwards compatible.
>>
>> I don't think there are any (big ones, at least). But that's just a
>> further argument for removing the --pyversion option, isn't it?
>>
>> Cheers,
>>
>> Carl Friedrich
>
> For example incompatible module APIs. They're kind of the same from
> user level, but the way they interact inside (for example sre and
> _sre) has changed.

I see. Thanks!

Ondrej