[Python-Dev] 2.4a2, and @decorators

[Bob Ippolito]

On Aug 2, 2004, at 12:55 PM, Phillip J. Eby wrote:

> At 01:14 AM 8/3/04 +1000, Anthony Baxter wrote:
>> Barry Warsaw wrote:
>>> On Mon, 2004-08-02 at 10:40, Phillip J. Eby wrote:
>>>> @decorator won?  When did that happen?
>>>
>>> First I heard about it was when I saw Anthony's checkin messages.  
>>> Maybe
>>> it was throwing that pie that inspired Guido -- an '@' does kind of 
>>> look
>>> like a pie.  I think Anthony's checkin message was accurate enough
>>> though -- it's the syntax everyone can hate equally.  But I'm glad
>>> /something/ made it in!
>>> print>>-set-the-precedent-ly y'rs,
>>> -Barry
>>
>> Hey, I was just going off Guido's decision (in email - looking back, 
>> it
>> wasn't cc'd to python-dev, which probably explains the lack of 400
>> followups <wink>)
>>
>> Channelling the BDFL, I think the idea was to put it in 2.4a2, and see
>> how it works for people. If it turns out that it's really really 
>> really
>> hated, we can try something else in a3. Guido can of course follow up
>> to this (hint hint) and give his own answers.
>
> I would think the fact that the '[decorators]' syntax can be 
> implemented in pure Python (no changes to the interpreter) for 
> existing Python versions would give more weight to it.  That is, if 
> someone wants to implement a decorator that's forwards and 
> backwards-compatible, that's possible with the list syntax, but not 
> the @ syntax.

... but that also means you can still make the [decorators] syntax work 
in 2.4, if you want compatibility or don't like @syntax.

-bob
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