On 23 May 2013 22:02, Ronan Lamy wrote:
> 2013/5/23 Łukasz Langa
>> Last one wins. Just like with assigning names in a scope, defining methods
>> in a class or overriding them in a subclass.
>
> This is a serious annoyance, considering that there are several places where
> a large library can rea
On Thu, May 23, 2013 at 6:40 PM, Steven D'Aprano wrote:
> I don't think that they will. Being able to register multiple types with a
> single call reads very naturally to me, while multiple decorators still
> looks weird. Even after many years of seeing them, I still get a momentary
> "What the he
On 24/05/13 15:09, Nick Coghlan wrote:
On Fri, May 24, 2013 at 8:40 AM, Steven D'Aprano wrote:
I don't think that they will. Being able to register multiple types with a
single call reads very naturally to me, while multiple decorators still
looks weird. Even after many years of seeing them, I
On Fri, May 24, 2013 at 8:53 PM, Steven D'Aprano wrote:
> Python built-ins and the standard library already have a standard idiom for
> specifying multiple values at once. A tuple of types is the One Obvious Way
> to do this:
>
> @fun.register((float, Decimal))
It's not obvious, it's ambiguous -
On Fri, May 24, 2013 at 9:41 PM, Nick Coghlan wrote:
> Furthermore, the proposed registration syntax in the PEP is identical
> to the syntax which already exists for ABC registration as a class
> decorator (http://docs.python.org/3/library/abc#abc.ABCMeta.register).
Sorry, I withdraw that observa
On Fri, May 24, 2013 at 7:54 PM, Sam Partington
wrote:
> But isn't it much much worse than names in scope, as with assigning
> names in a scope it is only your scope that is affected :
>
> from os.path import join
> def join(wibble):
> 'overloads join in this module only'
>
> any other module
2013/5/24 Ethan Furman
> On 05/23/2013 02:02 PM, Ronan Lamy wrote:
>
>> 2013/5/23 Łukasz Langa mailto:luk...@langa.pl>>
>>
>>
>> On 23 maj 2013, at 20:13, Éric Araujo > mer...@netwok.org>> wrote:
>>
>> > Question: what happens if two functions (say in two different
>> modules)
>> > ar
On 24 maj 2013, at 14:22, Ronan Lamy wrote:
>> 2013/5/24 Ethan Furman
>> What would you suggest happen in this case?
> Raise a ValueError, maybe? In that case, there needs to be a way to force the
> overriding when it is explicitly desired. One way would be to allow
> unregistering implementa
On Fri, May 24, 2013 at 10:22 PM, Ronan Lamy wrote:
> Raise a ValueError, maybe? In that case, there needs to be a way to force
> the overriding when it is explicitly desired. One way would be to allow
> unregistering implementations: overriding is then done by unregistering the
> old implementati
On 24 maj 2013, at 14:53, Ronan Lamy wrote:
>> 2013/5/24 Łukasz Langa
>>
>> I recognize the need for such behaviour to be discoverable. This is
>> important for debugging purposes. This is why I'm going to let users
>> inspect registered overloads, as well as provide their own mapping
>> for th
ACTIVITY SUMMARY (2013-05-17 - 2013-05-24)
Python tracker at http://bugs.python.org/
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Issues counts and deltas:
open3972 ( +6)
closed 25850 (+45)
total 29822 (+51)
Open issues wit
Here's something that seems to come up from time to time in Debian.
Take a Python application like tox, nose, or pyflakes. Their executables work
with both Python 2 and 3, but require a #! line to choose which interpreter to
invoke.
When we add Python 3 support in Debian for such a script, all t
On Fri, 24 May 2013 15:56:29 -0400, Barry Warsaw wrote:
> Have any other *nix distros addressed this, and if so, how do you solve it?
> It would be nice if we could have some cross-platform recommendations so
> things work the same wherever you go. To that end, if we can reach some
> consensus, I
On Fri, May 24, 2013 at 10:23 PM, R. David Murray wrote:
> Gentoo has a (fairly complex) driver script that is symlinked to all
> of these bin scripts. The system then has the concept of the
> "current python", which can be set to python2 or python3. The default
> bin then calls the current defa
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