Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Greg Ewing
Anthony Baxter wrote: > Unless the fans are perfectly balanced, small changes in gravity are > going to affect the rate at which they spin. So I guess the > position of the moon will affect it :-) A standard gravitational field could also be important to eliminate relativistic effects. So we n

[Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Ben North
[EMAIL PROTECTED] wrote: > > > I really, really wish that every feature proposal for Python had to meet > > > some burden of proof Ben North wrote: > > This is what I understood the initial posting to python-ideas to be > > about. [EMAIL PROTECTED] wrote: > I'm suggesting that the standards

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Steve Holden
Steve Holden wrote: > Barry Warsaw wrote: >> -BEGIN PGP SIGNED MESSAGE- >> Hash: SHA1 >> >> On Feb 15, 2007, at 6:27 AM, Anthony Baxter wrote: >> >>> On Thursday 15 February 2007 21:48, Steve Holden wrote: Greg Ewing wrote: > Steve Holden wrote: >> A further data point is that

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Steve Holden
Barry Warsaw wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > On Feb 15, 2007, at 6:27 AM, Anthony Baxter wrote: > >> On Thursday 15 February 2007 21:48, Steve Holden wrote: >>> Greg Ewing wrote: Steve Holden wrote: > A further data point is that modern machines seem to give

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Barry Warsaw
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Feb 15, 2007, at 6:27 AM, Anthony Baxter wrote: > On Thursday 15 February 2007 21:48, Steve Holden wrote: >> Greg Ewing wrote: >>> Steve Holden wrote: A further data point is that modern machines seem to give timing variabilities due to C

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Anthony Baxter
On Thursday 15 February 2007 21:48, Steve Holden wrote: > Greg Ewing wrote: > > Steve Holden wrote: > >> A further data point is that modern machines seem to give > >> timing variabilities due to CPU temperature variations even if > >> you always eat exactly the same thing. > > > > Oh, great. Now w

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-15 Thread Steve Holden
Greg Ewing wrote: > Steve Holden wrote: > >> A further data point is that modern machines seem to give timing >> variabilities due to CPU temperature variations even if you always eat >> exactly the same thing. > > Oh, great. Now we're going to have to run our > benchmarks in a temperature-cont

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread Guido van Rossum
On 2/14/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > What I was trying to say there is that the proposal of new ideas should not > begin with "Hey, I think this might be 'good'" - that's too ill defined. It > should be, "I noticed (myself/my users/my students/other open source > projects) wr

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread Greg Ewing
Steve Holden wrote: > A further data point is that modern machines seem to give timing > variabilities due to CPU temperature variations even if you always eat > exactly the same thing. Oh, great. Now we're going to have to run our benchmarks in a temperature-controlled oven... -- Greg ___

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread glyph
On 01:04 pm, [EMAIL PROTECTED] wrote: >[EMAIL PROTECTED]: >> I really, really wish that every feature proposal for Python had to meet >> some burden of proof [...]. I suspect this would kill 90% of "hey >> wouldn't this syntax be neat" proposals on day zero [...] > >This is what I understood the

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread Thomas Heller
Steve Holden schrieb: > Ben North wrote: > [...] >> Guido van Rossum wrote: >>> I missed discussion of the source of the 1%. Does it slow down pystone >>> or other benchmarks by 1%? That would be really odd, since I can't >>> imagine that the code path changes in any way for code that doesn't >>> u

Re: [Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread Steve Holden
Ben North wrote: [...] > Guido van Rossum wrote: >> I missed discussion of the source of the 1%. Does it slow down pystone >> or other benchmarks by 1%? That would be really odd, since I can't >> imagine that the code path changes in any way for code that doesn't >> use the feature. Is it that the

[Python-Dev] Summary: rejection of 'dynamic attribute' syntax

2007-02-14 Thread Ben North
Guido van Rossum wrote: > This seems to be the overwhelming feedback at this point, so I'm > withdrawing my support for the proposal. I hope that Ben can write up > a PEP and mark it rejected, to summarize the discussion; it's been a > useful lesson. The feedback is clear, yes. The "new syntax se