Guido van Rossum wrote:
2009/1/20 Raymond Hettinger :
I'm at a loss of why the notice needs to be there at all.
There's a difference between contributing a whole file and
contributing a patch. Patches do not require copyright notices. Whole
files do. This is not affected by later edits to the
Steven D'Aprano wrote:
Another argument against the PEP was that it breaks the correspondence
between the generator expression and the equivalent for-loop. I had
never even noticed such correspondence before, because to my eyes the
most important term is the yielded expression, not the scaffo
I would be all for cleaning up, if the lawyers agree, but I've spent
enough time talking to lawyers for the rest of my life. You know where
to reach Van Lindberg.
On Tue, Jan 20, 2009 at 5:20 PM, Raymond Hettinger wrote:
>
> [Raymond Hettinger]
>>>
>>> I'm at a loss of why the notice needs to be
[Raymond Hettinger]
I'm at a loss of why the notice needs to be there at all.
[GvR]
There's a difference between contributing a whole file and
contributing a patch. Patches do not require copyright notices. Whole
files do. This is not affected by later edits to the file.
That makes sense.
2009/1/20 Raymond Hettinger :
> I'm at a loss of why the notice needs to be there at all.
There's a difference between contributing a whole file and
contributing a patch. Patches do not require copyright notices. Whole
files do. This is not affected by later edits to the file.
> AFAICT, we've
> h
Luke Kenneth Casson Leighton wrote:
this is a fairly important issue for python development
interoperability - martin mentioned that releases of mingw-compiled
python, if done with a non-interoperable version of msvcrt, would
cause much mayhem.
well, compiling python on mingw with msvcr80 _can_ b
On Tue, Jan 20, 2009 at 5:36 PM, Raymond Hettinger wrote:
> [Terry Reedy]
>>
>> Bottom line to me. The current notion of copyright does not work too well
>> with evolving, loosely collective works (which eventually become
>> 'folklore').
>
> I'm at a loss of why the notice needs to be there at al
[Terry Reedy]
Bottom line to me. The current notion of copyright does not work too
well with evolving, loosely collective works (which eventually become
'folklore').
I'm at a loss of why the notice needs to be there at all. AFAICT, we've
had tons of contributions from googlers and only one h
Gerald Britton wrote:
I wonder if this is a bug?
It is a known glitch reported last summer. Devs decided not to fix
because doing so would, in the patches tried, slow list comps
significantly. Also, the documented intent and expected usage of
StopIteration is this
"exception StopIteratio
On 2009-01-20 16:54, Stephen J. Turnbull wrote:
> M.-A. Lemburg writes:
> > On 2009-01-20 11:02, Michael Foord wrote:
>
> > > Mere collections of facts are not copyrightable as they are not
> > > creative (the basis of copyright)
>
> That's incorrect in the U.S.; what is copyrightable is an *o
M.-A. Lemburg wrote:
On 2009-01-20 00:56, Raymond Hettinger wrote:
Why does numbers.py say:
# Copyright 2007 Google, Inc. All Rights Reserved.
# Licensed to PSF under a Contributor Agreement.
Because that's where that file originated, I guess. This is part
of what you have to do for thi
On Wed, 21 Jan 2009 03:56:06 am Antoine Pitrou wrote:
> Alexey G. Shpagin udmvt.ru> writes:
> > Example will look like
> > g = (n for n in range(100) if n*n < 50 or else_break())
>
> Please don't suggest any hack involving raising StopIteration as part
> of a conditional statement in a generator
Thanks for all the feedback.
[Michael Foord]
> At Resolver Systems we regularly extend the test framework purely
> to provide more diagnostic information in the event of test failures.
> We do a lot of functional testing through the UI, which is particularly
> prone to intermittent and hard to dia
>> That's a non-starter for anyone who incorporates Python in an existing
>> MSVC-based development environment.
>
> surely incorporating libpython2.5.dll.a or libpython2.6.dll.a, along
> with the .def and the importlib that's generated with dlldump, unless
> i'm missing something, would be a simp
Luke Kenneth Casson Leighton wrote:
> i'd say "great" - but given a choice of "impressive profile guided
> optimisation plus a proprietary compiler, proprietary operating system
> _and_ being forced to purchase a system _capable_ of running said
> proprietary compiler, said proprietary operating sy
Gerald Britton wrote:
> I wonder if this is a bug?
Nope, it's part of the defined behaviour. Avoiding the overhead of the
GE machinery is actually the main advantage in using a comprehension
over the equivalent generator expression. Deliberately raising
StopIteration is about the only way to notic
Antoine Pitrou wrote:
> Alexey G. Shpagin udmvt.ru> writes:
>> Example will look like
>> g = (n for n in range(100) if n*n < 50 or else_break())
>
> Please don't suggest any hack involving raising StopIteration as part of a
> conditional statement in a generator expression. It might work today,
On Sun, Jan 18, 2009 at 11:49 PM, Adam Olsen wrote:
> On Sun, Jan 18, 2009 at 9:32 PM, Guido van Rossum wrote:
>> On Sun, Jan 18, 2009 at 5:38 PM, Gregory P. Smith wrote:
>>> +1 on getting rid of the IOBase __del__ in the C rewrite in favor of
>>> tp_dealloc.
>>>
>>> On Sun, Jan 18, 2009 at 11:5
On Tue, 20 Jan 2009 at 16:56, Antoine Pitrou wrote:
Alexey G. Shpagin udmvt.ru> writes:
Example will look like
g = (n for n in range(100) if n*n < 50 or else_break())
Please don't suggest any hack involving raising StopIteration as part of a
conditional statement in a generator expression.
On Tue, Jan 20, 2009 at 12:46 PM, Gerald Britton
wrote:
> I wonder if this is a bug?
I don't think so, but its interesting nonetheless.
passing a generator expression to list() involves two loops: the list
construction and the generator expression. So, a StopIteration from
whatever the GE is ite
I wonder if this is a bug?
On Tue, Jan 20, 2009 at 11:32 AM, Vitor Bosshard wrote:
> - Mensaje original
>> De: "python-3...@udmvt.ru"
>> Para: Gerald Britton
>> CC: python-dev@python.org
>> Enviado: martes, 20 de enero, 2009 11:18:24
>> Asunto: Re: [Python-Dev] PEP 3142: Add a "while"
On Tue, Jan 20, 2009 at 12:00 PM, Vitor Bosshard wrote:
>
>
> - Mensaje original
>> De: Gerald Britton
>> Para: Vitor Bosshard
>> CC: python-3...@udmvt.ru; python-dev@python.org
>> Enviado: martes, 20 de enero, 2009 13:40:07
>> Asunto: Re: [Python-Dev] PEP 3142: Add a "while" clause to
- Mensaje original
> De: Gerald Britton
> Para: Vitor Bosshard
> CC: python-3...@udmvt.ru; python-dev@python.org
> Enviado: martes, 20 de enero, 2009 13:40:07
> Asunto: Re: [Python-Dev] PEP 3142: Add a "while" clause to generator
> expressions
>
> Right, but the PEP is only about gen
Alexey G. Shpagin udmvt.ru> writes:
>
> Example will look like
> g = (n for n in range(100) if n*n < 50 or else_break())
Please don't suggest any hack involving raising StopIteration as part of a
conditional statement in a generator expression. It might work today, but it
might as well break to
Stephen J. Turnbull wrote:
M.-A. Lemburg writes:
> On 2009-01-20 11:02, Michael Foord wrote:
> > Mere collections of facts are not copyrightable as they are not
> > creative (the basis of copyright)
That's incorrect in the U.S.; what is copyrightable is an *original
work of expression fixed
Right, but the PEP is only about generator expressions.
On Tue, Jan 20, 2009 at 11:32 AM, Vitor Bosshard wrote:
> - Mensaje original
>> De: "python-3...@udmvt.ru"
>> Para: Gerald Britton
>> CC: python-dev@python.org
>> Enviado: martes, 20 de enero, 2009 11:18:24
>> Asunto: Re: [Python-
- Mensaje original
> De: "python-3...@udmvt.ru"
> Para: Gerald Britton
> CC: python-dev@python.org
> Enviado: martes, 20 de enero, 2009 11:18:24
> Asunto: Re: [Python-Dev] PEP 3142: Add a "while" clause to generator
> expressions
>
> May I suggest you this variant?
>
> def raiseSt
On 1/20/2009 4:45 PM, Gerald Britton wrote:
OK, so your suggestion:
g = (n for n in range(100) if n*n < 50 or raiseStopIteration())
really means "return in in the range 0-99 if n-squared is less than 50
or the function raiseStopIteration() returns True".
How would this get the generator to st
Yup, I tried your idea and it does work as I intended. It looks a
little better than using takewhile, but not (to me anyway) as nice as
my original suggestion. Still, if my idea is ultimately rejected
(looks that way at the moment), this is a good alternative.
On Tue, Jan 20, 2009 at 10:57 AM, A
On Tue, Jan 20, 2009 at 10:45:27AM -0500, Gerald Britton wrote:
> OK, so your suggestion:
>
> g = (n for n in range(100) if n*n < 50 or raiseStopIteration())
>
> really means "return in in the range 0-99 if n-squared is less than 50
> or the function raiseStopIteration() returns True".
>
> How
M.-A. Lemburg writes:
> On 2009-01-20 11:02, Michael Foord wrote:
> > Mere collections of facts are not copyrightable as they are not
> > creative (the basis of copyright)
That's incorrect in the U.S.; what is copyrightable is an *original
work of expression fixed in some medium*. "Original"
OK, so your suggestion:
g = (n for n in range(100) if n*n < 50 or raiseStopIteration())
really means "return in in the range 0-99 if n-squared is less than 50
or the function raiseStopIteration() returns True".
How would this get the generator to stop once n*n >=50? It looks
instead like the fi
On Tue, Jan 20, 2009 at 8:39 AM, Paul Moore wrote:
> 2009/1/20 Benjamin Peterson :
>> We might be opening a can of worms, though. Do we document everything
>> that takes a dictionary argument with collections.Mapping or
>> everything that takes a integer numbers.Rationale? What if multiple
>> type
On Tue, Jan 20, 2009 at 09:24:32AM -0500, Gerald Britton wrote:
> hmmm...doesn't:
>
> if n*n < 50 or raise StopIteration()
>
> really mean, "Return an integer in the range 0-99 if n-squared is less
> than fifty or the statement 'raise StopIteration()' returns True" ?
>
> I'm not sure that th
On Tue, Jan 20, 2009 at 6:18 AM, Luke Kenneth Casson Leighton
wrote:
>
> yeah they said the same thing about "gas ovens", too. not the nazi
> gas ovens, the phrase my mother used to say "if someone stuck their
> head in a gas oven, would you do the same?".
I don't know who is forcing you to use
Hi all,
There is a pending patch issue at http://bugs.python.org/issue4242 which
proposes to tag, in the CPython test suite, which tests are general
language tests (the vast majority) and which ones are specific to
CPython. The patch would add a couple of helpful functions to
test_support.py (htt
On 18 Jan, 2009, at 18:10, Barry Scott wrote:
While the build should be fixed for 2.6+ (I'll send a patch), note
that
bundlebuilder is gone in 3.0.
What is the replacement for bundlebuilder for 3.0? Lack of
bundlebuilder becomes a serious porting problem for me.
I deliver pysvn WOrkbench
2009/1/20 Benjamin Peterson :
> We might be opening a can of worms, though. Do we document everything
> that takes a dictionary argument with collections.Mapping or
> everything that takes a integer numbers.Rationale? What if multiple
> types are possible?
No. Only document things as taking an ABC
On Mon, Jan 19, 2009 at 11:56 PM, Brett Cannon wrote:
> On Mon, Jan 19, 2009 at 19:19, Benjamin Peterson wrote:
>> On Mon, Jan 19, 2009 at 9:11 PM, Brett Cannon wrote:
>>> On Mon, Jan 19, 2009 at 19:01, Benjamin Peterson
>>> wrote:
On Mon, Jan 19, 2009 at 8:24 PM, Brett Cannon wrote:
>>>
On Mon, Jan 19, 2009 at 10:10:00AM -0500, Gerald Britton wrote:
> Please find below PEP 3142: Add a "while" clause to generator
> expressions. I'm looking for feedback and discussion.
>
...
> g = (n for n in range(100) while n*n < 50)
May I suggest you this variant?
def raiseStopI
hmmm...doesn't:
if n*n < 50 or raise StopIteration()
really mean, "Return an integer in the range 0-99 if n-squared is less
than fifty or the statement 'raise StopIteration()' returns True" ?
I'm not sure that that will work.
On Tue, Jan 20, 2009 at 9:18 AM, wrote:
> On Mon, Jan 19, 2009
could someone kindly send me the assembly files that are created by a
proprietary win32 build of python2.5, 2.6 and trunk, the ones used to
create the dll _and_ the python.exe
many thanks.
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http://mail.pyth
On Tue, Jan 20, 2009 at 1:11 PM, Tim Lesher wrote:
> On Tue, Jan 20, 2009 at 08:02, Luke Kenneth Casson Leighton
> wrote:
>> of course - if python for win32 ENTIRELY DROPPED msvc as a development
>> platform, and went for an entirely free software development
>> toolchain, then this problem goes
Luke Kenneth Casson Leighton schrieb:
> of course - if python for win32 ENTIRELY DROPPED msvc as a development
> platform, and went for an entirely free software development
> toolchain, then this problem goes away.
>
> thoughts, anyone?
That's not going to happen anytime soon. As long as Microso
Tim Lesher wrote:
On Tue, Jan 20, 2009 at 08:02, Luke Kenneth Casson Leighton
wrote:
of course - if python for win32 ENTIRELY DROPPED msvc as a development
platform, and went for an entirely free software development
toolchain, then this problem goes away.
That's a non-starter for any
On Tue, Jan 20, 2009 at 08:02, Luke Kenneth Casson Leighton
wrote:
> of course - if python for win32 ENTIRELY DROPPED msvc as a development
> platform, and went for an entirely free software development
> toolchain, then this problem goes away.
That's a non-starter for anyone who incorporates Pyt
folks, hi,
this is a fairly important issue for python development
interoperability - martin mentioned that releases of mingw-compiled
python, if done with a non-interoperable version of msvcrt, would
cause much mayhem.
well, compiling python on mingw with msvcr80 _can_ be done; using it
can also b
On 2009-01-20 11:02, Michael Foord wrote:
> M.-A. Lemburg wrote:
>> [snip...]
>>
>>> Does the copyright concept even apply to an
>>> abstract base class (I thought APIs were not
>>> subject to copyright, just like database layouts
>>> and language definitions)?
>>>
>>
>> It applies to the wr
Kristján Valur Jónsson wrote:
> Are you all certain that this mapping from a generator expression to
> a foor loop isn't just a happy coincidence? After all, the generator
> statement is just a generalization of the list comprehension and that
> doesn't map quite so directly.
The mapping of the fo
Brett Cannon wrote:
On Mon, Jan 19, 2009 at 19:02, Scott Dial
wrote:
Brett Cannon wrote:
3. Are brackets for optional arguments (e.g. ``def fxn(a [, b=None [,
c=None]])``) really necessary when default argument values are
present? And do we really need to nest the brackets when it is o
M.-A. Lemburg wrote:
[snip...]
Does the copyright concept even apply to an
abstract base class (I thought APIs were not
subject to copyright, just like database layouts
and language definitions)?
It applies to the written program text. You are probably
thinking about other IP rights su
On 2009-01-20 00:56, Raymond Hettinger wrote:
> Why does numbers.py say:
>
># Copyright 2007 Google, Inc. All Rights Reserved.
># Licensed to PSF under a Contributor Agreement.
Because that's where that file originated, I guess. This is part
of what you have to do for things that are lice
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