Hi,
We made progress on the following issue and the latest patch
(calloc-5.patch) is ready for a review:
http://bugs.python.org/issue21233
This issue should help numpy to reuse Python memory allocators to use
the new tracemalloc module of Python 3.4. The issue is only for Python
3.5.
It was
Greetings,
I've just woken up and noticed Python 2.7.7 is on track to be released, and in a
rather unique event contains a few security enhancements
in addition to the usual fixes:
http://legacy.python.org/dev/peps/pep-0466/
I thought this might be a good time to make a final plea to fix a
(1) Should fixes to a docstring go in with a patch, even if they
aren't related to the changing functionality?
Bytestring compilation has several orthogonal parameters. Most -- but
not all -- are documented in the docstring. (Specifically, there is
no explanation of the rx parameter which acts
On Mon Apr 28 2014 at 11:32:58 AM, Jim J. Jewett jimjjew...@gmail.com
wrote:
(1) Should fixes to a docstring go in with a patch, even if they
aren't related to the changing functionality?
It should probably be its own commit.
Bytestring compilation has several orthogonal parameters.
On Mon, Apr 28, 2014 at 6:32 PM, Jim J. Jewett jimjjew...@gmail.com wrote:
(1) Should fixes to a docstring go in with a patch, even if they
aren't related to the changing functionality?
Bytestring compilation has several orthogonal parameters. Most -- but
not all -- are documented in the
Mike Miller python-...@mgmiller.net wrote:
The main rationale given (for not using the standard %ProgramFiles%) has been
that the full path to python is too long to type, and ease of use is more
important than the security benefits given by following Windows conventions.
C:\Program
(2) The patch adds new functionality to use multiple processes in
parallel. The normal parameter values are integers indicating how
many processes to use. The parameter also needs two special values --
one to indicate use os.cpu_count, and the other to indicate don't
use multiprocessing at
Mike Miller wrote:
I thought this might be a good time to make a final plea to fix a
long-standing security issue in the installer on Windows. By default it
installs
Python to the root folder, thereby bypassing filesystem permissions:
http://bugs.python.org/issue1284316
This would be an
And incidentally, I think that the argument *processes* should be
renamed to *workers*, or *jobs* (like in make), and any mention of
multiprocessing in the documentation should be removed (if any):
multiprocessing is an implementation detail.
When I type:
make -jN
I don't really care that make is
On Mon, Apr 28, 2014 at 12:56 PM, Charles-François Natali
cf.nat...@gmail.com wrote:
Why would the user care if multiprocessing is used behind the scene?
Err ... that was another set of questions that I forgot to ask.
(A) Why bother raising an error if multiprocessing is unavailable?
After
Hi,
What's meant exactly by a file object?
Let me be more specific: for example, pickle.dump() accepts a file object.
Looking at the code, it doesn't check the return value of its write() method.
So it assumes that write() should always write the whole data (not
partial write).
Same thing for
Hello,
It's more or less known fact (ref: google) that you can't inherit from
multiple generic builtin (as in coded in C) types:
class C(dict, list): pass
TypeError: multiple bases have instance lay-out conflict
However, more detailed googling led me to this page of a book:
2014-04-28 18:29 GMT+01:00 Jim J. Jewett jimjjew...@gmail.com:
On Mon, Apr 28, 2014 at 12:56 PM, Charles-François Natali
cf.nat...@gmail.com wrote:
Why would the user care if multiprocessing is used behind the scene?
Err ... that was another set of questions that I forgot to ask.
(A) Why
On Sun, Apr 27, 2014 at 1:40 PM, Barry Warsaw ba...@python.org wrote:
On Apr 27, 2014, at 12:34 PM, Chris Barker wrote:
foo = long_function_name(var_one,
var_two,
var_three,
On Sun, Apr 27, 2014 at 6:34 PM, Steven D'Aprano st...@pearwood.infowrote:
I would agree with having at least one example done with one arg per
line.
Is it really necessary? I think that one-arg-per-line is an obvious
variation of the existing example.
not really -- a lot of folks learn
On Mon, 28 Apr 2014 19:52:48 +1200
Mike Miller python-...@mgmiller.net wrote:
I thought this might be a good time to make a final plea to fix a
long-standing security issue in the installer on Windows. By default it
installs Python to the root folder, thereby bypassing filesystem
File objects historically have a pretty vague spec. E.g. it's not defined
which methods are supported beyond read() and readline() (for readers) or
write() (for writers).
Short writes shouldn't be allowed (a regular file object's write() doesn't
even return a value for this reason). This means
On Mon, 28 Apr 2014 20:45:48 +0300
Paul Sokolovsky pmis...@gmail.com wrote:
So, is that it, or disjoint native types are supported as bases
somehow? Also, would someone know if a class-subclass case happens for
example in stdlib?
Well, for instance this trivial example works:
class C(list,
Antoine's example works because list inherits from object. The more general
rule compatible layout only allows the rarest of cases to work --
basically the two classes involved must have a common base class and one of
the classes must not add any C-level fields to that base class's layout. I
would
In article
CA+OGgf4weBk1NsXBSqi1g7tDE-=7rfkzd5bzn1mxihwsgge...@mail.gmail.com,
Jim J. Jewett jimjjew...@gmail.com wrote:
As Claudiu pointed out, processes=1 should really mean 1 worker
process, which is still different from do everything in the main
process. I'm not sure that level of
Hello,
On Mon, 28 Apr 2014 20:24:58 +0200
Antoine Pitrou solip...@pitrou.net wrote:
On Mon, 28 Apr 2014 20:45:48 +0300
Paul Sokolovsky pmis...@gmail.com wrote:
So, is that it, or disjoint native types are supported as bases
somehow? Also, would someone know if a class-subclass case
Hi Paul,
On Mon, 28 Apr 2014 21:42:02 +0300
Paul Sokolovsky pmis...@gmail.com wrote:
Basically, if two classes have compatible layouts, you can inherit
from both at once.
How is compatible layout defined? Or layout for that matter at
all?
See Guido's answer. I don't think it's
On Apr 28, 2014, at 11:12 AM, Chris Barker wrote:
No -- stupid variable-width font!
I don't think anyone should write code with variable width fonts, and I'd
rather not do email that way either, but gmail is making it tough these
days..
Ouch. I'm sure it's gmail being helpful the way
On Mon, Apr 28, 2014 at 11:42 AM, Paul Sokolovsky pmis...@gmail.com wrote:
Well, it's easy to treat object class as a special-case, null
class.
But the implementation doesn't, at least not for the question you're asking.
So, let's re-formulate questions above with where such
native base
On Mon, Apr 28, 2014 at 12:02 PM, Antoine Pitrou solip...@pitrou.netwrote:
On Mon, 28 Apr 2014 21:42:02 +0300
Paul Sokolovsky pmis...@gmail.com wrote:
Basically, if two classes have compatible layouts, you can inherit
from both at once.
How is compatible layout defined? Or layout
On Sun, 27 Apr 2014 12:10:46 -0700
Nikolaus Rath nikol...@rath.org wrote:
* http://bugs.python.org/issue21057 (TextIOWrapper does not support
reading bytearrays or memoryviews)
I've reviewed this one.
Regards
Antoine.
___
Python-Dev mailing
On 04/29/2014 05:12 AM, Steve Dower wrote:
This would be an incredibly painful change that would surprise and hurt a lot of
people.
Hi, I think incredibly painful is overstating the case a bit. ;) We're
talking about an installer default, a setting that would still be changeable as
it
On Mon, Apr 28, 2014 at 6:32 PM, Jim J. Jewett jimjjew...@gmail.com wrote:
(1) Should fixes to a docstring go in with a patch, even if they
aren't related to the changing functionality?
[...]
It is best if a commit changes one small thing at a time.
On the other hand, Nick recently posted
This issue raised too much bikeshedding. To wrap it up, I'll modify
the patch with the following:
- processes renamed to workers
- `workers` defaults to 1
- When `workers` is equal to 0, then `os.cpu_count` will be used
- When `workers` 1, multiple processes will be used
- When `workers` == 1,
On Mon, Apr 28, 2014 at 3:07 PM, Mike Miller python-...@mgmiller.net wrote:
On 04/29/2014 05:12 AM, Steve Dower wrote:
This would be an incredibly painful change that would surprise and hurt a
lot of
people.
Hi, I think incredibly painful is overstating the case a bit. ;) We're
talking
Hi,
Those bugs were fixed 9 years ago or so around 2005. I use python in
ProgramFiles every day without issue. If another bug has crept in somewhere, it
can be fixed.
-Mike
--
From: Sturla Molden sturla.mol...@gmail.com
To: python-dev@python.org
Subject: Re:
Hi, note the pep, it makes allowances for security enhancements.
-Mike
Message: 5 Date: Mon, 28 Apr 2014 20:23:12 +0200
From: Antoine Pitrou solip...@pitrou.net
To: python-dev@python.org Subject:
Re: [Python-Dev] Python 2.7.7. on Windows
Message-ID: 20140428202312.6903d62a@fsol
On 04/29/2014 08:38 AM, Brian Curtin wrote:
The option to add the current install to your path was added 3.3.
Ok, thanks. So there is some precedent it would be useful.
Remember, python-dev's are not the target users of this package, and are a
rather minuscule fraction of the user base.
On Mon Apr 28 2014 at 4:58:35 PM, Mike Miller python-...@mgmiller.net
wrote:
Hi, note the pep, it makes allowances for security enhancements.
The PEP in question is about fixing fundamentally broken security issues in
Python 2.7 (e.g. updating OpenSSL). Tweaking where Python is installed by
On 4/28/2014 4:24 PM, Claudiu Popa wrote:
This issue raised too much bikeshedding. To wrap it up, I'll modify
the patch with the following:
- processes renamed to workers
- `workers` defaults to 1
- When `workers` is equal to 0, then `os.cpu_count` will be used
- When `workers` 1, multiple
On 4/28/2014 2:12 PM, Chris Barker wrote:
I don't think anyone should write code with variable width fonts,
The problem is that fixed pitch does not work well for even a half-way
complete unicode font and I don't know that there are any available. As
far as I know, my Windows 7 only came
On 4/28/2014 5:01 PM, Brett Cannon wrote:
On Mon Apr 28 2014 at 4:58:35 PM, Mike Miller python-...@mgmiller.net
mailto:python-...@mgmiller.net wrote:
Hi, note the pep, it makes allowances for security enhancements.
The PEP in question is about fixing fundamentally broken security issues
On Mon, 28 Apr 2014 23:24:16 +0300, Claudiu Popa pcmantic...@gmail.com wrote:
- Will raise NotImplementedError if multiprocessing can't be used
(when `workers` equals to 0 or 1)
I think the most common use case for this ability will be run with
the appropriate number of processes for the
On Mon, 28 Apr 2014 18:01:32 -0400, Terry Reedy tjre...@udel.edu wrote:
On 4/28/2014 2:12 PM, Chris Barker wrote:
I don't think anyone should write code with variable width fonts,
The problem is that fixed pitch does not work well for even a half-way
complete unicode font and I don't
On Mon, Apr 28, 2014 at 3:01 PM, Terry Reedy tjre...@udel.edu wrote:
I don't think anyone should write code with variable width fonts,
The problem is that fixed pitch does not work well for even a half-way
complete unicode font and I don't know that there are any available.
...
Given that
On 4/28/2014 7:13 PM, Chris Barker wrote:
On Mon, Apr 28, 2014 at 3:01 PM, Terry Reedy tjre...@udel.edu
mailto:tjre...@udel.edu wrote:
I don't think anyone should write code with variable width fonts,
The problem is that fixed pitch does not work well for even a
half-way
On Mon, Apr 28, 2014 at 1:56 PM, Mike Miller python-...@mgmiller.netwrote:
* watch Dave Beazley's PyCon 2014 talk for a good story involving one
of those manufacturer installed Pythons:
https://www.youtube.com/watch?v=RZ4Sn-Y7AP8
Thanks, I'm trying to get thru all the talk will watch that
Hello,
On Mon, 28 Apr 2014 12:08:40 -0700
Guido van Rossum gu...@python.org wrote:
[]
How is compatible layout defined? Or layout for that matter at
all?
The layout is what the C struct defining the object looks like. These
are typically defined in headers in the Include directory
Mike Miller wrote:
On 04/29/2014 05:12 AM, Steve Dower wrote:
This would be an incredibly painful change that would surprise and
hurt a lot of people.
Hi, I think incredibly painful is overstating the case a bit. ;) We're
talking
about an installer default, a setting that would still be
On Mon, Apr 28, 2014 at 7:04 PM, Steve Dower steve.do...@microsoft.com wrote:
Mike Miller wrote:
On 04/29/2014 05:12 AM, Steve Dower wrote:
This would be an incredibly painful change that would surprise and
hurt a lot of people.
Hi, I think incredibly painful is overstating the case a bit.
On Mon, Apr 28, 2014, at 17:14, Brian Curtin wrote:
If it's an acceptable change to the release manager (Benjamin?), and
if there's actually time before the RC (I don't know when it is
planned), I am willing to backport my 3.3 change to get this in the
2.7 installer.
That's fine.
However,
R. David Murray writes:
My unix fix-width terminal font handles most unicode (even a lot of
non-bmp stuff...though I have no idea if it is readable :).
Oh, I bet you do. With a true fixed-width Unicode font, it's the
*Latin-character* text that's painful, if not unreadable, because the
On Mon, Apr 28, 2014 at 11:12 AM, Chris Barker wrote:
not really -- it allows it:
# Aligned with opening delimiter.
foo = long_function_name(var_one, var_two,
var_three, var_four)
but all the examples have more than one variable per line...my point is
Mike Miller writes:
Microsoft's guidelines on where to install software are clear, and
don't make exceptions that tools should be installed to the root
of the drive to bypass file system permissions, for convenience.
But there's the rub. In this case, Microsoft doesn't have *security*,
it
Hello,
I was surprised to find the following in bytesobject.c:
,
| [...]
|As always, an extra byte is allocated for a trailing \0 byte (newsize
|does *not* include that), and a trailing \0 byte is stored.
| */
|
| int
| _PyBytes_Resize(PyObject **pv, Py_ssize_t newsize)
| {
| [...]
On Tue, Apr 29, 2014 at 12:07:00PM +0900, Stephen J. Turnbull wrote:
Mike Miller writes:
Microsoft's guidelines on where to install software are clear, and
don't make exceptions that tools should be installed to the root
of the drive to bypass file system permissions, for convenience.
On 4/28/2014 8:52 PM, Steven D'Aprano wrote:
I think that's unfair. I'm not a MS fan, not even close. I think their
business practices in the past have been reprehensible. But if there is
anyone who takes backwards-compatibility even more seriously than
Python-Dev, it is them.
I guess there is
It is to improve the experience of passing bytes to a C function that
expects a trailing \0. For example syscalls taking filenames. The wrapper
must still check for embedded \0 but the bytes don't need to be copied.
On Monday, April 28, 2014, Nikolaus Rath nikol...@rath.org wrote:
Hello,
I
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