Hi list,
Python documentation on Extending Python with C or C++ says [1]:
When modules are used as shared libraries, however, the symbols defined
in one module may not be visible to another module.
Suppose I have an extension module that call functions provided by a shared
library, for
patrick vrijlandt patrick.vrijla...@gmail.com writes:
Thanks. Do you all agree that Mercurial is the way to go, or is there
another distributed version control system that I should shortlist?
My vote is for Bazaar URL:http://bazaar.canonical.com/ for its
excellent user interface and workflow
Am 30.10.2013 19:38, schrieb Ulrich Goebel:
Hello,
for a SQLite database I would like to prepare a collating function in
python. It has to compare two (unicode-)strings s, t and should return
-1 if st, 0 if s=t and 1 if st.
The strings are german names/words, and what I would like is to
Op 30-10-13 21:02, patrick vrijlandt schreef:
Chris Angelico ros...@gmail.com wrote:
On Wed, Oct 30, 2013 at 3:33 PM, Ben Finney ben+pyt...@benfinney.id.au
wrote:
Chris Angelico ros...@gmail.com writes:
*Definitely* use source control.
+1, but prefer to call it a “version control system”
On 10/30/13 3:59 PM, Antoon Pardon wrote:
Op 30-10-13 20:13, jonas.thornv...@gmail.com schreef:
Den onsdagen den 30:e oktober 2013 kl. 20:05:07 UTC+1 skrev Mark
Lawrence:
On 30/10/2013 18:43, jonas.thornv...@gmail.com wrote:
And ***that is not by having every stupid anal monkey sitting
On Wednesday 30 October 2013 16:29:12 jonas.thornv...@gmail.com did opine:
Den onsdagen den 30:e oktober 2013 kl. 20:46:57 UTC+1 skrev Modulok:
On Wed, Oct 30, 2013 at 12:21 PM, jonas.t...@gmail.com wrote:
I am searching for the program or algorithm that makes the best
possible
On 30/10/2013 20:52, Antoon Pardon wrote:
Op 30-10-13 21:02, patrick vrijlandt schreef:
Chris Angelico ros...@gmail.com wrote:
On Wed, Oct 30, 2013 at 3:33 PM, Ben Finney ben+pyt...@benfinney.id.au wrote:
Chris Angelico ros...@gmail.com writes:
*Definitely* use source control.
+1, but
patrick vrijlandt patrick.vrijla...@gmail.com writes:
Thanks. Do you all agree that Mercurial is the way to go, or is there
another distributed version control system that I should shortlist?
git is popular too. In the long run it's probably worth getting
experience with both.
--
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple keyword argument for value
I understand when this error comes up - if I had a function definition like
below
In 3c5cfc8d-885e-439d-8e66-5c7630e00...@googlegroups.com
kavithabhaskaran2...@gmail.com writes:
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple keyword
On 2013-10-30, jonas.thornv...@gmail.com jonas.thornv...@gmail.com wrote:
I am searching for the program or algorithm that makes the best
possible of completly (diffused data/random noise) and wonder what
the state of art compression is.
[...]
It is of course lossless compression i am
On 2013-10-30, Mark Lawrence breamore...@yahoo.co.uk wrote:
On 30/10/2013 20:52, Antoon Pardon wrote:
So start a small project and try to use a number of them simultaneously
and then decide which feels more natural to you.
And if the worst comes to the worst there's always Visual Source
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple keyword argument for value
I dont follow why I get it when the number of arguments I
On Wed, Oct 30, 2013 at 11:21 AM, jonas.thornv...@gmail.com wrote:
I am searching for the program or algorithm that makes the best possible of
completly (diffused data/random noise) and wonder what the state of art
compression is.
Is this an April Fool's Joke? A key idea of completely
On 30 October 2013 19:18, Mark Lawrence breamore...@yahoo.co.uk wrote:
On 30/10/2013 19:01, jonas.thornv...@gmail.com wrote:
And your still a stupid monkey i dare you to go test your IQ.
It's you're as in you are and not your as in belongs to me.
I have no intention of getting my IQ tested,
On Thu, Oct 31, 2013 at 8:10 AM, kavithabhaskaran2...@gmail.com wrote:
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple keyword argument for value
Cut your
On Thu, Oct 31, 2013 at 7:19 AM, Tim Delaney
timothy.c.dela...@gmail.com wrote:
What it comes down to for me is that Mercurial usage fits in my head and I
rarely have to go to the docs, whereas with Git I have to constantly go to
the docs for anything but the most trivial usage - even when it's
On 30/10/2013 21:10, kavithabhaskaran2...@gmail.com wrote:
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple keyword argument for value
I understand when this
Op 30-10-13 21:52, Ned Batchelder schreef:
On 10/30/13 3:59 PM, Antoon Pardon wrote:
Op 30-10-13 20:13, jonas.thornv...@gmail.com schreef:
No it isn't...
The programmers of the tools on either of side will have to adapt.
I wish it would be Google but it could be a database problem, but what
On 31 October 2013 08:31, Chris Angelico ros...@gmail.com wrote:
On Thu, Oct 31, 2013 at 7:19 AM, Tim Delaney
timothy.c.dela...@gmail.com wrote:
What it comes down to for me is that Mercurial usage fits in my head and
I
rarely have to go to the docs, whereas with Git I have to constantly
In article mailman.1272.1382221693.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
On Sun, Oct 20, 2013 at 3:22 AM, rusi rustompm...@gmail.com wrote:
The problem is that python is an imperative language and uses the '=' sign
for assignment. In math of course
'=' stands
On 31 October 2013 08:43, Tim Delaney timothy.c.dela...@gmail.com wrote:
On 31 October 2013 08:31, Chris Angelico ros...@gmail.com wrote:
On Thu, Oct 31, 2013 at 7:19 AM, Tim Delaney
timothy.c.dela...@gmail.com wrote:
What it comes down to for me is that Mercurial usage fits in my head
and
On 30/10/2013 21:30, Joshua Landau wrote:
On 30 October 2013 19:18, Mark Lawrence breamore...@yahoo.co.uk wrote:
On 30/10/2013 19:01, jonas.thornv...@gmail.com wrote:
And your still a stupid monkey i dare you to go test your IQ.
It's you're as in you are and not your as in belongs to me.
I
On Wednesday, October 30, 2013 2:34:19 PM UTC-7, Mark Lawrence wrote:
On 30/10/2013 21:10,
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the error search() got multiple
On 10/30/2013 12:08 PM, wxjmfa...@gmail.com wrote:
From a unicode perspective.
Unicode.org knows, these chars a very important, that's
the reason why they exist in two forms, precomposed and
composed forms.
Only some chars have both forms. I believe the precomposed forms are
partly a
On Wednesday, October 30, 2013 2:50:03 PM UTC-7, KR wrote:
On Wednesday, October 30, 2013 2:34:19 PM UTC-7, Mark Lawrence wrote:
On 30/10/2013 21:10,
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) -
On 30/10/2013 21:50, KR wrote:
On Wednesday, October 30, 2013 2:34:19 PM UTC-7, Mark Lawrence wrote:
On 30/10/2013 21:10,
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start, stop=stop,GUI=True) - function call
I get the
On 30/10/2013 21:56, KR wrote:
On Wednesday, October 30, 2013 2:50:03 PM UTC-7, KR wrote:
On Wednesday, October 30, 2013 2:34:19 PM UTC-7, Mark Lawrence wrote:
On 30/10/2013 21:10,
search(lane,value=None,start=105,stop=115,GUI=True) - function definition
search(lane,value=value,start=start,
On 2013-10-30 21:30, Joshua Landau wrote:
started talking about compressing *random data*
If it's truly random bytes, as long as you don't need *the same*
random data, you can compress it quite easily. Lossy compression is
acceptable for images, so why not random files? :-)
import os
In article mailman.1821.1383156703.18130.python-l...@python.org,
Michael Torrie torr...@gmail.com wrote:
On 10/30/2013 10:08 AM, wxjmfa...@gmail.com wrote:
My comment had nothing to do with Python, it was a
general comment. A diacritical mark just makes a letter
a different letter; a ï
On Thu, Oct 31, 2013 at 10:01 AM, Tim Chase
python.l...@tim.thechases.com wrote:
On 2013-10-30 21:30, Joshua Landau wrote:
started talking about compressing *random data*
If it's truly random bytes, as long as you don't need *the same*
random data, you can compress it quite easily. Lossy
On Thu, Oct 31, 2013 at 8:43 AM, Albert van der Horst
alb...@spenarnc.xs4all.nl wrote:
In article mailman.1272.1382221693.18130.python-l...@python.org,
Chris Angelico ros...@gmail.com wrote:
Pascal tried to create a new operator, := to be read becomes...
This suggests that Pascal went against
On 10/30/2013 04:22 AM, Steven D'Aprano wrote:
On Tue, 29 Oct 2013 13:00:07 -0700, rurpy wrote:
On Tuesday, October 29, 2013 8:08:16 AM UTC-6, Steven D'Aprano wrote:
On Tue, 29 Oct 2013 12:37:36 +0100, Skybuck Flying wrote:
[...]
Skybuck, please excuse my question, but have you ever done any
On 10/29/2013 12:22 AM, Chris Angelico wrote:
On Tue, Oct 29, 2013 at 3:03 PM, ru...@yahoo.com wrote:
Regarding esr's smart-questions, although I acknowledge
it has useful advice, I have always found it elitist and
abrasive. I wish someone would rewrite it without the
we are gods attitude.
On 30/10/2013 12:31, jonas.thornv...@gmail.com wrote:
No that is not my problem, apparently so it is that the newsreader
constructors do not like the competition of Google groups otherwise they
would had written the five lines of codes necessary to remove the empty
linebreaks.
I like
On 30/10/2013 14:21, jonas.thornv...@gmail.com wrote:
I am searching for the program or algorithm that makes the best possible of
completly (diffused data/random noise) and wonder what the state of art
compression is.
I understand this is not the correct forum but since i think i have an
On Thu, Oct 31, 2013 at 1:53 PM, ru...@yahoo.com wrote:
Your hierarchy is particularly unappealing to me. We all
know that such hierarchies exist in the real world, but
there is a question: should they be promoted as a natural
and desirable state of society to be encouraged?
There are
On Thursday, October 31, 2013 12:56:49 AM UTC+8, rusi wrote:
Well it seems that we are considerably closer to a solution to the GG
double-spaced crap problem.
Just wondering if someone can suggest a cleanup of the regexp part
Currently I have (elisp)
(defun clean-gg ()
New submission from Blaise Gassend:
The documentation for heapq.heapify indicates that it runs in linear time. I
believe that this is incorrect, and that it runs in worst case n * log(n) time.
I checked the implementation, and there are indeed n _siftup operations, which
each appear to be
Raymond Hettinger added the comment:
Graham, do we have a contributor agreement from you?
--
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Graham Dumpleton added the comment:
I don't believe so.
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New submission from Nitin Kumar:
Mathematically python is not giving correct output for integer division for
negative number, e.g. : -7//2= -3 but python is giving output -4.
--
components: IDLE
files: Integer_division.py
messages: 201715
nosy: Nitin.Kumar
priority: normal
severity:
Changes by Raymond Hettinger raymond.hettin...@gmail.com:
--
assignee: docs@python - rhettinger
nosy: +rhettinger
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Changes by Nitin Kumar nitinkumar@gmail.com:
Removed file: http://bugs.python.org/file32420/Integer_division.py
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Changes by Nitin Kumar nitinkumar@gmail.com:
Added file: http://bugs.python.org/file32421/Integer_division.py
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Georg Brandl added the comment:
Hi Nitin,
a // b is defined as the floor division operation, same as what math.floor(a
/ b) gives: the largest integer = a / b.
-7/2 is -3.5, the largest integer = -3.5 is -4.
--
nosy: +georg.brandl
resolution: - invalid
status: open - closed
Raymond Hettinger added the comment:
The run time is O(n) because the heapify algorithm runs bottom-to-top so most
of the n//2 sift operations are working on very short heaps (i.e. half of them
are at depth 1, a quarter of them are at depth 2, one eight at depth 3, etc).
Please take a look
Changes by Antoine Pitrou pit...@free.fr:
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Christian Heimes added the comment:
Can you suggest a documentation update?
--
assignee: - docs@python
components: +Documentation -Library (Lib)
nosy: +christian.heimes, docs@python
stage: - needs patch
versions: +Python 3.2
___
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Nitin Kumar added the comment:
Hi Georg,
Is there any operator for integer division in python?
On Wed, Oct 30, 2013 at 1:00 PM, Georg Brandl rep...@bugs.python.orgwrote:
Georg Brandl added the comment:
Hi Nitin,
a // b is defined as the floor division operation, same as what
STINNER Victor added the comment:
the file descriptor that mmap.mmap() allocates is not set to close-on-exec
In Python 3.4, the file descriptor is now non-inheritable, as a side effect of
the PEP 446.
http://www.python.org/dev/peps/pep-0446/
--
versions: +Python 3.3, Python 3.4
Changes by STINNER Victor victor.stin...@gmail.com:
--
nosy: +neologix
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New submission from Bohuslav Slavek Kabrda:
If py_compile.compile is used on a file with bad encoding (e.g.
Lib/test/bad_coding2.py), the function raises even if doraise=False is passed.
I'm attaching a patch that fixes this in 3.3 - I haven't tried on 3.4 yet and
the code has changed, so I'm
Robert Merrill added the comment:
I'm adding Library again because I think the current behavior is a bug and
should be fixed in the 2.7 tree. Perhaps the documentation in older versions
should be updated
mmap.mmap should always set the FD_CLOEXEC flag on the descriptor that it gets
from
STINNER Victor added the comment:
py_compile.compile() has been modified in Python 3.4. The encoding is now
detected in the try/except block.
You should write a unit test for your patch.
http://docs.python.org/devguide/runtests.html#writing
--
nosy: +haypo
New submission from Christian Heimes:
For #17134 I need a decent way to map OIDs to human readable strings and vice
versa. OpenSSL has a couple of method for the task, e.g.
http://www.openssl.org/docs/crypto/OBJ_nid2obj.html
The patch implements three ways to lookup NID, SN, LN and OID: by
Bohuslav Slavek Kabrda added the comment:
Ok, I'm attaching a patch for 3.3 with a test case included.
--
Added file:
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Robert Merrill added the comment:
Sorry, I correct my earlier statement: even if the fd you pass to mmap.mmap()
is set to FD_CLOEXEC, the dup'd fd /will not be/
So this is a REALLY bad bug because users cannot workaround it except by just
not using mmap
--
New submission from Tomas Grahn:
When csv.DictWriter.writerow is fed a dict with extra fieldnames (and
extrasaction='raise') and any of those extra fieldnames aren't strings, a
TypeError-exception is thrown. To fix the issue; in csv.py, edit the line:
raise ValueError(dict contains fields not
New submission from Marc Schlaich:
My System:
$ python
Python 2.7.5 (default, May 15 2013, 22:43:36) [MSC v.1500 32 bit (Intel)] on
win32
Type help, copyright, credits or license for more information.
import sqlite3
sqlite3.version
'2.6.0'
sqlite3.sqlite_version
'3.6.21'
Test Script:
Marc Schlaich added the comment:
Ok, these issues were probably due to the shipped version of PyGTK (which is
used as event scheduler). Since I built my own Python and own PyGTK everything
looks fine.
--
resolution: - invalid
status: open - closed
New submission from Daniele Sluijters:
Python 2's urlparse.urlparse() and Python 3's urllib.parse.urlparse() accept
URI/URL's with underscores in the host/domain/subdomain. I believe this
behaviour to be incorrect.
A distinction needs to be made between DNS names and Uniform Resource Locators
STINNER Victor added the comment:
It works for me on Linux 64-bit:
$ python
Python 2.7.3 (default, Aug 9 2012, 17:23:57)
[GCC 4.7.1 20120720 (Red Hat 4.7.1-5)] on linux2
Type help, copyright, credits or license for more information.
d, i = {}, 0
while (i 1000):
... n = i + 1
...
R. David Murray added the comment:
I would argue that the TypeError is correct (field names must be strings), even
though the way it is generated is a bit unorthodox :)
Let's see what others think.
--
nosy: +r.david.murray
___
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R. David Murray added the comment:
Rereading my post I disagree with myself. ValueError is probably better in
this context (the difference between ValueError and TypeError is a bit grey,
and Python is not necessarily completely consistent about it.)
--
New submission from Peter Harris:
Documentation on python website says:
xml.etree.ElementTree.iterparse(source, events=None, parser=None)
Parses an XML section into an element tree incrementally, and reports what’s
going on to the user. source is a filename or file object containing XML
Tomas Grahn added the comment:
If non-string field names aren't allowed then shouldn't they be caught at an
earlier stage, rather then when the user feeds writerow a dict with an
unexpected key?
But why should the field names have to be strings in the first place?
Everything else is passed
R. David Murray added the comment:
Python often defaults to the practical over the strictly-conforming (unless
there is a 'strict' flag :) We generally follow the lead of the browsers in
implementing our web related modules.
The situation here appears to be a real mess. Here's an
Nick Coghlan added the comment:
Alternative (more sensible) option - leave the packaging user guide hosted on
ReadTheDocs, and if we decide to add a python.org subdomain for it later, that
won't break any existing links.
--
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R. David Murray added the comment:
But why should the field names have to be strings in the first place?
Everything else is passed through str before being written anyway...
Good point.
--
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Ethan Furman added the comment:
Do we currently have any data structures in Python, either built-in or in the
stdlib, that aren't documented as raising RuntimeError if the size changes
during iteration? list, dict, set, and defaultdict all behave this way.
If not, I think OrderedDict should
Brett Cannon added the comment:
Fine with fixing it, but in context of PEP 451, not 3.3.
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Vajrasky Kok added the comment:
Here is the preliminary patch to fix the problem. My patch produces 8bit for
msg.as_string and msg.as_bytes for simplicity reason.
If msg.as_string should gives content-transfer-encoding 7bit with 8bit data but
msg.as_bytes should gives
Armin Rigo added the comment:
'list' doesn't, precisely.
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Ethan Furman added the comment:
Ah, right you are: list just acts wierd. ;)
So the question then becomes is OrderedDict more like a list or more like a
dict?
It seems to me that OrderedDict is more like a dict.
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Blaise Gassend added the comment:
I stand corrected. Sorry for the noise.
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Nikolaus Rath added the comment:
I agree that OrderedDict is more a dict than a list, but it is not clear to me
why this means that it cannot extend a dict's functionality in that respect.
OrderedDict already adds functionality to dict (preserving the order), so why
shouldn't it also allow
Stefan Behnel added the comment:
How about actually allowing a list in addition to a tuple? And, in fact, any
sequence? I can't see a reason not to.
For reference, lxml only expects it to be either None or an iterable.
Essentially, I consider it more of a set-like filter, since the linear
Roundup Robot added the comment:
New changeset e4fe8fcaef0d by Benjamin Peterson in branch '2.7':
use the collapsed path in the run_cgi method (closes #19435)
http://hg.python.org/cpython/rev/e4fe8fcaef0d
New changeset b1ddcb220a7f by Benjamin Peterson in branch '3.1':
use the collapsed path in
Mark Richman added the comment:
I had to do `sudo sh ./patch_readline_issue_18458.sh` or the patch script
itself would cause Python to crash.
After applying this patch, I got the following output, and the problem is still
*not* solved for me:
-- running on OS X 10.9
-- 2.7 does not need to
Zachary Ware added the comment:
Adding to Vajrasky's report, the same commit also adds 3 warnings when building
on Windows:
..\Objects\unicodeobject.c(10588): warning C4018: '' : signed/unsigned
mismatch [P:\Projects\OSS\Python\cpython\PCbuild\pythoncore.vcxproj]
New submission from David Evans:
The pager functions used by help() in StdLib's pydoc.py don't detect IronPython
correctly and the result is a lack of functionality or in some cases a hang.
This is similar to issue 8110 in that the code attempts to detect windows with
a check for win32 from
Ethan Furman added the comment:
The further from dict it goes, the more there is to remember. Considering the
work around is so simple, I just don't think it's worth it:
for key in list(ordered_dict):
if some_condition:
del ordered_dict[key]
A simple list around the
Roundup Robot added the comment:
New changeset 52ec6a3eeda5 by Victor Stinner in branch 'default':
Issue #19424: Fix a compiler warning
http://hg.python.org/cpython/rev/52ec6a3eeda5
--
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Daniele Sluijters added the comment:
The link you mention only deals with the DNS side of things, this issue is
specifically not about that, it's about the URI/URL side of things which is a
very important distinction in this case.
I'm also not entirely sure I agree with the sentiment of it's
R. David Murray added the comment:
Yes, I said that link only dealt with the DNS side of things...where there are
also incompatibilities.
I don't think that strictly adhering to the URI RFCs would clear things up.
What about those domains that have _s and want to run web services on them?
Charles-François Natali added the comment:
I agree this should be fixed.
Robert, want to submit a patch?
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Peter Harris added the comment:
Yeah it would make sense to accept any iterable, but I'm only proposing a
documentation fix not a feature enhancement.
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Nikolaus Rath added the comment:
The workaround is trivial, but there is no technical necessity for it, and it
involves copying the entire dict into a list purely for.. what exactly? I guess
I do not understand the drawback of allowing changes. What is wrong with
for key in ordered_dict:
Nikolaus Rath added the comment:
Ethan: when you say ..the more there is to remember, what exactly do you
mean? I can see that it is important to remember that you're *not allowed* to
make changes during iteration for a regular dict. But is there really a
significant cognitive burden if it
anatoly techtonik added the comment:
I think we are talking about double standards.
Why the .xz and .txz are worthy including in 2.7.5 and .svg is not? See issue
#16316.
http://bugs.python.org/issue15207 will break a lot of this stuff anyway, so I
hope it will fix the issue.
--
Guido van Rossum added the comment:
LGTM. Commit!
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Guido van Rossum added the comment:
(Adding CF's new patch so I can compare and review it.)
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New submission from anatoly techtonik:
As a followup to issue19377 it would be nice if devguide contained a paragraph
to resolve the conflicting point provided by http://bugs.python.org/msg187373
and http://bugs.python.org/msg201141 arguments.
--
assignee: docs@python
components:
Ethan Furman added the comment:
Firstly, you're not copying the entire dict, just its keys. [1]
Secondly, you're only copying the keys when you'll be adding/deleting keys from
the dict.
Thirdly, using the list idiom means you can use OrderedDicts, defaultdicts,
dicts, sets, and most likely
anatoly techtonik added the comment:
Added issue19454 to settle this down.
--
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Roundup Robot added the comment:
New changeset 7097b5c39db0 by Victor Stinner in branch 'default':
Issue #19437: Fix os.statvfs(), handle errors
http://hg.python.org/cpython/rev/7097b5c39db0
New changeset b49f9aa12dae by Victor Stinner in branch 'default':
Issue #19437: Fix select.epoll.poll(),
Ethan Furman added the comment:
Nikolaus, in reply to your question about more to remember:
Even though I may not use it myself, if it is allowed then at some point I will
see it in code; when that happens the sequence of events is something like:
1) hey, that won't work
2) oh, wait, is
Milton Mobley added the comment:
I followed the suggestion of email responders to use xrange instead of while,
and observed that 32-bit Suse Linux got past 44,000,000 adds before exiting
with Memory Error, while 64-bit Windows 7 slowed down markedly after
22,000,000 adds and was unusable
Antoine Pitrou added the comment:
But in my opinion Python should be able to detect failure to complete an
allocation request on Windows
Which failure? You're telling us it doesn't fail, it just becomes slow.
(by the way, have you checked whether your machine is swapping when that
happens?)
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