Thomas Jollans wrote:
On Wednesday 22 September 2010, it occurred to OKB (not okblacke)
to exclaim:
I'm looking for an audio library for Python. I googled
and found a
few, but none of them seem to have a simple way to play a
particular sound file from a particular
On 24 Eylül, 12:39, Peter Otten __pete...@web.de wrote:
deluxstar wrote:
We have an application working on several servers generally written
with Python 2.6 and Twisted 10.
The source codes are located in one server and compiled in this
server. The compiled files are copied to other
Hi,
I noticed that in python3k, multiplying a sequence by a negative integer is the
same as multiplying it by 0, and the result is an empty sequence. It seems to
me that there is a more meaningful symantics.
Simply put, a sequence multiplied by -1 can give a reversed sequence.
Then for any
On Sat, 25 Sep 2010 00:53:13 -0700, deluxstar wrote:
The traceback is:
2010-09-25 10:50:38+0300 [-] Traceback (most recent call last):
2010-09-25 10:50:38+0300 [-] File ../appsrv/lqcommon.py, line 983,
in getPRMS
2010-09-25 10:50:38+0300 [-] File /usr/lib/python2.6/inspect.py,
line 931,
On Samstag 25 September 2010, Steven D'Aprano wrote:
My guess is that you've copied the .pyc file onto the server,
BUT there is also an older version of the .py file there as
well. Because the modification date is older than that of the
.pyc file, Python executes the compiled code from the
On Saturday 25 September 2010, it occurred to Dsrt Egle to exclaim:
Thanks for your reply, Ben. Actually I have the paths C:\Python25;C:
\Python25\Scripts in the %PATH% variable, and the %PYTHONPATH% has
the following:
[...]
Looking at the file
On Saturday 25 September 2010, it occurred to Yingjie Lan to exclaim:
Hi,
I noticed that in python3k, multiplying a sequence by a negative integer is
the same as multiplying it by 0, and the result is an empty sequence. It
seems to me that there is a more meaningful symantics.
Um...
for
--- On Sat, 9/25/10, Thomas Jollans tho...@jollybox.de wrote:
for every list l and integer n = 0:
len(l*n) == len(l)*n
Well, this invariance is indeed broken under my proposal.
But it is *already broken* in current python3k.
However, the following invariance is maintained under
my proposal:
On Fri, 24 Sep 2010 19:28:45 +0200, Thomas Jollans wrote:
If you're using UNIX, and you don't actually need the stream to be
passed via the hard drive (why would you?), but for some reason want to
use the file system, look info UNIX/local sockets. But, really, I'm
guessing that local TCP
On Saturday 25 September 2010, it occurred to Nobody to exclaim:
On Fri, 24 Sep 2010 19:28:45 +0200, Thomas Jollans wrote:
If you're using UNIX, and you don't actually need the stream to be
passed via the hard drive (why would you?), but for some reason want to
use the file system, look
Hi,
On 2010-09-25 14:11, Yingjie Lan wrote:
Having more than one way of doing things sometimes is good.
In my opinion this _isn't_ a situation where it's good. :)
L[::-1]
is only marginally longer than
-1 * L
I think this small gain doesn't justify violating this
Python Zen rule
Hi,
In my opinion this _isn't_ a situation where it's good. :)
L[::-1]
is only marginally longer than
-1 * L
I think this small gain doesn't justify violating this
Python Zen rule (from `import this`):
There should be one-- and preferably only one
--obvious way to
Hi,
I am teaching Python this semester and
as I am trying to explain the code by
Raymond Hettinger, I need to make it
simpler (this is an introductory course).
And it ends up to be just 9 lines of code.
Just for fun. See also:
http://diveintopython3.org/advanced-iterators.html
Regards,
Hi,
On 2010-09-25 15:54, Yingjie Lan wrote:
The first one is simpler (4 chars v.s. 9 chars).
One thing is whether a certain form is shorter, another
thing to take into account is how often you need the
functionality.
I thought it was also intuitive because if you multiply
a vector by -1, you
Stefan Schwarzer wrote:
On 2010-09-25 15:54, Yingjie Lan wrote:
The first one is simpler (4 chars v.s. 9 chars).
I thought it was also intuitive because if you multiply
a vector by -1, you should get a vector
in the reversed direction. But, intuitiveness depends
on who you are, what you do,
On 9/25/2010 3:53 AM, deluxstar wrote:
The traceback is:
2010-09-25 10:50:38+0300 [-] Traceback (most recent call last):
2010-09-25 10:50:38+0300 [-] File ../appsrv/lqcommon.py, line 983,
in getPRMS
2010-09-25 10:50:38+0300 [-] File /usr/lib/python2.6/inspect.py,
line 931, in getouterframes
On 9/25/2010 4:22 AM, Yingjie Lan wrote:
Hi,
I noticed that in python3k, multiplying a sequence by a negative
integer is the same as multiplying it by 0, and the result is an
empty sequence.
This is explicitly documented: Values of n less than 0 are treated as 0
(which yields an empty
On 9/25/2010 10:24 AM Terry Reedy said...
On 9/25/2010 4:22 AM, Yingjie Lan wrote:
I noticed that in python3k, multiplying a sequence by a negative
integer is the same as multiplying it by 0, and the result is an
empty sequence.
This is explicitly documented: Values of n less than 0 are
Just installed Python2.7 on my OSX Leopard with make altinstall.
No missing dependencies, but I have one annoying problem: the delete key
prints '^H' on the Python shell.
Does anyone know how to fix that?
Thanks in advance,
-- Jonas
--
http://mail.python.org/mailman/listinfo/python-list
On Sun, Sep 26, 2010 at 12:32 AM, Jonas Galvez jo...@codeazur.com.brwrote:
Just installed Python2.7 on my OSX Leopard with make altinstall.
No missing dependencies, but I have one annoying problem: the delete key
prints '^H' on the Python shell.
Does anyone know how to fix that?
Thanks in
Hi Terry,
On 2010-09-25 19:24, Terry Reedy wrote:
On 9/25/2010 4:22 AM, Yingjie Lan wrote:
There is already a builtin reversed() function whose output can be
multiplied.
Seemingly, it can't:
$ python
Python 2.6.5 (r265:79063, Apr 16 2010, 13:09:56)
[GCC 4.4.3] on linux2
Type help,
On 25 Sep, 09:22, Yingjie Lan lany...@yahoo.com wrote:
Hi,
I noticed that in python3k, multiplying a sequence by a negative integer is
the same as multiplying it by 0, and the result is an empty sequence. It
seems to me that there is a more meaningful symantics.
Simply put, a sequence
On Sep 20, 7:39 am, Bruno Desthuilliers bruno.
42.desthuilli...@websiteburo.invalid wrote:
Niklasro a écrit :
Good to learn what I'm doing :-) since important being able to explain
choices taken farther than doing it because it works.
I understand the concept of modules may not correspond
On Sep 21, 1:30 am, alex23 wuwe...@gmail.com wrote:
Bruno Desthuilliers bruno.42.desthuilli...@websiteburo.invalid
wrote:
alex23 a écrit :
Python only actually executes a module the first time it's imported,
Beware of multithreading and modules imported under different names...
There
On Sat, 25 Sep 2010 14:45:29 +0200, Thomas Jollans wrote:
The problem with using the loopback interface is that it's still
network access, which can run into all kinds of issues with security
policies, firewalls, etc.
What kind of crappy firewall blocks loopback traffic? Really?
The sort
On Sat, 25 Sep 2010 13:45:11 +0200, Thomas Jollans wrote:
On Saturday 25 September 2010, it occurred to Yingjie Lan to exclaim:
Hi,
I noticed that in python3k, multiplying a sequence by a negative
integer is the same as multiplying it by 0, and the result is an empty
sequence. It seems to
On Sat, 25 Sep 2010 06:54:36 -0700, Yingjie Lan wrote:
For the rule above, how about the
case to reverse and multiply:
L*-3 #L reversed and repeated three times
v.s.
L[::-1]*3 #L reversed and repeated three times
The first one is simpler (4 chars v.s. 9 chars). I thought it was also
Hi all,
Thanks for considering this proposal seriously and
all your discussions shed light on the pro's and cons
(well, more cons than pros, to be honest).
It occurrs to me that this proposal is not a sound
one, for the reasons already well documented in
this thread, which I need not repeat.
Sorry, didn't document my code well enough.
Here is the code with an example.
Yingjie
#Code begins###
from itertools import permutations
def solve(puzzle):
solve alphametic puzzles in just 9 lines of code.
Make sure each operator is seperated from the words by
here's a interesting toy list processing problem.
I have a list of lists, where each sublist is labelled by
a number. I need to collect together the contents of all sublists
sharing
the same label. So if I have the list
((0 a b) (1 c d) (2 e f) (3 g h) (1 i j) (2 k l) (4 m n) (2 o p) (4 q
r) (5
On 9/25/2010 4:45 AM, Thomas Jollans wrote:
On Saturday 25 September 2010, it occurred to Yingjie Lan to exclaim:
Hi,
I noticed that in python3k, multiplying a sequence by a negative integer is
the same as multiplying it by 0, and the result is an empty sequence. It
seems to me that there is a
On 09/25/2010 09:05 PM, Xah Lee wrote:
here's a interesting toy list processing problem.
I have a list of lists, where each sublist is labelled by
a number. I need to collect together the contents of all sublists
sharing
the same label. So if I have the list
((0 a b) (1 c d) (2 e f) (3 g h) (1
In PicoLisp:
(mapcar
'((X) (apply conc (cdr X)))
(group List) )
Cheers,
- Alex
--
http://mail.python.org/mailman/listinfo/python-list
Martin v. Löwis mar...@v.loewis.de added the comment:
Martin Lowis do you mean API when you type SDK?
When I said SDK examples, then I really meant examples as published
in the SDK, not examples as published in the API (and the SDK
documentation, in turn, is published on msdn).
But yes, the
Georg Brandl ge...@python.org added the comment:
At least not without losing generality, and we don't like that.
--
nosy: +georg.brandl
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9940
___
Georg Brandl ge...@python.org added the comment:
Sounds good to me.
--
nosy: +georg.brandl
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9941
___
Georg Brandl ge...@python.org added the comment:
My first thought is Why is the reference counter stored with the object
itself?
Because if you move the reference counter out of the object, you a) add another
indirection and b) depending on how you implement it require a certain amount
of
Geoffrey Bache gjb1...@users.sourceforge.net added the comment:
I think the unhelpful part is mostly that it does not distinguish between
argument types any more when the distinction is important in this context. In
fact, it could be argued that what it said isn't even true:
f() takes exactly
Antoine Pitrou pit...@free.fr added the comment:
Answering the question as best I can: I don't know how the reference
counter is implemented in CPython, but if it's just a field in a
struct, then madvise could be sent the memory location starting with
the byte immediately following the
Giampaolo Rodola' g.rod...@gmail.com added the comment:
Patch in attachment makes accept() return None in case no connection takes
place and modifies the doc to make this very clear, also providing an example
on how an asyncore-based server should be properly set-up .
--
versions:
Antoine Pitrou pit...@free.fr added the comment:
EAGAIN can be raised too. I never experienced this error condition
myself in pyftpdlib
From the accept() man page:
EAGAIN or EWOULDBLOCK
The socket is marked nonblocking and no connections are
present to be accepted.
Changes by Antoine Pitrou pit...@free.fr:
--
nosy: +pmoore
type: - crash
___
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http://bugs.python.org/issue9931
___
___
Changes by Antoine Pitrou pit...@free.fr:
--
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___
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Changes by Antoine Pitrou pit...@free.fr:
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Giampaolo Rodola' g.rod...@gmail.com added the comment:
I'm not convinced hiding operating system bugs is a good idea.
Do you propose to let the error raise then?
The point of frameworks such as asyncore and twisted is to hide all
system-specific errors as much as possible and provide a
Antoine Pitrou pit...@free.fr added the comment:
The point of frameworks such as asyncore and twisted is to hide all
system-specific errors as much as possible and provide a portable
interface across all platforms.
As long as these errors are reasonably explainable.
If a strange error only
Giampaolo Rodola' g.rod...@gmail.com added the comment:
As long as these errors are reasonably explainable.
If a strange error only occurs when running nmap on an OS X server,
then it might be useful for the user to know that the OS X server
isn't able to service all connections properly
Jon Anglin jang...@fortresgrand.com added the comment:
I have the long-term plan to eliminate all CRT usage from Python
on Windows. In this case, there is a straight-forward opportunity
to do so.
Oh, OK. If that is the plan then I am on board. I will re-code the patch using
the Win32 API
Jon Anglin jang...@fortresgrand.com added the comment:
Martin is correct about this patch.
In cases where we really can't propagate Py_ssize_t to (e.g.
XML_Parse), we need to check for an int overflow, and raise
an exception if it does overflow.
Is this an appropriate approach?
int
Jan-Philip Gehrcke jgehr...@gmail.com added the comment:
Sorry for the delay.
Before suggesting a doc change to correct/complete the description of the
*current* situation, we actually should consider changing this situation. I
think this is reasonable and I feel encouraged by Gabriel
New submission from Armin Ronacher armin.ronac...@active-4.com:
I found a a useless lock acquiring in the 27 maintenance branch in logging and
a missing one as well:
Logger.removeHandler() locks around a handler lock, however the code executed
in this lock is not depending on anything of that
Georg Brandl ge...@python.org added the comment:
Thanks, fixed in r85008.
--
nosy: +georg.brandl
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9944
Antoine Pitrou pit...@free.fr added the comment:
One other thought. If there is a perceived need, I would rather an
alternate approach that unifies a language a bit by letting range()
expose its arguments as a slice and modify its input to accept a slice.
This sounds like an obscure
Georg Brandl ge...@python.org added the comment:
Fixed in r85010.
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue1865
___
New submission from Georg Brandl ge...@python.org:
From logging.Logger:
def removeHandler(self, hdlr):
Remove the specified handler from this logger.
if hdlr in self.handlers:
hdlr.acquire()
try:
Georg Brandl ge...@python.org added the comment:
Dupe of #9945, sorry.
--
resolution: - duplicate
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9946
___
New submission from Armin Ronacher armin.ronac...@active-4.com:
Another case of improper locking in logging. The stopListening() method of the
logging config acquires the logging lock, but it doesn't do it early enough.
In order for this function to be thread safe it would have to lock
Kevin Hunter hunt...@earlham.edu added the comment:
Well, first, this would only work for large objects. [...]
Why do you think you might have such duplication in your workload?
Some of the projects with which I work involve multiple manipulations of large
datasets. Often, we use Python
Antoine Pitrou pit...@free.fr added the comment:
Well, first, this would only work for large objects. [...]
Why do you think you might have such duplication in your workload?
Some of the projects with which I work involve multiple manipulations
of large datasets. Often, we use Python
New submission from Armin Ronacher armin.ronac...@active-4.com:
findCaller() on loses case information on the files on Windows and has in
general a really bad performance. The attached patch does not depend on
filename comparisions and instead compares the object identity of the caller's
Changes by Armin Ronacher armin.ronac...@active-4.com:
Added file: http://bugs.python.org/file19009/find-caller.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9948
___
Changes by Armin Ronacher armin.ronac...@active-4.com:
Removed file: http://bugs.python.org/file19008/find-caller.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9948
___
New submission from Daniel Stutzbach dan...@stutzbachenterprises.com:
In Lib/ntpath.py:
# realpath is a no-op on systems without islink support
realpath = abspath
However, Windows Vista and newer support symbolic links and other Python
methods support them.
(noticed this through source code
Barry A. Warsaw ba...@python.org added the comment:
Certainly at a minimum, the docs should describe the exception and workaround
instead of just:
setlocale() is not thread safe on most systems. Applications typically start
with a call of
import locale
locale.setlocale(locale.LC_ALL,
Changes by Łukasz Langa luk...@langa.pl:
Removed file: http://bugs.python.org/file18760/issue5412.diff
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue5412
___
Łukasz Langa luk...@langa.pl added the comment:
Patch updated:
* uses collections because they are built into the executable for 3.2
* uses itertools for the same reasons
* in the end doesn't use weakrefs since after recent commits (Raymond removed
__del__ from OrderedDict) the reference
Antoine Pitrou pit...@free.fr added the comment:
And here is a patch integrating doc fixes and updates.
--
Added file: http://bugs.python.org/file19011/nntplib_cleanup7.patch
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9360
Terry J. Reedy tjre...@udel.edu added the comment:
I do not use threads so I cannot comment on the technical issue.
Since the current behavior is not clearly a bug, I do not think a change would
or know that it should be applied to 2.7/3.1. So I suggest that you both
1. Suggest a doc patch on
Charles-Francois Natali neolo...@free.fr added the comment:
Are you sure of that? I don't see how Python behaviour would be different to
a the same program written in C. Could you write a short example written in C
to prove that?
I also found this surprising, so I wroke a quick C program
Changes by Antoine Pitrou pit...@free.fr:
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Sandro Tosi sandro.t...@gmail.com added the comment:
Hello,
does the attached patch contains the expected wording?
Thanks,
Sandro
--
nosy: +sandro.tosi
Added file: http://bugs.python.org/file19013/issue9562-py3k.patch
___
Python tracker
Georg Brandl ge...@python.org added the comment:
Committed original suggestion as r85011.
--
nosy: +georg.brandl
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9562
Vinay Sajip vinay_sa...@yahoo.co.uk added the comment:
Fix checked into py3k and release27-maint branches, r85012. Thanks!
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9945
Vinay Sajip vinay_sa...@yahoo.co.uk added the comment:
Fix checked into py3k and release27-maint, r85013.
Thanks!
--
resolution: - fixed
status: open - closed
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9947
Sandro Tosi sandro.t...@gmail.com added the comment:
Hello,
I've changed the initial patch to add a CLI option ('-g/--sysflags', '-f' is
already used) to enable the echoing of sys.flags.
If you need some other changes, just ping me.
Regards,
Sandro
--
nosy: +sandro.tosi
Added file:
New submission from Antoine Pitrou pit...@free.fr:
This was introduced by r74426 which addressed issue1628205. socket.sendall()
calls PyErr_CheckSignals() (and potentially returns to the caller) without
having the GIL.
import socket
c, s = socket.socketpair()
s.sendall(bx*(100 * 1024**2))
Gösta Huldt ghu...@gmail.com added the comment:
I get the same error, but only when IDLE is run with the -n flag.
In my case, the error occurs when attempting to switch back to the IDLE gui
after executing a script that opens a graphics window (using the vtk module).
This is with Python 2.6.
Antoine Pitrou pit...@free.fr added the comment:
The fix is very simple, but perhaps a test should be added.
diff -r af0d7b32d6ce Modules/socketmodule.c
--- a/Modules/socketmodule.cFri Sep 24 20:03:12 2010 +0200
+++ b/Modules/socketmodule.cSat Sep 25 21:09:58 2010 +0200
@@ -2581,8
Antoine Pitrou pit...@free.fr added the comment:
Actually, the patch is enough to suppress the crash, but sendall() behaviour is
buggy in another way: EINTR may be received as part of the select() call (on
sockets with a timeout), in which case the loop will be exited early instead of
Antoine Pitrou pit...@free.fr added the comment:
Oh, and an additional bug is that send() can return a successful partial write
when it was actually interrupted by a signal.
--
___
Python tracker rep...@bugs.python.org
Antoine Pitrou pit...@free.fr added the comment:
Here is a patch fixing the aforementioned issues, and with tests.
--
keywords: +patch
nosy: +exarkun
Added file: http://bugs.python.org/file19015/sendallinterrupt.patch
___
Python tracker
Sandro Tosi sandro.t...@gmail.com added the comment:
Hello,
the attached patch seems to do the trick, at least on what I can verify here on
my machine. I'd appreciate a bit more of test from more experienced developers,
just to catch corner cases I didn't see.
Regards,
Sandro
--
Sandro Tosi sandro.t...@gmail.com added the comment:
Hello,
the patch applies cleanly against up-to-date py3k branch: is there anything
else to do before committing it?
Regards,
Sandro
--
nosy: +sandro.tosi
___
Python tracker rep...@bugs.python.org
Martin v. Löwis mar...@v.loewis.de added the comment:
Closing, as suggested by neologix
--
resolution: - invalid
status: open - closed
___
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http://bugs.python.org/issue8831
___
Antoine Pitrou pit...@free.fr added the comment:
The patch compiles fine under Linux, but please don't use tabs for indentation
of C files.
--
___
Python tracker rep...@bugs.python.org
http://bugs.python.org/issue9910
Gregory Nofi crackityjones200...@yahoo.com added the comment:
I'm also creating a test for mailcap (Issue 6484), which is how I found this
bug. I'll have an update to that test submitted soon once I implement
r.david.murray's helpful suggestions.
--
Michael Foord mich...@voidspace.org.uk added the comment:
The attached patch fixes the issue (I think...) by tagging the result object.
It removes the need for _wrapped_result altogether. The test fails without the
change to TestSuite and passes with the change.
This could be applied to
New submission from Arnon Yaari wiggi...@gmail.com:
Following up on these discussions:
http://psf.upfronthosting.co.za/roundup/tracker/issue3532
http://www.gossamer-threads.com/lists/python/dev/863892
I'm submitting a patch to add bytes.hex method in accordance to PEP 358.
The code was taken
Kristján Valur Jónsson krist...@ccpgames.com added the comment:
Sorry, my mistake, I work in a mixed environment. If there are no objections,
I´ll submit this (with fixed whitespace)
--
___
Python tracker rep...@bugs.python.org
Guilherme Polo ggp...@gmail.com added the comment:
Hi there,
I believe I've fixed most of these errors. But I couldn't replicate the last
error on the first message, so I guessed what could be the problem.
Could you try the patch and see how it works for you ?
(Thanks for the nosy addition,
Kevin Hunter hunt...@earlham.edu added the comment:
Why do you read it into a cStringIO? A cStringIO has the same interface
as a file, so you could simply operate on the file directly.
In that particular case, because it isn't actually a file. That workflow was
my attempt at simplification
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment:
Note that the original issue (test_tarfile failures on the Windows
buildbots) now seems fixed thanks to the various tarfile and
test_tarfile improvements.
Yes, thanks. :-)
--
___
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment:
I found workaround for this. (Probably self.deletetree is
more handful, though)
--
versions: -Python 2.6
Added file: http://bugs.python.org/file19020/py27_fix_test_winreg_long_key.patch
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment:
Sorry, my patch didn't pass test_dynamic_key(test_winreg).
(Apologize for not testing on unit test)
RegEnumValueA and RegQueryInfoKeyA always returned 0 for
required data size if target is HKEY_PERFORMANCE_DATA.
The possible
Hirokazu Yamamoto ocean-c...@m2.ccsnet.ne.jp added the comment:
I shall create unit test later.
--
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