On 29/07/2022 8:08 am, Chris Angelico wrote:
It takes a bit of time to start ten thousand threads, but after that,
the system is completely idle again until I notify them all and they
shut down.
(Interestingly, it takes four times as long to start 20,000 threads,
suggesting that something in
On 30/07/2018 4:02 PM, Станимира Николова wrote:
I run Urban network analysis but It shows similar mistake several times. The
UNA tool is free plugin that i downloaded, it's not from the default intalled
in ArcGIS packed. It ask for integer data.
I checked the type of the attributes, it's
Waddle, Jim wrote:
Is there a policy concerning getting functions like ctypes working on AIX.
If you can get it working, post a patch on the bug tracker.
--
-
Andrew I MacIntyre These thoughts are mine
Gabriel Genellina wrote:
En Mon, 09 Nov 2009 16:05:31 -0300, Eyal Gordon eyal.gor...@gmail.com
escribió:
background:
we are using python 2.4.3 on CentOS 5.3 with many threads - and our
shell's
default stack size limit is set to 10240KB (i.e. ~10MB).
we noticed that python's Threading module
Matt Ernst wrote:
{...}
I thought Evan Jones altered Python to deal with this very problem,
and the change went into the release of 2.5.
Here is Tim Peters announcing the change:
http://mail.python.org/pipermail/python-dev/2006-March/061991.html
He included this simple test program to show
C Barr Leigh wrote:
I'm trying to get started with plotting maps in python. I need to read
shape files (.shp) and make maps. There seem to be many efforts but
none is complete? I'm looking for suggestions and troubleshooting.
The basemap package is obviously at an impressive stage and comes
Konrad Hinsen wrote:
/home/shr/khinsen/tmp/Python-2.6.2/Modules/_ctypes/libffi/src/x86/ffi64.c(43):
\
error: identifier __int128_t is undefined
__int128_t sse[MAX_SSE_REGS];
^
compilation aborted for
/home/shr/khinsen/tmp/Python-2.6.2/Modules/_ctypes/libf\
fi/src/x86/ffi64.c (code 2)
David Cournapeau wrote:
Hi,
I am trying to build a 3rd party extension and link it statically to
python. I managed to get things working by customizing Setup.local in
python source tree, but I have a problem for imports of the 'foo.bar'
form. For example, let's say the 3rd party module is laid
Danny Shevitz wrote:
Howdy,
I need to do some geospatial work and am a complete newbie at this. I have
access to a PostGIS database and there are lots of MultiLineString objects.
I want to run a python algorithm that determines a group of these
MultiLineString
objects and creates a KML file of
KMCB wrote:
Hello,
I'm interested in creating a static map of a region in the US. This
map would be set into a picture format, so I can add it to a
document. I would like it to contain some town names and road
information. Then I would like to add points, based on LAT and LONG,
that can be
Greg Lindahl wrote:
I figure this is a FAQ, but I can't find it in any FAQs.
I want to limit the stacksize on my server.
If I set it to 8 megs, or unlimited, python is happy.
If I set it to 4 gigabytes, things like yum (which is a python
program) crash creating a thread. This is on an x86_64
mzdude wrote:
I need to interface with a windows DLL that has the following
signature
extern C void Foo( BSTR in, BSTR *out )
Code so far
from ctypes import *
import comtypes
LPBSTR = POINTER(comtypes.BSTR)
hdl = windll.MyDll.Foo
hdl.rettype = None
hdl.argtypes = [comtypes.BSTR, LPBSTR]
Tony May wrote:
I'm having trouble importing when I run in Python. The hello world program
passes the test during the bjam build but gives an error about loading
the dll
when I import from a python script.
first the test from running bjam.
...patience...
...found 1915 targets...
...using 1
Hank @ITGroup wrote:
In order to deal with 400 thousands texts consisting of 80 million
words, and huge sets of corpora , I have to be care about the memory
things. I need to track every word's behavior, so there needs to be as
many word-objects as words.
I am really suffering from the
David P. Riedel wrote:
I tried building Python 2.5.2 using gcc 4.3.0. The build completes with no
problems but when I run 'make test', I get a
segfault part way through the test run.
here is the last part of the output from make test
test_softspace
test_sort
test_sqlite
Miles Lubin wrote:
I am using PyArg_ParseTuple to parse the arguments (ignoring the keyword
arguments) to my initproc for a type I define.
It seems that something goes wrong inside PyArg_ParseTuple when it gets
the wrong number of arguments (my format string is OO);
if the function isn't
Yaakov Nemoy wrote:
A couple of developers have mentioned that python might be fragmenting
its memory space, and is unable to free up those pages. How can I go
about testing for this, and are there any known problems like this?
If not, what else can I do to look for leaks?
Marc-Andre
Carl K wrote:
Andrew MacIntyre wrote:
Grant Edwards wrote:
On 2007-12-24, Carl K [EMAIL PROTECTED] wrote:
If it is a multi page pdf Imagemagick will do:
convert file.pdf page-%03d.png
I need python code to do this. It is going to be run on a
someone else's shared host web server
malkarouri wrote:
Is it possible to write a Python extension that uses the Boehm garbage
collector?
I have a C library written that makes use of boehm-gc for memory
management. To use that, I have to call GC_INIT() at the start of the
program that uses the library. Now I want to encapsulate
Grant Edwards wrote:
On 2007-12-24, Carl K [EMAIL PROTECTED] wrote:
If it is a multi page pdf Imagemagick will do:
convert file.pdf page-%03d.png
I need python code to do this. It is going to be run on a
someone else's shared host web server, security and
performance is an issue. So I
oyster wrote:
For the word Pure, I mean it is not a C/C++/Z++.. extension, so that
we can use it under pythons of different version. Is it possible?
I don't like to update the module for different python and the module
Currently, I am writing the interface to
[EMAIL PROTECTED] wrote:
Using the same file with cElementTree took me 217 Mb, with no
unreachable object.
For me it's not a good behavior, it's not a good way to let the system
swap this unused memory instead of freeing it.
I think it's a really good idea to have a memory pool for
Mathias Waack wrote:
Andrew MacIntyre wrote:
Mathias Waack wrote:
After switching my development environment to 64 bit I've got a
problem with a python extension for a 32 bit application.
{...}
Ok, thats fine. So why is python complaining? Or even more
interesting, what do I have to do
Mathias Waack wrote:
After switching my development environment to 64 bit I've got a problem with
a python extension for a 32 bit application.
{...}
Ok, thats fine. So why is python complaining? Or even more interesting, what
do I have to do to compile the code?
Is the Python your toolchain
Chris Mellon wrote:
On 22 Feb 2007 11:28:52 -0800, Andy Watson [EMAIL PROTECTED] wrote:
On Feb 22, 10:53 am, a bunch of folks wrote:
Memory is basically free.
This is true if you are simply scanning a file into memory. However,
I'm storing the contents in some in-memory data structures and
Dejan Rodiger wrote:
Jeremy said the following on 16.1.2007 8:27:
I have a fat C++ extension to a Python 2.3.4 program. In all, I count
five threads. Of these, two are started in Python using
thread.start_new_thread(), and both of these wait on semaphores in the C++
extension using
Robin Becker wrote:
Robin Becker wrote:
Andrew MacIntyre wrote:
Robin Becker wrote:
I think it uses sysv semaphores and although freeBSD 6 has them
perhaps there's something I need to do to allow them to work.
IIRC, you need to explicitly configure loading the kernel module, or
compile
Robin Becker wrote:
I think it uses sysv semaphores and although freeBSD 6 has them perhaps
there's
something I need to do to allow them to work.
IIRC, you need to explicitly configure loading the kernel module, or
compile the kernel with the necessary option in the config file.
--
Bryan Olson wrote:
In Python 2.5, each thread will be allocated
thread.stack_size()
bytes of stack address space. Note that address space is
not physical memory, nor even virtual memory. On modern
operating systems, the memory gets allocated as needed,
and 150 threads is not be a
defcon8 wrote:
Does a ghostscript interface for python exist? I have searched google
quite a bit and all I have been able to find are command line hacks
from within python. Thanks in advance for any useful help.
I'm not aware of a specific interface to the Ghostscript API, but it is
trivial to
[EMAIL PROTECTED] wrote:
I'm trying to use the _mssql module from
http://pymssql.sourceforge.net/. It works fine on Python 2.4. I've
just installed Python 2.5 Beta 2 on my Linux box and, whenever I try
and run the mssql.close() function, or close the program, I get the
following message:
Frank Millman wrote:
Assume a table 't1' with a column 'c1' of type varchar(10).
From Python, set c1 to an empty string -
cur.execute(UPDATE t1 SET c1 = ?,[''])
The result is that c1 is actually set to a string of 10 spaces.
If I execute the command without using parameters -
Ivan Voras wrote:
Andrew MacIntyre wrote:
Comparative CPU memory utilisation statistics, not to mention platform
and version of Python, would be useful hints...
During benchmarking, all versions cause all CPU to be used, but Python
version has ~1.5x more CPU time allocated to it than
Bram Stolk wrote:
I've implemented, in C, a function that does a lot of I/O, and thus
can block for a long time.
If I execute this function in my Python script, it does not
relinquish the global interpreter lock, like Python's native
blocking functions do, like I/O funcs, and time.sleep()
Ivan Voras wrote:
def query(self, sql):
self.sf.write(SQL %s\r\n % sql)
self.sf.flush()
resp = self.sf.readline().rstrip()
m = SQLCacheD.re_rec.match(resp)
if m != None: # only if some rows are returned (SELECT)
n_rows =
Dean wrote:
I've been trying to make python a dynamic library. I downloaded Python
2.4.3 Final from the Python web site and I cannot get it to create the
library.
I've tried using the directive:
--enable-shared
and
--enable-shared=yes
and both of them had the same effect of
Bill wrote:
I've written a small program that, in part, reads in a file and parses
it. Sometimes, the file is gzipped. The code that I use to get the
file object is like so:
if filename.endswith(.gz):
file = GzipFile(filename)
else:
file = open(filename)
Then I parse the
[posted mailed]
[EMAIL PROTECTED] wrote:
The only issue I've had so far is retrieving data from Oracle when an
integer has been defined like:
number(p)[same thing as number(p,0) evidently]
This is from a database I didn't design and can't change. Evidently
there are new ways
Gabriel Genellina wrote:
Hi
I'm using Python 2.4.2 on Windows 98 SE.
In a program with several threads, sometimes (I cant determine exactly
when or why) one thread dies with the following traceback:
12/13/05 02:17:47 (WatchDog ) Unhandled thread exception
Traceback (most recent
On Fri, 09 Sep 2005 08:36:00 +0200, Thomas Heller [EMAIL PROTECTED]
wrote:
{...}
(I have released and announced this 3 weeks ago, but haven't got a
single feedback. So it seems the need to access custom interfaces is
very low.)
I have downloaded it and am trying to find the time to play with
GISDude wrote:
hi all. I am a newbie, so be kind.
I am using ARCView GIS 9.1 and python win. I am trying to develop a
module using the GZIP module in my ARCView map session. What I am
attempting to do (I think) is use the zip mod to zip up all the files
in a .mxd document into one neat little
David Isaac wrote:
I am looking for a pure Python secure ftp solution.
Does it exist?
I recall coming across an extension package (pretty sure it wasn't pure
Python anyway, certainly not for the SSL bits) with SFTP - I think the
name was Paramiko or something like that.
Donn Cave wrote:
I ran into a phenomenon that seemed odd to me, while testing a
build of Python 2.4.1 on BeOS 5.04, on PowerPC 603e.
test_builtin.py, for example, fails a couple of tests with errors
claiming that apparently identical floating point values aren't equal.
But it only does that
Bram Stolk wrote:
Hi there,
I just built and installed Python-2.4.1 on my Irix machine.
My compiler, the MipsPro compiler, chokes on the Python.h include file,
as demonstrated here:
$ CC -v
MIPSpro Compilers: Version 7.41
$ python -V
Python 2.4.1
$ cat l.cxx
#include Python.h
Brandt, Servatius wrote:
The stat values do not make any sense. It seems that the value used for
the mode is really the numbers of links (I created the two empty
/usr/local... directories to prevent the os.error exception):
That sort of suggests that the definition of the stat struct is not
[EMAIL PROTECTED] wrote:
It doesn't seem like the python 2.4(and the recent 2.4.1) support
berkeley db 4.3. (4.3 fixes some deadlock bugs I occasionally encounter
using 4.2.)
bsddb3(at pybsddb.sf.net) already supports 4.3 since last December(but
doesn't explicitly support win32 -- see the assert
snacktime wrote:
After debugging this some more I narrowed it down to an encryption
function in pycrypto that is triggering the segfault. I posted a bug
report. Don't really know enough about threading to know whether it's
a python bug or a pycrypto bug, but I'll let someone else sort that
out
On Wed, 5 Jan 2005, John Roth wrote:
I would like to contribute some documentation to Python.
I've got the time, I write quite a bit, etc. I've got fairly
strong opinions about some things that need to be documented,
(such as all the new style class descriptor stuff from 2.2)
and I have
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