Re: Creating Classes

2009-12-21 Thread Steven D'Aprano
On Sun, 20 Dec 2009 11:11:54 -0500, Steve Holden wrote: > Dave Angel wrote: > [...] >> We were talking about 2.x And I explicitly mentioned 3.x because if >> one develops code that depends on old-style classes, they'll be in >> trouble with 3.x, which has no way to specify old-style classes. In

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread Alf P. Steinbach
* Alf P. Steinbach: * W. eWatson: When I use numpy.__doc__ in IDLE under Win XP, I get a heap of words without reasonable line breaks. "\nNumPy\n=\n\nProvides\n 1. An array object of arbitrary homogeneous items\n 2. Fast mathematical operations over arrays\n 3. Linear Algebra, Fourier

Re: tkinter import problem

2009-12-21 Thread Gabriel Genellina
En Sun, 20 Dec 2009 02:04:17 -0300, harish anand escribió: I have Mandriva 2010.0 in my laptop. I installed python3.1 from the repository. But i am unable to import tkinter in python console. When I try to import tkinter I get the following error, `ImportError : No module named _tkinter`

Re: PyArg_ParseTupleAndKeywords in Python3.1

2009-12-21 Thread Gabriel Genellina
En Sat, 19 Dec 2009 07:36:59 -0300, Emeka escribió: Okay if that is the case, why do we need it? By having int a = 65, b = 66 , why should we also have *kwlist[]? static PyObject* foo(PyObject *self, PyObject *args, PyObject *kwrds) { int a=65, b=66; char *kwlist[] = {"a", "b", NULL}

Re: Anybody use web2py?

2009-12-21 Thread Bruno Desthuilliers
AppRe Godeck a écrit : (snip) Thanks for your replies, I was hoping to hear from some django people as well. Especially if you choose django over web2py, and why. I don't know what a "django people" is - but if you mean "django core developper", I'm not one of them. Now wrt while I use Django

Re: Anybody use web2py?

2009-12-21 Thread Bruno Desthuilliers
Thadeus Burgess a écrit : (snip) Spend one day working on a simple django application, polls, blog, image gallery, family pet tree, you name it. Then take the next day, and write the same application with web2py, and you decide. In the end, both are tools and you need to figure out what is best f

Re: Anybody use web2py?

2009-12-21 Thread Lacrima
On Dec 20, 1:35 am, mdipierro wrote: > Errata. I said "The dal supports transactions" where I meant "the dal > supports migrations". > Of course it also supports "transactions" as well as "distributed > transactions". Sorry, if this is not related to this topic. Does web2py support distributed t

Vectorized laziness 2

2009-12-21 Thread Bearophile
Do you remember my post about Vectorized laziness that was fully ignored by everyone here? http://groups.google.com/group/comp.lang.python/browse_thread/thread/2637aafa1274629d/ The latest Clojure v.1.1 has implemented the same idea, they are named "Chunked Sequences": http://www.infoq.com/news/20

Re: numpy performance and random numbers

2009-12-21 Thread sturlamolden
On 20 Des, 01:46, Lie Ryan wrote: > Not necessarily, you only need to be certain that the two streams don't > overlap in any reasonable amount of time. For that purpose, you can use > a PRNG that have extremely high period like Mersenne Twister and puts > the generators to very distant states. E

Re: Anybody use web2py?

2009-12-21 Thread Bruno Desthuilliers
mdipierro a écrit : On Dec 19, 12:42 am, AppRe Godeck wrote: Just curious if anybody prefers web2py over django, and visa versa. I know it's been discussed on a flame war level a lot. I am looking for a more intellectual reasoning behind using one or the other. Of course I am the most biased

Re: Anybody use web2py?

2009-12-21 Thread Bruno Desthuilliers
Anand Vaidya a écrit : On Dec 19, 2:42 pm, AppRe Godeck wrote: Just curious if anybody prefers web2py over django, and visa versa. I know it's been discussed on a flame war level a lot. I am looking for a more intellectual reasoning behind using one or the other. Hi, I am not very familiar w

Re: AttributeError: logging module bug ?

2009-12-21 Thread Peter
On 12/21/2009 08:35 AM, Gabriel Genellina wrote: En Sat, 19 Dec 2009 00:18:26 -0300, Peter escribió: This was somehow unexpected for me, since in a module using logger.py, I could use either import: from mylogger import logger # without package name or from of.mylogger import logger # wi

Re: [ANN] pylint 0.19 / astng 0.19.2

2009-12-21 Thread Jean-Michel Pichavant
Sylvain Thénault wrote: On 18 décembre 18:24, Jean-Michel Pichavant wrote: Sylvain Thénault wrote: Hi, I'm very pleased to announce the release of pylint 0.19 / astng 0.19.2 release! More information / download on http://www.logilab.org/project/pylint/0.19.0. This is a "community" r

use mudflap with python extensions?

2009-12-21 Thread Neal Becker
Is it possible to build python extensions using gcc's -fmudflap to check memory access? I'm not real familiar with mudflap usage, not sure if it works on building shared objects. Perhaps it requires a rebuilt python main? Hopefully not. -- http://mail.python.org/mailman/listinfo/python-list

[no subject]

2009-12-21 Thread petro
-- Petro Khoroshyy Institute of Biophysics Biological Research Center of the Hungarian Academy of Sciences Temesvari krt. 62, P.O.Box 521 Szeged, Hungary, H-6701 This message was sent using IMP, the Internet Messaging Program.

[no subject]

2009-12-21 Thread petro
-- Petro Khoroshyy Institute of Biophysics Biological Research Center of the Hungarian Academy of Sciences Temesvari krt. 62, P.O.Box 521 Szeged, Hungary, H-6701 This message was sent using IMP, the Internet Messaging Program.

Re: Moving from PHP to Python. Is it Possible

2009-12-21 Thread Bruno Desthuilliers
AppRe Godeck a écrit : On Mon, 14 Dec 2009 12:25:16 +0100, Bruno Desthuilliers wrote: r0g a écrit : Bruno Desthuilliers wrote: Sancar Saran a écrit : (snip) My problem is with PHP syntax and performance. I'm just trying to replicate my recepies in python... Python is not PHP, and trying to

Regex help needed!

2009-12-21 Thread Oltmans
Hello,. everyone. I've a string that looks something like lksjdfls kdjff lsdfs sdjfls sdfsdwelcome >From above string I need the digits within the ID attribute. For example, required output from above string is - 35343433 - 345343 - 8898 I've written this regex that's kind of working

difflib get_close_matches improvement?

2009-12-21 Thread Neal Becker
difflib.get_close_matches looks useful. But, I don't see where it defines 'close'. Besides that, wouldn't it be much more useful if one could supply their own distance metric? -- http://mail.python.org/mailman/listinfo/python-list

Re: Regex help needed!

2009-12-21 Thread Umakanth
How about re.findall(r'\d+(?:\.\d+)?',str) extracts only numbers from any string ~uk On Dec 21, 4:38 pm, Oltmans wrote: > Hello,. everyone. > > I've a string that looks something like > > lksjdfls kdjff lsdfs sdjfls =   "amazon_35343433">sdfsdwelcome > > > From above string I n

Re: Python3.1: gzip encoding with UTF-8 fails

2009-12-21 Thread Antoine Pitrou
Hello, Le Sun, 20 Dec 2009 17:08:33 +0100, Johannes Bauer a écrit : > > #!/usr/bin/python3 > import gzip > x = gzip.open("testdatei", "wb") > x.write("ä") The bug here is that you are trying to write an unicode text string ("ä") to a binary file (a gzip file). This bug has been fixed now; in th

Re: Regex help needed!

2009-12-21 Thread mik3
On Dec 21, 7:38 pm, Oltmans wrote: > Hello,. everyone. > > I've a string that looks something like > > lksjdfls kdjff lsdfs sdjfls =   "amazon_35343433">sdfsdwelcome > > > From above string I need the digits within the ID attribute. For > example, required output from above string is

Re: Regex help needed!

2009-12-21 Thread Peter Otten
Oltmans wrote: > I've a string that looks something like > > lksjdfls kdjff lsdfs sdjfls = "amazon_35343433">sdfsdwelcome > > > From above string I need the digits within the ID attribute. For > example, required output from above string is > - 35343433 > - 345343 > - 8898 > > I'v

Re: Regex help needed!

2009-12-21 Thread Oltmans
On Dec 21, 5:05 pm, Umakanth wrote: > How about re.findall(r'\d+(?:\.\d+)?',str) > > extracts only numbers from any string > Thank you. However, I only need the digits within the ID attribute of the DIV. Regex that you suggested fails on the following string lksjdfls kdjff lsdfs sdjfl

Re: Class variables static by default?

2009-12-21 Thread Daniel Fetchinson
>>> In python, 'class variable' is a variable that belongs to a class; not >>> to the instance and is shared by all instance that belong to the class. >> >> Surely, since string variables are strings, and float variables are >> floats, and bool variables are bools, and module variables are modules,

Re: Regex help needed!

2009-12-21 Thread Umakanth
Ok. how about re.findall(r'\w+_(\d+)',str) ? returns ['345343', '35343433', '8898', '8898'] ! On Dec 21, 6:06 pm, Oltmans wrote: > On Dec 21, 5:05 pm, Umakanth wrote: > > > How about re.findall(r'\d+(?:\.\d+)?',str) > > > extracts only numbers from any string > > Thank you. However, I only

[no subject]

2009-12-21 Thread petro
-- Petro Khoroshyy Institute of Biophysics Biological Research Center of the Hungarian Academy of Sciences Temesvari krt. 62, P.O.Box 521 Szeged, Hungary, H-6701 This message was sent using IMP, the Internet Messaging Program.

For...in statement and generators

2009-12-21 Thread Lucas Prado Melo
Is there a way to send() information back to a generator while using the for...in statement? Thanks in advance. -- http://mail.python.org/mailman/listinfo/python-list

Re: switch

2009-12-21 Thread Albert van der Horst
In article , Steven D'Aprano wrote: >On Wed, 09 Dec 2009 18:50:29 +, Nobody wrote: >> >> Compiled languages' switch statements typically require constant labels >> as this enables various optimisations. > >Pascal, for example, can test against either single values, enumerated >values, or a ra

Re: Anybody use web2py?

2009-12-21 Thread mdipierro
> > On Dec 19, 12:42 am, AppRe Godeck wrote: > >> Just curious if anybody prefers web2py over django, and visa versa. I > >> know it's been discussed on a flame war level a lot. I am looking for a > >> more intellectual reasoning behind using one or the other. > > > Of course I am the most biased

Re: which pi formula is given in the decimal module documentation?

2009-12-21 Thread Albert van der Horst
In article , Mark Dickinson wrote: >On Dec 11, 10:30=A0am, Mark Dickinson wrote: >> > It looks like an infinite series with term `t`, where`n` =3D (2k-1)^2 >> > and `d` =3D d =3D 4k(4k+2) for k =3D 1... Does it have a name? >> >> Interesting. =A0So the general term here is >> 3 * (2k choose k) /

Re: Regex help needed!

2009-12-21 Thread MRAB
Oltmans wrote: Hello,. everyone. I've a string that looks something like lksjdfls kdjff lsdfs sdjfls sdfsdwelcome From above string I need the digits within the ID attribute. For example, required output from above string is - 35343433 - 345343 - 8898 I've written this regex that

Re: Anybody use web2py?

2009-12-21 Thread Yarko
On Dec 19, 8:39 pm, AppRe Godeck wrote: > On Sat, 19 Dec 2009 12:48:07 -0800, Yarko wrote: > > On Dec 19, 12:42 am, AppRe Godeck wrote: > > It seems that this is the biggest issue surrounding web2py, from my > research, is the ability to customize the defaults (the easy). If all > web2py of

Sending ^C

2009-12-21 Thread Rick
Hi, I am to write script which is to read data from log file which resides on remote host. It's a simple text file but grows to couple of MBytes. I want to do ssh connection to remote, and run 'tail -f _some_file_' command to read only new coming data and process them in the loop. The problem is

Re: Anybody use web2py?

2009-12-21 Thread Yarko
On Dec 21, 2:32 am, Bruno Desthuilliers wrote: > Thadeus Burgess a écrit : > (snip) > > > Spend one > > day working on a simple django application, polls, blog, image > > gallery, family pet tree, you name it. Then take the next day, and > > write the same application with web2py, and you decide.

Re: Sending ^C

2009-12-21 Thread Grant Edwards
On 2009-12-21, Rick wrote: > I am to write script which is to read data from log file which > resides on remote host. It's a simple text file but grows to > couple of MBytes. I want to do ssh connection to remote, and > run 'tail -f _some_file_' command to read only new coming data > and process

Re: For...in statement and generators

2009-12-21 Thread Mark Tolonen
"Lucas Prado Melo" wrote in message news:9f4be2240912210639g58da0549jb0c81450947ef...@mail.gmail.com... Is there a way to send() information back to a generator while using the for...in statement? Thanks in advance. Yes, see "send(), (generator method)" or "yield expressions" in the help.

I need your opinion...

2009-12-21 Thread logan tag
It should be interesting to add new funcionality to "copytree" function into a "shutil.py" module?, I mean...I have developed a very silly function "copytree" with a different fourth argument. I have modified the "ignore" parameter to "target" parameter; this new one is used to copy the files wich

how to register with pypi

2009-12-21 Thread Phlip
Pythonistas: I'm stuck on the "PGP Key ID". When I whip out my trusty Ubuntu and run pgp -kg, I get a 16-digit "DSA / EIGamal" key. When I enter it into http://pypi.python.org/pypi?%3Aaction=register_form , I get a helpful "PGP Key ID is invalid". Should I try a key of some other algorithm?

Re: Object Relational Mappers are evil (a meditation)

2009-12-21 Thread J Kenneth King
Lie Ryan writes: > On 12/17/2009 3:17 PM, J Kenneth King wrote: >> A language is a thing. It may have syntax and semantics that bias it >> towards the conventions and philosophies of its designers. But in the >> end, a language by itself would have a hard time convincing a human >> being to ado

Re: numpy performance and random numbers

2009-12-21 Thread Robert Kern
On 2009-12-19 09:14 AM, Carl Johan Rehn wrote: On Dec 19, 2:49 pm, sturlamolden wrote: On 19 Des, 11:05, Carl Johan Rehn wrote: I plan to port a Monte Carlo engine from Matlab to Python. However, when I timed randn(N1, N2) in Python and compared it with Matlab's randn, Matlab came out as a c

Opening File Object

2009-12-21 Thread Ray Holt
I use the following code: fileobject = open("e:\\Ray Holts Documents\\Word Documents\\1850 Warren MS Jenkins", 'y') line = fileobject.readline() I get the following error message:Traceback (most recent call last): File "C:/Python26/Reading_and_Writing_Files", line 5, in fileobject = open("

Ch 3 of my writings, first few sections posted

2009-12-21 Thread Alf P. Steinbach
Tentatively titled "Foundations". Also, these first 2/3 sections may be moved to some later point, i.e. even the structure is tentative, but I'd value comments! http://tinyurl.com/programmingbookP3> Table of contents: 3 Foundations 1 3.1 Some necessary math notation & terminology. 2 3.1.

Re: Opening File Object

2009-12-21 Thread MRAB
Ray Holt wrote: I use the following code: fileobject = open("e:\\Ray Holts Documents\\Word Documents\\1850 Warren MS Jenkins", 'y') line = fileobject.readline() I get the following error message:Traceback (most recent call last): File "C:/Python26/Reading_and_Writing_Files", line 5, in

py2exe "for loop" hangs in compiled program

2009-12-21 Thread p_tierchen
Dear reader, the application is an interface to a sqlite database and stores image metadata (such as year, event, photographer, people on image etc.). i use pyqt4 for the interface and developed this application on a linux platform (python 2.5.4). friends of mine liked what i have done an want it

Re: Please Help Publicize PyCon

2009-12-21 Thread John Nagle
Steve Holden, Chairman, PSF wrote: Hi,everyone. This year I hope all readers of this list will assist me in crass commercial promotion of next year's PyCon. ... One particularly effective way for you prodigious email producers to assist is to something to your signature (as you will see I hav

web development in python 2.6 and 3.0

2009-12-21 Thread Simon Moses
hi, i am new to python but have programming experience in few other languages. i am trying to start with python 2.6 or 3.0. my requirement is accessing database (mysql and/or postgresql) and web development. what all i should install for my requirement? to connect to database (mysql and/or pos

Re: web development in python 2.6 and 3.0

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 9:22 AM, Simon Moses wrote: > hi, > > i am new to python but have programming experience in few other languages. > i am trying to start with python 2.6 or 3.0. my requirement is accessing > database (mysql and/or postgresql) and web development. > > what all i should insta

Re: For...in statement and generators

2009-12-21 Thread Gabriel Genellina
En Mon, 21 Dec 2009 11:39:46 -0300, Lucas Prado Melo escribió: Is there a way to send() information back to a generator while using the for...in statement? No. You have to write the iteration as a while loop. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list

How to validate the __init__ parameters

2009-12-21 Thread Denis Doria
Hi; I'm checking the best way to validate attributes inside a class. Of course I can use property to check it, but I really want to do it inside the __init__: class A: def __init__(self, foo, bar): self.foo = foo #check if foo is correct self.bar = bar All examples that I saw

Re: Please Help Publicize PyCon

2009-12-21 Thread mdipierro
There is huge difference between what Steve is asking and spam. Spam is "Unsolicited e-mail, often of a commercial nature, sent indiscriminately to multiple mailing lists, individuals, or newsgroups". Steve is asking us help him to identify communities that we may be part of and that we believe m

Re: I need your opinion...

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 8:23 AM, logan tag wrote: > It should be interesting to add new funcionality to "copytree" function > into a "shutil.py" module?, I mean...I have developed a very silly function > "copytree" with a different fourth argument. I have modified the "ignore" > parameter to "tar

Re: How to validate the __init__ parameters

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 9:41 AM, Denis Doria wrote: > All examples that I saw with property didn't show a way to do it in > the __init__. Just to clarify, I don't want to check if the parameter > is an int, or something like that, I want to know if the parameter do > not use more than X chars; an

Re: difflib get_close_matches improvement?

2009-12-21 Thread Peter Otten
Neal Becker wrote: > difflib.get_close_matches looks useful. But, I don't see where it defines > 'close'. Besides that, wouldn't it be much more useful if one could > supply their own distance metric? If you have a distance function you can find the N best matches with >>> from heapq import ns

Re: How to validate the __init__ parameters

2009-12-21 Thread Jean-Michel Pichavant
Denis Doria wrote: Hi; I'm checking the best way to validate attributes inside a class. Of course I can use property to check it, but I really want to do it inside the __init__: class A: def __init__(self, foo, bar): self.foo = foo #check if foo is correct self.bar = bar Al

Re: Opening File Object

2009-12-21 Thread Benjamin Kaplan
On Mon, Dec 21, 2009 at 11:48 AM, Ray Holt wrote: > I use the following code: > fileobject = open("e:\\Ray Holts Documents\\Word Documents\\1850 Warren MS > Jenkins", 'y') > line = fileobject.readline() > > I get the following error message:Traceback (most recent call last): >   File "C:/Python26/

Re: How to validate the __init__ parameters

2009-12-21 Thread Alf P. Steinbach
* Denis Doria: I thought in something like: class A: def __init__(self, foo = None, bar = None): set_foo(foo) self._bar = bar def set_foo(self, foo): if len(foo) > 5: raise _foo = foo foo = property(setter = set_foo) But looks too much

Python 3.1.1 installer botches upgrade when installation is not on C drive.

2009-12-21 Thread John Nagle
I just installed "python3.1.1.msi" on a system that had "python3.1.msi" installed in "D:/python31". The installer found the old installation in "D:/python31", partially trashed it, and then installed the new version in "C:/python31". I uninstalled the failed install, and reinstalled. On

Re: (unknown)

2009-12-21 Thread GilJohnson
brc.hu> writes: > > petro, I think you need to use e-mail, not IMP Gil -- http://mail.python.org/mailman/listinfo/python-list

Re: web development in python 2.6 and 3.0

2009-12-21 Thread Simon Moses
to code a web page which connects to a database and displays some rows, what minimum software and libraries i should install? python 2.6, mysql 5.0, apache 2.2 and Django? thats enough? From: Stephen Hansen To: Simon Moses Cc: python-list@python.org Sent: M

Re: web development in python 2.6 and 3.0

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 10:34 AM, Simon Moses wrote: > > to code a web page which connects to a database and displays some rows, what > minimum software and libraries i should install? > > python 2.6, mysql 5.0, apache 2.2 and Django? thats enough? Depending on your requirements, you might not n

Re: I need your opinion...

2009-12-21 Thread logan tag
Thanks for the answer, it's perfect for my purposes. See you in other thread!!! On Mon, Dec 21, 2009 at 6:47 PM, Stephen Hansen wrote: > On Mon, Dec 21, 2009 at 8:23 AM, logan tag wrote: > >> It should be interesting to add new funcionality to "copytree" function >> into a "shutil.py" module?, I

Re: web development in python 2.6 and 3.0

2009-12-21 Thread Simon Moses
so python 2.6, mysql 5.0, apache 2.2, mod_wsgi, MySQL-python-1.2.2.win32-py2.6 and Django should be sufficient for my requirement. The INTERNET now has a personality. YOURS! See your Yahoo! Homepage. http://in.yahoo.com/-- http://mail.python.org/mailman/listinfo/python-list

linking error after swig

2009-12-21 Thread whatazor
Hi All, I have a mac os x, and I try to replicate the sample in swig tutorial but when I try to link, I have these linking errors: ld example.o example_wrap.o -o _example.so Undefined symbols: "_PyType_Type", referenced from: _PyType_Type$non_lazy_ptr in example_wrap.o "_PyExc_SystemErr

Re: Python-list Digest, Vol 75, Issue 226

2009-12-21 Thread Pulkit Agrawal
Hi, I am writing a script wherein I need to merge files into existing tar.gz files. Currently, I am using tarfile module. I extract the tar.gz to a tempdir and copy the new file there and re-compress all the files back into a tar.gz. Is there a better way to do it? Thanks Pulkit -- http://mail.

Merging files into tar.gz archives

2009-12-21 Thread Pulkit Agrawal
Hi, I am writing a script wherein I need to merge files into existing tar.gz archives. Currently, I am using tarfile module. I extract the tar.gz to a tempdir and copy the new file there and re-compress all the files back into a tar.gz. Is there a better way to do it? Thanks Pulkit (Sorry for t

Re: web development in python 2.6 and 3.0

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 11:09 AM, Simon Moses wrote: > so python 2.6, mysql 5.0, apache 2.2, mod_wsgi, > MySQL-python-1.2.2.win32-py2.6 and Django should be sufficient for my > requirement. I don't know for certain; you're asking a bit too much specific detail here :) Just go to http://docs.djan

Re: converting string to a date format

2009-12-21 Thread tekion
Ben, I do not have python 2.6 install, my version of Python is 2.4. Because of my version of Python I believe I have to perform what you have suggested: This should, ideally, consist of two separate operations: * parse the string, using a specific format, to create a ‘datetime’ object *

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread W. eWatson
Lie Ryan wrote: On 12/21/2009 1:19 PM, W. eWatson wrote: When I use numpy.__doc__ in IDLE under Win XP, I get a heap of words without reasonable line breaks. "\nNumPy\n=\n\nProvides\n 1. An array object of arbitrary homogeneous items\n 2. Fast mathematical operations over arrays\n 3.

Re: Live Video Capture using Python

2009-12-21 Thread W. eWatson
David Lyon wrote: Also try.. http://www.unixuser.org/~euske/python/vnc2flv/index.html On Mon, 21 Dec 2009 11:15:32 +0530, Banibrata Dutta wrote: Have you searched the archives of this list ? I remember seeing a related discussion 5-6 months back. On Mon, Dec 21, 2009 at 2:35 AM, aditya shukl

ANN: eGenix mx Base Distribution 3.1.3

2009-12-21 Thread eGenix Team: M.-A. Lemburg
ANNOUNCING eGenix.com mx Base Distribution Version 3.1.3 for Python 2.3 - 2.6 Open Source Python extensions providing important and useful services

Re: converting string to a date format

2009-12-21 Thread MRAB
tekion wrote: Ben, I do not have python 2.6 install, my version of Python is 2.4. Because of my version of Python I believe I have to perform what you have suggested: This should, ideally, consist of two separate operations: * parse the string, using a specific format, to create a ‘datetime’

Re: Which version of MSVC?90.DLL's to distribute with Python 2.6 based Py2exe executables?

2009-12-21 Thread Jonathan Hartley
On Dec 17, 8:39 pm, Christian Heimes wrote: > Jonathan Hartley wrote: > > Only this week I sent a py2exe-derived executable to someone else (a > > non-developer) and it would not run on their WinXP machine ("'The > > system cannot execute the specified program'") - my current favourite > > hypothe

Re: which pi formula is given in the decimal module documentation?

2009-12-21 Thread Albert van der Horst
In article , Albert van der Horst wrote: >In article , >Mark Dickinson wrote: >>On Dec 11, 10:30=A0am, Mark Dickinson wrote: >>> > It looks like an infinite series with term `t`, where`n` =3D (2k-1)^2 >>> > and `d` =3D d =3D 4k(4k+2) for k =3D 1... Does it have a name? >>> >>> Interesting. =A0

Re: Anybody use web2py?

2009-12-21 Thread Yarko
On Dec 21, 2:50 am, Bruno Desthuilliers wrote: > mdipierro a écrit : ... > > This means you do not need to import > > basic web2py symbols. They are already defined in the environment that > > executes the models and controllers > > Ok. As far as I'm concerned : show stops here. Sorry- I don't _t

Re: Which version of MSVC?90.DLL's to distribute with Python 2.6 based Py2exe executables?

2009-12-21 Thread Jonathan Hartley
On Dec 17, 11:16 pm, Mark Hammond wrote: > On 18/12/2009 7:44 AM, Ross Ridge wrote: > > > The "P" DLL is for C++ and so the original poster may not actually need > > it.  I'm pretty sure Python itself doesn't need it, and py2exe shouldn't > > either, but wxPython, or more precisely wxWidgets, almo

Re: Which version of MSVC?90.DLL's to distribute with Python 2.6 based Py2exe executables?

2009-12-21 Thread Ross Ridge
Jonathan Hartley wrote: >Many thanks for that, but my issue is that my programs work fine for >me on my computer - but then fail on other people's computers. I'd >very strongly prefer for my users to not have to install the MSVCR >redistributable installer as well as my program - it would be much

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread Lie Ryan
On 12/22/2009 6:39 AM, W. eWatson wrote: Wow, did I get a bad result. I hit Ctrl-P, I think instead of Alt-P, and a little window came up showing it was about to print hundreds of pages. I can canceled it, but too late. I turned off my printer quickly and eventually stopped the onslaught. I coul

RotatingFileHandler key error when parsing a logging config file

2009-12-21 Thread jordilin
Hi, I've a config for logging where I set up a file rotation with handlers.RotatingFileHandler and when the app parses the logging config it says keyError when trying to parse that section ('RotatingFileHandler' is not defined). Curiously enough, I can do import logging and from logging.handlers i

Re: Ch 3 of my writings, first few sections posted

2009-12-21 Thread Alf P. Steinbach
This is an introduction to programming based on Python 3.x in Windows. It's posted as PDFs on Google Docs. Currently 2 full chapters plus a little of chapter 3, about 120 pages in total; chapters 1 and 2 reviewed by [comp.programming] and [comp.lang.python] residents (although I have no doubt

Re: How to validate the __init__ parameters

2009-12-21 Thread r0g
Denis Doria wrote: > Hi; > > I'm checking the best way to validate attributes inside a class. Of > course I can use property to check it, but I really want to do it > inside the __init__: > > class A: > def __init__(self, foo, bar): > self.foo = foo #check if foo is correct >

Re: How to validate the __init__ parameters

2009-12-21 Thread Steven D'Aprano
On Mon, 21 Dec 2009 09:41:22 -0800, Denis Doria wrote: > Hi; > > I'm checking the best way to validate attributes inside a class. There is no "best way", since it depends on personal taste. > Of > course I can use property to check it, but I really want to do it inside > the __init__: If you

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread W. eWatson
Lie Ryan wrote: On 12/22/2009 6:39 AM, W. eWatson wrote: Wow, did I get a bad result. I hit Ctrl-P, I think instead of Alt-P, and a little window came up showing it was about to print hundreds of pages. I can canceled it, but too late. I turned off my printer quickly and eventually stopped the o

Re: converting string to a date format

2009-12-21 Thread tekion
On Dec 21, 3:05 pm, MRAB wrote: > tekionwrote: > > Ben, > > I do not have python 2.6 install, my version of Python is 2.4. > > Because of my version of Python I believe I have to perform what you > > have suggested: > > > This should, ideally, consist of two separate operations: > > >   * parse th

Re: converting string to a date format

2009-12-21 Thread Ben Finney
tekion writes: > Ben, > I do not have python 2.6 install, my version of Python is 2.4. Ouch :-( Upgrade as soon as possible, 2.4 is no longer receiving bug fixes http://www.python.org/download/releases/2.4.6/>. > So I guess I am stuck on parsing the string "24/Nov/2009:12:00:00 > -0500" using r

Re: Line indexing in Python

2009-12-21 Thread r0g
seafoid wrote: > Hi Guys, > > When python reads in a file, can lines be referred to via an index? > > Example: > > for line in file: > if line[0] == '0': > a.write(line) > > This works, however, I am unsure if line[0] refers only to the first line or > the first character in all l

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 1:51 PM, W. eWatson wrote: > Lie Ryan wrote: >> >> On 12/22/2009 6:39 AM, W. eWatson wrote: >>> >>> Wow, did I get a bad result. I hit Ctrl-P, I think instead of Alt-P, and >>> a little window came up showing it was about to print hundreds of pages. >>> I can canceled it, b

Re: How to validate the __init__ parameters

2009-12-21 Thread Lie Ryan
On 12/22/2009 4:41 AM, Denis Doria wrote: Hi; I'm checking the best way to validate attributes inside a class. Of course I can use property to check it, but I really want to do it inside the __init__: class A: def __init__(self, foo, bar): self.foo = foo #check if foo is correct

Re: Class variables static by default?

2009-12-21 Thread Steven D'Aprano
On Mon, 21 Dec 2009 15:03:03 +0100, Daniel Fetchinson wrote: > I don't think Steven cares much, he loves this type of nitpicking and > uber pedantic formulations, but only if he can apply it to other > people's post :) Heh heh :) I actually do care, because (not having a Java/C++ background) I a

ANN: logbuilder 0.1.0a

2009-12-21 Thread Filip Gruszczyński
This is a one-time post to annouce the creation of logbuilder project, an open source tool for change log creation based on version control commit messages. Using conventions in commit messages logbuilder detects messages that can be imported into the change log and painlessly creates on for every

Re: how to register with pypi

2009-12-21 Thread Martin v. Loewis
> I'm stuck on the "PGP Key ID". When I whip out my trusty Ubuntu and run > pgp -kg, I get a 16-digit "DSA / EIGamal" key. > > When I enter it into http://pypi.python.org/pypi?%3Aaction=register_form > , I get a helpful "PGP Key ID is invalid". > > Should I try a key of some other algorithm? If

Re: how to register with pypi

2009-12-21 Thread Phlip
Martin v. Loewis wrote: I'm stuck on the "PGP Key ID". When I whip out my trusty Ubuntu and run pgp -kg, I get a 16-digit "DSA / EIGamal" key. When I enter it into http://pypi.python.org/pypi?%3Aaction=register_form , I get a helpful "PGP Key ID is invalid". Should I try a key of some other alg

Re: numpy performance and random numbers

2009-12-21 Thread r0g
sturlamolden wrote: > On 19 Des, 16:20, Carl Johan Rehn wrote: > >> How about mulit-core or (perhaps more exciting) GPU and CUDA? I must >> admit that I am extremely interested in trying the CUDA-alternative. >> >> Obviously, cuBLAS is not an option here, so what is the safest route >> for a novi

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread W. eWatson
Stephen Hansen wrote: On Mon, Dec 21, 2009 at 1:51 PM, W. eWatson wrote: Lie Ryan wrote: On 12/22/2009 6:39 AM, W. eWatson wrote: Wow, did I get a bad result. I hit Ctrl-P, I think instead of Alt-P, and No, its not true. A built-in module does not mean its available everywhere. It means i

Re: C Structure rebuild with ctypes

2009-12-21 Thread Georg
Hi Mark, many thanks for your help. I tried your code in my program and it worked. I would like to understand what the code is doing and I have some questions to it. > Are you passing in these values, or are they being returned? To me the > depth of the pointer references implies numVars, var

Threading with queues

2009-12-21 Thread Gib Bogle
Hi, I'm learning Python, jumping in the deep end with a threading application. I came across an authoritative-looking site that recommends using queues for threading in Python. http://www.ibm.com/developerworks/aix/library/au-threadingpython/index.html The author provides example code that fet

Re: Windows, IDLE, __doc_, other

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 2:57 PM, W. eWatson wrote: > This has got to be some sort of IDLE issue then. Huh? How do you figure? > When I run a simple > program. If I open this program in the IDLE editor: > #import math > print "hello, math world." > print cos(0.5) > print sin(0.8) > > then I get >

Re: Threading with queues

2009-12-21 Thread Stephen Hansen
On Mon, Dec 21, 2009 at 3:12 PM, Gib Bogle wrote: >  #spawn a pool of threads, and pass them queue instance >  for i in range(5): >    t = ThreadUrl(queue,i) >    t.setDaemon(True) >    t.start() > >  #populate queue with data >    for host in hosts: >      queue.put(host) This is indented over o

Re: numpy performance and random numbers

2009-12-21 Thread Gib Bogle
sturlamolden wrote: On 19 Des, 14:06, Carl Johan Rehn wrote: Matlab and numpy have (by chance?) the exact names for the same functionality, Common ancenstry, NumPy and Matlab borrowed the name from IDL. LabView, Octave and SciLab uses the name randn as well. So the basioc question is, h

Re: numpy performance and random numbers

2009-12-21 Thread Gib Bogle
sturlamolden wrote: On 19 Des, 16:20, Carl Johan Rehn wrote: How about mulit-core or (perhaps more exciting) GPU and CUDA? I must admit that I am extremely interested in trying the CUDA-alternative. Obviously, cuBLAS is not an option here, so what is the safest route for a novice parallel-pro

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