Re: Finding the instance reference of an object

2008-11-05 Thread Hendrik van Rooyen
"Joe Strout" <[EMAIL PROTECTED]> wrote: > 4. You now see how a mutating an object within a function tells you > NOTHING about how the reference to that object was passed. > 5. You see that the first three languages above are passing a > reference by value and using that to mutate and object, ye

Re: Django or TurboGears or Pylons? for python web framework.

2008-11-05 Thread Aspersieman
On Wed, 05 Nov 2008 08:35:23 +0200, 3000 billg <[EMAIL PROTECTED]> wrote: Hi Senior, Hi There was a case for web site that will be public to Internet for me. I like python so I do not consider the use of Ruby on Rails. Excellent choice :) I searched more web framework of python from G

Extract frame from wmv

2008-11-05 Thread Martin
Hi, I need to extract a frame from a wmv file and save it as a jpg. In fact I need to extract a frame from each one of a collection of several thousand wmv files, but that's beside the point. I've actually written a script that does exactly this using the pyglet module. But while it works fi

Re: Extract frame from wmv

2008-11-05 Thread Tim Golden
Martin wrote: I need to extract a frame from a wmv file and save it as a jpg. In fact I need to extract a frame from each one of a collection of several thousand wmv files, but that's beside the point. I've actually written a script that does exactly this using the pyglet module. But while it

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Marc 'BlackJack' Rintsch
On Wed, 05 Nov 2008 14:39:36 +1100, Ben Finney wrote: > Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> writes: > >> On Wed, 05 Nov 2008 13:18:27 +1100, Ben Finney wrote: >> >> > Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> writes: >> > >> > Your example shows only that they're important for group

subprocess and PPID

2008-11-05 Thread Michele Petrazzo
Hi all, I believe that this is a *nix question, but since I'm developing in python, I'm here. I have a code that execute into a "Popen" a command (ssh). I need that, if the python process die, the parent pid (PPID) of the child don't become 1 (like I can seen on /proc/$pid$/status ), but it has t

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Jorgen Grahn
On Tue, 04 Nov 2008 15:36:23 -0600, Larry Bates <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: >> tmallen: >>> I'm parsing some text files, and I want to strip blank lines in the >>> process. Is there a simpler way to do this than what I have here? >>> lines = filter(lambda line: len(line.st

socket.getaddrinfo: flags |= AI_ADDRCONFIG

2008-11-05 Thread Karl Chen
I've discovered that since glibc 2.3.2, getaddrinfo(3) supports a useful flag called AI_ADDRCONFIG. It turns off lookups if the machine isn't configured for IPv6 (and similarly for IPv4, theoretically). This is especially important when behind gateways whose DNS forwarder silently filter AA

Re: False and 0 in the same dictionary

2008-11-05 Thread bearophileHUGS
Ben Finney: > Is there a later PEP that I've missed which > finally makes ‘bool’ a type independent from ‘int’? In a tidy language like an ObjectPascal or Java bools and integers are different types. In Python if bools become distinct from integers you have to rewrite things like: sum(el == val f

Re: False and 0 in the same dictionary

2008-11-05 Thread bearophileHUGS
Prateek: > How do I make a dictionary which has distinct key-value pairs for 0, > False, 1 and True. Why do you have to do that? What's the problem you have to solve? Maybe (probably) there are better or more clean alternative solutions. Bye, bearophile -- http://mail.python.org/mailman/listinfo/

Re: Extract frame from wmv

2008-11-05 Thread Martin
Tim Golden wrote: Martin wrote: I need to extract a frame from a wmv file and save it as a jpg. In fact I need to extract a frame from each one of a collection of several thousand wmv files, but that's beside the point. I've actually written a script that does exactly this using the pyglet m

Re: Extract frame from wmv

2008-11-05 Thread Tim Golden
Martin wrote: I've looked at Pymedia but I have to admit I couldn't work it out. Commandline might be good, but I'm really hoping someone can point me in the right direction, as this is not my area of expertise. Nor mine :) Just so people can help you out, can you be more precise in your req

Re: False and 0 in the same dictionary

2008-11-05 Thread Carl Banks
On Nov 4, 3:48 pm, Prateek <[EMAIL PROTECTED]> wrote: > I've been using Python for a while (4 years) so I feel like a moron > writing this post because I think I should know the answer to this > question: > > How do I make a dictionary which has distinct key-value pairs for 0, > False, 1 and True.

Red Hat 32 bit RPM for python 2.4+

2008-11-05 Thread James Prav
Hi , Could anybody please point to any available Red Hat 32 bit RPM for python 2.4 or greater version on Net. I searched a lot but could find for other flavour and not Red hat. Thanks in advance, James -- http://mail.python.org/mailman/listinfo/python-list

Question concerning array.array and C++

2008-11-05 Thread Fabio
Hi All, I have a question concerning the use of array.array inside of C++ code I wrote. I am working with _big_ data files but some entries in these files are usually bounded say between -5 to 40. Returning a Python list makes no sense. In Python I always work with the array.array module which

Re: push-style templating - an xml-like way to process xhtml

2008-11-05 Thread lkcl
On Nov 2, 11:19 pm, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > Push-style though enhances the risk of mixing program logic with > presentation-logic (as simple print-statements do), and makes it a > precondition that anybody who's supposed to tinker with the softare > needs to be knowledgable

Re: False and 0 in the same dictionary

2008-11-05 Thread Marc 'BlackJack' Rintsch
On Wed, 05 Nov 2008 04:22:32 -0800, bearophileHUGS wrote: > In Python if bools become distinct from integers you have to rewrite > things like: > sum(el == val for el in iterable) > as: > sum(1 for el in iterable if el == val) I would expect that you can still "cast" `bool`\s to `int`\s then. S

Re: Parse each line by character location

2008-11-05 Thread Tyler
>         So you have a classic (especially for COBOL and older FORTRAN) fixed > field record layout, no? Exactly, I believe COBOL. It is a daily reconciliation with an exchange and our system's orders. One of the problems of dealing with these old legacy systems that never seem to go away >

Re: Question concerning array.array and C++

2008-11-05 Thread Hrvoje Niksic
[ Please consider posting to the capi-sig list, which is dedicated to answering questions like yours. http://mail.python.org/mailman/listinfo/capi-sig ] Fabio <[EMAIL PROTECTED]> writes: > Consider the object > > array.array('c',[40,40,40]) > > Can I create such an object from within the C++

Re: Parse each line by character location

2008-11-05 Thread Lie
On Nov 5, 2:29 pm, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote: [snip] >         So you have a classic (especially for COBOL and older FORTRAN) fixed > field record layout, no? > >         I presume the entire file is of a single layout? That would mean > only one splitting format is needed... > [s

Raw socket when interface down.

2008-11-05 Thread Mat
Hi, I'm trying to use raw sockets in python for a dhcp client. I write this code : soc = socket.socket(socket.PF_PACKET, socket.SOCK_RAW) soc.bind(("eth0",0x0800)) data = soc.recv(1024) print len(data) It seems to work correctly when interface is up, but when network interface is down I get this

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread [EMAIL PROTECTED]
On Nov 5, 12:29 pm, Dennis Lee Bieber <[EMAIL PROTECTED]> wrote: > On Tue, 04 Nov 2008 21:58:17 -0500, [EMAIL PROTECTED] declaimed > the following in comp.lang.python: > > > Python depends upon Sqlite... which is weird... but it is what I > > discovered... > >         Not really (weird). Python,

Re: Can I build Python with lthread instead of pthread?

2008-11-05 Thread Aahz
In article <[EMAIL PROTECTED]>, Akira Kitada <[EMAIL PROTECTED]> wrote: > >I'm running Python 2.5 on FreeBSD 4. >pthread on FreeBSD 4 has some problems so I would like to build >python with lthread (linuxthreads) instead of BSD's pthread. >So I looked at configure options but couldn't find any opti

Re: Raw socket when interface down.

2008-11-05 Thread [EMAIL PROTECTED]
On Nov 5, 8:37 pm, Mat <[EMAIL PROTECTED]> wrote: > Hi, > > I'm trying to use raw sockets in python for a dhcp client. I write this code : > > soc = socket.socket(socket.PF_PACKET, socket.SOCK_RAW) > soc.bind(("eth0",0x0800)) > data = soc.recv(1024) > print len(data) > > It seems to work correctly

Re: subprocess and PPID

2008-11-05 Thread [EMAIL PROTECTED]
On Nov 5, 5:12 pm, Michele Petrazzo <[EMAIL PROTECTED]> wrote: > Hi all, > I believe that this is a *nix question, but since I'm developing in > python, I'm here. > > I have a code that execute into a "Popen" a command (ssh). I need that, > if the python process die, the parent pid (PPID) of the ch

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Shawn Milochik
This is all useful and interesting stuff, but I don't think any of it addresses the original poster's problem, which is that he has no root access to a Linux or Unix box, and wants to get pysqlite2 working in his home directory. I have exactly the same problem. I have tried the "python setup.py ins

Re: Error loading modules

2008-11-05 Thread BL
On Nov 4, 7:11 pm, John Machin <[EMAIL PROTECTED]> wrote: > On Nov 5, 9:18 am, BL <[EMAIL PROTECTED]> wrote: > > > I am very new to python.  I am installing it as part of a bazzar > > version control installation. > > I have installed the Crypto, paramiko and cElementTree modules.  I am > > running

Re: Parse each line by character location

2008-11-05 Thread Shawn Milochik
I work with tab-delimited files for a living. Because of the same need you have, I created a Python script to do this. It has usage information that is easy to follow (just run it without any arguments). I hope someone else finds this useful. I have, and use it every month. It can be easily modifi

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread [EMAIL PROTECTED]
On Nov 5, 9:22 pm, "Shawn Milochik" <[EMAIL PROTECTED]> wrote: > This is all useful and interesting stuff, but I don't think any of it > addresses the original poster's problem, which is that he has no root > access to a Linux or Unix box, and wants to get pysqlite2 working in > his home directory.

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Shawn Milochik
On Wed, Nov 5, 2008 at 11:58 AM, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > On Nov 5, 9:22 pm, "Shawn Milochik" <[EMAIL PROTECTED]> wrote: >> This is all useful and interesting stuff, but I don't think any of it >> addresses the original poster's problem, which is that he has no root >> access

Re: subprocess and PPID

2008-11-05 Thread Jorgen Grahn
On Wed, 5 Nov 2008 08:19:34 -0800 (PST), [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > On Nov 5, 5:12 pm, Michele Petrazzo <[EMAIL PROTECTED]> > wrote: >> Hi all, >> I believe that this is a *nix question, but since I'm developing in >> python, I'm here. >> >> I have a code that execute into a "P

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread [EMAIL PROTECTED]
On Nov 5, 10:07 pm, "Shawn Milochik" <[EMAIL PROTECTED]> wrote: > On Wed, Nov 5, 2008 at 11:58 AM, [EMAIL PROTECTED] > > > > <[EMAIL PROTECTED]> wrote: > > On Nov 5, 9:22 pm, "Shawn Milochik" <[EMAIL PROTECTED]> wrote: > >> This is all useful and interesting stuff, but I don't think any of it > >>

Re: Rewriting a bash script in python

2008-11-05 Thread Jorgen Grahn
On Wed, 05 Nov 2008 17:42:43 +1300, Lawrence D'Oliveiro <[EMAIL PROTECTED]> wrote: > In message <[EMAIL PROTECTED]>, Chris > Jones wrote: > >> I wrote this in bash and although it's worked w/o a glitch for the last >> couple of months .. I'm not comfortable with .. "the look & feel of it". > > Eng

Re: Red Hat 32 bit RPM for python 2.4+

2008-11-05 Thread Michael Torrie
James Prav wrote: > Hi , > > Could anybody please point to any available Red Hat 32 bit RPM for python > 2.4 or greater version on Net. I searched a lot but could find for other > flavour and not Red hat. RPMS are distro-specific. What distribution are you looking for? Since python is an integr

Re: Rewriting a bash script in python

2008-11-05 Thread Jorgen Grahn
On Tue, 04 Nov 2008 22:11:37 -0500, Chris Jones <[EMAIL PROTECTED]> wrote: > I wrote a trivial backup script that does the following: > > If tonight is the first day of the month: > > save last month's archive > do a full backup of the system > > else: > > save last night's differential

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Shawn Milochik
>> Thanks, but either I'm missing something or you're missing something. >> I can't do any of what you describe on the machine I want to use >> sqlite on. >> >> I have downloaded the binary sqlite3 file from sqlite's Web site, and > > The linux binary will not work. You need the headers and the > l

Re: Rewriting a bash script in python

2008-11-05 Thread Marc 'BlackJack' Rintsch
On Wed, 05 Nov 2008 17:12:08 +, Jorgen Grahn wrote: > On Wed, 05 Nov 2008 17:42:43 +1300, Lawrence D'Oliveiro > >> Engineering rule #1: if it works, don't fix it. > > Especially if it handles your backups ;-) Well, if it handles your backups it doesn't work. It just pretends until you real

Python 2.3.7 Does not compile on Ubuntu 8.10 i386

2008-11-05 Thread tilley . rb
Hi guys, Testing some older versions of Python. 2.2.3 compiled and runs just fine on same machine. I get this error during 2.3.7 make: case $MAKEFLAGS in \ *-s*) CC='gcc -pthread' LDSHARED='gcc -pthread -shared' OPT='- DNDEBUG -g -O3 -Wall -Wstrict-prototypes' ./python -E ./setup.py -q b

Re: What's your choice when handle complicated C structures.

2008-11-05 Thread Glenn Linderman
On approximately 11/4/2008 5:31 PM, came the following characters from the keyboard of Marc 'BlackJack' Rintsch: On Tue, 04 Nov 2008 16:52:17 -0800, 一首诗 wrote: Now I'm using the upack function of 'struct' module, but it's really annoying to write fmt strings for complicated structures. What

Getting function and args from generator objects

2008-11-05 Thread Rui Jorge Rei
Hi, I have been searching for a way to fetch the originating function object from a generator. I would also like to get all the arguments and keyword arguments that were used when calling the function that created the generator. I checked the inspect module, but it doesn't seem to provide that dat

Re: What's your choice when handle complicated C structures.

2008-11-05 Thread Robert Kern
一首诗 wrote: Hi all, Recently I am writing a small network application with python. The protocol is binary based and defined in c header files. Now I'm using the upack function of 'struct' module, but it's really annoying to write fmt strings for complicated structures. What will be your choice

Inheritance problem

2008-11-05 Thread Mr . SpOOn
Hi, I have a problem with this piece of code: class NoteSet(OrderedSet): def has_pitch(self): pass def has_note(self): pass class Scale(NoteSet): def __init__(self, root, type): self.append(root) self.type = type ScaleType(scale=self) OrderedS

Reading, editing and saving a txt file

2008-11-05 Thread Artur Sousa
Hi everyone. What I'm trying to do is a Python script that reads a txt file with the following structure: > AI_Tactic.dat > NO_AI > 1 > > Animation.dat > Intro > 2 > > Areas.dat > Start > 8 Then asks for a user input on what line containing one of those filenames the script should read, sh

Re: Inheritance problem

2008-11-05 Thread Diez B. Roggisch
Mr.SpOOn wrote: > Hi, > I have a problem with this piece of code: > > > class NoteSet(OrderedSet): > def has_pitch(self): > pass > def has_note(self): > pass > > class Scale(NoteSet): > def __init__(self, root, type): > self.append(root) > self.type =

Asynchat and error handling

2008-11-05 Thread Orestis Markou
Hello, I'm trying to add some better error handling to an async_chat client. What I want is to retry or terminate gracefully if the connection to the server doesn't succeed. Here's what I have: import asyncore, asynchat, socket class http_client(asynchat.async_chat): def __init__(self, host

Re: Finding the instance reference of an object

2008-11-05 Thread Terry Reedy
Dennis Lee Bieber wrote: I'm sure all the programmers using FORTRAN for the last 50 years will be very surprised to hear that it uses call-by-value! That should be 'last 31 years'. Fortran IV *was* call-by-value, as least for scalars. I remember spending a couple of hours tracking d

Re: [Python-Dev] Why don't range and xrange threat floats as floats?

2008-11-05 Thread Matthieu Brucher
2008/11/5 L V <[EMAIL PROTECTED]>: > Why don't range and xrange threat floats as floats? > Is there any good reason range and xrange don't threat floats as floats but > as integers? > When I enter float arguments in a range, the floats are treated as integers. > (+ some warning) > > This is how I t

Re: [Python-Dev] Why don't range and xrange threat floats as floats?

2008-11-05 Thread L V
python 2.5 Since it was an indirect suggestion, I thought it belonged here. What should python-list and python-dev both be used for? I know there is an alternative, but why not make it easier? From: Matthieu Brucher <[EMAIL PROTECTED]> To: L V <[EMAIL PROTECTED]

Re: Getting function and args from generator objects

2008-11-05 Thread Terry Reedy
Rui Jorge Rei wrote: I have been searching for a way to fetch the originating function object from a generator. Futile, I believe. I would also like to get all the arguments and keyword arguments that were used when calling the function that created the generator. The arguments to a genera

Re: Inheritance problem

2008-11-05 Thread Mr . SpOOn
On Wed, Nov 5, 2008 at 6:59 PM, Diez B. Roggisch <[EMAIL PROTECTED]> wrote: > You need to call the __init__ of NoteSet inside Scale, as otherwise the > instance isn't properly initialized. Thanks, solved. -- http://mail.python.org/mailman/listinfo/python-list

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Thorsten Kampe
* Shawn Milochik (Wed, 5 Nov 2008 12:28:46 -0500) > >> Thanks, but either I'm missing something or you're missing > >> something. I can't do any of what you describe on the machine I > >> want to use sqlite on. > >> > >> I have downloaded the binary sqlite3 file from sqlite's Web site, > >> and > >

Re: Reading, editing and saving a txt file

2008-11-05 Thread Terry Reedy
Artur Sousa wrote: Hi everyone. What I'm trying to do is a Python script that reads a txt file with the following structure: ... I've already started some programming, but I'm stuck. You started from the bottom up. Now also try from the top down. What should be the main structure of your

Re: [Python-Dev] Why don't range and xrange threat floats as floats?

2008-11-05 Thread Steve Holden
Matthieu Brucher wrote: > 2008/11/5 L V <[EMAIL PROTECTED]>: >> Why don't range and xrange threat floats as floats? >> Is there any good reason range and xrange don't threat floats as floats but >> as integers? >> When I enter float arguments in a range, the floats are treated as integers. >> (+ so

is this a good way to do imports ?

2008-11-05 Thread Stef Mientki
hello, I can't find any good documentation or examples of packages, so I'm not sure if this is good / correct way, although it seems to work. root / dir1 / file1.py / general.py / dir2 / file2.py / general_root.py Now I want to be able to use functions of file2 in file1, and vice-

Re: Ordering python sets

2008-11-05 Thread Mr . SpOOn
The discussion's gone a bit off topic so I don't know if it is a good idea to continue here. I'll try. My first question was about a way to order a python set. Someone suggested to try this module: http://code.activestate.com/recipes/528878/ It seemed pretty good, but I've tried it just today an

Dictionary membership check failure

2008-11-05 Thread Zac Burns
Greetings, I have a dictionary that seems to be misbehaving on a membership check. This test code: 1: import types 2: assert myDict.__class__ is types.DictionaryType 3: assert (key in myDict.keys()) == (key in myDict) raises AssertionError on line three. The dictionary items are all of type (str

Re: 2.6, 3.0, and truly independent intepreters

2008-11-05 Thread Andy O'Meara
On Nov 4, 10:59 am, sturlamolden <[EMAIL PROTECTED]> wrote: > On Nov 4, 4:27 pm, "Andy O'Meara" <[EMAIL PROTECTED]> wrote: > > > People > > in the scientific and academic communities have to understand that the > > dynamics in commercial software are can be *very* different needs and > > have to sh

Re: is this a good way to do imports ?

2008-11-05 Thread Terrence Brannon
On Nov 5, 2:14 pm, Stef Mientki <[EMAIL PROTECTED]> wrote: > Now I want to be able to use functions of file2 in file1, > and vice-versa. It sounds like __all__ in __init__.py would work: http://www.python.org/doc/2.5.2/tut/node8.html#SECTION00840 If not, then pkgutil might of use

Re: Dictionary membership check failure

2008-11-05 Thread Zac Burns
Sorry everyone, I found the bug in my code shortly after posting here. For the curious: I was using a QString (pyqt) inadvertently in the lookup. I guess the behavior then would be would be that QStrings hash differently than strings which accounts for the membership check failure, but lists do a

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Shawn Milochik
On Wed, Nov 5, 2008 at 1:55 PM, Thorsten Kampe <[EMAIL PROTECTED]> wrote: > * Shawn Milochik (Wed, 5 Nov 2008 12:28:46 -0500) >> >> Thanks, but either I'm missing something or you're missing >> >> something. I can't do any of what you describe on the machine I >> >> want to use sqlite on. >> >> >>

Using subprocess.Popen() in a Windows service

2008-11-05 Thread Mark Shewfelt
Hello, I am attempting to use Popen() in a Windows service. I have a small Win32 .exe that I normally run through the os.popen2() function. I've written a class to work with the input and output parameters that are passed and captured from this exe. When I use the class outside of a service using

Re: push-style templating - an xml-like way to process xhtml

2008-11-05 Thread Terrence Brannon
On Nov 5, 6:03 am, lkcl <[EMAIL PROTECTED]> wrote: > > * pyjamas (http://pyjs.org) - this is treating the web page and the wow. I had never heard of it, but it is _damned_ impressive. THANK YOU. I'm joining the club for my next webdev project! rock on. -- http://mail.python.org/mailman/listinfo/

Re: Extract frame from wmv

2008-11-05 Thread Martin
Tim Golden wrote: Martin wrote: I've looked at Pymedia but I have to admit I couldn't work it out. Commandline might be good, but I'm really hoping someone can point me in the right direction, as this is not my area of expertise. Nor mine :) Just so people can help you out, can you be more

Trying to set a date field in a access databse

2008-11-05 Thread [EMAIL PROTECTED]
Hi, I cannot get the following code to work import win32com.client import time engine = win32com.client.Dispatch("DAO.DBEngine.36") db=engine.OpenDatabase(r"testdate2.mdb") access = db.OpenRecordset("select * from test") access.AddNew() access.Fields("test").value=time.strptime('10:00AM', '%I:%M

Re: socket.getaddrinfo: flags |= AI_ADDRCONFIG

2008-11-05 Thread Martin v. Löwis
> 1) mimic glibc default behavior, i.e. if flags is unspecified or >None, treat it as the default value of AI_V4MAPPED | >AI_ADDRCONFIG). Unfortunately, that contradicts with RFC 3493, which says # If hints is a null pointer, the behavior # shall be as if it referred to a structure co

Re: Dictionary membership check failure

2008-11-05 Thread Steve Holden
Zac Burns wrote: > Greetings, > > I have a dictionary that seems to be misbehaving on a membership > check. This test code: > > 1: import types > 2: assert myDict.__class__ is types.DictionaryType [...] For the record, it would be much simpler and more readable to say assert type(myDict) is

Re: Error loading modules

2008-11-05 Thread John Machin
On Nov 6, 3:21 am, BL <[EMAIL PROTECTED]> wrote: > On Nov 4, 7:11 pm, John Machin <[EMAIL PROTECTED]> wrote: > > > > > On Nov 5, 9:18 am, BL <[EMAIL PROTECTED]> wrote: > > > > I am very new to python.  I am installing it as part of a bazzar > > > version control installation. > > > I have installed

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread tmallen
Why do I feel like the coding style in Lutz' "Programming Python" is very far from idiomatic Python? The content feels dated, and I find that most answers that I get for Python questions use a different style from the sort of code I see in this book. Thomas On Nov 5, 7:15 am, Jorgen Grahn <[EMAIL

Re: Ordering python sets

2008-11-05 Thread Arnaud Delobelle
Mr.SpOOn <[EMAIL PROTECTED]> writes: > The discussion's gone a bit off topic so I don't know if it is a good > idea to continue here. I'll try. > > My first question was about a way to order a python set. Someone > suggested to try this module: > > http://code.activestate.com/recipes/528878/ > > I

Re: Finding the instance reference of an object

2008-11-05 Thread Lie
On Nov 4, 9:33 am, Joe Strout <[EMAIL PROTECTED]> wrote: > On Nov 3, 2008, at 5:27 PM, Marc 'BlackJack' Rintsch wrote: > > > Maybe this is a surprise for you, because we haven't discussed this in > > much detail in this group lately, but it applies to Python which does > > call-by-object or call-by

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Lie
On Nov 5, 4:56 pm, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Wed, 05 Nov 2008 14:39:36 +1100, Ben Finney wrote: > > Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> writes: > > >> On Wed, 05 Nov 2008 13:18:27 +1100, Ben Finney wrote: > > >> > Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]>

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Arnaud Delobelle
Lie <[EMAIL PROTECTED]> writes: > What makes a generator expression is " for in > ". > > Parenthesis is generally required because without it, it's almost > impossible to differentiate it with the surrounding. But it is not > part of the formally required syntax. ... But *every* generator express

Re: Trying to set a date field in a access databse

2008-11-05 Thread Peter Otten
[EMAIL PROTECTED] wrote: > Hi, > I cannot get the following code to work > > import win32com.client > import time > > engine = win32com.client.Dispatch("DAO.DBEngine.36") > db=engine.OpenDatabase(r"testdate2.mdb") > access = db.OpenRecordset("select * from test") > > access.AddNew() > access.Fi

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Steven D'Aprano
On Wed, 05 Nov 2008 21:23:57 +, Arnaud Delobelle wrote: > Lie <[EMAIL PROTECTED]> writes: >> What makes a generator expression is " for in >> ". >> >> Parenthesis is generally required because without it, it's almost >> impossible to differentiate it with the surrounding. But it is not part >

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Duncan Booth
Arnaud Delobelle wrote: > Lie <[EMAIL PROTECTED]> writes: >> What makes a generator expression is " for in >> ". >> >> Parenthesis is generally required because without it, it's almost >> impossible to differentiate it with the surrounding. But it is not >> part of the formally required syntax. >

Re: 2.6, 3.0, and truly independent intepreters

2008-11-05 Thread Paul Boddie
On 5 Nov, 20:44, "Andy O'Meara" <[EMAIL PROTECTED]> wrote: > On Nov 4, 10:59 am, sturlamolden <[EMAIL PROTECTED]> wrote: > > > For Christ sake, researchers > > write global climate models using MPI. And you think a toy problem > > like 'real-time video processing' is a show stopper for using multip

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Miles
Ben Finney wrote: > Falcolas writes: > >> Using the surrounding parentheses creates a generator object > > No. Using the generator expression syntax creates a generator object. > > Parentheses are irrelevant to whether the expression is a generator > expression. The parentheses merely group the exp

Re: is this a good way to do imports ?

2008-11-05 Thread Terry Reedy
Stef Mientki wrote: hello, I can't find any good documentation or examples of packages, so I'm not sure if this is good / correct way, although it seems to work. root / dir1 / file1.py / general.py / dir2 / file2.py / general_root.py Now I want to be able to use functions of file

Query netgroup information through python

2008-11-05 Thread Joel Heenan
Python List, We have a setup where we have implemented NIS Netgroups through LDAP. I'm looking to query this information through python. We don't have a nis domain or nis server so I don't think the nis module is appropriate, what I think I'm looking for is python bindings for nss (name switching

Plz help..SocketServer UDP server losing lots of packets

2008-11-05 Thread id . engg
logFileName = 'log.txt' logfile = open(logFileName, "a") class MyUDPServer(SocketServer.UDPServer): def server_bind(self): self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, 8388608) self.socket.bind(self.serve

Re: Is there a better/simpler way to filter blank lines?

2008-11-05 Thread Ben Finney
Steven D'Aprano <[EMAIL PROTECTED]> writes: > I'm surprised that nobody yet has RTFM: > http://docs.python.org/reference/expressions.html > > generator_expression ::= "(" expression genexpr_for ")" > ... > The parentheses can be omitted on calls with only one argument. It's a fair cop. Thanks f

Re: Rewriting a bash script in python

2008-11-05 Thread Chris Jones
On Tue, Nov 04, 2008 at 11:11:17PM EST, Ben Finney wrote: > Chris Jones <[EMAIL PROTECTED]> writes: > > > I am thinking of rewriting it in python using OOP tactics/strategy. > > > > Please advise. > > I advise you not to have the object-oriented programming hammer as > your only tool, because it

Re: Plz help..SocketServer UDP server losing lots of packets

2008-11-05 Thread James Mills
On Thu, Nov 6, 2008 at 9:53 AM, <[EMAIL PROTECTED]> wrote: > logFileName = 'log.txt' >logfile = open(logFileName, "a") >class MyUDPServer(SocketServer.UDPServer): >def server_bind(self): >self.socket.setsockopt(socket.SOL_SOCKET, > socket.SO_

Re: Rewriting a bash script in python

2008-11-05 Thread Tim Rowe
2008/11/6 Chris Jones <[EMAIL PROTECTED]>: > Begs the question .. how do I tell what is an object-oriented vs. a > procedural problem? Practice, largely, so you're doing the right thing (provided you don't trust your /real/ backup data to a tutorial program). If you find that the program is at it

Re: Extract frame from wmv

2008-11-05 Thread Lawrence D'Oliveiro
In message <[EMAIL PROTECTED]>, Tim Golden wrote: > Alternatively, you might be able to commandline control > mencoder or ffmpeg itself to do this. Not sure, but there > must be *something* among those millions of command-line > options! FFmpeg--yes! -- http://mail.python.org/mailman/listinfo/pyt

Re: Using subprocess.Popen() in a Windows service

2008-11-05 Thread yomgui
hi, this is how i do it: from subprocess import Popen, PIPE, call, check_call if sys.platform == 'win32': net.processWithoutGui = Popen( ['python', self.temporaryFilename,'-w'], shell=False, cwd=lNetworkDir)

Re: subprocess and PPID

2008-11-05 Thread Lawrence D'Oliveiro
In message <[EMAIL PROTECTED]>, Michele Petrazzo wrote: > I have a code that execute into a "Popen" a command (ssh). I need that, > if the python process die, the parent pid (PPID) of the child don't > become 1 (like I can seen on /proc/$pid$/status ), but it has to die, > following it's parent >

How to re-import a function from a module?

2008-11-05 Thread Kurda Yon
Hi, I have the following small problem. I run Python interactively. In the beginning of the run I import many functions from many modules. Than I execute some commands and notice that one of the imported functions contains a mistake. I open another terminal in which I open the file with the proble

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Kurda Yon
On Nov 5, 1:55 pm, Thorsten Kampe <[EMAIL PROTECTED]> wrote: > > You (and Kurda) keep on talking the wrong stuff. First: you don't need > pysqlite2. SQLite support is included in the latest Python as module > sqlite3. > By the way, I think the above statement is very helpfull. I tried to install t

Snippets management

2008-11-05 Thread Edwin
Hi there, I've been looking for a snippet manager and found PySnippet but it requires PyGTK. Do you know any other option that doesn't need much? I'm sort of new to python and user interfaces seem a bit far for me right now, that's why I thought having to install PyGTK was unnecessary. Would yo

Re: How to re-import a function from a module?

2008-11-05 Thread Ben Finney
Kurda Yon <[EMAIL PROTECTED]> writes: > Is there a way to force Python to re-import the function, i.e. to > force it to use the new version of the function? A Python ‘import’ is conceptually two steps: execute the module, then bind the objects that were created to names in a namespace. The impor

Re: Rewriting a bash script in python

2008-11-05 Thread Lawrence D'Oliveiro
In message <[EMAIL PROTECTED]>, Marc 'BlackJack' Rintsch wrote: > Well, if it handles your backups it doesn't work. It just pretends until > you really *need* the backed up data. ;-) That's why a backup system needs to be absolutely simple as possible. Avoid complicated formats, a straightforwa

Re: Rewriting a bash script in python

2008-11-05 Thread Lawrence D'Oliveiro
In message <[EMAIL PROTECTED]>, Chris Jones wrote: > But then I started thinking .. what if for instance I had to scale my > effort from my single system to a large "data center" with hundred of > hosts .. with different backup policies .. what if I had to take into > account time slots where th

Re: How to build the pysqlite? Where to find the "sqlite3.h"?

2008-11-05 Thread Shawn Milochik
On Wed, Nov 5, 2008 at 8:52 PM, Kurda Yon <[EMAIL PROTECTED]> wrote: > By the where can I find a simle tutorial about the work with the > "sqlite" from the Python? > -- > http://mail.python.org/mailman/listinfo/python-list > Once you get the connection, you can pretty much just do whatever if you

Re: Regexp parser and generator

2008-11-05 Thread George Sakkis
On Nov 4, 9:56 pm, Paul McGuire <[EMAIL PROTECTED]> wrote: > On Nov 4, 1:34 pm, George Sakkis <[EMAIL PROTECTED]> wrote: > > > > > Is there any package that parses regular expressions and returns an > > AST ? Something like: > > > >>> parse_rx(r'i (love|hate) h(is|er) (cat|dog)s?\s*!+') > > > Regex

Malaysia python programmers

2008-11-05 Thread Marcus.CM
Hi, I apologize if this is not the place to do this. A python user group for malaysia is currently being formed , so if you are in malaysia, feel free to join us at : www.python.my Marcus.CM. -- http://mail.python.org/mailman/listinfo/python-list

Re: damn street venders

2008-11-05 Thread Aspersieman
+1 -- Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo On Mon, 03 Nov 2008 16:05:13 +0200, r <[EMAIL PROTECTED]> wrote: Hey, go sell your stupid watch somewhere else. i am tired of the message boards clogged with these stupid ads. Nobody here cares about your cheap rolex watches

Re: open a new terminal window from another terminal window in linux/unix system

2008-11-05 Thread David
gaurav kashyap wrote: > What i want to do is open another terminal window from already opened > terminal window. > Why? > Can this be achieved.If yes,please provide a tested solution > How about GNU Screen http://coding.derkeiler.com/Archive/Python/comp.lang.python/2008-09/msg01932.html --

find an object ancestor

2008-11-05 Thread Michel Perez
HI all: imagine something like this: class father: pass class son( father ): pass I need to know the son ancestor class how can i know this. Thanks --- Red Telematica de Salud - Cuba CNICM - Infomed -- http://mail.python.org/mailman/li

Re: damn street venders

2008-11-05 Thread Benjamin Kaplan
I'm pretty sure all of the spam is automated, so your message won't get through to anyone. On Mon, Nov 3, 2008 at 9:05 AM, r <[EMAIL PROTECTED]> wrote: > Hey, go sell your stupid watch somewhere else. > i am tired of the message boards clogged with these stupid ads. > Nobody here cares about your

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