SQLObject 0.7.10

2008-01-10 Thread Oleg Broytmann
Hello! I'm pleased to announce the 0.7.10 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes. SQLObject is meant to be easy to use and quick to get started

SQLObject 0.8.7

2008-01-10 Thread Oleg Broytmann
Hello! I'm pleased to announce the 0.8.7 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes. SQLObject is meant to be easy to use and quick to get started

Re: docstrings style question

2008-01-10 Thread Russ P.
On Jan 9, 11:51 pm, Fredrik Lundh [EMAIL PROTECTED] wrote: Steve Brown wrote: I've got a series of modules which look like this: # # # Temperature Sense Test # # class Test3(ar_test.AR_TEST): Temperature Sense Test I don't like the duplicated

Re: Converting a bidimensional list in a bidimensional array

2008-01-10 Thread Santiago Romero
C:\ \python25\python -m -s :-) Thanks a lot :-) -- http://mail.python.org/mailman/listinfo/python-list

Re: docstrings style question

2008-01-10 Thread Jeroen Ruigrok van der Werven
-On [20080110 06:51], Steve Brown ([EMAIL PROTECTED]) wrote: I don't like the duplicated information: But the comment is attractive, I find it unattractive to be honest. and the docstring self.__doc__ is already in use in the test log. I've read that all modules and classes should have

Re: Conventions for dummy name (was: for loop without variable)

2008-01-10 Thread Jeroen Ruigrok van der Werven
-On [20080110 00:21], Ben Finney ([EMAIL PROTECTED]) wrote: The problem with the '_' name is that it is already well-known and long-used existing convention for an entirely unrelated purpose: in the 'gettext' i18n library, the '_' function to get the locally-translated version of a text string

Re: How to get memory size/usage of python object

2008-01-10 Thread Santiago Romero
Would you care to precisely define REAL size first? Consider: atuple = (1, 2) mylist = [(0, 0), atuple] Should sizeof(mylist) include sizeof(atuple) ? No, I'm talking about simple lists, without REFERENCES to another objects into it. I mean: lists = [ 0, 1, 2, 3, 4, (1,2), 3] or

PyGILState_Release produces a seg fault

2008-01-10 Thread mathieu
Hello and happy new year folks, I am experiencing a seg fault while using the python interface to the VTK library (debian oldstable, python 2.3). The VTK library is wrapped by a custom mechanism to provide a python API. In particular they implemented a way so that a python function can be

Re: alternating string replace

2008-01-10 Thread cokofreedom
On Jan 10, 3:46 am, [EMAIL PROTECTED] wrote: Gordon C: This is very cool stuff but I suspect that the code is unreadable to many readers, including me. Just for fun here is a complete program, written in Turbo Pascal, circa 1982, that does the job. Readable n'est pas? I think it's

Re: Python too slow?

2008-01-10 Thread Bruno Desthuilliers
Ed Jensen a écrit : Bruno Desthuilliers [EMAIL PROTECTED] wrote: And the reference implementation of Python (CPython) is not interpreted, it's compiled to byte-code, which is then executed by a VM (just like Java). Wow, this is pretty misleading. Ho yes ??? Why so, please ? Care to point

Re: Conventions for dummy name

2008-01-10 Thread Torsten Bronger
Hallöchen! Ben Finney writes: Diez B. Roggisch [EMAIL PROTECTED] writes: The underscore is used as discarded identifier. So maybe for _ in xrange(10): ... The problem with the '_' name is that it is already well-known and long-used existing convention for an entirely unrelated

Re: Learning Python via a little word frequency program

2008-01-10 Thread Bruno Desthuilliers
MRAB a écrit : On Jan 9, 12:19 pm, Bruno Desthuilliers bruno. [EMAIL PROTECTED] wrote: (snip) That actually prints: kevin : 3 fred : 2 jock : 2 andrew : 1 bill : 1 freddy : 1 It says that fred occurs twice because of freddy. oops ! My bad, didn't spot

FindWindowById returns None..... ?

2008-01-10 Thread Soren
Hi, I'm trying to split my GUI into several files since its beginning to become a bit large.. I've placed a panel class inside gui2.py, but it needs some information from a panel in gui1.py... if I import gui1 in gui2 and try to find the panel by its ID, (using the Id generated in gui1) I get a

Re: Learning Python via a little word frequency program

2008-01-10 Thread Bruno Desthuilliers
Paul Hankin a écrit : On Jan 9, 12:19 pm, Bruno Desthuilliers bruno. [EMAIL PROTECTED] wrote: Andrew Savige a écrit : and the -x hack above to achieve a descending sort feels a bit odd to me, though I couldn't think of a better way to do it. The other way would be to pass a custom

Re: How to get memory size/usage of python object

2008-01-10 Thread Remco Gerlich
Hi, The only list without references to other objects in it is [ ]. 0, 1, 2, etc are objects. Every value in Python is a reference to an object. Remco On Jan 10, 2008 9:14 AM, Santiago Romero [EMAIL PROTECTED] wrote: Would you care to precisely define REAL size first? Consider:

Re: FindWindowById returns None..... ?

2008-01-10 Thread Soren
On Jan 10, 9:43 am, Soren [EMAIL PROTECTED] wrote: Hi, I'm trying to split my GUI into several files since its beginning to become a bit large.. I've placed a panel class inside gui2.py, but it needs some information from a panel in gui1.py... if I import gui1 in gui2 and try to find the

Why my program (using pexpect to switch user) doesn't work well?

2008-01-10 Thread BlackjadeLin
I'm new to python I want to write a simple script to switch user,for example,from user_A to user_B. This my codes: #!/usr/bin/python import pexpect import os passwd=user_B child = pexpect.spawn('su user_B') child.expect('Password:') child.sendline(passwd) child.expect('$') child.close() Maybe

Re: How to get memory size/usage of python object

2008-01-10 Thread Steven D'Aprano
On Thu, 10 Jan 2008 00:14:42 -0800, Santiago Romero wrote: Would you care to precisely define REAL size first? Consider: atuple = (1, 2) mylist = [(0, 0), atuple] Should sizeof(mylist) include sizeof(atuple) ? No, I'm talking about simple lists, without REFERENCES to another objects

Win32com and Excel

2008-01-10 Thread Mike P
Hi, I currently have an excel table (1 table each time) that has differing number of rows and differing number of columns each time, for another program i use (SPSS) to import the data i need to know the cell range of this data table. I.e what the last row of data is and the last column that has

Using a proxy with urllib2

2008-01-10 Thread Jack
I'm trying to use a proxy server with urllib2. So I have managed to get it to work by setting the environment variable: export HTTP_PROXY=127.0.0.1:8081 But I wanted to set it from the code. However, this does not set the proxy: httpproxy = '127.0.0.1:3129' proxy_support =

RE: docstrings style question

2008-01-10 Thread Ryan Ginstrom
On Behalf Of Steve Brown What do you think? I think that comments are for maintainers, and docstrings are for users. Some of the things I use comments for: * Visually separate classes (using a syntax-highlighting editor) * Explain algorithm choices * Explain bug fixes so I don't later fix

RE: Win32com and Excel

2008-01-10 Thread Ryan Ginstrom
On Behalf Of Mike P Does anyone have any code that does something similar? My guess is i have to do something like thefollowing to enable python to read xl? I think that what you want is UsedRange for row in sheet.UsedRange.Value: ... Regards, Ryan Ginstrom --

Re: Win32com and Excel

2008-01-10 Thread John Machin
On Jan 10, 8:21 pm, Mike P [EMAIL PROTECTED] wrote: Hi, I currently have an excel table (1 table each time) that has differing number of rows and differing number of columns each time, for another program i use (SPSS) to import the data i need to know the cell range of this data table. SPSS

Import of cStringIO failing with undefined symbol: PyObject_SelfIter on python-2.3.3-88.9

2008-01-10 Thread grbgooglefan
I am importing cStringIO module in my PythonC++ embedded program. The import is failing with the following error: ImportError: /usr/lib/python2.3/lib-dynload/cStringIO.so: undefined symbol: PyObject_SelfIter I have python-2.3.3-88.9.x86 installed on my machine. Why is this error coming? how can

Re: docstrings style question

2008-01-10 Thread Martin Marcher
Russ P. wrote: On Jan 9, 9:47 pm, Steve Brown [EMAIL PROTECTED] wrote: I've got a series of modules which look like this: # # # Temperature Sense Test # # class Test3(ar_test.AR_TEST): Temperature Sense Test I don't like the duplicated information: But the

Rebuild list of objects with redundancies on objects' attribute

2008-01-10 Thread Nico Grubert
Hi there I have a list of dummy objects which have the attributes 'location', 'name', 'gender'. Now I want to rebuild this list in order to avoid redundancies on objects with the same 'location'. Example: #-- class Dummy:

Re: docstrings style question

2008-01-10 Thread Steve Brown
Russ P. [EMAIL PROTECTED] wrote in message news:[EMAIL PROTECTED] On Jan 9, 11:51 pm, Fredrik Lundh [EMAIL PROTECTED] wrote: Steve Brown wrote: I've got a series of modules which look like this: # # # Temperature Sense Test # # class

Re: Python too slow?

2008-01-10 Thread A.T.Hofkamp
On 2008-01-09, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I'm pretty new to Python, and even newer to Image/Video processing, and trying to get started on a project similar to GRL Vienna's laser marker. I found some sample code here

Re: help with a problem from school??

2008-01-10 Thread Martin Marcher
Josh wrote: Hello all I did a Google search and found this site and was hoping someone could help me with what I am sure is a simple question that I cannot figure out. Here goes: Given a simple straight through switch (SPST) with a supply of 14V, and the need to

Re: Python too slow?

2008-01-10 Thread Jeroen Ruigrok van der Werven
-On [20080110 11:46], A.T.Hofkamp ([EMAIL PROTECTED]) wrote: In my experience however, differences in CPU execution time are usually meaningless compared to differences in development time. I have to disagree with you to a point. Yes, maintenance of code is important, no denying that. However

Do you know mirror repository of PyUMLGraph, what do you thinks about this tools ?

2008-01-10 Thread KLEIN Stéphane
Hi, I've looked http://www.umlgraph.org/ tools. I think it's great to generate UML Diagram from source code and comment's. I read there are Python version of this tools : PyUMLGraph (http://pypi.python.org/pypi/ PyUMLGraph/0.1.10). Unfortunately, repository of this tools is down :( My

Re: Rebuild list of objects with redundancies on objects' attribute

2008-01-10 Thread Peter Otten
Nico Grubert wrote: Hi there I have a list of dummy objects which have the attributes 'location', 'name', 'gender'. Now I want to rebuild this list in order to avoid redundancies on objects with the same 'location'. Example:

SV: Conventions for dummy name

2008-01-10 Thread David.Reksten
Torsten Bronger wrote: Hallöchen! Ben Finney writes: Diez B. Roggisch [EMAIL PROTECTED] writes: The underscore is used as discarded identifier. So maybe for _ in xrange(10): ... The problem with the '_' name is that it is already well-known and long-used existing convention for an

Re: Python too slow?

2008-01-10 Thread [EMAIL PROTECTED]
For the most part, I agree with you, which is why I chose Python in the first place. I like quick development. Unfortunately, this is one of those cases where execution time is a factor. Who knows, maybe someone who's done camera vision with Python will come in and say it's just the algorithm

SQLObject 0.7.10

2008-01-10 Thread Oleg Broytmann
Hello! I'm pleased to announce the 0.7.10 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes. SQLObject is meant to be easy to use and quick to get started

Re: Conventions for dummy name

2008-01-10 Thread Torsten Bronger
Hallöchen! [EMAIL PROTECTED] writes: Torsten Bronger wrote: [...] Right, that's because I've used __ where not all returning values are interesing to me such as a, b, __ = function_that_returns_three_values(x, y) Variable name dummy serves the same purpose, such as: a, b, dummy =

Re: for loop without variable

2008-01-10 Thread Duncan Booth
erik gartz [EMAIL PROTECTED] wrote: Hi. I'd like to be able to write a loop such as: for i in range(10): pass but without the i variable. The reason for this is I'm using pylint and it complains about the unused variable i. I can achieve the above with more lines of code like: i = 0

SQLObject 0.8.7

2008-01-10 Thread Oleg Broytmann
Hello! I'm pleased to announce the 0.8.7 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes. SQLObject is meant to be easy to use and quick to get started

SQLObject 0.9.3

2008-01-10 Thread Oleg Broytmann
Hello! I'm pleased to announce the 0.9.3 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes. SQLObject is meant to be easy to use and quick to get started

SV: Conventions for dummy name

2008-01-10 Thread David.Reksten
Torsten Bronger writes: [EMAIL PROTECTED] writes: Torsten Bronger wrote: [...] Right, that's because I've used __ where not all returning values are interesing to me such as a, b, __ = function_that_returns_three_values(x, y) Variable name dummy serves the same purpose, such as:

importing module conflict

2008-01-10 Thread Matias Surdi
Hi, Suppose I've a module named urllib and from it I need to import the urllib module from the python standart library. ¿how can I do this? The problem I found is that when I do: import urrlib The imported module is itself, and not the one from the stdlib. Any idea? Thanks a lot. --

Re: Python too slow?

2008-01-10 Thread Ant
On Jan 10, 12:04 pm, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: For the most part, I agree with you, which is why I chose Python in the first place. I like quick development. Unfortunately, this is one of those cases where execution time is a factor. Who knows, maybe someone who's done

Re: Python too slow?

2008-01-10 Thread [EMAIL PROTECTED]
On Jan 10, 3:00 am, Ant [EMAIL PROTECTED] wrote: On Jan 10, 12:04 pm, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: For the most part, I agree with you, which is why I chose Python in the first place. I like quick development. Unfortunately, this is one of those cases where execution time

Re: importing module conflict

2008-01-10 Thread Ben Finney
Matias Surdi [EMAIL PROTECTED] writes: Suppose I've a module named urllib and from it I need to import the urllib module from the python standart library. What you want is the absolute import behaviour, described in PEP 328 URL:http://www.python.org/peps/pep-0328.html and implemented in Python

Re: importing module conflict

2008-01-10 Thread Bruno Desthuilliers
Matias Surdi a écrit : Hi, Suppose I've a module named urllib and from it I need to import the urllib module from the python standart library. ¿how can I do this? The problem I found is that when I do: import urrlib The imported module is itself, and not the one from the

Embedding python code into text document question.

2008-01-10 Thread Thomas Troeger
Dear all, I've written a program that parses a string or file for embedded python commands, executes them and fills in the returned value. The input might look like this: process id: $$return os.getpid()$$ current date: $$return time.ctime()$$ superuser: $$ if os.geteuid(): return Yes

Image/Video Processing in Python

2008-01-10 Thread [EMAIL PROTECTED]
Hello, I'm trying to work on a project in Python that involves the use of a webcam to track a laser pointer. I found some example code here http://janto.blogspot.com/2006/01/motion-capture-in-python.html, but the problem is that it's quite slow (about a sec to process a 800 by 600 image). Can

Re: Python or PowerShell ?

2008-01-10 Thread Martin P. Hellwig
[EMAIL PROTECTED] wrote: On Jan 8, 1:57 pm, Martin P. Hellwig [EMAIL PROTECTED] wrote: cut And adding to that, if you don't care about cross platform anyway, why even bother with python? I am sure that MS has tools that can do in a point and click kind of way all the things you might

Re: Python's great, in a word

2008-01-10 Thread Caleb
The best thing about Python is ___. this. -- http://mail.python.org/mailman/listinfo/python-list

Re: Embedding python code into text document question.

2008-01-10 Thread grflanagan
On Jan 10, 2:10 pm, Thomas Troeger [EMAIL PROTECTED] wrote: Dear all, I've written a program that parses a string or file for embedded python commands, executes them and fills in the returned value. The input might look like this: process id: $$return os.getpid()$$ current date: $$return

Re: Embedding python code into text document question.

2008-01-10 Thread Thomas Troeger
Ok I've written a small example program to clarify matters: [SNIP] #!/usr/bin/python import os, sys, time def template(src, dst, sep): Copy file from src to dst, executing embedded python code. try: # read

Re: New Tk look (aka Ttk or Tile widgets)

2008-01-10 Thread Rob Wolfe
Robert Hicks napisał(a): Do I have to install something extra to use the new look? I managed to use Tile with Tk 8.4 and Python 2.5. After installing Tile I followed these advices: http://tkinter.unpythonic.net/wiki/UsingTile and used this code: http://tkinter.unpythonic.net/wiki/TileWrapper

Re: I'm searching for Python style guidelines

2008-01-10 Thread rui
Thanks Caleb. Really liked some points. On Jan 10, 2008 11:20 AM, Caleb [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote: Anything written somewhere that's thorough? Any code body that should serve as a reference? 1. Don't use tabs (use spaces). 2. Study import this 3. Use lists and

Re: New Tk look (aka Ttk or Tile widgets)

2008-01-10 Thread Guilherme Polo
2008/1/10, Robert Hicks [EMAIL PROTECTED]: Do I have to install something extra to use the new look? Robert -- http://mail.python.org/mailman/listinfo/python-list Tk 8.5 -- -- Guilherme H. Polo Goncalves -- http://mail.python.org/mailman/listinfo/python-list

Re: docstrings style question

2008-01-10 Thread Neil Cerutti
On Jan 10, 2008 12:47 AM, Steve Brown [EMAIL PROTECTED] wrote: I've got a series of modules which look like this: # # # Temperature Sense Test # # class Test3(ar_test.AR_TEST): Temperature Sense Test I don't like the duplicated information: But the comment

New Tk look (aka Ttk or Tile widgets)

2008-01-10 Thread Robert Hicks
Do I have to install something extra to use the new look? Robert -- http://mail.python.org/mailman/listinfo/python-list

Re: I'm searching for Python style guidelines

2008-01-10 Thread Caleb
[EMAIL PROTECTED] wrote: Anything written somewhere that's thorough? Any code body that should serve as a reference? 1. Don't use tabs (use spaces). 2. Study import this 3. Use lists and dictionaries as much as you possibly can 4. Use comprehensions and generators as much as you possibly can

run shell commands

2008-01-10 Thread Riccardo Maria Bianchi
Hello! :) I'm trying to run shell commands both with os.system() and subprocess.Popen() class. But I can't run aliases or function defined in my .bashrc file, like in the login interactive shell. Can you help me? Maybe have I to add some commands to load the .bashrc? Thanks a lot! :)

Re: Embedding python code into text document question.

2008-01-10 Thread tezlo
Thomas Troeger [EMAIL PROTECTED] wrote: I've written a program that parses a string or file for embedded python commands, executes them and fills in the returned value. ... I've tried several solutions using eval, execfile or compile, but none of those would solve my problem. Does anyone have

Re: Embedding python code into text document question.

2008-01-10 Thread Marc 'BlackJack' Rintsch
On Thu, 10 Jan 2008 14:10:05 +0100, Thomas Troeger wrote: I've written a program that parses a string or file for embedded python commands, executes them and fills in the returned value. The input might look like this: process id: $$return os.getpid()$$ current date: $$return

Re: Strip lines from files

2008-01-10 Thread Caleb
Francesco Pietra wrote: I am posting again as previous identical message had alleged suspicious header. I used successfully script f=open(prod1-3_no_wat_pop.pdb, r) for line in f: line=line.rstrip() if WAT not in line: print line f.close() log = [[line for

Problem with Tkinter.PhotoImage

2008-01-10 Thread Cédric Lucantis
Hi, I can only load gif images with Tkinter.PhotoImage and none with BitmapImage. I tried png, jpg, bmp and xpm and always got this errors : img = Tkinter.PhotoImage(file='/home/omer/fgfs/fgsync/map.xpm') Traceback (most recent call last): File stdin, line 1, in ? File

Re: Import module conflict

2008-01-10 Thread jatin patni
Suppose I've a module named urllib and from it I need to import the urllib module from the python standart library. ¿how can I do this? The problem I found is that when I do: import urrlib The imported module is itself, and not the one from the stdlib. Any idea? Try this: *from stdlib

Re: importing module conflict

2008-01-10 Thread Matias Surdi
Ben Finney escribió: Matias Surdi [EMAIL PROTECTED] writes: Suppose I've a module named urllib and from it I need to import the urllib module from the python standart library. What you want is the absolute import behaviour, described in PEP 328 URL:http://www.python.org/peps/pep-0328.html

Re: ISO books of official Python docs

2008-01-10 Thread kj
In [EMAIL PROTECTED] gordyt [EMAIL PROTECTED] writes: Howdy kynnjo, Is it possible to buy the official Python docs in book form? If so, I'd very much appreciate the name(s) and author(s) of the book(s). I haven't seen them in print form, but you can download PDF's from here:

Re: Problem with Tkinter.PhotoImage

2008-01-10 Thread Kevin Walzer
Cédric Lucantis wrote: Hi, I can only load gif images with Tkinter.PhotoImage and none with BitmapImage. I tried png, jpg, bmp and xpm and always got this errors : That's because Tk only supports the gif format natively. You need to install an additional photo library to support

Re: New Tk look (aka Ttk or Tile widgets)

2008-01-10 Thread Robert Hicks
On Jan 10, 9:08 am, Guilherme Polo [EMAIL PROTECTED] wrote: 2008/1/10, Robert Hicks [EMAIL PROTECTED]: Do I have to install something extra to use the new look? Robert -- http://mail.python.org/mailman/listinfo/python-list Tk 8.5 -- -- Guilherme H. Polo Goncalves Is that it? I have

ISO Python example projects (like in Perl Cookbook)

2008-01-10 Thread kj
I'm looking for example implementations of small projects in Python, similar to the ones given at the end of most chapters of The Perl Cookbook (2nd edition, isbn: 0596003137). (Unfortunately, the otherwise excellent Python Cookbook (2nd edition, isbn: 0596007973), by the same publisher

PIL rotate : Rotate By Shear / Paeth Rotation?

2008-01-10 Thread IanJSparks
I've been doing some image rotation with PIL and comparing the images with imagemagick's convert -rotate output. Imagemagick uses an RBS / Paeth rotation algorithm that appears to give better results than PIL's rotate method. However, I love PIL and don't want to have to shell out to imagemagick

Re: ISO Python example projects (like in Perl Cookbook)

2008-01-10 Thread kyosohma
On Jan 10, 10:13 am, kj [EMAIL PROTECTED] wrote: I'm looking for example implementations of small projects in Python, similar to the ones given at the end of most chapters of The Perl Cookbook (2nd edition, isbn: 0596003137). (Unfortunately, the otherwise excellent Python Cookbook (2nd

urllib2 rate limiting

2008-01-10 Thread Dimitrios Apostolou
Hello list, I want to limit the download speed when using urllib2. In particular, having several parallel downloads, I want to make sure that their total speed doesn't exceed a maximum value. I can't find a simple way to achieve this. After researching a can try some things but I'm stuck on

Re: SQLObject 0.9.3

2008-01-10 Thread kyosohma
On Jan 10, 6:38 am, Oleg Broytmann [EMAIL PROTECTED] wrote: Hello! I'm pleased to announce the 0.9.3 release of SQLObject. What is SQLObject = SQLObject is an object-relational mapper. Your database tables are described as classes, and rows are instances of those classes.

Re: ISO Python example projects (like in Perl Cookbook)

2008-01-10 Thread ajcppmod
Have a look at Dive into Python by Mark Pilgrim. It is available for free here http://www.diveintopython.org/. Andy -- http://mail.python.org/mailman/listinfo/python-list

Re: run shell commands

2008-01-10 Thread Noah Dain
On Jan 10, 2008 9:24 AM, Riccardo Maria Bianchi [EMAIL PROTECTED] wrote: Hello! :) I'm trying to run shell commands both with os.system() and subprocess.Popen() class. But I can't run aliases or function defined in my .bashrc file, like in the login interactive shell. Can you help me?

Re: Why my program (using pexpect to switch user) doesn't work well?

2008-01-10 Thread Noah
On Jan 10, 12:59 am, BlackjadeLin [EMAIL PROTECTED] wrote: I'm new to python I want to write a simple script to switch user,for example,from user_A to user_B. This my codes: #!/usr/bin/python importpexpect import os passwd=user_B child =pexpect.spawn('su user_B')

Re: Using a proxy with urllib2

2008-01-10 Thread Rob Wolfe
Jack [EMAIL PROTECTED] writes: I'm trying to use a proxy server with urllib2. So I have managed to get it to work by setting the environment variable: export HTTP_PROXY=127.0.0.1:8081 But I wanted to set it from the code. However, this does not set the proxy: httpproxy =

Re: subprocess handle is invalid error

2008-01-10 Thread Daniel Serodio
Thomas Heller-2 wrote: Grant Edwards schrieb: [snip] Traceback (most recent call last): File surfedit.py, line 28, in ? File Gnuplot\_Gnuplot.pyc, line 178, in __init__ File Gnuplot\gp_win32.pyc, line 117, in __init__ File subprocess.pyc, line 533, in __init__

Re: Python too slow?

2008-01-10 Thread Fredrik Lundh
A.T.Hofkamp wrote: Now the question you need to answer for yourself, is how much more worth is your own time compared to the gain in CPU time. If you think they are equal (ie the problem as a whole should be solved as fast as possible, thus the sum of development time + execution time

What is lambda x=x : ... ?

2008-01-10 Thread [EMAIL PROTECTED]
I'm reading this page: http://www.ps.uni-sb.de/~duchier/python/continuations.html and I've found a strange usage of lambda: Now, CPS would transform the baz function above into: def baz(x,y,c): mul(2,x,lambda v,y=y,c=c: add(v,y,c)) ### What does

Re: urllib2 rate limiting

2008-01-10 Thread Rob Wolfe
Dimitrios Apostolou [EMAIL PROTECTED] writes: P.S. And something simpler: How can I disallow urllib2 to follow redirections to foreign hosts? You need to subclass `urllib2.HTTPRedirectHandler`, override `http_error_301` and `http_error_302` methods and throw `urllib2.HTTPError` exception.

Re: Collecting Rich Data Structures for students

2008-01-10 Thread [EMAIL PROTECTED]
On Jan 10, 1:01 am, Dennis Lee Bieber [EMAIL PROTECTED] wrote: On Wed, 9 Jan 2008 15:05:25 -0800 (PST), [EMAIL PROTECTED] [EMAIL PROTECTED] declaimed the following in comp.lang.python: Sometimes we spare the students (whomever they may be) this added step and just hand them a dictionary of

Re: What is lambda x=x : ... ?

2008-01-10 Thread Tim Chase
What does y=y and c=c mean in the lambda function? the same thing it does in a function definition: def myfunct(a, b=42, y=3.141): pass # x = 3 y = lambda x=x : x+10 print y(2) ## It prints 12, so it doesn't bind the variable in the outer

Re: ISO Python example projects (like in Perl Cookbook)

2008-01-10 Thread Robert Hicks
On Jan 10, 11:13 am, kj [EMAIL PROTECTED] wrote: I'm looking for example implementations of small projects in Python, similar to the ones given at the end of most chapters of The Perl Cookbook (2nd edition, isbn: 0596003137). (Unfortunately, the otherwise excellent Python Cookbook (2nd

Re: What is lambda x=x : ... ?

2008-01-10 Thread [EMAIL PROTECTED]
I've figured it out, it is default argument. print y() gives 13 as result. It's a bit evil though. I hope this post will be useful some newbie like i'm now someday :) On Jan 10, 7:25 pm, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I'm reading this

Re: What is lambda x=x : ... ?

2008-01-10 Thread Fredrik Lundh
[EMAIL PROTECTED] wrote: Now, CPS would transform the baz function above into: def baz(x,y,c): mul(2,x,lambda v,y=y,c=c: add(v,y,c)) ### What does y=y and c=c mean in the lambda function? they bind the argument y to the *object* currently

Re: What is lambda x=x : ... ?

2008-01-10 Thread Mike Meyer
On Thu, 10 Jan 2008 10:25:27 -0800 (PST) [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I'm reading this page: http://www.ps.uni-sb.de/~duchier/python/continuations.html and I've found a strange usage of lambda: Now, CPS would transform the baz function above into:

Re: What is lambda x=x : ... ?

2008-01-10 Thread [EMAIL PROTECTED]
You're talking about syntax from the bad old days when the scope rules were different. If not too archeological for your tastes, download and boot a 1.5 and see what happens. Less empirically, here're some key references: http://www.python.org/doc/2.2.3/whatsnew/node9.html

Re: What is lambda x=x : ... ?

2008-01-10 Thread Fredrik Lundh
Mike Meyer wrote: What does y=y and c=c mean in the lambda function? Older versions of python didn't make variables in an outer scope visible in the inner scope. This was the standard idiom to work around that. lexically scoped free variables and object binding are two different things,

Re: Python too slow?

2008-01-10 Thread George Sakkis
On Jan 10, 3:37 am, Bruno Desthuilliers wrote: I fail to see how the existence of JIT compilers in some Java VM changes anything to the fact that both Java (by language specification) and CPython use the byte-code/VM scheme. Because these some Java VMs with JIT compilers are the de facto

Persistent HTTP Connections with Python?

2008-01-10 Thread Scott Sharkey
Hello All, I am trying to write a python script to talk to an xml-based stock feed service. They are telling me that I must connect and login, and then issue refresh requests to fetch the data. This sounds a lot (to me) like HTTP 1.1 persistent connections. Can I do that with the urllib

Re: Problem with Tkinter.PhotoImage

2008-01-10 Thread Fredrik Lundh
Cédric Lucantis wrote: I can only load gif images with Tkinter.PhotoImage and none with BitmapImage. I tried png, jpg, bmp and xpm and always got this errors : img = Tkinter.PhotoImage(file='/home/omer/fgfs/fgsync/map.xpm') Traceback (most recent call last): File stdin, line 1, in ?

Re: What is lambda x=x : ... ?

2008-01-10 Thread Mike Meyer
On Thu, 10 Jan 2008 19:59:23 +0100 Fredrik Lundh [EMAIL PROTECTED] wrote: Mike Meyer wrote: What does y=y and c=c mean in the lambda function? Older versions of python didn't make variables in an outer scope visible in the inner scope. This was the standard idiom to work around that.

Re: for loop without variable

2008-01-10 Thread Mike Meyer
On Thu, 10 Jan 2008 08:42:16 +0100 Hrvoje Niksic [EMAIL PROTECTED] wrote: Mike Meyer [EMAIL PROTECTED] writes: It sounds to me like your counter variable actually has meaning, It depends how the code is written. In the example such as: for meaningless_variable in

Re: What is lambda x=x : ... ?

2008-01-10 Thread Fredrik Lundh
Mike Meyer wrote: What does y=y and c=c mean in the lambda function? Older versions of python didn't make variables in an outer scope visible in the inner scope. This was the standard idiom to work around that. lexically scoped free variables and object binding are two different things,

XML+Logs to Latex. XSLT?

2008-01-10 Thread Florencio Cano
Hi! I'm thinking about implementing a script in Python to do this task. I have a XML log and logs from other programs. My aim is to do a report about all this information. I'm thinking in using Python to transform the plain logs to XML and combine them with the XML document I have and later use

Re: Python too slow?

2008-01-10 Thread Ross Ridge
Bruno Desthuilliers [EMAIL PROTECTED] wrote: And the reference implementation of Python (CPython) is not interpreted, it's compiled to byte-code, which is then executed by a VM (just like Java). Ed Jensen a écrit : Wow, this is pretty misleading. Bruno Desthuilliers [EMAIL PROTECTED]

Re: XML+Logs to Latex. XSLT?

2008-01-10 Thread Fredrik Lundh
Florencio Cano wrote: I'm thinking about implementing a script in Python to do this task. I have a XML log and logs from other programs. My aim is to do a report about all this information. I'm thinking in using Python to transform the plain logs to XML and combine them with the XML document

Re: urllib2 rate limiting

2008-01-10 Thread Dimitrios Apostolou
On Thu, 10 Jan 2008, Rob Wolfe wrote: Dimitrios Apostolou [EMAIL PROTECTED] writes: P.S. And something simpler: How can I disallow urllib2 to follow redirections to foreign hosts? You need to subclass `urllib2.HTTPRedirectHandler`, override `http_error_301` and `http_error_302` methods and

Re: XML+Logs to Latex. XSLT?

2008-01-10 Thread Florencio Cano
2008/1/10, Fredrik Lundh [EMAIL PROTECTED]: Florencio Cano wrote: I'm thinking about implementing a script in Python to do this task. I have a XML log and logs from other programs. My aim is to do a report about all this information. I'm thinking in using Python to transform the plain

open excel file while it is being used.

2008-01-10 Thread barry . zhao
Hi, I have a python program that constantly updates an excel spreadsheet. I would like to be able to view its updates while using excel to edit other excel files. Below are the test codes I have: -- from time

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