Re: debian apt somehow created python hell! - help

John O'Hagan writes: > On Sat, 2 May 2009, watermod wrote: > > The current apt state is that python apps are failing install in: > > /usr/sbin/update-python-modules > > > [snip Debian package-management errors] > … you'll get better answerson, say, debian-users. John refers to the Debian user di

Re: debian apt somehow created python hell! - help

On Sat, 2 May 2009, watermod wrote: > I was doing one of those auto apt-get gui things with update manager in > Debian and not watching the error log so I don't know where it started. > > It involves only Python stuff. I don't know Python but apps use it. > > > The current apt state is that python

Re: object query assigned variable name?

On Fri, 1 May 2009, warpcat wrote: > I've passed this around some other groups, and I'm being told > "probably not possible". But I thought I'd try here as well :) I > *did* search first, and found several similar threads, but they > quickly tangented into other specifics of the language that we

Re: urllib2 and threading

In article , robean wrote: > >Here's the problem: the script simply crashes after getting a a couple >of urls and takes a long time to run (slower that a non-threaded >version that I wrote and ran). Can anyone figure out what I am doing >wrong? I am new to both threading and urllib2, so its possi

Re: ctypes: reference of a struct member?

En Sat, 02 May 2009 00:51:29 -0300, Gabriel Genellina escribió: En Fri, 01 May 2009 14:39:39 -0300, ma escribió: If I have this struct in C: struct spam { int ham; char foo; }; if I have this declaration: struct spam s_; If I wanted to pass a reference to a function of s_'s foo ch

Re: ctypes: reference of a struct member?

En Fri, 01 May 2009 14:39:39 -0300, ma escribió: If I have this struct in C: struct spam { int ham; char foo; }; if I have this declaration: struct spam s_; If I wanted to pass a reference to a function of s_'s foo character, I can do something like this: somefunc(&s_.foo) How do I

Re: web access through vpn client

On May 1, 5:57 pm, "Martin P. Hellwig" wrote: > mark.sea...@gmail.com wrote: > > Hi; > > > I am trying to retrieve financial data off website for stock market > > analysis.  Just hobby not for pay.  I actually am impressed that > > urllib2 and BeautifulSoup work pretty well to do what I want, and

debian apt somehow created python hell! - help

I was doing one of those auto apt-get gui things with update manager in Debian and not watching the error log so I don't know where it started. It involves only Python stuff. I don't know Python but apps use it. The current apt state is that python apps are failing install in: /usr/sbin/update

Re: Question about the wording in the python documents.

On Fri, 01 May 2009 13:02:59 -0700, grocery_stocker wrote: > I don't get how urllib2.urlopen() can take a Request object. When I do > the following > > [cdal...@localhost ~]$ python > Python 2.4.3 (#1, Oct 1 2006, 18:00:19) [GCC 4.1.1 20060928 (Red Hat > 4.1.1-28)] on linux2 Type "help", "co

Re: Why bool( object )?

On Fri, 01 May 2009 15:03:30 -0700, Aaron Brady wrote: > On May 1, 4:30 am, Steven D'Aprano cybersource.com.au> wrote: >> On Fri, 01 May 2009 16:30:19 +1200, Lawrence D'Oliveiro wrote: >> > I have never written anything so unbelievable in my life. And I hope >> > I never will. >> >> I didn't say

Re: Profiling gives very different predictions of best algorithm

Rick wrote: [Rearrangee to put answer after question. Unless your name is Guido and you are making a short pronouncement that you want to be sure everyone sees, please do not toppost] >>> My question to the mailing list is what am I doing wrong with my >>> profiling that it shows such poor pr

Re: is it possible to traverse two lists simulatenously using python

mobiledream...@gmail.com wrote: Python for i,j in topgirls, richgirls: print i,j for i,y in zip(a,b): ... -- http://mail.python.org/mailman/listinfo/python-list

Re: web access through vpn client

mark.sea...@gmail.com wrote: Hi; I am trying to retrieve financial data off website for stock market analysis. Just hobby not for pay. I actually am impressed that urllib2 and BeautifulSoup work pretty well to do what I want, and the first little routine actually gets the data from the web pag

eval(WsgiApplication)

I would like to read the following from a text file from json import loads from gert.db import Db def application(environ, response): v = loads(environ['wsgi.input'].read(int(environ ['CONTENT_LENGTH'])).decode('utf-8')) db = Db() db.execute('UPDATE votes SET count=count+1 WHERE vid=?'

Re: How to measure the memory cost in Python?

On May 1, 12:50 pm, Jean wrote: > On May 1, 10:56 am, CTO wrote: > > > > > > sys.getsizeof() [a suggested solution] isn't platform-specific. > > > So, to answer the OP's question, you'd just do something like > > > def get_totalsize(obj): > >         total_size = sys.getsizeof(obj) > >         fo

Re: web access through vpn client

> > I am trying to retrieve financial data off website for stock market > analysis. Just hobby not for pay. I actually am impressed that > urllib2 and BeautifulSoup work pretty well to do what I want, and the > first little routine actually gets the data from the web page... > except if my VPN cl

Re: string processing question

Piet van Oostrum wrote: Kurt Mueller (KM) wrote: KM> But from the command line python interprets the code KM> as 'latin_1' I presume. That is why I have to convert KM> the "ä" with unicode(). KM> Am I right? There are a couple of stages: 1. Your terminal emulator interprets your keystrokes,

web access through vpn client

Hi; I am trying to retrieve financial data off website for stock market analysis. Just hobby not for pay. I actually am impressed that urllib2 and BeautifulSoup work pretty well to do what I want, and the first little routine actually gets the data from the web page... except if my VPN client is

Re: is it possible to traverse two lists simulatenously using python

> Python > for i,j in topgirls, richgirls: > print i,j for i, j in zip( topgirls, richgirls ): print i,j HTH, Daniel > Cheetah > #for $i,$j in $topgirls, $richgirls$i, $j > #end for > This doesnt work -- Psss, psss, put it down! - http://www.cafepress.com/putitdown -- http://mail.pyt

Re: is it possible to traverse two lists simulatenously using python

You should be looking for "zip".. On Thu, Apr 30, 2009 at 9:31 AM, wrote: > Python > for i,j in topgirls, richgirls: > print i,j > > Cheetah > #for $i,$j in $topgirls, $richgirls > $i, $j > #end for > This doesnt work > > -- > Bidegg worlds best auction site > http://bidegg.com > > -- > http

Re: urllib2 and threading

> robean (R) wrote: >R> def get_info_from_url(url): >R> """ A dummy version of the function simply visits urls and prints >R> the url of the page. """ >R> try: >R> page = urllib2.urlopen(url) >R> except urllib2.URLError, e: >R> print " error ", e.reason >R> except urll

wxpython custom fonts

Hi, I`m going to build a small wxpython-based application. The problem is that I need to use a custom (dedicated) font in my text controls with special characters (of course I`ll need to create a simple editor for inserting those characters into text controls, but that`s not the case). Documentatio

subprocess & shared environments

I'm currently calling subprocess.call() on a batch file (in Windows) that sets a few environment variables that are needed by further processes started via subprocess.call(). How can I persist the environment modifications by the first call() function? I've done my own searching on this and I came

dict is really slow for big truck

i try to load a big file into a dict, which is about 9,000,000 lines, something like 1 2 3 4 2 2 3 4 3 4 5 6 code for line in open(file) arr=line.strip().split('\t') dict[arr[0]]=arr but, the dict is really slow as i load more data into the memory, by the way the mac i use have 16G memory.

Re: mailbox.mbox.add() sets access time as well as modification time

Chris Green wrote: > Currently I run mutt on a remote server where I have to use maildir > because their file systems are mounted noatime. I am moving to reading > mail on my own Linux box just because I want to get back to mbox, [...] For what it's worth, setting 'check_mbox_size = yes' is usuall

Re: dict is really slow for big truck

On Apr 28, 8:54 am, forrest yang wrote: > i try to load a big file into a dict, which is about 9,000,000 lines, > something like > 1 2 3 4 > 2 2 3 4 > 3 4 5 6 > > code > for line in open(file) >    arr=line.strip().split('\t') >    dict[arr[0]]=arr > > but, the dict is really slow as i load more d

Re: Why bool( object )?

On Fri, 01 May 2009 16:30:19 +1200, Lawrence D'Oliveiro wrote: > I have never written anything so unbelievable in my life. And I hope I > never will. I didn't say you did. If anyone thought I was quoting Lawrence's code, I'd be surprised. It was not my intention to put words into your mouth. Bu

Re: What do you think of ShowMeDo

I was fishing for a response, by posting multiple replies Inadvertantly, I have offended one of the Python rabbis For this misdemeanor I am most contrite But I still got a fish to bite. "Peter Pearson" wrote in message news:760gejf1af7r...@mid.individual.net... > On Fri, 1 May 2009 07:53:35 +100

Re: What do you think of ShowMeDo

I also am new to Python and found the site. The main barrier to me was the price. Pay as you use with credits might be less of a problem in an community environment where so much is available. The interface did not lead me to understand where I could find the free stuff, I also did not realize how

Re: What do you think of ShowMeDo

I also am new to Python and found the site. The main barrier to me was the price. Pay as you use with credits might be less of a problem in an community environment where so much is available. The interface did not lead me to understand where I could find the free stuff, I also did not realize

Re: What do you think of ShowMeDo

Ben Finney wrote: Astley Le Jasper writes: I've just stumbled over this (http://showmedo.com/) and being the very visual person I am, it seems like it could be a good way to learn about python. However, before I smack down $60, I wondered if anyone had any opinions on it. My gut feel is that i

Re: What do you think of ShowMeDo

Astley Le Jasper writes: > I've just stumbled over this (http://showmedo.com/) and being the very > visual person I am, it seems like it could be a good way to learn > about python. However, before I smack down $60, I wondered if anyone > had any opinions on it. My gut feel is that it could be pr

Re: Notebook Ariel

> Gabriel Genellina (GG) escribió: >GG> Hola >GG> La notebook de Ariel esta en el placard, atrás de Walter. ¿Quién es Walter y dónde esta? :=( -- Piet van Oostrum URL: http://pietvanoostrum.com [PGP 8DAE142BE17999C4] Private email: p...@vanoostrum.org -- http://mail.python.org/mailman/list

Re: May I ask about Sage here?

In article <899b6a05-942a-4229-b3aa-f9099e171...@g31g2000pra.googlegroups.com>, alex23 wrote: > On Apr 30, 11:06 am, Michael Press wrote: > > May I ask for help with Sage problems here?  I > > did not find a usenet Sage support group. > > http://www.sagemath.org/help-groups.html > http://grou

Memory problems - fixed!

Taking into account that I am very new to Python and so must be missing something important dumping xml.dom and going to lxml made a WORLD of difference to the performance of the application. -- http://mail.python.org/mailman/listinfo/python-list

Re: Tools for web applications

Concerning Desktop applications, I would really suggestion PyQt. I don't know if it's "easyToLearn", but with its GUI designer you can very quickly get a cool looking application (and if you need to extend your app later, it offers, imo, much more possibilities that other toolkits I've tried).

Re: Why bool( object )?

Aaron Brady writes: > I think you are looking at an 'ireduce' function, which doesn't > exist in 'itertools' yet. Nothing is being done with the return value. sum(1 for x in imap(func, seq)) is enough to force evaluation of func on each element of seq. -- http://mail.python.org/mailman/listi

Re: ctypes: reference of a struct member?

ma wrote: >If I have this struct in C: > >struct spam { > int ham; > char foo; >}; > > >if I have this declaration: >struct spam s_; > >If I wanted to pass a reference to a function of s_'s foo character, I >can do something like this: > >somefunc(&s_.foo) > >How do I do the same thing in ct

Re: Profiling gives very different predictions of best algorithm

Sorry, I'm running the function: def debugsuite(): import profile,pstats profile.run('runsuite()','prof') prof = pstats.Stats('prof') prof.strip_dirs().sort_stats('time').print_stats(15) where runsuite() runs the Hartree-Fock energy of a water molecule, and is given by: import u

Re: Multiprocessing Pool and functions with many arguments

On Apr 29, 1:01 pm, "psaff...@googlemail.com" wrote: > I'm trying to get to grips with the multiprocessing module, having > only used ParallelPython before. > > based on this example: > > http://docs.python.org/library/multiprocessing.html#using-a-pool-of-w... > > what happens if I want my "f" to

Re: Help! Can't get program to run.

In article <7618rjf1a3t8...@mid.uni-berlin.de>, "Diez B. Roggisch" wrote: > seanm...@gmail.com schrieb: > > I think this is maybe the most basic problem possible, but I can't get > > even the most basic Python to run on OS X using Terminal or IDLE. I > > used the IDLE editor to create a file with

Re: string processing question

> Kurt Mueller (KM) wrote: >KM> But from the command line python interprets the code >KM> as 'latin_1' I presume. That is why I have to convert >KM> the "ä" with unicode(). >KM> Am I right? There are a couple of stages: 1. Your terminal emulator interprets your keystrokes, encodes them in a

Re: Multiprocessing.Queue - I want to end.

Hendrik van Rooyen schreef: > I have always wondered why people do the one queue many getters thing. Because IMO it's the simplest and most elegant solution. > > Given that the stuff you pass is homogenous in that it will require a > similar amount of effort to process, is there not a case to be

Re: Why bool( object )?

On May 1, 4:30 am, Steven D'Aprano wrote: > On Fri, 01 May 2009 16:30:19 +1200, Lawrence D'Oliveiro wrote: > > I have never written anything so unbelievable in my life. And I hope I > > never will. > > I didn't say you did. If anyone thought I was quoting Lawrence's code, > I'd be surprised. It wa

Re: Multiprocessing.Queue - I want to end.

On Apr 30, 3:49 pm, Luis Zarrabeitia wrote: > Hi. I'm building a script that closely follows a producer-consumer model. In > this case, the producer is disk-bound and the consumer is cpu-bound, so I'm > using the multiprocessing module (python2.5 with the multiprocessing backport > from google.cod

Re: Profiling gives very different predictions of best algorithm

Rick Muller wrote: I'm the main programmer for the PyQuante package, a quantum chemistry package in Python. I'm trying to speed up one of my rate determining steps. Essentially, I have to decide between two algorithms: 1. Packed means that I compute N**4/8 integrals, and then do a bunch of index

Re: Help! Can't get program to run.

seanm...@gmail.com schrieb: I think this is maybe the most basic problem possible, but I can't get even the most basic Python to run on OS X using Terminal or IDLE. I used the IDLE editor to create a file with one line of code print 'text string' and I saved the file as module1.py. When using t

Re: Importing modules

norseman wrote: OH - something you mentioned that didn't seem to be addressed. import - load a complete library from - obtain specific 'function'(s) from a library from can also be used to get a specific module from a package If you 'import pack.mod', then you have to write 'pack.mod.ob' to

Re: Question about the wording in the python documents.

On 5/1/2009 1:02 PM grocery_stocker said... At the following url... http://docs.python.org/library/urllib2.html They have the following... "urllib2.urlopen(url[, data][, timeout]) Open the URL url, which can be either a string or a Request object" I don't get how urllib2.urlopen() can ta

Re: Passing a function as an argument from within the same class?

zealalot wrote: So, I'm trying to come up with a way to pass a method (from the same class) as the default argument for another method in the same class. Unfortunately though, I keep getting "self not defined" errors since the class hasn't been read completely before it references itself. Is the

Re: subprocess & shared environments

On May 1, 12:09 am, Robert Dailey wrote: > I'm currently calling subprocess.call() on a batch file (in Windows) > that sets a few environment variables that are needed by further > processes started via subprocess.call(). How can I persist the > environment modifications by the first call() functi

Help! Can't get program to run.

I think this is maybe the most basic problem possible, but I can't get even the most basic Python to run on OS X using Terminal or IDLE. I used the IDLE editor to create a file with one line of code print 'text string' and I saved the file as module1.py. When using terminal I entered "python" to

Re: wxPython having trouble with frame objects

On May 1, 12:12 am, Soumen banerjee wrote: > Hello, > Im not adding any GUI elements from the changer thread. Im just > attempting to change the value of a preexisting widget made in thread > one. The point is that i need to display text generated in thread 2 in > a GUI generated in thread 1. > As

Re: wxPython having trouble with frame objects

On Apr 30, 11:52 pm, Dave Angel wrote: > Soumen banerjee wrote: > > Hello, > > you say that  frame_1 is an attribute of the main class. The main > > class here is guithread right? so any instance of guithread should > > also have an attribute called frame_1 isnt it? Excuse me if im getting > > thi

Re: Profiling gives very different predictions of best algorithm

quantum chemistry sounds complicated. that means any advice i can give you makes me a genius! just kidding. i've heard through the grapevine that reentrant functions mess up profilers. On Fri, May 1, 2009 at 2:54 PM, Rick Muller wrote: > I'm the main programmer for the PyQuante package, a quantu

Profiling gives very different predictions of best algorithm

I'm the main programmer for the PyQuante package, a quantum chemistry package in Python. I'm trying to speed up one of my rate determining steps. Essentially, I have to decide between two algorithms: 1. Packed means that I compute N**4/8 integrals, and then do a bunch of indexing operations to unp

[ANN] Python testing client for Second Life virtual world

If anyone is curious, I'm working on a GUI shell for the python second life client, pyogp. Temp home for pyogp intro: https://wiki.secondlife.com/wiki/Pyogp/Client_Lib Basically the [first] plan is to have a GUI wrapper around the sample code with a batch file option, and to allow multiple ava

Question about the wording in the python documents.

At the following url... http://docs.python.org/library/urllib2.html They have the following... "urllib2.urlopen(url[, data][, timeout]) Open the URL url, which can be either a string or a Request object" I don't get how urllib2.urlopen() can take a Request object. When I do the following..

Re: How to measure the memory cost in Python?

On May 1, 10:56 am, CTO wrote: > > sys.getsizeof() [a suggested solution] isn't platform-specific. > > So, to answer the OP's question, you'd just do something like > > def get_totalsize(obj): >         total_size = sys.getsizeof(obj) >         for value in vars(obj).values(): >                 tr

Re: wxPython having trouble with frame objects

Soumen banerjee wrote: Hello, The code works almost perfectly. I was able to correct some small things, and get it to work brilliantly. I would like to thank you for your dedicated help. My understanding of the matter here has improved by a lot due to your kind help. I will further work on your s

Re: [Python-Dev] .pth files are evil

Chris Withers wrote: I'll say! I think .pth files are absolute evil and I wish they could just be banned. +1 on anything that makes them closer to going away or reduces the possibility of yet another similar feature from hurting the comprehensibility of a python setup. I've seen this view e

Re: Passing a function as an argument from within the same class?

Steven D'Aprano wrote: On Fri, 01 May 2009 07:35:40 -0700, zealalot wrote: So, I'm trying to come up with a way to pass a method (from the same class) as the default argument for another method in the same class My first instinct is to say "Don't do that!", but let's see if there's a way

Re: fcntl and siginfo_t in python

According to man signal, "The default action for an unhandled real-time signal is to terminate the receiving process." This means that my registered callback and sigaction does not work. I think the only solution would be to try this with a C-extension. Has anyone had any experience with this befo

Re: don't understand namespaces...

Simon Forman wrote: On Apr 30, 10:11 am, Lawrence Hanser wrote: Dear Pythoners, I think I do not yet have a good understanding of namespaces. Here is what I have in broad outline form: import Tkinter Class App(Frame) define two frames, buttons in o

Re: list comprehension question

John Posner wrote: Shane Geiger wrote: if type(el) == list or type(el) is tuple: A tiny improvement: if type(el) in (list, tuple): or (even better) if isinstance(el, (list, tuple)) However, it is my contention that you shouldn't be flattening by type -- you should know where,

Re: ctypes: reference of a struct member?

ctypes.byref() does not work for struct members. Try it out. class s(ctypes.Structure): _fields_ = [('x',ctypes.c_int)] a = s() ctypes.byref(a.x) //this won't work. On Fri, May 1, 2009 at 2:28 PM, CTO wrote: > ctypes.byref() > > -- > http://mail.python.org/mailman/listinfo/python-list > --

Re: Passing a function as an argument from within the same class?

zealalot wrote: On May 1, 10:50 am, CTO wrote: Make doNothing a classmethod. class SomeClass: @classmethod def doNothing(cls): pass def function1(self): print "Running function 1" def function2(self, passedFunction=meClass.doNothing): print "Runnin

Re: object query assigned variable name?

warpcat wrote: > I've passed this around some other groups, and I'm being told > "probably not possible". But I thought I'd try here as well :) I > *did* search first, and found several similar threads, but they > quickly tangented into other specifics of the language that were a bit > ove

Re: ctypes: reference of a struct member?

ctypes.byref() -- http://mail.python.org/mailman/listinfo/python-list

Re: urllib2 and threading

For better performance, lxml easily outperforms Beautiful Soup. For what its worth, the code runs fine if you switch from urllib2 to urllib (different exceptions are raised, obviously). I have no experience using urllib2 in a threaded environment, so I'm not sure why it breaks; urllib does OK, tho

Re: How to measure the memory cost in Python?

> sys.getsizeof() [a suggested solution] isn't platform-specific. So, to answer the OP's question, you'd just do something like def get_totalsize(obj): total_size = sys.getsizeof(obj) for value in vars(obj).values(): try: total_size += get_total_size(value)

Re: list comprehension question

Emile van Sebille writes: > On 5/1/2009 9:19 AM Arnaud Delobelle said... >> Emile van Sebille writes: >>> On 5/1/2009 7:31 AM J Kenneth King said... I love comprehensions, but abusing them can lead to really dense and difficult to read code. >>> I disagree on dense and difficult, altho

ctypes: reference of a struct member?

If I have this struct in C: struct spam { int ham; char foo; }; if I have this declaration: struct spam s_; If I wanted to pass a reference to a function of s_'s foo character, I can do something like this: somefunc(&s_.foo) How do I do the same thing in ctypes? ctypes.addressof(s_) +

Re: [Python-Dev] PEP 382: little help for stupid people?

>>> In either of the proposals on the table, what code would I write and >>> where to have a base package with a set of add-on packages? >> >> I don't quite understand the question. Why would you want to write code >> (except for the code that actually is in the packages)? >> >> PEP 382 is complete

Re: list comprehension question

On 5/1/2009 9:19 AM Arnaud Delobelle said... Emile van Sebille writes: On 5/1/2009 7:31 AM J Kenneth King said... I love comprehensions, but abusing them can lead to really dense and difficult to read code. I disagree on dense and difficult, although I'll leave open the question of abuse. b

Re: object query assigned variable name?

On Fri, 01 May 2009 13:03:56 -0400, David Robinow wrote: > Others have explained to you that this is not possible. I'll just point > out that your method for learning the language is not optimal. If you > had gotten a recipe to do what you asked, how would it help you write > better programs? Exa

Re: Passing a function as an argument from within the same class?

> Careful, bearophiles' answer remains the best one. > > The only reason your example worked is that you had already had > SomeClass defined (probably from a previous experiment). Scott is correct, and if bearophile and I ever give you conflicting advice, take bearophile's. A (corrected) bit of c

Re: object query assigned variable name?

On May 1, 10:03 am, David Robinow wrote: > On Fri, May 1, 2009 at 12:24 PM, warpcat wrote: > > I've passed this around some other groups, and I'm being told > > "probably not possible".  But I thought I'd try here as well :)   I > > *did* search first, and found several similar threads, but they

Re: Importing modules

Gabriel Genellina wrote: En Thu, 30 Apr 2009 14:33:38 -0300, Jim Carlock escribió: I'm messing around with a program right at the moment. It ends up as two applications, one runs as a server and one as a client which presents a Window. It almost works, so I need to work through it to work out i

Re: Passing a function as an argument from within the same class?

On Fri, 01 May 2009 07:35:40 -0700, zealalot wrote: > So, I'm trying to come up with a way to pass a method (from the same > class) as the default argument for another method in the same class. > Unfortunately though, I keep getting "self not defined" errors since the > class hasn't been read comp

Re: object query assigned variable name?

On May 1, 9:48 am, Steven D'Aprano wrote: > On Fri, 01 May 2009 09:24:10 -0700, warpcat wrote: > > I'd like it to print, when instanced, something like this: > > s = Spam() > > I’m assigned to s! > > > But it seems prohibitively hard (based on my web and forum searches) for > > an object to k

Re: Passing a function as an argument from within the same class?

On Fri, 01 May 2009 08:11:01 -0700, zealalot wrote: > On May 1, 10:50 am, CTO wrote: >> Make doNothing a classmethod. >> >> class SomeClass: >> >>     @classmethod >>     def doNothing(cls): >>         pass >> >>     def function1(self): >>         print "Running function 1" >> >>     def functio

Re: object query assigned variable name?

On Fri, May 1, 2009 at 12:24 PM, warpcat wrote: > I've passed this around some other groups, and I'm being told > "probably not possible".  But I thought I'd try here as well :)   I > *did* search first, and found several similar threads, but they > quickly tangented into other specifics of the la

Re: Re: list comprehension question

Shane Geiger wrote: if type(el) == list or type(el) is tuple: A tiny improvement: if type(el) in (list, tuple): -- http://mail.python.org/mailman/listinfo/python-list

Re: [Python-Dev] PEP 382: little help for stupid people?

Martin v. Löwis wrote: In either of the proposals on the table, what code would I write and where to have a base package with a set of add-on packages? I don't quite understand the question. Why would you want to write code (except for the code that actually is in the packages)? PEP 382 is com

Re: object query assigned variable name?

On Fri, 01 May 2009 09:24:10 -0700, warpcat wrote: > I'd like it to print, when instanced, something like this: > s = Spam() > I’m assigned to s! > > But it seems prohibitively hard (based on my web and forum searches) for > an object to know what variable name is has been assigned to when

Re: Multiprocessing Pool and functions with many arguments

> "psaff...@googlemail.com" (P) wrote: >P> I'm trying to get to grips with the multiprocessing module, having >P> only used ParallelPython before. >P> based on this example: >P> http://docs.python.org/library/multiprocessing.html#using-a-pool-of-workers >P> what happens if I want my "f" to

Re: [Python-Dev] .pth files are evil

Chris Withers wrote: M.-A. Lemburg wrote: """ If the package really requires adding one or more directories on sys.path (e.g. because it has not yet been structured to support dotted-name import), a "path configuration file" named package.pth can be placed in either the site-python or site-pac

Re: [Python-Dev] PEP 382: little help for stupid people?

> In either of the proposals on the table, what code would I write and > where to have a base package with a set of add-on packages? I don't quite understand the question. Why would you want to write code (except for the code that actually is in the packages)? PEP 382 is completely declarative -

Re: How to measure the memory cost in Python?

On May 1, 7:54 am, CTO wrote: > Not OP, but I'd actually like to know if there's an answer to this one > that doesn't involve platform-specific tools. Depending on what you need and the O/S you are using, this recipe may help That recipe also appe

Re: object query assigned variable name?

warpcat wrote: I've passed this around some other groups, and I'm being told "probably not possible". But I thought I'd try here as well :) ... Given an object: class Spam(object): def __init__(self): # stuff I'd like it to print, when instanced, something like this:

Re: list comprehension question

from goopy.functional import flatten # http://sourceforge.net/projects/goog-goopy/ b = [(1,2), (3,4), (5,6)] print flatten(b) #from goopy.functional import flatten # http://sourceforge.net/projects/goog-goopy/ def flatten(seq): """ Returns a list of the contents of seq with sublists and

Re: urllib2 and threading

robean wrote: > I am writing a program that involves visiting several hundred webpages > and extracting specific information from the contents. I've written a > modest 'test' example here that uses a multi-threaded approach to > reach the urls with urllib2. The actual program will involve fairly >

Re: Passing a function as an argument from within the same class?

zealalot wrote: On May 1, 10:50 am, CTO wrote: Make doNothing a classmethod. class SomeClass: @classmethod def doNothing(cls): ... def function2(self, passedFunction=SomeClass.doNothing): print "Running passed function" passedFunction() ... It's not surprising,

Re: [Python-Dev] PEP 382: Namespace Packages

P.J. Eby wrote: At 06:15 PM 4/15/2009 +0200, M.-A. Lemburg wrote: The much more common use case is that of wanting to have a base package installation which optional add-ons that live in the same logical package namespace. Please see the large number of Zope and PEAK distributions on PyPI as

Re: [Python-Dev] PEP 382: little help for stupid people?

M.-A. Lemburg wrote: The much more common use case is that of wanting to have a base package installation which optional add-ons that live in the same logical package namespace. The PEP provides a way to solve this use case by giving both developers and users a standard at hand which they can fo

object query assigned variable name?

I've passed this around some other groups, and I'm being told "probably not possible". But I thought I'd try here as well :) I *did* search first, and found several similar threads, but they quickly tangented into other specifics of the language that were a bit over my head :) At any rate, here

Re: [Python-Dev] .pth files are evil

M.-A. Lemburg wrote: """ If the package really requires adding one or more directories on sys.path (e.g. because it has not yet been structured to support dotted-name import), a "path configuration file" named package.pth can be placed in either the site-python or site-packages directory. ... A t

Re: list comprehension question

Emile van Sebille writes: > On 5/1/2009 7:31 AM J Kenneth King said... >> Chris Rebert writes: >>> b = [] >>> for pair in a: >>> for item in pair: >>> b.append(item) >> >> This is much more clear than a nested comprehension. >> >> I love comprehensions, but abusing them can lead to r

Re: string processing question

Kurt Mueller wrote: Scott David Daniels schrieb: To discover what is happening, try something like: python -c 'for a in "ä", unicode("ä"): print len(a), a' I suspect that in your encoding, "ä" is two bytes long, and in unicode it is converted to to a single character. :> python -c 'for a

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