Re: learning with python question (HtTLaPP)

2008-04-27 Thread Gabriel Genellina
En Sat, 26 Apr 2008 20:50:57 -0300, <[EMAIL PROTECTED]> escribió: > ok.. I finally made something that works.. Please let me know what you > think: > def lines(letters): > fin = open('words.txt') > count = 0 > rescount = 0 # count the number of results > results = ""

Re: Loading associated files

2008-04-27 Thread Gabriel Genellina
En Sun, 27 Apr 2008 19:13:06 -0300, <[EMAIL PROTECTED]> escribió: > No you didnt misunderstand the situation, i think i have confused > matters though!! When Ive got it working my program will read the data > within the file. But obviously for it to do that it needs to know > where the file is, he

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Related to Shelve Module

2008-04-27 Thread tarun
Hi All, I want to store the class instance object variables persistenlty in one file so that other file can also access for some filtering. I tired doing this using the shelve module. *Code:* class A: pass import shelve filename = 'test.db' d = shelve.open(filename) a = A() print a d['1'] =

Re: diffing and uniqing directories

2008-04-27 Thread rustom
On Apr 27, 11:29 pm, "telus news" <[EMAIL PROTECTED]> wrote: > Just so happens that I am partially finished a gui file backup app. I have > many backup CDs and I wanted to consolidate them. You know, all image files > in one dir, all install files in another dir, etc. My app scans the input > dir t

Re: Receive data from socket stream

2008-04-27 Thread Mark Tolonen
<[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] On Apr 26, 7:25 am, Irmen de Jong <[EMAIL PROTECTED]> wrote: [EMAIL PROTECTED] wrote: > Until now, I've been > doing this little trick: > data = client.recv(256) > new = data > while len(new) == 256: > new = client.recv(256) >

Re: Regular Expression - Matching Multiples of 3 Characters exactly.

2008-04-27 Thread Roy Smith
In article <[EMAIL PROTECTED]>, blaine <[EMAIL PROTECTED]> wrote: > Hey everyone, > For the regular expression gurus... > > I'm trying to write a string matching algorithm for genomic > sequences. I strongly suggest you stop trying to reinvent the wheel and read up on the Biopython project

Re: Regular Expression - Matching Multiples of 3 Characters exactly.

2008-04-27 Thread blaine
On Apr 27, 10:24 pm, [EMAIL PROTECTED] wrote: > On Apr 27, 8:31 pm, blaine <[EMAIL PROTECTED]> wrote: > > > > > Hey everyone, > > For the regular expression gurus... > > > I'm trying to write a string matching algorithm for genomic > > sequences. I'm pulling out Genes from a large genomic patter

Re: Regular Expression - Matching Multiples of 3 Characters exactly.

2008-04-27 Thread castironpi
On Apr 27, 8:31 pm, blaine <[EMAIL PROTECTED]> wrote: > Hey everyone, >   For the regular expression gurus... > > I'm trying to write a string matching algorithm for genomic > sequences.  I'm pulling out Genes from a large genomic pattern, with > certain start and stop codons on either side.  This

Re: [py2exe] What to download when updating?

2008-04-27 Thread David Bolen
Gilles Ganault <[EMAIL PROTECTED]> writes: > Hello > > Out of curiosity, if I recompile a Python (wxPython) app with > py2exe, can I have customers just download the latest .exe, or are > there dependencies that require downloading the whole thing again? It will depend on what you changed i

Re: py3k concerns. An example

2008-04-27 Thread Ben Finney
Aaron Watters <[EMAIL PROTECTED]> writes: > I think it's outrageous to change the basic usage for things like > dictionary.keys() when it would be so easy to leave the old > definition and add a new method like dictionary.keySet(). Except that name would be outrageously non-conformant with PEP 8.

Re: py3k concerns. An example

2008-04-27 Thread Aaron Watters
On Apr 27, 9:18 pm, "Martin v. Löwis" <[EMAIL PROTECTED]> wrote: > An existing application of an existing dict-like > object will continue to work just fine in Python 3, > right? Unless I mix my psuedodicts with standard dicts in the same list, for example, or pass them to functions intended to a

Regular Expression - Matching Multiples of 3 Characters exactly.

2008-04-27 Thread blaine
Hey everyone, For the regular expression gurus... I'm trying to write a string matching algorithm for genomic sequences. I'm pulling out Genes from a large genomic pattern, with certain start and stop codons on either side. This is simple enough... for example: start = AUG stop=AGG BBAUGW

Re: py3k concerns. An example

2008-04-27 Thread Martin v. Löwis
> This would save me personally a great deal of > painful tedium, I suspect (especially considering > that I've implemented a lot of "dictionary-like" > objects -- so I'll have to change the way their > "keys" method works -- or something -- I haven't > figured it out yet...). [...] > In C# and jav

Re: Python(2.5) reads an input file FASTER than pure C(Mingw)

2008-04-27 Thread hdante
On Apr 27, 4:54 pm, n00m <[EMAIL PROTECTED]> wrote: > Another PC, another OS (Linux) and another compiler C++ (g++ 4.0.0-8) > > Compare 2 my latest submissions:http://www.spoj.pl/status/SBANK,zzz/ > > times: 1.32s and 0.60s > > Submitted codes: > > import sys > z=sys.stdin.readlines() > print z[5]

Re: error: (10035, 'The socket operation...

2008-04-27 Thread Benjamin Kaplan
oops, forgot to post this to the list. sorry. On Sun, Apr 27, 2008 at 8:41 PM, Benjamin Kaplan <[EMAIL PROTECTED]> wrote: > > On Sun, Apr 27, 2008 at 7:01 PM, Don Hanlen <[EMAIL PROTECTED]> wrote: > > IDLE internal error in runcode() > > Traceback (most recent call last): > > File "C:\PYTHON

Re: py3k concerns. An example

2008-04-27 Thread Aaron Watters
> shame > 1 a. a painful emotion caused by consciousness of guilt, >      shortcoming, or impropriety > 2 a condition of humiliating disgrace or disrepute Sigh. This is stupid (in the usual usage), but I must reply because I can't control myself. I meant usage 5: "something regrettable, unfort

Re: How do I say "Is this a function"?

2008-04-27 Thread John Henry
On Apr 27, 10:49 am, Lie <[EMAIL PROTECTED]> wrote: > On Apr 27, 11:01 am, John Henry <[EMAIL PROTECTED]> wrote: > > > > > On Apr 26, 6:08 pm, "Martin v. Löwis" <[EMAIL PROTECTED]> wrote: > > > > > def f1(): > > > >print "In f1" > > > > > def f3(): > > > >print "In f3" > > > > > def others(

error: (10035, 'The socket operation...

2008-04-27 Thread Don Hanlen
IDLE internal error in runcode() Traceback (most recent call last): File "C:\PYTHON25\lib\idlelib\rpc.py", line 235, in asyncqueue self.putmessage((seq, request)) File "C:\PYTHON25\lib\idlelib\rpc.py", line 332, in putmessage n = self.sock.send(s[:BUFSIZE]) error: (10035, 'The socket op

Re: Python equivalent to PHP's SPL __autoload() ??

2008-04-27 Thread Max Erickson
Ixiaus <[EMAIL PROTECTED]> wrote: > I was curious (and have spent an enormous amount of time on Google > trying to answer it for myself) if Python has anything remotely > similar to PHP's SPL __autoload() for loading classes on the fly?? > > After digging through docs I feel doubtful there is suc

Looking for a change of pace?

2008-04-27 Thread skip
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Re: A small and very basic python question

2008-04-27 Thread Dan Bishop
On Apr 27, 5:26 pm, Dennis <[EMAIL PROTECTED]> wrote: > Dennis wrote: > > Could anyone tell me how this line of code is working: > > > filter(lambda x: x in string.letters, text) > > > I understand that it's filtering the contents of the variable text and I > > know that lambda is a kind of embedde

Re: A small and very basic python question

2008-04-27 Thread Dennis
I didn't give up after posting and managed to grasp this whole lambda thing! No need to respond now :-) I understood it the moment I tried to type out, instead of just thinking in my head, what was going on as a normal function. Dennis wrote: Could anyone tell me how this line of code is wor

Re: Loading associated files

2008-04-27 Thread flarefight
No you didnt misunderstand the situation, i think i have confused matters though!! When Ive got it working my program will read the data within the file. But obviously for it to do that it needs to know where the file is, hence the whole discussion. However to test things were working, just with re

A small and very basic python question

2008-04-27 Thread Dennis
Could anyone tell me how this line of code is working: filter(lambda x: x in string.letters, text) I understand that it's filtering the contents of the variable text and I know that lambda is a kind of embedded function. What I'd like to know is how it would be written if it was a normal fun

Re: python and web programming, easy way...?

2008-04-27 Thread Olivier Parisy
David a écrit : Also, I can't find any reference to cookies or sessions in the webpy online docs. Maybe it's possible to bolt on support with Python's Cookie module. The web.py cookbook describes how to use sessions and cookies: http://webpy.org/cookbook Regards, Olivier. -- http://mail.pytho

Re: print some text

2008-04-27 Thread Bjoern Schliessmann
barronmo wrote: > I haven't found a way from within python to print f. I'm sure > there it is something simple but I've been searching for a couple > weeks now with no luck. Tried some searching? http://wiki.wxpython.org/Printing HTH&Regards, Björn -- BOFH excuse #374: It's the InterNIC's

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Bjoern Schliessmann
bullockbefriending bard wrote: > 1) The data for the race about to start updates every (say) 15 > seconds, and the data for earlier and later races updates only > every > (say) 5 minutes. There is no point for me to be hammering the > server with requests every 15 seconds for data for races after

Re: Why can't timedeltas be divided?

2008-04-27 Thread webograph
On 2008-04-27 19:28, Martin v. Löwis wrote: Post a patch to bugs.python.org, optionally also post a message referring to that patch to python-dev. i've created an issue at [1]. let's hope for the best! thanks for your support webograph [1] http://bugs.python.org/issue2706 -- http://mail.pytho

Re: So you think PythonCard is old? Here's new wine in an old bottle.

2008-04-27 Thread John Henry
On Apr 27, 12:23 pm, Fred Pacquier <[EMAIL PROTECTED]> wrote: > John Henry <[EMAIL PROTECTED]> said : > > > Welcome to the modernized world of Pythoncard!!! > > Hey, that's really neat ! > > I remember dabbling in Pythoncard in the early days, some years ago, it was > a very interesting project. I

Re: So you think PythonCard is old? Here's new wine in an old bottle.

2008-04-27 Thread John Henry
On Apr 27, 11:36 am, Ron Stephens <[EMAIL PROTECTED]> wrote: > John, > > This is very interesting! Please do make this available. I love > PythonCard, but I am doing mainly web programming these days. > > I will mention this on my next podcast. Can you do a slider? > > Ron Stephens > Python411www.a

Re: Python equivalent to PHP's SPL __autoload() ??

2008-04-27 Thread ici
On Apr 27, 10:34 pm, Ixiaus <[EMAIL PROTECTED]> wrote: > I was curious (and have spent an enormous amount of time on Google > trying to answer it for myself) if Python has anything remotely > similar to PHP's SPL __autoload() for loading classes on the fly?? > > After digging through docs I feel do

Re: Tremendous slowdown due to garbage collection

2008-04-27 Thread Paul Rubin
"Terry Reedy" <[EMAIL PROTECTED]> writes: > Can this alternative be made easier by adding a context manager to gc > module to use with 'with' statements? Something like > > with gc.delay() as dummy: > That sonuds worth adding as a hack, but really I hope there can be an improved gc someday.

Re: Python(2.5) reads an input file FASTER than pure C(Mingw)

2008-04-27 Thread n00m
Another PC, another OS (Linux) and another compiler C++ (g++ 4.0.0-8) Compare 2 my latest submissions: http://www.spoj.pl/status/SBANK,zzz/ times: 1.32s and 0.60s Submitted codes: import sys z=sys.stdin.readlines() print z[5] #include #include #include #include using namespace std; vect

Re: Installed python 2.5 over 2.4 and lost installed packages

2008-04-27 Thread Mike Driscoll
On Apr 27, 8:15 am, [EMAIL PROTECTED] wrote: > Hi all, > > I recently updated os x from python 2.4 to 2.5 (from python.org) and > in doing so I lost my old python path entries. Python 2.4 was > installed using fink.  Now when I do: > > import sys > print sys.path > > my old site-packages directory

Python equivalent to PHP's SPL __autoload() ??

2008-04-27 Thread Ixiaus
I was curious (and have spent an enormous amount of time on Google trying to answer it for myself) if Python has anything remotely similar to PHP's SPL __autoload() for loading classes on the fly?? After digging through docs I feel doubtful there is such a language feature, but, it is possible I m

Re: API's and hardware communication. Newbie

2008-04-27 Thread Diez B. Roggisch
I am new to this group so 'Hello All' I have a PC which is running linux and in it have installed a digital satellite card. I would like to write some software to access the card, tune it and bring back video. Basically a home brew DVB-s application. Being a non/new programmer (apart from some b

Re: Tremendous slowdown due to garbage collection

2008-04-27 Thread Terry Reedy
"Dieter Maurer" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] | We observed similar very bad behaviour -- in a Web application server. | Apparently, the standard behaviour is far from optimal when the | system contains a large number of objects and occationally, large | numbers of o

Re: So you think PythonCard is old? Here's new wine in an old bottle.

2008-04-27 Thread Fred Pacquier
John Henry <[EMAIL PROTECTED]> said : > Welcome to the modernized world of Pythoncard!!! Hey, that's really neat ! I remember dabbling in Pythoncard in the early days, some years ago, it was a very interesting project. I gave it up eventually, partly because it seemed somewhat abandoned (I see

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread David
> Tempting thought, but one of the problems with this kind of horse > racing tote data is that a lot of it is for combinations of runners > rather than single runners. Whilst there might be (say) 14 horses in a > race, there are 91 quinella price combinations (1-2 through 13-14, > i.e. the 2-s

Re: Python(2.5) reads an input file FASTER than pure C(Mingw)

2008-04-27 Thread n00m
Lie wrote: > On Apr 27, 6:28�am, n00m <[EMAIL PROTECTED]> wrote: > > No so simple, guys. > > E.g., I can't solve (in Python) this:http://www.spoj.pl/problems/INTEST/ > > Keep getting TLE (time limit exceeded). Any ideas? After all, it's > > weekend. > > > > 450. Enormous Input Test > > Problem co

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread David
> 3) I need to dump this data (for all races, not just current about to > start race) to text files, store it as BLOBs in a DB *and* update real > time display in a wxpython windowed client. A few important questions: 1) How real-time must the display be? (should update immediately after you g

Re: Mapping and Filtering Help for Lists

2008-04-27 Thread Arnaud Delobelle
Zethex <[EMAIL PROTECTED]> writes: > Thank you a lot! > > Another quick couple of questions. > > How can i make it so it removes special operators such as ? ! or doesnt > include them? As you are doing lots of string manipulations, I advise you to read the section of the python documentation on s

Re: Receive data from socket stream

2008-04-27 Thread s0suk3
On Apr 26, 7:25 am, Irmen de Jong <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > Until now, I've been > > doing this little trick: > > > data = client.recv(256) > > new = data > > while len(new) == 256: > > new = client.recv(256) > > data += new > > Are you aware that recv() will

Re: So you think PythonCard is old? Here's new wine in an old bottle.

2008-04-27 Thread Ron Stephens
John, This is very interesting! Please do make this available. I love PythonCard, but I am doing mainly web programming these days. I will mention this on my next podcast. Can you do a slider? Ron Stephens Python411 www.awaretek.com/python/index.html -- http://mail.python.org/mailman/listinfo/py

Re: Python(2.5) reads an input file FASTER than pure C(Mingw)

2008-04-27 Thread Lie
On Apr 27, 6:28 am, n00m <[EMAIL PROTECTED]> wrote: > No so simple, guys. > E.g., I can't solve (in Python) this:http://www.spoj.pl/problems/INTEST/ > Keep getting TLE (time limit exceeded). Any ideas? After all, it's > weekend. > > 450. Enormous Input Test > Problem code: INTEST > > The purpose of

Re: diffing and uniqing directories

2008-04-27 Thread telus news
Just so happens that I am partially finished a gui file backup app. I have many backup CDs and I wanted to consolidate them. You know, all image files in one dir, all install files in another dir, etc. My app scans the input dir tree and displays all file extensions that it finds. You can then r

Re: Loading associated files

2008-04-27 Thread Lie
On Apr 27, 8:21 pm, [EMAIL PROTECTED] wrote: > Yep, thats pretty much exactly what i had done, those exact settings, > and it still doesnt work. As i said i looked at the other keys to > check i had done it right and a i said the settings are fine because i > can send the file to python.exe and it

Re: Mapping and Filtering Help for Lists

2008-04-27 Thread Zethex
Thank you a lot! Another quick couple of questions. How can i make it so it removes special operators such as ? ! or doesnt include them? and I need to lowercase the words so should i use sentence = sentence.lower()? -- View this message in context: http://www.nabble.com/Mapping-and-Filterin

Re: Mapping and Filtering Help for Lists

2008-04-27 Thread Zethex
Thank you for the help so far. Another quick question, how can I remove the special characters such as ! and ?. I also need to lowercase the words so should i use sentence = sentence.lower() ? Thank you -- View this message in context: http://www.nabble.com/Mapping-and-Filtering-Help-for-List

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread David
> Date is the time of the server response and not last data update. Data > is definitely time of server response to my request and bears no > relation to when the live XML data was updated. I know this for a fact > because right now there is no active race meeting and any data still > availabl

Re: Python(2.5) reads an input file FASTER than pure C(Mingw)

2008-04-27 Thread n00m
Both codes by Dennis Lee Bieber are Ok. The 2nd one ("slurper") , seems , a bit faster. I only corrected the author's typo: should be "% div" instead of "/ div". And added this (don't know helped it or not): if div == 1: print lim return And of course: import psyco psyco.full() -- http:

Re: How do I say "Is this a function"?

2008-04-27 Thread Lie
On Apr 27, 11:01 am, John Henry <[EMAIL PROTECTED]> wrote: > On Apr 26, 6:08 pm, "Martin v. Löwis" <[EMAIL PROTECTED]> wrote: > > > > > > def f1(): > > >    print "In f1" > > > > def f3(): > > >    print "In f3" > > > > def others(): > > >    print "In others" > > > > for i in xrange(1,3): > > >  

Re: Tremendous slowdown due to garbage collection

2008-04-27 Thread Martin v. Löwis
> Martin said it but nevertheless it might not be true. > > We observed similar very bad behaviour -- in a Web application server. > Apparently, the standard behaviour is far from optimal when the > system contains a large number of objects and occationally, large > numbers of objects are created

Re: Why can't timedeltas be divided?

2008-04-27 Thread Martin v. Löwis
> i've had a look at the source code and written a small patch (attached; > contains a case in classical/floor division as well as truediv). > is there a defined escalation procedure from python-list to python-dev > or should i just send the suggestion+patch there? Post a patch to bugs.python.org,

Re: So you think PythonCard is old? Here's new wine in an old bottle.

2008-04-27 Thread castironpi
On Apr 26, 11:04 pm, John Henry <[EMAIL PROTECTED]> wrote: > On Apr 26, 3:03 pm, John Henry <[EMAIL PROTECTED]> wrote: > > > > > > > On Apr 26, 8:46 am, [EMAIL PROTECTED] (Aahz) wrote: > > > > In article <[EMAIL PROTECTED]>, > > > John Henry  <[EMAIL PROTECTED]> wrote: > > > > >But then I looked cl

Re: Why can't timedeltas be divided?

2008-04-27 Thread Martin v. Löwis
> Well, http://bugs.python.org/issue1673409 seems very closely related. I can't see the relationship. This issue is about conversion methods, not about arithmetic. Regards, Martin -- http://mail.python.org/mailman/listinfo/python-list

Re: diffing and uniqing directories

2008-04-27 Thread castironpi
On Apr 27, 2:37 am, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Sat, 26 Apr 2008 20:35:29 -0700, rustom wrote: > > On Apr 27, 12:31 am, [EMAIL PROTECTED] wrote: > >> On Apr 26, 1:14 pm, "Rustom Mody" <[EMAIL PROTECTED]> wrote: > >> […] > > > If this is an answer to my question I dont u

Re: Mapping and Filtering Help for Lists

2008-04-27 Thread Arnaud Delobelle
Zethex <[EMAIL PROTECTED]> writes: > Alright I got asked today by a friend this question, which obviously I > couldn't help him with. > > He needs to get rid of words in a string referring to an already given list > then needs to map them using a function he already has. Ill explain this > better

Re: Mapping and Filtering Help for Lists

2008-04-27 Thread Eric Wertman
You should check out the sets module: http://docs.python.org/lib/module-sets.html > > The problem asks to create a "compareandremove" so that you can use it on a > string, to remove the words from the string that are contained in un_words. > > The remaining words then need to be compared to

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Jorge Godoy
bullockbefriending bard wrote: > Tempting thought, but one of the problems with this kind of horse > racing tote data is that a lot of it is for combinations of runners > rather than single runners. Whilst there might be (say) 14 horses in a > race, there are 91 quinella price combinations (1-2 th

Re: Tremendous slowdown due to garbage collection

2008-04-27 Thread Dieter Maurer
Christian Heimes <[EMAIL PROTECTED]> writes on Sat, 12 Apr 2008 18:47:32 +0200: > [EMAIL PROTECTED] schrieb: > > which made me suggest to use these as defaults, but then > > Martin v. Löwis wrote that > > > >> No, the defaults are correct for typical applications. > > > > At that point I felt los

Mapping and Filtering Help for Lists

2008-04-27 Thread Zethex
Alright I got asked today by a friend this question, which obviously I couldn't help him with. He needs to get rid of words in a string referring to an already given list then needs to map them using a function he already has. Ill explain this better by giving an example :P Say ur given these l

Re: removing extension

2008-04-27 Thread Arnaud Delobelle
Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> writes: > Not exactly. In the case of no extension `os.path.splitext()` still works: > > In [14]: 'foo/bar.txt'.rsplit('.') > Out[14]: ['foo/bar', 'txt'] > > In [15]: 'foo/bar'.rsplit('.') > Out[15]: ['foo/bar'] > > In [16]: os.path.splitext('foo/bar')

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread bullockbefriending bard
On Apr 27, 11:27 pm, "BJörn Lindqvist" <[EMAIL PROTECTED]> wrote: > I think twisted is overkill for this problem. Threading, elementtree > and urllib should more than suffice. One thread polling the server for > each race with the desired polling interval. Each time some data is > treated, that thr

Re: removing extension

2008-04-27 Thread Marc 'BlackJack' Rintsch
On Sun, 27 Apr 2008 15:06:54 +, Matt Nordhoff wrote: > Arnaud Delobelle wrote: >> More simply, use the rsplit() method of strings: >> > path = r'C:\myimages\imageone.jpg' > path.rsplit('.', 1) >> ['C:\\myimages\\imageone', 'jpg'] >> >> > path = r"C:\blahblah.blah\images.20.jpg"

Re: convert images

2008-04-27 Thread Marc 'BlackJack' Rintsch
On Sun, 27 Apr 2008 06:42:13 -0700, wilson wrote: > i converted some P5 type .pgm images to .jpg using > […] > ie if oldimage.pgm has pixels > [29 31 38 ..., 10 4 18] > then the corresponding jpg image has > [29 31 38 ..., 10 3 17] > > why this difference? shouldn't they be identical?can someo

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread bullockbefriending bard
On Apr 27, 11:12 pm, Jorge Godoy <[EMAIL PROTECTED]> wrote: > bullockbefriending bard wrote: > > A further complication is that at a later point, I will want to do > > real-time time series prediction on all this data (viz. predicting > > actual starting prices at post time x minutes in the future)

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Jarkko Torppa
On 2008-04-27, David <[EMAIL PROTECTED]> wrote: >> >> 1) The data for the race about to start updates every (say) 15 >> seconds, and the data for earlier and later races updates only every >> (say) 5 minutes. There is no point for me to be hammering the server >> with requests every 15 seconds

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread BJörn Lindqvist
I think twisted is overkill for this problem. Threading, elementtree and urllib should more than suffice. One thread polling the server for each race with the desired polling interval. Each time some data is treated, that thread sends a signal containing information about what changed. The gui list

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Jorge Godoy
bullockbefriending bard wrote: > 3) I need to dump this data (for all races, not just current about to > start race) to text files, store it as BLOBs in a DB *and* update real > time display in a wxpython windowed client. Why in a BLOB? Why not into specific data types and normalized tables? Yo

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread bullockbefriending bard
On Apr 27, 10:10 pm, David <[EMAIL PROTECTED]> wrote: > >  1) The data for the race about to start updates every (say) 15 > >  seconds, and the data for earlier and later races updates only every > >  (say) 5 minutes. There is  no point for me to be hammering the server > >  with requests every 15

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Jorge Godoy
bullockbefriending bard wrote: > A further complication is that at a later point, I will want to do > real-time time series prediction on all this data (viz. predicting > actual starting prices at post time x minutes in the future). Assuming > I can quickly (enough) retrieve the relevant last n to

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread bullockbefriending bard
On Apr 27, 10:05 pm, "Eric Wertman" <[EMAIL PROTECTED]> wrote: > HI, that does look like a lot of fun... You might consider breaking > that into 2 separate programs.  Write one that's threaded to keep a db > updated properly, and write a completely separate one to handle > displaying data from your

Re: Question regarding Queue object

2008-04-27 Thread David
(re-cc-ing the list) On Sun, Apr 27, 2008 at 4:40 PM, Terry Yin <[EMAIL PROTECTED]> wrote: > Defaultdict is not an option because there will be a lot of message IDs (and > increasing). I will implement LookAheadQueue class by overriding the Queue > class. > > Thanks for your kind advice. > > BTW,

Re: python and web programming, easy way...?

2008-04-27 Thread David
> > www.webpy.org is supereasy to get going with. dont know which is > better for advanced stuff. > I don't think that webpy supports sessions. Their addition to webpy is a Google Summer of Code project: http://webpy.org/sessions/gsoc Also, I can't find any reference to cookies or sessions in

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread David
> > 1) The data for the race about to start updates every (say) 15 > seconds, and the data for earlier and later races updates only every > (say) 5 minutes. There is no point for me to be hammering the server > with requests every 15 seconds for data for races after the upcoming Try using an

Re: removing extension

2008-04-27 Thread Matt Nordhoff
Arnaud Delobelle wrote: > More simply, use the rsplit() method of strings: > path = r'C:\myimages\imageone.jpg' path.rsplit('.', 1) > ['C:\\myimages\\imageone', 'jpg'] > > path = r"C:\blahblah.blah\images.20.jpg" path.rsplit('.', 1) > ['C:\\blahblah.blah\\images.20', 'jpg'] >

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Eric Wertman
HI, that does look like a lot of fun... You might consider breaking that into 2 separate programs. Write one that's threaded to keep a db updated properly, and write a completely separate one to handle displaying data from your db. This would allow you to later change or add a web interface witho

Re: print some text

2008-04-27 Thread barronmo
On Apr 25, 2:44 pm, "Gabriel Ibanez" <[EMAIL PROTECTED]> wrote: > Hi ! > > Other idea (old style school): > > def printing(): >f=open("lpt1", "w") >f.write("\nSomething to print\f") >f.close() > > Cheers.. > > - Ibanez - > I haven't found a way from within python to print f. I'm sure

Re: Random/anonymous class methods

2008-04-27 Thread castironpi
On Apr 27, 7:11 am, Arnaud Delobelle <[EMAIL PROTECTED]> wrote: > philly_bob <[EMAIL PROTECTED]> writes: > > In the sample program below, I want to send a random method to a class > > instance. > > In other words, I don't know which method to send until run-time.  How > > can I send ch, which is my

Re: Random/anonymous class methods

2008-04-27 Thread Ben Finney
philly_bob <[EMAIL PROTECTED]> writes: > How can I send ch, which is my random choice, to the myclass > instance? > > Thanks, > > Bob= > > > import random > > class myclass(object): >def meth1(self): > print 'meth1' >def meth2(self): > print 'meth2' > > c=myclass() >

Re: design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread Larry Bates
bullockbefriending bard wrote: I am a complete ignoramus and newbie when it comes to designing and coding networked clients (or servers for that matter). I have a copy of Goerzen (Foundations of Python Network Programming) and once pointed in the best direction should be able to follow my nose an

ANN: pyspread 0.0.4

2008-04-27 Thread Martin Manns
Hi, The newest version pyspread 0.0.4 now runs on + GTK + Windows + Mac (not tested myself but got positive reports) New features in 0.0.4: + Column, line and table insertion and deletion + Themeable toolbar Feedback is very welcome! Best Regards Martin -- http://mail.python.org/mailman/listi

Re: Question regarding Queue object

2008-04-27 Thread David
> WaitMsg will get only msg with certain ids, but this is not possible > in Queue object, because Queue provides no method to peek into the > message queue and fetch only matched item. > > Now I'm using an ugly solution, fetch all the messages and put the not > used ones back to the queue. But

convert images

2008-04-27 Thread wilson
hi i converted some P5 type .pgm images to .jpg using x=Image.open("oldimage.pgm") imsz=x.size newimg=Image.new('L',imsz) newimg.putdata(x.getdata()) newimg.save("newimg.jpg") when i again check the pixel data for these images using getdata() method i,I find that they are slightly different ie if

Re: Question regarding Queue object

2008-04-27 Thread Terry
On Apr 27, 6:27 pm, Terry <[EMAIL PROTECTED]> wrote: > Hello! > > I'm trying to implement a message queue among threads using Queue. The > message queue has two operations: > PutMsg(id, msg) # this is simple, just combine the id and msg as one > and put it into the Queue. > WaitMsg(ids, msg) # thi

design choice: multi-threaded / asynchronous wxpython client?

2008-04-27 Thread bullockbefriending bard
I am a complete ignoramus and newbie when it comes to designing and coding networked clients (or servers for that matter). I have a copy of Goerzen (Foundations of Python Network Programming) and once pointed in the best direction should be able to follow my nose and get things sorted... but I am n

Re: Installed python 2.5 over 2.4 and lost installed packages

2008-04-27 Thread Ben Kaplan
I don't know what the best practice is, but just creating sym links into site-packages will work, and it saves the extra memory from cp'ing. - Original Message From: "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> To: python-list@python.org Sent: Sunday, April 27, 2008 9:15:06 AM Subject: Insta

Re: Loading associated files

2008-04-27 Thread flarefight
Yep, thats pretty much exactly what i had done, those exact settings, and it still doesnt work. As i said i looked at the other keys to check i had done it right and a i said the settings are fine because i can send the file to python.exe and it loads like a python file fine, but it doesn't like pa

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