On Mon, 6 Dec 2004, kumar s wrote:
Here is how my file looks:
Name=3492_at
Cell1=481 13 (The space between (481 and 13 is tab)
Cell1=481 13
Cell1=481 13
Name=1001_at
Cell1=481 13
Cell2=481 12
Cell1=481 13
Cell1=481 13
Cell2=481 12
Name=1002_at
Cell3=482 12
Cell1=481 13
Cell1=481
On Thu, 9 Dec 2004, Jacob S. wrote:
Nothing I can do can fix my problem. It appears as though
pythonw.exe is not working properly in the python 2.4 distribution.
[some text cut]
The symptoms: I click on edit with
idle--which runs the command C:\python24\pythonw.exe
On Tue, 14 Dec 2004, Nik wrote:
ok, problem solved (well, partly - at least as much as I need it to be).
status = os.system('ps') doesn't set status equal to the output text, it
sets it to the return of the call (in this case '0'). What I really want
to do is
status =
On Tue, 14 Dec 2004, Gooch, John wrote:
I am used to ( in Perl ) the entire string being searched for a match
when using RegExp's. I assumed this was the way Python would do it do,
as Java/Javascript/VbScript all behaved in this manner. However, I found
that I had to add .* in front of my
On Thu, 16 Dec 2004, mdcooper wrote:
I am trying to run a least squares program (written by Konrad Hinsen)
Hi Matthew,
You're assuming that we know who Konrad Hinsen is. *grin* Ok, when you're
referring to the least-squared code, are you referring to a module in
Scientific Python?
Please
On Fri, 17 Dec 2004, Rene Bourgoin wrote:
Yes i believe im looking for the python version of the Jakarta databse
connection pool!!
Hi Rene,
I haven't looked at this too closely yet, but there are projects out there
for connection pools. For example:
http://sqlrelay.sourceforge.net/
On Fri, 17 Dec 2004, Rene Bourgoin wrote:
Ive been learning to interact with databases using python and i was
looking for ways to return a SELECT query result in a plain format. what
i mean by plain format is :
name numberaddress
Fred Smith 2125553243 1 main st
All
On Fri, 17 Dec 2004, Kent Johnson wrote:
The recipe you cite has the pp() function and an example of its use. It
sounds like that is what you want.
Part of the pandemonium was my fault. I completely missed your earlier
post here:
On Fri, 10 Dec 2004, Ertl, John wrote:
I am trying to get the maximum value in a 2-D array. I can use max but
it returns the 1-D array that the max value is in and I then I need to
do max again on that array to get the single max value.
There has to be a more straightforward way...I have
On Sun, 26 Dec 2004, Jacob S. wrote:
The only thing that's missing is that this script can't handle paths
like ~/dir/junkthis
I believe you're looking for os.path.expanduser(~/dir/junkthis)
BTW, trashcan IS a module level variable because it's defined at the module
level. Why it says
[Jacob]
BTW, trashcan IS a module level variable because it's defined at the
module level. Why it says it's local is beyond me.
[Danny]
Ah, you must be running into the global/local gotcha.
[long rambling text cut]
Wait, wait. Forget everything I said. *grin* I should have read the
On Fri, 31 Dec 2004, kumar s wrote:
I am trying to parse BLAST output (Basic Local Alignment Search Tool,
size around more than 250 KB ).
[xml text cut]
Hi Kumar,
Just as a side note: have you looked at Biopython yet?
http://biopython.org/
I mention this because Biopython comes with
On Fri, 31 Dec 2004, kumar s wrote:
http://www.python.org/doc/lib/dom-example.html
Frankly it looked more complex. could I request you to explain your
pseudocode. It is confusing when you say call a function within another
function.
Hi Kumar,
A question, though: can you try to explain
On Thu, 30 Dec 2004, Anna Ravenscroft wrote:
Anna Martelli Ravenscroft
42, 2 children (13 and 11) live with their dad
Married this July to the martelli-bot (we read The Zen of Python at our
wedding!). We currently live in Bologna, Italy.
Hi Anna,
Congratulations! Say hi to Alex for me;
On Mon, 3 Jan 2005, Brian van den Broek wrote:
(Aside: one nonobvious example where copying can be avoided is in
Conway's Game of Life: when we calculate what cells live and die in
the next generation, we can actually use the 'Command' design pattern
to avoid making a temporary copy of
On Tue, 4 Jan 2005, Michael Powe wrote:
def parseFile(inFile) :
import re
bSpace = re.compile(^ )
multiSpace = re.compile(r\s\s+)
nbsp = re.compile(rnbsp;)
HTMLRegEx =
re.compile(r(lt;|)/?((!--.*--)|(STYLE.*STYLE)|(P|BR|b|STRONG))/?(gt;|)
,re.I)
f =
Just as a warning, none of what I'm going to code here is original at
all: I'm rehashing a main idea off of a paper called Using the Game
of Life to Introduce Freshman Students to the Power and Elegance of
Design Patterns:
http://portal.acm.org/citation.cfm?id=1035292.1028706
On Wed, 5 Jan 2005, Kooser, Ara S wrote:
They picked a project to model the flow of smallpox in a city and
surroundings areas. So I saw the game of life and thought maybe they
could modify it for use as a smallpox model.
Hi Ara,
Oh! My apologies for not posting the file as a complete
On Thu, 6 Jan 2005, Fred Lionetti wrote:
I'm working on creating an installer for my program using install
shield, and I'd like to know how one can automatically determine if
Python 2.3 is installed on a linux machine, and where site-packages is
located (so that I can install my own files
On Thu, 6 Jan 2005, Alan Gauld wrote:
I'm _very_ used to using C style constants (preprocessor #define
directives) or C++ const keyword style, for a variety of reasons.
I've yet to see anything covering 'how to work around the lack of
constants in Python'...can anyone point me in the
I'm working on creating an installer for my program using install
shield, and I'd like to know how one can automatically determine if
Python 2.3 is installed on a linux machine
Hi Fred,
Sorry about ignoring parts of your question! Unix has default places for
putting binaries like
On Thu, 6 Jan 2005, Vincent Wan wrote:
On Jan 6, 2005, at 12:59 PM, Danny Yoo wrote:
Can you show us a snippet of the file output? I'm not immediately
seeing anything particular with your debugging output statements:
Like the computer, I don't yet understand what the problem is. *grin
On Fri, 7 Jan 2005, Mark Kels wrote:
I started to read the following code (I will start working on it when
this problem is fixed) and it looks OK while I read it. But for some
reason it doesn't work...
Hi Mark,
Ok, let's take a look at the error message:
Traceback (most recent call
To help you out. You need some sort of error checking to be sure that
within your given range you won't get something like a math domain
error.
Yes, I thought that:
try:
#function
exception:
pass
Hi Ismael,
Python's keyword for exception handling is 'except', so this can
On Tue, 11 Jan 2005, Liam Clarke wrote:
(Why can't a non-static method comparison be called from a static
reference? What does that mean anyway?
Er... What was your code like? (before and after correcting
the error)
Hi Liam,
It's actually easier to see the reason if we do
On Mon, 10 Jan 2005, R. Alan Monroe wrote:
I don't have the code here at home, but today I tried my first
experiments in Tkinter. I set up a button that fired off a function to
resize a rectangle in a canvas, with a for loop. Only problem is that
the screen isn't repainted in all the steps
On Tue, 11 Jan 2005, kevin parks wrote:
but as always you may notice a wrinkle some items have many times
(here 6) indicated:
Item_3TAPE_139:4110:41
Item_3TAPE_1410:4711:19
Item_3TAPE_1511:2111:55
Item_3TAPE_1611:5812:10
On Wed, 12 Jan 2005, Gopinath V, ASDC Chennai wrote:
I'm a Novice in python.can u tell me if there is a frontend available
.if yes where can i download it from
Hello Gopinath,
Can you explain what you mean by frontend? The word frontend suffers
from being too generic to be able to tell
Can you explain what you mean by frontend? The word frontend
suffers from being too generic to be able to tell what you mean.
I meant a GUI like Microsofts Visual Basic
[Keeping Tutor@python.org in CC. Please use Reply-to-all in replies, so
that we can keep the conversation on list.]
On Wed, 12 Jan 2005, Barnaby Scott wrote:
I was wondering how you can get an instance of a class to change itself
into something else (given certain circumstances), but doing so from
within a method. So:
class Damson:
def __str__(self):
return 'damson'
def dry(self):
On Wed, 12 Jan 2005, Orri Ganel wrote:
stuff = [[0,'sdfsd','wrtew'], [1, 'rht','erterg']]
stuff
[[0, 'sdfsd', 'wrtew'], [1, 'rht', 'erterg']]
print [stuff[i][0] for i in range(len(stuff))]
[0, 1]
Hi Orri,
An alternative way to write this is:
###
print [row[0] for row in stuff]
On Wed, 12 Jan 2005, Marilyn Davis wrote:
When stuff was read from the exim socket, it was stored in a tempfile,
so that I could release the exim process, then I lseek to the front of
the tempfile and have it handy. I see from all my debugging and logging
that the file descriptor for this
Just double checking something: are you dealing with threads?
Hi Marilyn,
Argh, that was a dumb question. Pretend I didn't ask it that way.
*grin*
I meant to ask:
How do you deal with threads? Is the temporary file a global resource
that the threads all touch? If so, have you done any
On Wed, 12 Jan 2005, Marilyn Davis wrote:
I was looking at my use of file objects and file descriptors and I wrote
this sample program and was very surprised by the result -- which makes
me think there's something here that I don't understand. Where did my
'ooo' go?
#! /usr/bin/env python
On Thu, 13 Jan 2005, kumar s wrote:
My list looks like this: List name = probe_pairs
Name=AFFX-BioB-5_at
Cell1=96 369 N control AFFX-BioB-5_at
Cell2=96 370 N control AFFX-BioB-5_at
Cell3=441 3 N control AFFX-BioB-5_at
Cell4=441 4 N
On Thu, 13 Jan 2005, joeri honnef wrote:
I'm trying to communicate between Python and Java and using os.popen().
But thing dont work...The Java program reads strings from stdin and the
python program just writes to stdout.
Hi Joeri,
You may want to look at:
I have only wrapped my lock around file-descriptor creations. Should I
wrap it around closings too? Or the whole open - close transaction?
It sounds like error-prone work to do the latter. What am I missing?
Hi Marilyn,
Can you send a link to the source code to the Tutor list? I'm
stuff = [[0,'sdfsd','wrtew'], [1, 'rht','erterg']]
stuff
[[0, 'sdfsd', 'wrtew'], [1, 'rht', 'erterg']]
print [stuff[i][0] for i in range(len(stuff))]
[0, 1]
An alternative way to write this is:
###
print [row[0] for row in stuff]
###
which extracts the first
Hi Marilyn,
[Long program comments ahead. Please forgive me if some of the comments
are overbearing; I'm trying to get over a cold, and I'm very grumpy.
*grin*]
Some comments on the code follow. I'll be focusing on:
http://www.maildance.com/python/doorman/py_daemon.py
One of the import
On Tue, 18 Jan 2005, Danny Yoo wrote:
In fact, as far as I can tell, none of the Spawn() threads are
communicating with each other. As long as your threads are working
independently of each other --- and as long as they are not writing to
global variables --- you do not need locks
On Tue, 18 Jan 2005, Marilyn Davis wrote:
while 1:
if log.level log.calls:
log.it(fd%d:py_daemon.py: Waiting ..., self.descriptor)
try:
client_socket, client_addr = self.server_socket.accept()
except (EOFError,
On Wed, 19 Jan 2005, Max Noel wrote:
I've just spent the last few hours learning how to use the DOM XML
API (to be more precise, the one that's in PyXML), instead of revising
for my exams :p. My conclusion so far: it sucks (and so does SAX because
I can't see a way to use it for OOP
On Wed, 19 Jan 2005, Ertl, John wrote:
I am using the subprocess.Popen from 2.4. I can launch a job from
python and the output from the job goes to the screen but now I would
like to have the output go to a file. I could do the crude
subprocess.Popen(dtg | cat job.out, shell=True)
But
On Wed, 19 Jan 2005, Marilyn Davis wrote:
class Exim:
def __init__(self):
self.fdin = None
self.err_flush = []
self.stdout, self.stdin, self.stderr = popen2.popen3('%s -t' %
MAILER)
self.fdin = self.stdin.fileno()
self.fdout =
On Fri, 21 Jan 2005, Guillermo Fernandez Castellanos wrote:
I'm trying to take a list and find all the unique combinations of that
list.
I mean:
if I enter (1,2,3,4,5) and I watn combinations of 3, I want to find:
(1,2,3) but then not (2,1,3), (3,1,2),...
(1,2,4)
(1,2,5)
(2,3,5)
On Fri, 21 Jan 2005, Danny Yoo wrote:
I mean:
if I enter (1,2,3,4,5) and I watn combinations of 3, I want to find:
(1,2,3) but then not (2,1,3), (3,1,2),...
(1,2,4)
(1,2,5)
(2,3,5)
(3,4,5)
There is a clean recursive way to define this.
Hi Guillermo,
Gaaa; I screwed up
On Sat, 22 Jan 2005, Ali Polatel wrote:
I want to ask you something that I am really curious about.
Can I design web-pages with python or use py files to write html?
Hi Ali,
Almost every programming language allows us to write strings into files,
so from an academic standpoint,
On Sun, 23 Jan 2005, Scott W wrote:
I've got to shell out from my python code to execute a command, but
_must_ set the environment at the same time (or prior to execution).
I saw some comments about setting os.environ[some shell var], but
didn't seem to be seeing this work in subsequent
On Tue, 25 Jan 2005, Scott Melnyk wrote:
I have an file in the form shown at the end (please forgive any
wrapparounds due to the width of the screen here- the lines starting
with ENS end with the e-12 or what have you on same line.)
What I would like is to generate an output file of any
On Tue, 25 Jan 2005, Gilbert Tsang wrote:
Hey you Python coders out there:
Being a Python newbie, I have this question while trying to write a
script to process lines from a text file line-by-line:
#!/usr/bin/python
fd = open( test.txt )
content = fd.readline()
while (content != ):
There's nothing that really technically prevents us from doing an
assignment as an expression, but Python's language designer decided that
it encouraged a style of programming that made code harder to maintain.
By making it a statement, it removes the possiblity of making a mistake
like:
On Tue, 25 Jan 2005, Max Noel wrote:
My data set the below is taken from is over 2.4 gb so speed and
memory considerations come into play.
Are sets more effective than lists for this?
Sets or dictionaries make the act of lookup of a key fairly cheap.
In the two-pass approach, the
On Thu, 27 Jan 2005, Miles Stevenson wrote:
I'm trying to practice safe coding techniques. I just want to make sure
that a user can't supply a massive argument to my script and cause
trouble. I'm just trying only accept about 256 bytes:
buffer(sys.argv[1], 0, 256)
^^
Hi Miles,
On Sat, 29 Jan 2005, Roy wrote:
I am learning about python exception handling. I am reading Python in a
Nutshell. In the chapter of exception handling, it says: Note that the
try/finally form is distinct from the try/except form: a try statement
cannot have both except and finally clauses,
On Mon, 31 Jan 2005, [ISO-8859-1] Andr Roberge wrote:
/ I have a robot that can do some actions like move() and
// turn_left(). I can program this robot using python like this:
//
// .def move_and_turn():
[snip]//
// The question I have is: how do I do this with an explicit
Now that I am reading many files at once, I wanted, to
have a tab delim file op that looks like this:
My_coors Int_file 1 Int_file2
IntFile3
01:26 34 235
245.45
04:42 342.4452.445.5
02:56 45.4 34.5
On Sun, 30 Jan 2005, Glen wrote:
As a Python/Tkinter newbie, I thought I was getting on ok...
then I hit this problem.
I have a canvas (c1)
A group of objects are drawn on c1 and given a tag
c1.addtag_all('group_A')
Another group of objects are drawn, I wish to tag these
On Mon, 31 Jan 2005, Danny Yoo wrote:
I think that getting this right will take some more work. Here's a
definition of a function called find_withouttag():
[Code cut]
Oh! Never mind; this can be a lot simpler. According to the Gotchas
section of:
http://tkinter.unpythonic.net/wiki
Now I've just got to work out how to tag a list of id's... There
doesn't seem to be a way to tag a known id, it has to be tagged by
reference from an id above or below which seems odd!
Hi Glen,
Have you tried the addtag_withtag() method? It looks like it should be
able to do what you're
Hi Michiyo,
Ok, let's take a look at the code.
i=open(file 1) #value data
o=open(file 2) #look-up file
l=open(result, 'w')#result
We strongly recommend renaming these names to ones that aren't single
characters.
It's difficult to tell here what 'i', 'o', and 'l' mean, outside of the
On Mon, 31 Jan 2005, Jacob S. wrote:
I think this thing is screaming for better structure, but previous attempts
at using oop for it have failed.
Hi Jacob,
Ok, I see one big refactoring that should help things quite a bit.
There's a large case-analysis off if/elif/elif statements that
On Tue, 1 Feb 2005, Jacob S. wrote:
Also why shouldn't string methods include stuff like lstrip which do
precisely what I request?
Hi Jacob,
I think the confusion here is that, in Python, strings can be considered a
concrete single thing, but they can also be considered an ordered
The community is one of the things I particularly like about Python. I
always hated asking a question in the Perl newsgroups; although you
usually got an answer, you were almost certain to be told you're stupid
for not already knowing it.
Hi Terry,
Just to act as Devil's advocate: the
On Wed, 2 Feb 2005, Glen wrote:
[EMAIL PROTECTED] glen]$ idle
set([34, 36, 38, 39])
Failed to load extension 'CodeContext'
Traceback (most recent call last):
File /usr/local/lib/python2.4/idlelib/EditorWindow.py, line 737, in
load_standard_extensions
self.load_extension(name)
On Thu, 3 Feb 2005, Liam Clarke wrote:
Had the *ahem* joy of learning Perl last night. Egad. Wrote the script
in Python to get it right, and then 'translated' it to Perl.
Hi Liam,
I strongly recommend sending the Perl code to that Perl-beginners mailing
list referenced earlier. I'm sure
But let's change it to what I think you were thinking of:
###
def lstrip(string, chars):
scratchspace = list(string) ## get a mutable list of characters
for x in scratchspace:
if x in chars:
scratchspace[i] = ''
return ''.join(scratchspace)
###
On Fri, 4 Feb 2005, Smith, Jeff wrote:
What you are try to do is execute a block of code based on the value of
a single statement. if/elif doesn't do that and thereby introduces the
possibility of errors.
switch on-this:
case 'a':
do something
case 'b':
On Fri, 4 Feb 2005, alieks lao wrote:
in this tutorial it's telling me to
from Numeric import *
to load array functions
but it doesn't work is there a replacement for
Numeric or are arrays built in functions?
Hi Alieks,
Just out of curiosity, which tutorial are you reading?
The
On Fri, 4 Feb 2005, alieks lao wrote:
Just out of curiosity, which tutorial are you reading?
heres the url...
http://www.pentangle.net/python/
Hi Alieks,
Ah, ok, that makes sense now.
Michael William's tutorial assumes an environment where some third-party
modules, like Numeric, have
On Fri, 4 Feb 2005, alieks lao wrote:
Once again i have a question concerning something from the tutorial im
being tortured by.
___
x.y= \ x (dot)y(dot)
/__ i
i
How would i express this in python.
If the above doesn't make any sense to ya'll.
It's at the bottom
On Mon, 7 Feb 2005, Tony Cappellini wrote:
There are 4 lists total, each of which *may* have a different length
from the other lists. Each list has been stored in a master dictionary.
North=[Bill, Bob, Sue, Mary]
South=['Tim', ''Tom', 'Jim', 'John', 'Carl', 'Evan', 'Rich']
etc
I want to
Hi Chandu,
Ah, so you're looking into environmental acquisition. I think the
reason you're asking about on Tutor is because one of the most visible
deployments of acquisition has been in the Zope web framework.
But just because Zope is written in Python doesn't mean that acquisition
is a
On Mon, 7 Feb 2005, Viktor Hornak wrote:
I've been trying to find more resources/documentation about how to
convert python lists to C arrays (and vice versa) when writing a python
extension.
Hi Viktor,
There was a post back in 1999 that might be useful for you:
On Tue, 8 Feb 2005, Johan Geldenhuys wrote:
I have a data packet in Hex values and need to determine how to
calculate the CRC-16 bit checksum for these values:
0x55,0x00,0x0A,0x01,0x01, 0x01,0xFF,0x00,0xDC,0xCC
Sync|Lenght |source addr|dest. adr |Data| CRC check|
This example shows me
On Tue, 8 Feb 2005, Ertl, John wrote:
I have a bit of code that uses a module and I am trying to get more info
on the error.
I am using this bit of code:
try:
rhfill= Ngl.contour(wks,rhisobar,rh_res)
except:
execType,value,tracebak = sys.exc_info()[:3]
On Tue, 8 Feb 2005, james middendorff wrote:
I want to use mysqldb to add people into a database, but when I ask for
the certain fields like Name, PhoneNumber and such, I cannot get it to
put them in as a string? I am not sure what I am doing wrong but here is
my code thanks to anyone who
On Thu, 10 Feb 2005, Jeffrey Lim wrote:
Example 1
def f(a,L=[]):
... if L==[5]:
... print 'L==[5] caught'
... print L
... print 'resetting L...'
... L=[]
... L.append(a)
... return L
...
Hi Jeffery,
At the beginning of a function
On Wed, 9 Feb 2005, Brian van den Broek wrote:
Hi all,
I have data files with a format that can be scheamatized as:
File Header Contents
. . .
File Header End Tag
Node Header Contents
. . .
Node Header End Tag
Node Contents
. . .
Node End Tag
[Repeat Node elements until end of
On Thu, 10 Feb 2005, Ismael Garrido wrote:
Danny Yoo wrote:
###
def f(a,L=[]):
if L==[5]:
print 'L==[5] caught'
print L
print 'resetting L...'
L=[]
L.append(a)
return L
###
Now I'm dizzy... I can't understand why there are two L!
Hi
On Fri, 11 Feb 2005, Smith, Jeff wrote:
I'm sorry to both with such a simple question but I've looked in the
normal places and don't see the quick and dirty answer I know must
exist.
I want to write a simple line selection filter that could be used like:
filter file
I get the
On Fri, 11 Feb 2005, Lobster wrote:
The tutorials I am accessing with Firefox and there seems to be a
conflict in which the Idle editor is trying to (or reported as accessing
the Net but does not (according to the literature and warning)
Hello!
IDLE does use network connections to talk to
way we ASP.NET at my company, and I'm having some trouble finding a good
way to organize all the code.
My take on doing that in Python:
Organize things into modules. Especially with an eye to potential reuse.
Look at the module index in the docs to see how most of the standard
modules
On Fri, 11 Feb 2005, Matt Dimmic wrote:
In Python, one bug that often bites me is this:
(example A)
aList = [1,2,3]
for i in aList:
i += 1
print aList
-- [1,2,3]
This goes against my intuition, which is that aList == [2,3,4], probably
because so much in Python is passed by
On Sat, 12 Feb 2005, Lobster wrote:
Idols subprocess didn't make connection Either Idle can't start or
personal firewall is blocking the connection =
Now I am getting the added message that the socket connection is
refused (recently updated to the latest Zone Alarm)
Hi Ed,
That's
On Mon, 14 Feb 2005, Lobster wrote:
# Wikipedia single word search engine
# Monday Feb 14
import webbrowser
sought_word = raw_input(What is your wikipedia search word? )
goto_url_location = http://en.wikipedia.org/wiki/; + sought_word
webbrowser.open(goto_url_location)
Hi Lobster,
On Mon, 14 Feb 2005, Alan Gauld wrote:
- I am trying to call up an external program with something like a
Shell command - can not find a way of doing this (in windows)
Look in the os module, there are several options depending on exactly
what you need to do. The simplest option is
On Mon, 14 Feb 2005, Mike Hall wrote:
I'm on OS X, and I cannot get Python to import modules I've saved. I
have created the the environment.plist file and appended it with my
desired module path. If I print sys.path from the interpreter, my new
path does indeed show up as the first listing,
On Mon, 14 Feb 2005, Bill Kranec wrote:
I'm using Kinterbasdb to access a Firebird database through Python, and
when I retrieve a row with a datetime value, I get a tuple like:
myCursor.execute( 'SELECT * FROM table' )
for row in myCursor.fetchall():
print row
(DateTime
On Tue, 15 Feb 2005, Ron Nixon wrote:
I know that you can do this to get a count of home many times a word
appears in a file
f = open('text.txt').read()
print f.count('word')
Other than using a several print statments to look for seperate words
like this, is there a way to do it so
A remainder is what's left over after a division:
10/3 = 3 remainder 1
12/5 = 2 remainder 2
27/3 = 9 remainder 0
and the modulus operator (which is % in python) gives you that remainder:
10%3 = 1
12%5 = 2
27%3 = 0
Hi Bernard,
Another familiar example of modulo is checking to see if
On Wed, 16 Feb 2005, Tony Meyer wrote:
Is there a better way for raw_input to accept both caps and
lower case letters than:
[...]
if action == 'y' or action == 'Y':
if action in 'yY':
dostuff()
[...]
Although, that does mean that if a user enters 'nN' they'll
get no, but
On Wed, 16 Feb 2005, Bill Mill wrote:
I have several thousand files in dBaseIV format that I need to convert
to shapefiles for use in ArcGIS. I've written a script (see below) to
automate this process but thus far have been unable to get it to work.
I suspect that there's a simple
Traceback (most recent call last):
File C:\Python23\practices\opentxt, line 12, in -toplevel-
process(data)
File C:\Python23\practices\opentxt, line 6, in process
data_points.append(int(line))
ValueError: invalid literal for int():
Hi Brian,
Ah, think about empty
I want to make caculator program which enables me to enter 2numbers
and mathsmatics sign and calculates it. I think this is too difficult
for newbie like me...
Please input data
Number1:
Mathsmetics Sign:
Number2:
(Number1) (Sign) (Number2) = (Result)
*One* way to solve
On Mon, 21 Feb 2005, Chris Mallari wrote:
hi there! can u pls send me sample code in accessing a simple database
using python.
Hi Chris,
You may want to look at the Database topic guide:
http://www.python.org/topics/database/
It has links to examples, tutorials, and other
I'm trying to figure out how to subclass the list built-in.
You could do it e.g. like that:
class Mylist (list):
def __init__(self, seq=None):
super(self.__class__, self).__init__(seq)
def __getslice__(self, start, stop):
return
On Wed, 23 Feb 2005, Shitiz Bansal wrote:
Is there a python equivalent of c's sizeof function.
Unfortuntately, no, not as a standard builtin. However, there is a
third-party library called mxTools that does include a sizeof() function:
http://www.egenix.com/files/python/mxTools.html
On Wed, 23 Feb 2005, Shitiz Bansal wrote:
I am trying to build a traffic network simulator using python, for my
degree project.
I need to run at least 5-6000 cars simultaneously. I wanted to run each
car in a separate thread. However , after about 400 threads i am unable
to create new
I'm writing a simple game (run in command line) in which narrative
text is printed in response to a user's decisions. The problem I'm
running into is that triple quotes used in an indented block
preserves the indentation when it prints.
[text cut]
Why not just take them out
On Thu, 24 Feb 2005, Adam Cripps wrote:
I'm trying to create recursive Tkinter buttons with:
for i in range(0,10):
print i
buttonlabel = field +str(i)
button[i] = Button (text=buttonlabel)
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