On Sun, 30 Jan 2005, kumar s wrote:
> I have a bunch of files where the first column is always the same. I
> want to collect all those files, extract the second columns by file wise
> and write the first column, followed by the other columns(extracted from
> files) next to each other.
Hi Kumar
> 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
> What Alan meant, presumably, was this:
>
> one = 1
> other = 42
> result = float(one)/other
Whoops! Yes indeedy!
Alan G.
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Tutor maillist - Tutor@python.org
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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 'gr
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/w
Danny Yoo wrote:
Oh! Never mind; this can be a lot simpler. According to the "Gotchas"
section of:
http://tkinter.unpythonic.net/wiki/Widgets/Canvas
the items in a Canvas are actually not object instances themselves, but
integers. I made an assumption that canvas items were object instances,
Hey all.
I've got an issue that's been driving me a bit nuts. I'm sure it _can_
be done with a regexp, although I'm missing a piece needed to tie it
together to work for all cases.
I need to parse out a list of RPMs in this case, but it seems the RPM
naming convention has changed, as there are
Slight correction which I realized after sending, see below for
version/release seperation, which I should have seen but blame lack of
sleep ;-)
Scott W wrote:
Hey all.
I've got an issue that's been driving me a bit nuts. I'm sure it _can_
be done with a regexp, although I'm missing a piece ne
Kent Johnson wrote:
Note that Python 2.4 has set built-in with the name 'set'. To be
compatible with both you could write
try:
set
except NameError:
from sets import Set as set
Clarification: you don't _have_ to do this to be compatible with 2.4. The sets module is in both 2.3
and 2.4. The di
This works:
names = [
'XFree86-ISO8859-15-75dpi-fonts-4.3.0-78.EL.i386.rpm', #(Note the EL
embedded in name)
'xfig-3.2.3d-12.i386.rpm', #(standard naming)
'rhel-ig-ppc-multi-zh_tw-3-4.noarch.rpm',
'perl-DateManip-5.42a-0.rhel3.noarch.rpm',
'openoffice.org-style-gnome-1.1.0-16.9.EL.
On 31 Jan 2005, [EMAIL PROTECTED] wrote:
> I've got an issue that's been driving me a bit nuts. I'm sure it _can_
> be done with a regexp, although I'm missing a piece needed to tie it
> together to work for all cases.
>
> I need to parse out a list of RPMs in this case, but it seems the RPM
>
On 31 Jan 2005, [EMAIL PROTECTED] wrote:
>
> Slight correction which I realized after sending, see below for
> version/release seperation, which I should have seen but blame lack of
> sleep ;-)
> corrected versions:
> 4.3.0
> 3.2.3d
> 3
> 5.42a
> 1.10
>
> (new) rel
You can also do...
Umm, if you're going to make nmr and pbr the values you're printing, why are
you printing the values?
Nevermind, look at this instead. BTW, aren't rows the horizontal things on
tables?
nmr = nmrows[i]
pbr = cols[0]
print "%s\t%s" % (nmr,pbr)
>nmr = nmrows[i]
pbr = cols[0]
prin
I think this thing is screaming for better structure, but previous attempts
at using oop for it have failed.
I think Derintegral is okay, I'm focusing on FunctionGrapher5.py--but you
can comment on both.
(To Johan Nilsson: I haven't had time to implement Simpson's rule instead of
Reimann's sum y
Thanks,
So simple...DAA just do an equivalency on the list...no need to do sets
or step through each line.
John
-Original Message-
From: Kent Johnson [mailto:[EMAIL PROTECTED]
Sent: Saturday, January 29, 2005 06:05
Cc: Tutor@python.org
Subject: Re: [Tutor] Diffing two files.
OK, t
On Mon, 2005-01-31 at 12:34, Kent Johnson wrote:
> Kent Johnson wrote:
> > Note that Python 2.4 has set built-in with the name 'set'. To be
> > compatible with both you could write
> > try:
> > set
> > except NameError:
> > from sets import Set as set
>
> Clarification: you don't _have_ to do
On Mon, 2005-01-31 at 09:06, Danny Yoo wrote
>
> Here's a small example with sets to make it more clear how this set
> manipulation stuff will work:
>
> ###
> >>> from sets import Set
> >>> numbers = range(20)
> >>> primes = [2, 3, 5, 7, 11, 13, 17, 19]
> >>> Set(numbers) - Set(primes)
> Set([0,
Hi all of you,
I'm representing a 4x4 matrix as a 16-element list, e.g.
m=range(16)
first 4 elements first row, second four elements second row etc.
I want to sum rows and columns like
i-th row:
sum(m[4*i:4*i+4])
and ith column:
sum(m[i::4])
This seems to be slow because of the formation of the sli
There's a specific package for arrays
http://www.stsci.edu/resources/software_hardware/numarray
that implements array mathematics. I use it for pixel map manipulation
in pygame, so it's relatively fast.
On Mon, 31 Jan 2005 19:09:59 +0100, Gregor Lingl <[EMAIL PROTECTED]> wrote:
> Hi all of you
> def start():
lots of lines...
> global xaxis
> global yaxis
Its traditional to put global statements at the top of the function.
Also you only need one line to list all of the global variables
> global radiusaxis
> global radiusaxis2
Similarly here., and again you ca
On Mon, 2005-01-31 at 18:20, Kent Johnson wrote:
> > In 2.4 I tried 'from sets import set'
>
> should be 'from sets import Set' - the class in the sets module is called
> Set, the builtin class is set.
>
I tried it as 'set' and 'Set' but got the same result
> >
> > Traceback (most recent call l
Thanks for the enthusiasm on how input/raw_input() works - my original
intention was to ask a question on control flow so I didn't spend that
much time testing out this piece of input code besides typing. But I did
learn a lot. Thanks!
Gilbert
Jacob S. wrote:
I noticed that too, Liam.
b = input
-Original message-
From: Orri Ganel [EMAIL PROTECTED]
Date: Sat, 29 Jan 2005 17:22:48 -0500
To: Kent Johnson [EMAIL PROTECTED]
Subject: Re: Fwd: [Tutor] Control flow
> Kent Johnson wrote:
>
> > Bob Gailer wrote:
> >
> >> At 04:43 AM 1/29/2005, Liam Clarke wrote:
> >>
> >>> < erk, to the
> 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
Danny Yoo wrote:
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 wh
jhomme wrote:
Hi,
If I want to put a dictionary in a dictionary, does the syntax for assigning
and getting at the
stuff in the inner dictionary look something like this:
outer_dictionary[inner_dictionary][key] = 'value' > ?
If inner_dictionary is the key to outer_dictionary, then that is right. Fo
> If I want to put a dictionary in a dictionary, does the syntax
> for assigning and getting at the stuff in the inner dictionary
> look something like this: outer_dictionary[inner_dictionary][key] =
'value'
Yes.
Sometimes it's easier with Python to just try it at the >>> prompt
rather than ask t
Gregor Lingl wrote:
Hi all of you,
I'm representing a 4x4 matrix as a 16-element list, e.g.
m=range(16)
first 4 elements first row, second four elements second row etc.
I want to sum rows and columns like
i-th row:
sum(m[4*i:4*i+4])
and ith column:
sum(m[i::4])
This seems to be slow because of the
Hi,
I need a traffic network simulator(for roads) for my
project work.I would prefer the simulator to be in
python so that i can reprogram/modify it according to
my needs.
does anyone know where i can find something of the
sort or are there any special modules available which
can help me build one
> > Have you tried the addtag_withtag() method? It looks like it should be
> > able to do what you're thinking of. The documentation here:
> >
> > http://tkinter.unpythonic.net/pydoc/Tkinter.Canvas.html
> >
> > should talk about addtag_withtag().
>
> itemconfig() also looks promising.
>
>
Hello all,
I'm very new to Python and have been trying to write a script to
compare data from 2 files and getting a total. One of the two files
contains x, y positions of pixels and a color value(z) of each, so it
has three columns in the file. The other file has two columns; x1, y1.
I'd like t
Orri Ganel wrote:
Jacob S. wrote:
Thanks Kent and Max!
Wow, I didn't know it did that. I'm too dumb to figure it out on my
own I guess...
Oh well! I found a cool new thing to play with at least!
Thanks,
Jacob
On Jan 30, 2005, at 02:40, Jacob S. wrote:
I don't think that's what he wants. I th
Michiyo,
When you ask a question to the list, you should be more careful to
highlight your problem so that it doesn't seem like you're asking
people to write a script for you. I don't think that's what you were
doing, but just try to reduce your problem to a minimal example in the
future.
I don't
Hi,
Don't know if there's any network simulator.
But I know about SimPy:
http://simpy.sourceforge.net/
Looks well documented. Check the examples, it seems you can do pretty
robust things with not toomuch code.
I readed about it in the charming python section of IBM developers works:
http://www-1
Victor Rex wrote:
I played around with this output issue and I love the way it works.
Now, how do you do this in *nix? I tried the same approach and I get a
blank line for 5 seconds (or whatever number of cycles you have on your
example) and the a final line with the last value of the iterable.
I
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
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 in
I am trying to get Python established here in the
Philippines. Currently I am in charge of operations at a business based in
Manila and I have asked my IT staff to start using Python (with some
success).
A local university has now asked that I give a talk
to their IT people on Python - so
On Feb 1, 2005, at 16:35, Paul Hartley wrote:
When I was a member of the Forth Interest Group in the USA we learned
that Forth was used on the buggy that went to mars, that it started
life controlling huge radio telescopes which only had 4k (yes 4k) of
memory for both language and application.
On Tue, 1 Feb 2005, Paul Hartley wrote:
> When I was a member of the Forth Interest Group in the USA we learned
> that Forth was used on the buggy that went to mars, that it started life
> controlling huge radio telescopes which only had 4k (yes 4k) of memory
> for both language and application.
>
def start():
lots of lines...
global xaxis
global yaxis
Its traditional to put global statements at the top of the function.
Also you only need one line to list all of the global variables
global radiusaxis
global radiusaxis2
What, like
global radiusaxis, radiusaxis2
Simil
> I need a traffic network simulator(for roads) for my
> project work.I would prefer the simulator to be in
> python so that i can reprogram/modify it according to
> my needs.
I don't jnow of anything ready made. But a Google search
may find someting somewhere...
> does anyone know where i can f
Ah, I like.
BTW, it was a few months ago, not days... but the thought still counts. At
least you remember.
I was getting stumped by the difference in comparing y
The check for seeing what the first word is made me slamp my forehead...
Thanks!
Jacob Schmidt
On Mon, 31 Jan 2005, Jacob S. wrote:
I
> I need a traffic network simulator(for roads) for my
> project work.I would prefer the simulator to be in
> python so that i can reprogram/modify it according to
> my needs.
Have you looked at SimPy:
http://simpy.sourceforge.net/
--
Andrew McNamara, Senior Developer, Object Craft
http://w
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