The Dallas-Ft. Worth Pythoneers are having three meetings this week.
[1] Thursday, November 10th (i.e. Every Second Thursday)
From 7 pm until 10 pm at Snuffer's Restaurant and Bar
in Addison on Midway, we have a *social get-together*. Sure
to be on the agenda is discussion about
November topics are Remote, Generic and Random, just like us.
We'll have presentations on PyRO (Python Remote Objects) by Fawad
Halim, generic functions (as implemented in RuleDispatch) by Ian
Bicking, and the standard library random module by Robert Ramsdell.
There will also be time to chat,
mo [EMAIL PROTECTED] wrote:
Can somebody explain how to stop a WHILE loop in running program by pressing
ESC key?
depends on the platform.
on windows, you can use the mscvrt module:
import msvcrt
while ...:
...
if msvcrt.kbhit() and msvcrt.getch() == chr(27):
Hello,
I need to import some big
data into Excel from my Python
script. I have TXT file (~7,5 Mb). Im using Pywin32 library for that, but if I
first try to read the TXT file and then save the values one by one
like
xlBook.Sheets(sheet_name).Cells(i,j).Value =
value_from_TXT_file
it
mo wrote:
Can somebody explain how to stop a WHILE loop in running program by pressing
ESC key?
On Unix-like systems try:
import termios, fcntl, sys, os
fd = sys.stdin.fileno()
oldterm = termios.tcgetattr(fd)
newattr = termios.tcgetattr(fd)
newattr[3] = newattr[3] ~termios.ICANON
why the following code report the error:
Traceback (most recent call last):
File C:\Python23\lib\site-packages\Pythonwin\pywin\framework\scriptutils.py,
line 310, in RunScript
exec codeObject in __main__.__dict__
File C:\Python23\Examples\AppB\text.py, line 24, in ?
text.image_create(END,
On Mon, 7 Nov 2005 20:39:46 -0800, James Stroud [EMAIL PROTECTED] wrote:
On Monday 07 November 2005 20:21, Robert Kern wrote:
James Stroud wrote:
Hello All,
How does one make an arbitrary class (e.g. class myclass(object)) behave
like a list in method calls with the *something operator?
har nah, think I'll give BT a miss for this purpose.
Yeah, know it was a loaded question (no specifics), but was really only
thinking out aloud.
The plans are:
- Multiple copies of data on different machines (just thinking 2 copies
of the data)
- Load spread over multiple machines...
James Stroud wrote:
I was attempting to re-define iter of a subclassed list, to find the
magic method, but it didn't work.
class List(list):
... def __iter__(self): return iter(abc)
...
a = List([1,2,3])
list(a)
['a', 'b', 'c']
tuple(a)
(1, 2, 3)
list-to-tuple conversion is optimized
[EMAIL PROTECTED] wrote:
while True:
data = f.read(8192)
if not data: break
else:
s.send(data)
What is the cause of the problem, can anyone tell me?
using sendall instead of send should fix this. see the library reference for
details:
send(
Shi Mu wrote:
why the following code report the error:
Traceback (most recent call last):
File
C:\Python23\lib\site-packages\Pythonwin\pywin\framework\scriptutils.py,
line 310, in RunScript
exec codeObject in __main__.__dict__
File C:\Python23\Examples\AppB\text.py, line 24, in ?
Isn't there an easier way than
lst[len(lst) - 1] = ...
?
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Antoon Pardon wrote:
Fine that goes both ways. I don't mind not being taken serious by people
I have trouble taking serious my self. No doubt that goes for you too.
You know Antoon, these internet communities aren't really like
Speaker Corner in Hyde Park. You earn respect based on your merits,
Or alternatively:
Is there a way to make reference to the last element of a list, to use
as a shorthand:
ref := lst[len(lst) - 1] # I know syntax is wrong, but you get the
idea
and then using the last element of the list by (assuming the element is
a dict):
ref[foo] = 42
ref[bar] = Ni!
etc.
yes. I use both cmd and pythonwin to run it. why both of them can not work?
On 11/8/05, Fredrik Lundh [EMAIL PROTECTED] wrote:
Shi Mu wrote:
why the following code report the error:
Traceback (most recent call last):
File
I knew there was an easy way :)
Just to satisfy my curiousity: Is there a way to do something like the
reference solution I suggest above?
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The Dallas-Ft. Worth Pythoneers are having three meetings this week.
[1] Thursday, November 10th (i.e. Every Second Thursday)
From 7 pm until 10 pm at Snuffer's Restaurant and Bar
in Addison on Midway, we have a *social get-together*. Sure
to be on the agenda is discussion about
I was interested in getting feedback from current communities of Roomity.com and let you know the recent improvements we are working on for better interface.Roomity.com v 1.5 is a web 2.01/RiA poster child community webapp. This new version adds broadcast video, social networking such as favorite
Hey can somebody tell me what the "%" function does...I am not math illiterate...its just a new symbol for meis it a divisor? remainder something another??
thanks -xray-
Yahoo! FareChase - Search multiple travel sites in one click.
--
linuxpld wrote:
I`m writing a program (server in future) in python.
I would like to write it in such a way that I will be able to write gui
in any language and connect to my python program and use functionality
included with it.
are there any libraries that I could use?
Thee are many
Aloha,
[EMAIL PROTECTED] wrote:
Isn't there an easier way than
lst[len(lst) - 1] = ...
lst[-1] = ...
Wishing a happy day
LOBI
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I was interested in getting feedback from current mail group users.We have mirrored your mail list in a new application that provides a more aggregated and safe environment which utilizes the power of broadband.Roomity.com v 1.5 is a web 2.01 community webapp. Our newest version adds broadcast
[EMAIL PROTECTED] wrote:
Just to satisfy my curiousity: Is there a way to do something like the
reference solution I suggest above?
No. You cannot overload assignment.
Of course, for mutable objects you can use the object as the reference to
itself.
Peter
--
I try this command:
import string
string.atoi('78',16)
120
this is 120 not 4E.
Someone can tell me how to convert a decimal number to hex number? Can
print A, B, C,DEF.
Thank you.
--
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On Tue, 08 Nov 2005 07:57:44 +0100, =?ISO-8859-1?Q?Jorg_R=F8dsj=F8?= [EMAIL
PROTECTED] wrote:
[sorry to those reading twice, but I just realised that I had posted
this after mucking about with the date on my machine to try to figure
this out -- so the message probably went into last months
Steve Holden [EMAIL PROTECTED] wrote in
news:[EMAIL PROTECTED]:
No, you actually did quite a creditable piece of debugging. The DB-API
specifications allow database modules to substitute parameters into
SQL commands in a number of different ways, and they are supposed to
indicate the
what do you mean by alias ?
a = b
now both a and b refers to the same object.
[EMAIL PROTECTED] wrote:
So there is no way in Python to make an alias for an object?
/David
--
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I just want an alias. Ideally, I don't want to deal with pointers or
special reference types etc. After all, this is not C++ :)
I just want to be able to make a reference to any old thing in Python.
A list, an integer variable, a function etc. so that I, in complicated
cases, can make a
File C:\Python23\lib\lib-tk\Tkinter.py, line 2882, in image_create
return self.tk.call(
TclError: image pyimage4 doesn't exist
works for me, when running it from a stock CPython interpreter.
have you tried running the script outside the pywin environment?
btw, the error message
Hi!
Try hex:
hex(120)
'0x78'
Consider converting string - int using the int()-function:
print int.__doc__
int(x[, base]) - integer
Convert a string or number to an integer, if possible. A floating point
argument will be truncated towards zero (this does not include a string
representation of
Thanks,
I tryed your example:
import msvcrt
while 1:
print '.'
if msvcrt.kbhit() and msvcrt.getch() == chr(27):
break
but it doesn't work. It is running (Win2000), there is no messages about
errors but there is no effect when pressing ESC key. What I am doing wrong?
mo
--
But if lst[42][pos] happens to hold an integer value, then
a = lst[42][pos]
will _copy_ that integer value into 'a', right? Changing 'a' will not
change the value at lst[42][pos]
--
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i had posted a previous question but I figured it out...thanks
Yahoo! FareChase - Search multiple travel sites in one click.
--
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Bengt Richter wrote:
How did you format the number you got from os.path.getmtime?
I'm not doing any formating at all. I am just looking at the numbers of
seconds since epoch. Which is what makes it so strange.
You might want to try some of the above.
I'll do that. At the moment I'm looking
On 8 Nov 2005 01:12:07 -0800, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
I knew there was an easy way :)
Just to satisfy my curiousity: Is there a way to do something like the
reference solution I suggest above?
If the last element in the list was a dict, then you could do something like
Peter Otten wrote:
[EMAIL PROTECTED] wrote:
Just to satisfy my curiousity: Is there a way to do something like the
reference solution I suggest above?
No. You cannot overload assignment.
I have the impression that this is not an issue, to overload assignments,
which btw. *can* be
morphex wrote:
That works, kinda. I get strange characters now like this
Date: Mon, 7 Nov 2005 11:38:29 -0700 (MST)
Message-Id: [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [EMAIL PROTECTED]
From: [EMAIL PROTECTED]
Subject: Order confirmation
Content-Type: text/plain; charset=utf-8
On 8 Nov 2005 01:43:43 -0800, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote:
But if lst[42][pos] happens to hold an integer value, then
a = lst[42][pos]
will _copy_ that integer value into 'a', right? Changing 'a' will not
change the value at lst[42][pos]
Right, but try an example:
lst =
Jerzy Karczmarczuk wrote:
Peter Otten wrote:
[EMAIL PROTECTED] wrote:
Just to satisfy my curiousity: Is there a way to do something like the
reference solution I suggest above?
No. You cannot overload assignment.
I have the impression that this is not an issue, to overload
mo [EMAIL PROTECTED] wrote:
I tryed your example:
import msvcrt
while 1:
print '.'
if msvcrt.kbhit() and msvcrt.getch() == chr(27):
break
but it doesn't work. It is running (Win2000), there is no messages about
errors but there is no effect when pressing ESC key. What I am
Hello,
I have in my python script a function that look like this :
def my_function(arg1, arg2, opt1=0, opt2=1, opt3=42):
if type(arg1) is ListType:
for a in arg1:
my_function(a, arg2, opt1=opt1, opt2=opt2, opt3=opt3)
return
If you want to do what you want(though I don't know why without a
concrete example), just store a mutable object at lst[42][pos], like
this :
lst[42][pos] = [1]
a = lst[42][pos]
a[0] = 2
assert(lst[42][pos][0] == 2)
[EMAIL PROTECTED] wrote:
But if lst[42][pos] happens to hold an integer value,
On 8 Nov 2005 01:43:43 -0800, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
But if lst[42][pos] happens to hold an integer value, then
a = lst[42][pos]
will _copy_ that integer value into 'a', right?
Nope. It will bind the name 'a' to the integer object.
Changing 'a' will not
change the
Op 2005-11-08, Magnus Lycka schreef [EMAIL PROTECTED]:
Antoon Pardon wrote:
Fine that goes both ways. I don't mind not being taken serious by people
I have trouble taking serious my self. No doubt that goes for you too.
You know Antoon, these internet communities aren't really like
Speaker
aum wrote:
But for smaller gui programs not needing the power of wx, I find I get
the job done much more quickly and effortlessly with PyFLTK.
Interesting. I've found PyQt very easy to use too. I wonder how they compare
(providing you can GPL your app, of course).
--
Jeremy Sanders
[EMAIL PROTECTED] wrote:
I just want an alias. Ideally, I don't want to deal with pointers or
special reference types etc. After all, this is not C++ :)
I just want to be able to make a reference to any old thing in Python.
A list, an integer variable, a function etc. so that I, in
Peter Otten wrote cites me:
I have the impression that this is not an issue, to overload assignments,
which btw. *can* be overloaded, but the absence of *aliasing*
(undiscriminate handling of pointers) in Python. Am I wrong?
I think so.
a = b
will always make a a reference to (the same
For example, where can I find the official documentation on the
list.sort() method?
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Nicolas Vigier wrote:
Hello,
I have in my python script a function that look like this :
def my_function(arg1, arg2, opt1=0, opt2=1, opt3=42):
if type(arg1) is ListType:
for a in arg1:
my_function(a, arg2, opt1=opt1, opt2=opt2,
Nicolas Vigier wrote:
I have in my python script a function that look like this :
def my_function(arg1, arg2, opt1=0, opt2=1, opt3=42):
if type(arg1) is ListType:
for a in arg1:
my_function(a, arg2, opt1=opt1, opt2=opt2,
any python module to calculate sin, cos, arctan?
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[EMAIL PROTECTED] wrote_
I want to read a little bit about sorting in Python (sorted() and
method sort()). But I can't seem to find anything in the documentation
at the homepage?
sorted() is a function that works on arbitrary sequences, and is
described in the built-in functions chapter:
[Dmytro Lesnyak]
I need to import some big data into Excel from my
Python script. I have TXT file (~7,5 Mb). I'm using
Pywin32 library for that, but if I first try to read
the TXT file and then save the values one by one like
xlBook.Sheets(sheet_name).Cells(i,j).Value =
On 07/11/05, john boy [EMAIL PROTECTED] wrote:
Hey can somebody tell me what the % function does...I am not math
illiterate...its just a new symbol for meis it a divisor? remainder
something another??
For numeric values, it's the modulo operator - see
http://docs.python.org/ref/binary.html
So there is no way in Python to make an alias for an object?
/David
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[EMAIL PROTECTED] wrote:
Hiya,
I've got a PIC microcontroller reading me humidity data via rs232, this
is in ASCII format. I can view this data easily using hyperterminal or
pyserial and convert it to its value (relative humidty with ord(input))
But what im trying to do is plot the data
Shi Mu schrieb:
any python module to calculate sin, cos, arctan?
Yes.
Use the math module or the cmath module if you need
mathematical functions for complex numbers.
Bye,
Dennis
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On 08/11/05, Dmytro Lesnyak [EMAIL PROTECTED] wrote:
I need to import some big data into Excel from my Python script. I have TXT
file (~7,5 Mb).
Have you considered converting your text data to CSV format? Excel
opens CSV files happily enough, and you could always automate
save-as-workbook and
On 08/11/05, Shi Mu [EMAIL PROTECTED] wrote:
any python module to calculate sin, cos, arctan?
http://docs.python.org/lib/module-math.html
I seem to be posting loads of links to the docs today...
--
Cheers,
Simon B,
[EMAIL PROTECTED],
http://www.brunningonline.net/simon/blog/
--
Shi Mu wrote:
any python module to calculate sin, cos, arctan?
math
There are two versions of arctan: atan and atan2.
atan2(y,x) does the quadrant selection
you do not get from atan(y/x)
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On 8 Nov 2005 02:27:29 -0800, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
I want to read a little bit about sorting in Python (sorted() and
method sort()). But I can't seem to find anything in the documentation
at the homepage?
Sorted() is documented here -
On Tue, 08 Nov 2005 10:25:21 -, Jerzy Karczmarczuk
[EMAIL PROTECTED] wrote:
Would you please concentrate on - what I underlined - the sense of C
aliasing,
where you can make a pointer to point to anything, say, the 176th byte
of a
function code?
Pretty much everything is referred
Fredrik Lundh wrote:
works for me, when running it from a stock CPython interpreter in a windows
console window, with focus set to that window.
what environment are you using?
Could be IDLE. The code Fredrik proposed works well for me in the Python
console window, but not in IDLE (thats
Shi Mu wrote:
any python module to calculate sin, cos, arctan?
Try module math. Or cmath if you want the functions to be aware of
complex numbers.
/MiO
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[EMAIL PROTECTED] wrote:
I just want an alias.
What you want is impossible. But there are many workarounds.
I just want to be able to make a reference to any old thing in Python.
A list, an integer variable, a function etc. so that I, in complicated
cases, can make a shorthand. If myRef
On 8 Nov 2005 02:32:44 -0800, [EMAIL PROTECTED]
[EMAIL PROTECTED] wrote:
For example, where can I find the official documentation on the
list.sort() method?
http://docs.python.org/lib/typesseq-mutable.html
--
Cheers,
Simon B,
[EMAIL PROTECTED],
http://www.brunningonline.net/simon/blog/
--
Is there any sample code to draw parabola using Tkinter?
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On Tue, 08 Nov 2005 10:49:56 +0100, =?ISO-8859-1?Q?Jorg_R=F8dsj=F8?= [EMAIL
PROTECTED] wrote:
Bengt Richter wrote:
How did you format the number you got from os.path.getmtime?
I'm not doing any formating at all. I am just looking at the numbers of
seconds since epoch. Which is what makes it
Thanks a lot. It really works!
Now, I can solve my problem and make my script faster!
A few suggestions:
+ When trying to automate anything in Excel, it's
usually illuminating to record a macro which does
what you want, and then to translate that VBA code
into Python.
Yes, I also
Jerzy Karczmarczuk wrote:
Sure, I didn't want to claim that the assignment a=anything can be plainly
overloaded.
I interpreted your previous post as such a claim. No disagreement here then.
Would you please concentrate on - what I underlined - the sense of C
aliasing, where you can make a
Fcamattti napisał(a):
So I have a doubt. I'd like to know what do you think about the joint
of efforts of Sun Microsystems and the Google to create a office web
based. I sincerely enjoy the idea althoug I'd like to know what will be
the future of this wonderful language called Python??
I want to read a little bit about sorting in Python (sorted() and
method sort()). But I can't seem to find anything in the documentation
at the homepage?
/David
--
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Well, is it possible to write Win32 shell extension in python? I want
to create a virtual folder ( like gmailfs ) to serve files from a
http-server ( and no, I cannot use webdav ) so that users can access
them like normal files in Windows Explorer.
Any hints or info about this would be highly
On 11/8/05, Dmytro Lesnyak [EMAIL PROTECTED] wrote:
Hello,
I need to import some big
data into Excel from my Python
script. I have TXT file (~7,5 Mb). I'm using Pywin32 library for that, but if I
first try to read the TXT file and then save the values one by one
like
I have to
I have to question the reasoning behind using
Excel. That much data seems like it would be troublesome to manage in
Excel. How good is Excel at working with that much data?
Well,It's not that big data. As result, It willbe 52 X 25000
table and it works fine in Excel
(f.e. I need to make
[EMAIL PROTECTED] wrote:
Does anyone know of a module designed for ploting real time data thats
more appropriate for the above mentioned task than pylab??
You could have a look at my plotting package, Veusz, which can be embedded
in other apps. You can update the data in real time, as the
Fredrik Lundh wrote:
works for me, when running it from a stock CPython interpreter in a
windows
console window, with focus set to that window.
what environment are you using?
I use IDLE 1.0.3, Python 2.3.4
The same problem is when running in a win console.
mo
--
[EMAIL PROTECTED] wrote:
«I want to read a little bit about sorting in Python (sorted() and
method sort()). But I can't seem to find anything in the documentation
at the homepage?»
if you want some detailed account on the sort method, see:
http://www.xahlee.org/perl-python/sort_list.html
Xah
Here is an old piece of code I wrote when begining Python ;-)
from Tkinter import *
import string
import Numeric
from Canvas import Line
import math
class Tableau(Canvas):
def
__init__(self,master=None,size=400,col='black',colrep='red',colgrid='grey'):
Here is an old piece of code I wrote to test Tkinter
from Tkinter import *
import string
import Numeric
from Canvas import Line
import math
class Tableau(Canvas):
def
__init__(self,master=None,size=400,col='black',colrep='red',colgrid='grey'):
Thanks Fredrik Lundh,
This is great!
I've rewrote the code and it works!
Thanks a lot.
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which feature of python do you like most?
I've heard from people that python is very useful.
Many people switch from perl to python because they like it more.
I am quite familiar with perl, I've don't lots of code in perl.
Now, I was curious and interested in the python people.
They certainly
Thomas W [EMAIL PROTECTED] wrote:
Well, is it possible to write Win32 shell extension in python? I want
to create a virtual folder ( like gmailfs ) to serve files from a
http-server ( and no, I cannot use webdav ) so that users can access
them like normal files in Windows Explorer.
Any
Shi Mu wrote:
any python module to calculate sin, cos, arctan?
The other answers in this thread point you to the standard modules. If
you need arbitrary precision floating point versions of these functions
check out:
http://calcrpnpy.sourceforge.net/clnumManual.html
--
Bengt Richter wrote:
By 'getmtime' you mean os.path.getmtime(fer_shure_or_absolute_path_to_file)
right?
Doesn't that get you an integer number of seconds? What GUI or win32file is
showing you
that integer so you see a 3600 sec difference? Or how are you seeing it?
Could you paste an
I have a host process that exposes a COM object to embedded Python
scripts, and want it to appear to the Python scripts as a smart COM
object, in the same way that Python COM provides. The Python scripts
would then be able to use expected methods and properties, in the same
way that one does with
Anthony L. wrote:
1. I want to use CGI through Publisher handler, instead of CGI handler
or PSP. Despite the speed increase mod_python gives me, there is a
problem of persistence that can be a problem when dealing with a site
that will hosts potentially hundreds of simultaneous users.
What
Peter Otten said:
Here is a non-recursive approach:
def tolist(arg):
if isinstance(arg, list):
return arg
return [arg]
def f(arg1, arg2, more_args):
for arg1 in tolist(arg1):
for arg2 in tolist(arg2):
# real code
If it were my code I would omit the
Mike Meyer wrote:
Paul Boddie [EMAIL PROTECTED] writes:
The problem on non-Windows systems is the lack of a common (or
enforced) technology for exposing application object models
OS X has AppleScript. VM/CMS has Rexx. The Amiga had ARexx when MS was
still peddling DOS. Plan 9 has files.
I
Hi,
can some one properly explain the differences between class types and
classic classes? ... Still face problems in identifying what is what.
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Newsgroups: comp.lang.perl.misc
From: Veli-Pekka Tätilä
Date: Sat, 5 Nov 2005 17:25:35 +0200
Subject: Re: Python doc problem example: gzip module (reprise)
Xah Lee wrote:
Today i need to use Python to compress/decompress gzip files. snip
However, scanning the doc after 20 seconds there's no
morphex [EMAIL PROTECTED] wrote:
Date: Mon, 7 Nov 2005 11:38:29 -0700 (MST)
Message-Id: [EMAIL PROTECTED]
To: [EMAIL PROTECTED], [EMAIL PROTECTED]
From: [EMAIL PROTECTED]
Subject: Order confirmation
Content-Type: text/plain; charset=utf-8
X-Bogosity: No, tests=bogofilter,
Tim Golden wrote:
[Dmytro Lesnyak]
I need to import some big data into Excel from my
Python script. I have TXT file (~7,5 Mb). I'm using
Pywin32 library for that, but if I first try to read
the TXT file and then save the values one by one like
xlBook.Sheets(sheet_name).Cells(i,j).Value =
[Tim Golden]
+ When trying to automate anything in Excel, it's
usually illuminating to record a macro which does
what you want, and then to translate that VBA code
into Python.
[Duncan Booth]
Another suggestion: when automating Excel, turn off the automatic
recalculation (set
Anyone here use SPE (http://www.stani.be/python/spe/blog/). ...the IDE?
Also, anyone know if it supports CVS or has a plugin for CVS? If not,
what do you use to get your code into CVS (via an IDE preferably)?
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Looking for information on creating a GUI using a configuration file
(like an XML file or something). Also, how do you map actions (button
clicks, menu selections, etc) to the XML?
Any other suggestions for building GUI's for Python projects...even
Jython.
Thanks
--
[EMAIL PROTECTED] wrote:
I have no idea why people are so facinating with python.
So I post this question: What do you use in your dairy work with
python?
I can't imagine why you're confused.
--
Benji York
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http://mail.python.org/mailman/listinfo/python-list
On Tue, 08 Nov 2005 12:30:35 GMT, Raymond L. Buvel
[EMAIL PROTECTED] wrote:
Shi Mu wrote:
any python module to calculate sin, cos, arctan?
The other answers in this thread point you to the standard modules. If
you need arbitrary precision floating point versions of these functions
check out:
On Tue, 08 Nov 2005 01:31:31 -0800, [EMAIL PROTECTED] wrote:
So there is no way in Python to make an alias for an object?
Yes, sort of. Bind two names to the same mutable object:
py x = [Something mutable]
py y = x
py y.append(this way comes.)
py print x
['Something mutable', 'this way
On Tue, 08 Nov 2005 01:04:13 -0800, [EMAIL PROTECTED] wrote:
Or alternatively:
Is there a way to make reference to the last element of a list, to use
as a shorthand:
ref := lst[len(lst) - 1] # I know syntax is wrong, but you get the
idea
and then using the last element of the list by
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