Hi Gene,
thank you for your reply, also if my post was meant to be only
an exercise to apply color to lfs and expanded tabs in listing
files and not to apply it to an editor.
However your comment has directed me to consider more
deeply other editors (I use kwrite).
I am inclined to change to vim
Hi all,
in a previous post I asked help for colorizing expanded tab.
I wanted to list text files showing in colors LFs and the expanded
tabs.
I hoped to use only bash but, being impossible, I reverted to Python.
I programmed a very short script .
Here it is (... and I ask comments or critics):
#
Hi all,
from a string embedding tabs I want to colorize them when expanded:
# Starting from a string:
a= '1234\t5678\t\t90\nqwerty\nasdfg'
# which embeds both tabs and lfs
# printing it you obtain:
print a
# 1234567890
# qwerty
# asdfg
# print automatically expands tabs and
Hi Peter,
thank you for your replay, but I was looking for a very
short routine. I even had in mind to use Linux bash
(only one command line).
It seems that tab expansion, made by print, prevents
the working of the escape sequences for colors.
In fact, if you replace tab with a given number of
Hi Mike,
thank you very much for your reply.
I know that mine could be considered
a very silly way to define automation.
but I'm not a purist nor a professional
programmer.
Besides that, I know that case by case
every problem can be solved and in more
right way, also in very difficult
Hi all,
answering to Mike Meyer who replied to the following
assertion on my part:
but I supposed the everyone knew that web automation
(and in general automation) is only a problem in Linux.
with...:
I don't know it. I don't believe it, either. I automate web tasks on
Unix systems (I don't
Hi all,
I must correct myself:
With such a method you can bypass the Google's restrictions, because
you are using the browser (only building automatically the query).
Of course that's not correct because you are using a program (twill)
different from a browser and if google controls from where
Hi Michael,
I too use SUSE (9.3). The Novell operation has convinced me to
go back to SUSE, after some trials with Mandrake and Ubuntu.
Especially on the Python side all is ready up. But I will not go
into the complications of fork and thread programming...
Bye.
--
Hi Michele,
I taught to be the smartest in town!
But when the experts take the field it is better that us newbies
retire in good order...
Thank you for your article and, with respect to Grig Gheorghiu
(another expert), I must apologize for having be a little rude.
I hadn't discovered in Internet
Hi Michele,
I only made the observation about Zope, because I hoped to
hear a different point of view as you are/were involved in
web development using Zope/Plone (as referred in your article...).
Besides that, at a Linux Day, I followed a presentation of
Zope/Plone framework, which stroke me a
Hi mjakowlew,
to get file basename in Linux I use simply:
filepath.split('/')[-1]
But in Windows, being the dir separator '\',
you get into trouble if the dir or file name begins
with one of the escape sequences:
\a ASCII Bell(BEL) \x07
\b ASCII Backspace (BS) \x08
\f
with the query to Google:
http://www.google.it/search?hl=itie=ISO-8859-1q=twillbtnG=Cerca+con+Googlemeta=
- save the search result on a file:
save_html /home/qwweeeit/searching_twill.html
Here they are the 1st 10 hits of the search!
Don't ask me to continue! Perhaps asking to the author of twill
(C
Hi all,
this post is a kind of continuation of my
Expanding Python as a macro language
Among the replies [EMAIL PROTECTED] directed me to:
http://www.idyll.org/~t/www-tools/twill.html
(a python tool with a language to script web commands)
I applied twill to a problem I had solved by hand
I solved the problem by myself with the classical
method of newbyes (trial and error).
Bye.
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I am further commenting on new replies.
Mike Meyer wrote:
In general, application scripting facilities are one thing that Unix
hasn't dealt with well.
...so each application is left up to it's own devices.
Some of them now export APIs that can be hooked up to a variety of
languages.
Now I
Thank you for your replays (both for WMI and AutoIt beta-release)
but I would be satisfied if I had in Linux something similar to
the standard version of AutoIt!
Concerning WMI, a part the fact that it works only under Windows,
from the examples I have seen, IMHO it is much less powerful than
Thank you for your replays (both for WMI and AutoIt beta-release)
but I would be satisfied if I had in Linux something similar to
the standard version of AutoIt!
Concerning WMI, a part the fact that it works only under Windows,
from the examples I have seen, IMHO it is much less powerful than
At first you must forgive my double posting (4 5 in terms of date and
4 7 in terms of answers). I must then thank the new comers:
Michael, Alex Martelli and Mike Meyer.
Michel wrote:
[EMAIL PROTECTED] wrote:
But then I changed idea... Also if it is already one year that I try
to find a
Hi all,
when I moved from Windows to Linux I choosed Python as my language of
reference and as GUI, Qt (not much investigated up to now).
Till now I didn't regret but one thing:
Python can't act as a macro language and so you are obliged to revert
to Windows to use programs like AutoIt,
Hi Claudio,
I fully agree with you. I already used AutoIt 3 but when I moved to
Linux I wasn't able to find anything similar.
I moved also to Python for its power but also if it is called a
scripting language it doesn't simply interact with graphical
applications. As a last resort I tried DCOP
Hi Diez,
thank you for your replay, but I didn't succeed (I am almost a newbye).
So I solved the problem in another manner:
I changed distribution from kubuntu to SUSE 9.3 (base installation).
Now I can import dcop and also pcop.
Bye.
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Hi all,
using Python 2.4 under Linux (SUSE 9.3) I was developping a script to
get various lists related with DCOP.
In interactive Python all is working correctly:
import pcop
# application's registration with DCOP
x=pcop.register_as('kate')
print x
kate-7497
# list of DCOP registered
Hi Sam,
thank you very much. Your diagnosis was perfect!
Bye.
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Hi all,
at the end I upgraded to 2.4, but now I am not able to load dcop module
(part of the Python-KDE3 bindings).
Any help?
Bye.
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Hi all,
is it possible to enter an interactive session and automatically
do some initialization?
I explain better:
I want that when I start interactive Python on a console (I use Linux)
two command lines be executed automatically:
Python 2.3.4 (#2, Aug 19 2004, 15:49:40)
[GCC 3.4.1 (Mandrakelinux
Hi Bruno,
thank you...Easy as pie !-)
Bye.
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Hi Robert,
I didn't succeed in reversing a string with the full form you
proposed:
live[len(live)-1:-1:-1] # where live=live
The result is an empty string.
To reverse live (in a full form), I have to put a char in front of
the string and...:
('x'+live)[len(live)+1:0:-1] # -- evil
Is it due
Hi all,
thanks for your contributions. To Robert Kern I can replay that I know
BeautifulSoap, but mine wanted to be a generalization (only
incidentally used in a web parsing application). The fact is that,
beeing a macho newbie programmer (the macho is from Steven
D'Aprano), I wanted to show how
Hi Bernhard,
firstly you must excuse my English (angry is a little ...strong, but
my vocabulary is limited). I hope that the experts keep on helping us
newbie.
Also if I am a newbie (in Python), I disagree with you: my solution
(with the help of Joe) answers to the problem of splitting a string
Hi all,
I am writing a script to visualize (and print)
the web references hidden in the html files as:
'a href=web reference underlined reference/a'
Optimizing my code, I found that an essential step is:
splitting on a word (in this case 'href').
I am asking if there is some alternative (more
Hi Christopher,
if you have to make calculations or comparing operations, the only
safe method is to save and use only integer values.
Of course there must be a preventive agreement on the precision you
want to have (2, 3 4 ... decimals).
The sw part is straigthforward:
- to save in the database
Hi,
About the error, you already got the answer from the experts.
Beeing almost a newbie, I tried instead an elaboration of your example,
using lists.
Furthermore I timed the two methods and to my surprise the list
method takes longer:
# Head_Tail.py
import random, time
nStart= time.time()
#
Hi Matt,
I also am almost a newbie (in Python) and my approach to variable
naming
follows more or less the Hungarian Type Notation Defined.
To better explain, I use one char or two (in small case) as a prefix of
the name of
the variable (starting in capital letters).
The prefix identifies the type
Hi datacide,
before, the good part...: thank you for your replay. Your suggestion
has opened me a new worldl: an alternative method to get web
resources.
Now the bad part: your is an example of guru's suggestion, that is a
few words from which the poor newbye can't exctract much. It is much
more
IPnumber.rjust(15)
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Hi,
the solution is a little more involved, if you want to right justify
each of the
four components of IP number:
import sys
try:
.sIPnumber=sys.argv[1]
except:
. sys.exit(-1)
list_lPcomponents=sIPnumber.split('.')
sRJ=''
for n in list_IPcomponents:
. sRJ+=n.rjust(3)+'.'
print sRJ[:-1]
Hi all,
beeing almost a newbie, I am trying to learn from experts.
For that reason I am collecting examples of Python sources (and
Pythonic way of programming...) on a CD, ready to be searched.
By now, I extracted from web (using wget) all the examples of Cookbook
Python (35 Mb!). After some
Hi Rob,
thank you for your reply. I am further commenting on your doubts (I'm
not entirely sure what the point of your exercise is) and on your
proposal of a project for more structured tutorials.
About the second item, I fully agree with you. I should be even more
drastic: for a certain argument
Hi all,
to obtain a file list from a dir you can use:
import os, sys
try:
. sExtension=sys.argv[1]
. sPath=sys.argv[2]
except:
. sExtension=
. sPath='.'
lF=os.listdir(sPath)
# to remove from the list also the names of backup files
lF=filter(lambda lF: '~' not in lF and sExtension in lF,lF)
Hi Jeremy,
I am interested in collaborating to your project, but first of all I
must install Veusz and see what is the feeling I get. I'm almost a
newbie in Python but I'm an old programmer and have quite a lot of
experience in designing scientific software. For example I know very
well contour
I should need a great errrect1on ... but get away from beeing
permanently on the top of the list!
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Hi all,
when I was young I programmed in an interpreted language that allowed
to modify itself.
Also Python can (writing and running a module, in-line):
fNew =open(newModule.py,'w')
lNew=['print 123\n','print 454\n','print 789\n']
fNew.writelines(lNew)
fNew.close()
from newModule import *
Hi rh0dium,
Your request gives me the opportunity of showing a more realistic
example of the technique of self-modification coding.
Although the coding is not as short as that suggested by the guys who
replayed to you, I think that it can be interesting
# newVars.py
lCod=[]
for n in
Hi,
I apologize not to have answered to your question in a coherent way. I
can take as excuses that I don't know English very well or that I was
mistaken by the fact that you refer a piece of code with the error
traceback (instead of simply asking for how entering command
parameters in IDLE).
Hi all,
with my last initiative (logging by intercepting open calls) I
succeded (with the essential help of Fredrik Lundh), but I must
confess that the method is too complicated...
I think that a better result could be obtained by offline debugging.
I explain: debugging is mainly an interactive
Hi,
also if you print only 'host', running the script, you have to pass
all the 3 parameters, like:
python socket_script.py myserver 567 'All is OK!'
The parameter sys.argv[0] is of course the script 's name (in this
example: socket_script.py)
Bye.
--
.
In the test I carried on the answer was:
OPEN ('pippo2',) FROM ? IN /home/qwweeeit/app.py
OPEN ('pippo3', 'w') FROM ? IN /home/qwweeeit/app.py
OPEN ('pippolong', 'w') FROM ? IN /home/qwweeeit/app.py
I have not tested yet if multi-module applications answer in terms of
modules.
I must thank also Bengt
Hi Joal,
I can only tell you that in my Linux Mandrake 10.1 (Community Edition),
all is ok:
Python 2.3.4 (#2, Aug 19 2004, 15:49:40)
[GCC 3.4.1 (Mandrakelinux (Alpha 3.4.1-3mdk)] on linux2
Type help, copyright, credits or license for more information.
import site
dir (site)
['_Helper',
Hi Daniel,
look at the thread I started (Modifying a built-in function for
logging purposes).
Hi Greg,
thank for your replay, but I didn't succeed in any way. You must
consider however that I'm not a Python expert...
IMHO, it must be a script that change part of the interpreter, and
substitute a new module (py) in the place of the standard one (py or
pyc). The standard module must be saved
Hi all,
I have in mind to learn to use MySQL, not only to use it myself but
also to persuade a friend of mine to use Python and MySQL and abandon
Informix and its old fashioned language (and also SCO UNIX to migrate
to Linux).
Apart reading tutorials, I have found that the best thing to learn a
Hi all.
Steve Holden wrote:
... to conflict with the can't teach an old dog new tricks ...
Excuse my English (also some terms of your replay have no
correspondance in my English dictionary...) and my lack of patience
(beeing an old dog ...).
My original request was mainly centered on flow
Hi Fredrik,
thank you for saying that I am
... posting silly assertions.
I didn't born Python expert, and I am hardly trying to learn
something.
I don't like classes but this assertion (silly... I agree) is due to
the fact that I don't understand them well (I hope to change mind in
a near
The pythonic way of programming requires, as far as I know, to spread a
big application in plenty of more manageable scripts, using import or
from ... import to connect the various modules.
In some cases there is a further complication: module importing through
an indirect mechanism, like: exec
Hi Richie,
I did not post my solution because I did not want to pollute the
pythonic way of programming.
Young programmers, don't follow me!
I hate (because I am not able to use them...) classes and regular
expressions.
Instead I like lists, try/except (to limit or better eliminate
debugging) and
Hi Richie,
thank you for your answer.
Your solution is interesting but does not take into account some white
spaces (like those after the commas, before or after mathematical
operands etc...).
Besides that I'm a almost a newbie in Python, and I have the very old
programmers' habits (I don't use
Hi all,
in my cross-reference tool I have the need to highlight the variables
(by printing them in bold).
I am using the kwrite editor, and I am not able to control it from
python.
I was thinking of various solutions:
- consider the text file as html and use b.../b
- use LaTex
- define a new
Hi all,
I need to limit as much as possible the lenght of a source line,
stripping white spaces (except indentation).
For example:
. . max_move and AC_RowStack.acceptsCards ( self, from_stack, cards
)
must be reduced to:
. . max_move and AC_RowStack.acceptsCards(self,from_stack,cards)
My
Hi,
At last I succeded in implementing a cross reference tool!
(with your help and that of other gurus...).
Now I can face the problem (for me...) of understanding your
code (I have not grasped the classes and objects...).
I give you a brief example of the xref output (taken from your code,
Hi,
Importing a text file from another o.s. is not a problem : I convert
it immediately using the powerful shell functions of Linux (and Unix).
I thank you for the explanation about classes, but I am rather dumb
and
by now I resolved all my problems without them...
Speaking of problems..., I
Hi,
I have no more need to corret my code's bugs and send to clp group a
working application (I don't think that there was an eager
expectation...).
Your code is perfectly working (as you can expect from a guru...).
Thank you and bye.
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Thanks! If you answer to my posts one more time I could consider you as
my tutor...
It was strange to have found a bug...! In any case I will not go deeper
into the matter, because for me it's enough your explanatiom.
I corrected the problem by hand removing the tokens spanning multiple lines
My code, besides beeing cumbersome and criptic, has another quality:
it is
buggy!
I apologize for that; obviously I discovered it after posting (in the
best tradition of Murphy's law!).
When I will find the solution I let you know, also if the problem is
made difficult for the fact that the for
In analysing a very big application (pysol) made of almost
100 sources, I had the need to remove comments.
Removing the comments which take all the line is straightforward...
Instead for the embedded comments I used the tokenize module.
To my surprise the analysed output is different from the
I am in debt with you of an answer on my solution in removing
literal strings...
I apologize not to have followed your suggestions but I am just
learning Python, and your approach was too difficult for me!
I've already developed the cross reference tool, and for that I
identified two types of
It' s my faute that I have not read more deeply the Library
Reference...
In any case the time wasted in developping small applications to
number lines and remove comments, triple quoted strings, multiline
instructions etc. has been useful to learn the language...
Now I already have the single
I thank you for your help.
The more flexible solution (Paul McGuire) is interesting but i don't
need such a flexibility. In fact I am implementing a cross-reference
tool and working on python sources, I don't need the '.' as separator
in order to capture variables and commands.
I thank
I thank you for your help.
I already used re.split successfully but in this case...
I didn't explain more deeply because I don't want someone else do my
homework.
I want to implement a variable commands cross reference tool.
For this goal I must clean the python source from any comment and
The standard split() can use only one delimiter. To split a text file
into words you need multiple delimiters like blank, punctuation, math
signs (+-*/), parenteses and so on.
I didn't succeeded in using re.split()...
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Sorry, in writing down the problem and the corresponding solution, I
made a mistake. It's evident, but anyway...
Wrong:
# ab * cb = dab 35 * 26 = 936
# + + - + + -
# ifd + chg = eaf179 + 258 = 437
# ---
Another math problem easier to solve by hand, but, IMHO, difficult to
program in a concise way like the solution of Bill Mill
(linalg_brute.py) to the problem of engsol.
I appreciated very much the Bill Mill's solution and that inspired in
a certain way the solution for my problem.
# Problem and
For a python code I am writing I need to remove all strings
definitions from source and substitute them with a place-holder.
To make clearer:
line 45 sVar=this is the string assigned to sVar
must be converted in:
line 45 sVar=s1
Such substitution is recorded in a file under:
s0001[line
Thank you for your suggestion, but it is too complicated for me...
I decided to proceed in steps:
1. Take away all commented lines
2. Rebuild the multi-lines as single lines
I have already written the code and now I can face the problem of
mouving string definitions into a data base file...
At programming level it seems correct (a part a return closure
needed for the main function).
But the error is IMHO conceptual:
for a char you need 7 bits (from 0 to 127 or in hex from x00 to x7F)
and you can't accomodate the other char in only one bit!
The other 128 symbols (from 128 to 255 or
Hi all,
I am developing in Python (as a GUI I choosed Qt).
To increase my expertise, besides reading manuals tutorials, I am
studying a big program developed in the language of my choice, and
related with my project (to develop a card game).
For that reason I choosed PySol (also if the GUI part
PySol uses TKinter as GUI system.
Wanting to learn python I am studying PySol, but having choosed Qt as
my GUI, I am asking if someone can comment on my choice both on pysol
as as an application worth to study (I want to implement a card game)
and mainly on Qt choice.
Perhaps it would be better
It must be the Free Software Foundation that has to take in charge the
problem (as I know it has already done in some cases)...
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