Emad Nawfal (عماد نوفل) wrote:
just want to be able to do this myself. My question is: what tools do I need
for this? Could you please give me pointers to where to start? I'll then try
to do it myself, and ask questions when I get stuck.
I'd start with parsing (reading) the tree to a generic ab
mobiledream...@gmail.com wrote:
when i call a method foo from another method func. can i access func context
variables or locals() from foo
so
def func():
i=10
foo()
in foo, can i access func's local variables on in this case i
As others have already pointed out, this is a really bad idea.
Bala subramanian wrote:
Hello all,
query 1) How should i overwrite the input file
I want to open 5 files one by one, do some operation on the lines and write
the modified lines on the same file (overwritting). Can some please tell me
how to do it.
You cannot write output to a file if you need
kkwai...@umich.edu wrote:
Hi,
I am trying to convert an output from subprocess.Popen() from a byte
string to a list of numbers. This is what Popen returns:
print SAL.stdout.readlines()
['[335, 180, 201, 241, 199]\r\n']
Except the string will be much longer in practice.
I've experimented w
prasad rao wrote:
helloThank you Lie and Kent.
I forgot about newline character and the fact that string can be sliced.
Thanks for your timely help
BTW I have gone through the Python library reference and find no examples
in fileinput module.
The fileinput module only deals with reading and w
ski wrote:
hello,
i have this list which contains a number of dictionaries.
>>>d1 = [{'is_selected': False, 'id': 'AAC', 'title': 'Association of
Airline Cons.'}, {'is_selected': False, 'id': 'AALA', 'title': 'Adv.
Activity Licence. Auth.'}, {'is_selected': False, 'id': 'ABPCO',
'title': 'A
Hello,
Chris Castillo wrote:
Thanks for clearing that up. I knew it was much simpler than I was trying to
make it I just couldn't quite see the logic that I needed for the problem
clearly. Thanks for the elegant code.
On Mon, Mar 9, 2009 at 10:53 PM, Moos Heintzen wrote:
binnum = raw_input("
Lie Ryan wrote:
Emile van Sebille wrote:
Mark Tolonen wrote:
[dict(n) for n in set(tuple(n.items()) for n in l1)]
Anyone know if the ordered items for two different dicts where dicta
== dictb is guaranteed the same? I know the ordering is unspecified
but you can depend on the sequence of k
Cheetah1000 wrote:
I can't speak for Python 2.6, but using Jython 2.1 (Python 2.1 for Java),
the code only looks at the file you are trying to extract()/read(). Near
the end of the zip archive is a directory of all the files in the archive,
with the start position and length of each file. Jytho
Kent Johnson wrote:
On Mon, Mar 16, 2009 at 12:30 PM, A.T.Hofkamp wrote:
I don't know what code is executed in an assignment exactly, but
**possibly**, first the 'read()' is executed (thus loading a very big string
into memory), before assigning the value to the variable (whi
Hello Denis,
spir wrote:
Is there a list.replace builtin I cannot find? Or a workaround?
You didn't find it because it does not exist.
You should do something like
[f(x) for x in old_lst]
where f(x) implements the replacement.
Also: How would perform string.swap(s1, s2) in the following c
OkaMthembo wrote:
Doesn't backslash also escape the newline? Thought i saw something to that
effect in the tutorial.
It does, but only inside the .py file. It has no effect when you run the
program.
Its purpose is to allow you to break long lines, for example
if long_function_name(a) == long
wesley chun wrote:
import listen
You can use the __import__ function if you want, but generally you
want the import statement as above. The equivalent to 'import listen'
is:
listen = __import__('listen')
See the tutorial here: http://docs.python.org/tutorial/modules.html
you also hav
Wayne Watson wrote:
Good. Thanks.
Here's my code.
==
# Executing a Linux program under Win XP
from subprocess import call
myProg = call(["C:\Sandia_Meteors\Various\FuzzyLogic\wolf", "-h"])
You must always escape \ characters in a string.
do r"C:\Sandia_Meteors\Various\FuzzyLogic\wolf"
Wayne Watson wrote:
Yes, good, but I tried
myProg = call([r"C:\Sandia_Meteors\Various\FuzzyLogic\wolf", "-h"]),
and get exactly the same results.
So the next step is to find out what is wrong.
In other words, experiment with the problem to get an understanding what is
not working. Once you ge
Bala subramanian wrote:
1) Now my question is, how to make this list creation dynamics, say if user
enter number of clusters = 4, i would create four list. If the user enter 3,
then i shd create three lists inside my program. How to do this dynamic
creation of list depending on user input.
Use
Bala subramanian wrote:
Friends,
I do the scripting in Linux. I use vi editor to code. It is not very
convenient for me. Kindly suggest me a best free *text editor* ( i can code
and debug the code simultaneously ) *for python* based on your experience.
*best* means something different for ever
T wrote:
Hi.
I'm working on Paper, Rock, Scissors in Python.
I need to make it a loop, and test the values (1, 2, 3, /Rock/Paper/Scissors)
yet, but i'm kind of stuck. Could you help me?
import random #Imports the random modual from the library.
def main(): #First function.
print 'Lets p
mbikinyi brat wrote:
Dear ALL,
What is really the importance of Docstring in Python???
Regards,
Henry
The same as comments, except at function, class, and module level. In
addition, Python provides hooks for extracting that information, and eg put it
in a document such as the standardlib docu
Matt wrote:
Hey everyone,
First post to this list. I hope I'm doing it right.
Let's say I want to run func 10 times Is there a more pythonic way to do it
than this:
for i in xrange(10):
func()
no, that looks fine for your requirement.
What may be a bit weird here is the requirement to run
Shaofeng NIu wrote:
I tried to compile and install python3.0 from source,but after "make",it shows:
Python build finished, but the necessary bits to build these modules were not
found:
_dbm _gdbm _hashlib
_sqlite3 _ssl _tkinter
bz2
Spencer Parker wrote:
Would the best route for this be
threading? or is there another way to go about it?
At #python, you'd quickly get redirected away from threading (you are making a
IO-bound app, so threading doesn't buy you anything in performance and gives a
big headache in data protecti
Kent Johnson wrote:
On Mon, Apr 27, 2009 at 2:46 AM, A.T.Hofkamp wrote:
you are making
a IO-bound app, so threading doesn't buy you anything in performance and
gives a big headache in data protection
Please explain. Presumably the single-threaded app is not IO-bound.
Adding threads can
Dinesh B Vadhia wrote:
I'm processing tens of thousands of html files and a few of them contain
mismatched tags and ElementTree throws the error:
"Unexpected error opening J:/F2/663/blahblah.html: mismatched tag: line 124, column
8"
I now want to scan each file and simply identify each mismat
Norman Khine wrote:
hello,
i have the following code:
if unique_id is not None:
training = self.get_site_root()
from training import Training
# link back to news item
root = context.root
formats = ['itinerary', 'news']
for document in formats:
results = root.searc
David wrote:
I am getting information from .txt files and posting them in fields on a
web site. I need to break up single strings so they are around 80
characters then a new line because when I enter the info to the form on
the website it has fields and it errors out with such a long string.
rony dsouza wrote:
Hi Al,
My name is Rony, I am new to python.
Welcome to the list.
Need your help and guidance for developing a python script with the below
details:
Using GnuPG to encrypt a file(s) on linux. Essentially two modes of operation
would be ideal:
1. Running something
man...@themacaque.com wrote:
Hello there,
I have just started working with python and I have some issues
understanding how I should be importing modules from packages. Curretly I
have the following tree structure:
general/
__init__.py
address_book.py
groups/
__init__.py
contact_
MK wrote:
Ok. I explain it once more. Its not about reading the console output of
the command. Its that i want to put a empty file in my subdirectories
so that the name of the file is a message or url or something else.
And if you want an empty file you can do that with
"cat > IAmAnEmptyFileWith
Strax-Haber, Matthew (LARC-D320) wrote:
A folder is created during object instantiation. This is necessary because
multiple other methods depend on the existence of that folder, and in the
future things may be running in parallel so it has to be there for the
entire life of the object. Before the
spir wrote:
def _cleanRepr(text):
''' text with control chars replaced by repr() equivalent '''
chars = []
for char in text:
n = ord(char)
if (n < 32) or (n > 126 and n < 160):
char = repr(char)[1:-1]
prasad rao wrote:
hello
I get a problem while trying to print non callable
items in dir(module).May be as the items are strings.
It is much easier to read about the contents of the sys module in the
documentation: http://docs.python.org/library/sys.html#module-sys
Not only is the conte
Alan Gauld wrote:
Even if you use the other suggestions to prove its
callable that doesn't mean you can do this:
print sys.x()
If the callable takes parameters then this will fail.
You need to know quite a lot more about what you
are calling and that is a non trivial task in the gener
Lie Ryan wrote:
I'm wondering whether I have misunderstood the documentation or this is
a bug in either the documentation or the python:
Python 2.5.4 (r254:67916, May 18 2009, 20:53:31)
[GCC 4.3.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
import subproces
Vincent Davis wrote:
Accidentally sent I have added the rest
(by the way I refrain from using the terms attribute, method, as I
will likely miss use them)
I am reading several tutorials about classes and trying to figure out
how to apply it to my project. I have a working program that basic
Albert-jan Roskam wrote:
Hi David and Tino,
Thanks! I will try this tonight when I'm back home from the office. It's
interesting to see how you split up the code into several little functions.
Maybe it's typical for a newbie (like myself) to have the tendency to put
everything into one function,
Jacob Mansfield wrote:
does anyone know how to make a parallel or serial interface with respective
software, i would prefer parallel because it is easy to utilise
Both the serial and the parallel interface seem to be covered by pyserial
http://pyserial.wiki.sourceforge.net and
http://pyserial.
Robert Lummis wrote:
I want to write a function that I can use for debugging purposes that
prints the values of whatever list of object references it is given as
arguments, without knowing in advance how many object references it
will be called with or what they might be. For example, the call:
s
eShopping wrote:
import subprocess
x = subprocess.Popen(args="poly.exe",stdin=subprocess.PIPE)
for item in ["polyin.dat", "polyout.dat", "polyout.plt"]:
x.stdin.write('%s\n' % item)
but got the same error message
Above code would seem to be correct.
Are you sure the Fortran program ac
eShopping wrote:
At 13:26 11/06/2009, you wrote:
Are you sure the Fortran program accepts the names?
One easy way to test this is to try
C:\> poly.exe < poly_files.txt
in a CMD program (or COMMAND or whatever the console program is
called nowadays at Win* systems).
Tried piping the input as
spir wrote:
Hello,
I have (again) some issue using __new__.
What I need is basically to catch an object creation and yield an object of an
alternate type, when a condition is met.
Basically, the outline looks like:
class Normal(object):
def __new__(cls, arg):
if cond(arg):
Febin Ameer Ahsen wrote:
how to implement diff command showing difference in box
Don't implement diff yourself, use the difflib module instead.
Albert
___
Tutor maillist - Tutor@python.org
http://mail.python.org/mailman/listinfo/tutor
kgotlele...@galmail.co.za wrote:
Hi,
I am trying to write a program in python that solves a system of nonlinear
equations using newton's method. I don't know what I am doing wrong.
> Please help
In general, it helps for both you and us if you show what happens when you run
the program, and how
col speed wrote:
HI Guys,
I have a small programme, called shop.py, that I wish to make into a
"frozen binary" ( I think that's right - I'm using Linux Ubuntu 9.04
and I want the programme to work on a windows computer that doesn't
have Python installed).
I used freeze.py from examples/Tools and
Robert Lummis wrote:
... or any pre-processing at all?
I'm looking for a way to get boiler plate code into the main program
file. Of course I could copy and paste it with an editor but I was
hoping for something more pythonic. I know about import but that's not
the same.
Python is very good at
David H. Burns wrote:
I am new to Python and I'm looking for help on graphics in Python3.0.
All the graphics libraries I've seen are far to complex (and don't seem
compatible with 3. What I really need to know is two things (1) how to
set up a graphic window and (2)how to plot a pixel. Basicall
Vishnu S wrote:
Sir/Madame,
i'm a begginner to Python
help me in putting the first step to this world
Welcome!
A useful first page may be http://wiki.python.org/moin/BeginnersGuide for an
overview, and http://wiki.python.org/moin/BeginnersGuide/NonProgrammers where
you can find a lot of link
Brummelen, M. van (ICT) wrote:
Hi,
What would be the best way to convert a setup.py file to a Makefile?
Don't convert, simply run the setup.py from the Makefile
Albert
___
Tutor maillist - Tutor@python.org
http://mail.python.org/mailman/listinfo/
Pete O'Connell wrote:
Write {
file /Volumes/raid0/Z353_002_comp_v27.%04d.cin
file_type cin
name Write1
xpos 13762
ypos -364
}
The simplest approach imho is to parse the input with a proper parser, eg PLY
or pyparsing.
If you want to do the parsing manually, I'd start by classifying eac
Hai,
Welcome to the complexities of package management :)
wcyee wrote:
Hi, When I am able to find and install a windows package distributed
as an exe file, I can just go to "Add & Remove Programs" in the
"Control Panel" and uninstall it.
That's what I call an OS package manager. My Linux on
Todd Matsumoto wrote:
while True:
for i in items:
if i > 10:
break
else:
> Okay,
>
> So how would you break out from this situation?
>
finished = False
while not finished:
for i in items:
if i > 10:
finished =
Todd Matsumoto wrote:
Okay,
I'm not sure if this is good practice, but I could assign a variable within the
while loop, that is assigned something that will then break the outer loop.
while True:
breakout = True
for i in items:
if i > 10:
breakout = False
Muhammad Ali wrote:
def separateToList(num):
"""
changes an integer into a list with 0's padded to the left if the number is
in tens or units
"""
assert(num <= 255)
s = str(num)
li = []
if len(s) > 2:
li = [s[0:1], s[1:2], s[2:3]]
elif len(s) > 1:
Dave Angel wrote:
def separateToList(num):
"""
changes an integer 0-255 into a list of ints, size exactly 3
"""
return map(int, list(format(num, "03d")))
Nice!
Note that the "list" conversion is not needed; when you iterate over a string
you automatically get each character in
Todd Matsumoto wrote:
Hi,
Does anyone know how to do a unittest assert for a type?
So If you have a program returning a Decimal, lets say Decimal("1"), and you
want to make sure that what is returned is a Decimal object.
At first I thought of importing Decimal and making my own Decimal("1")
amit sethi wrote:
Sorry , I didn't follow the format of posting to the group. Well I am new to
xml and python . What I basically want to do is to read elements from the
xml which is by the way large ~2GB and read the attributes and make a
decision as to whether i want to keep that element or not
W W wrote:
Hi,
I'm trying to compare two strings because I want to find the difference.
i.e.
string1 = "foobar"
string2 = "foobzr"
is there a simple way to do this with a for loop? This is the method I
tried, but it gives me an error:
In [14]: for x, y in bar[0], bar[1]:
: print x,
[EMAIL PROTECTED] wrote:
hello,
i have the follwoing csv file:
"Berat","Berat","Kuçovë","Skrapar"
"Dibër","Bulqizë","Dibër","Mat"
"Durrës","Durrës","Krujë"
"Elbasan","Elbasan","Gramsh","Librazhd","Peqin"
"Fier","Fier","Lushnjë","Mallakastër"
"Gjirokastër","Gjirokastër","Përmet","Tepelenë"
"Korçë
spir wrote:
Q: Is there a way to write /type/ (class) functions, meaning methods not
bound to an instance, in python?
As Bob Gailer already said, staticmethod seems to do what you want.
After reading your mail, I cannot help wondering that something crucial seems
to be missing in your class s
spir wrote:
After reading your mail, I cannot help wondering that something
crucial seems to be missing in your class structure. (I get the
impression that you are trying to squeeze object information and object
meta information together in one class definition.)
Yes. This is a consequence of
Monte Milanuk wrote:
Hello again,
Just looking for clarification on a point: the book I'm using is written
around Python v.2.3, and has an exercise using string.join(). Specifically, it
said to use string.join(msgList, ""), the object of which was to take the list
items in msgList and concatena
shawn bright wrote:
Hey all,
I am back again with the serial port stuff, i have verified that all
the baud rate and settings are ok,
had my unit talk directly to a serial port reader and it is looking
good, however, i still am not seeming to be able to read this.
I had a question that might mak
John Fouhy wrote:
2008/11/6 Brian Lane <[EMAIL PROTECTED]>:
But you could also compare it to a known type:
if not type(price) is type(decimal.Decimal(0)):
print "Not Decimal"
Easier to just compare with decimal.Decimal:
import decimal
d = decimal.Decimal(13)
type(d) == decimal.Decimal
Tru
Pablo Englebienne wrote:
Hi, I'm trying to work with a dictionary of dictionaries and I'm having
trouble accessing a specific element of it:
$ python
Python 2.6 (trunk:66714:66715M, Oct 1 2008, 18:36:04)
[GCC 4.0.1 (Apple Computer, Inc. build 5370)] on darwin
Type "help", "copyright", "credits
spir wrote:
# By the way, I do not understand at all the behaviour of repr on
rounded floats:
x = round(1.1,1)
print x, repr(x), "%s" %x
1.1 1.1001 1.1
This is a FAQ question:
http://www.python.org/doc/faq/general/#why-are-floating-point-calculations-so-inaccurate
Sincerely,
Albe
Robert Berman wrote:
I have a number of functions written in a python script called script1.py. In
another script, script2.py, I need to use a number of the functions residing in
script1.py. How do I make these functions known to script2.py.
Thank you,
script1.py:
def f(n):
return n + 1
[EMAIL PROTECTED] wrote:
Hello,
I am completely baffled by this action and would appreciate any help. My
problem is occurring within a class which is within a larger program; if
I need to post the entire program let me know and I will. It's only
about 250 lines so far. Anyways, I am using a l
trias wrote:
Hi,
so for this part of the problem it goes a bit like this:
I have a CSV file (file1) that contains three columns, column one contains
a unique ID type str,
columns two and three contain start and stop coordinates type int.
the other file (file2) contains two columns, column
Suresh Krishna wrote:
it works (i think), but since this is my very first python program, i
would really appreciate feedback on how the program could be improved..
First of all, welcome, new Python programmer,
My main trouble with the program is lack of structure, some lines deal with
indivi
Bryan Fodness wrote:
I have a list in a text file that is in the python format.,
Positions = [2.5,2.8]
Why do you use Python format for storing data?
(Python format is for storing programs, usually)
and would like to grab the values.
for line in file('list.txt'):
if line ==
prasad rao wrote:
Hello friends.
I am new to programing.I am learning Python.
I failed in my attempts to retrive doc strings of methods in
a module.
"""
for x in dir(logging):
print x,x.__doc__
=
for x in dir(collections):
print x,collections.x.__doc__
==
I am n
Mr Gerard Kelly wrote:
This is extremely weird, I think.
Here is a tiny program:
from math import *
from Numeric import *
x=[0]*10
for counter in rangelen((x)):
x[counter]=counter*0.1
print x
Here is what I get:
[0.0, 0.10001, 0.20001, 0.30004,
0.
vanam wrote:
Hi all,
i am beginner to this python language and slowing learning the language by
referring docs.I am trying to understand the for loop i.e., usage of for
loop in python,unlike c where i can give condition in python it is simple
In C, the for-loop is just a hidden 'while'. You can
WM. wrote:
As a BASIC, hobby programmer, (long since), I get so jargonized here
that I seldom ask about anything any more. The only useful bit I have
gleaned from reading many, many posts is the URL for projecteuler.
Maybe, after I get past the baby steps and start using the libraries, I
will
WM. wrote:
Norman Khine wrote:
>>> i = 5
>>> j = 7
>>> if i <= j:
... print 'nudge', 'nudge'
... else:
... print 'whatever'
...
nudge nudge
>>>
Yes, I understand how your program works. What I do not understand is
how you got it. My program came out in IDLE as you see it. No ..
Kgotlelelo Legodi wrote:
good day
I just started using python and i want to know how can i solve a boundary
value problem for ordinary differential equations using shooting method in
python.use the general equation to demonstrate the python code.
I have no background in numeric calculations,
Marco Petersen wrote:
I'm using Python 2.5.4. I wanted to try out the SMTP module. I tried to
send an email through my Gmail account but it keeps saying that the
connection was refused.
This is the code that I used :
import smtplib
msg = 'Test'
server = smtplib.SMTP('smtp.gmail.com')
server
David Hláčik wrote:
Hello guys,
I have a linked list where *number of elements is unlimited* and
**last element points on random (can be first, last, in middle ,
anywhere) element within linked list** - this is important . My goals
is to create an architecture /scheme for **algoritmus which will
Kent Johnson wrote:
On Wed, Jan 7, 2009 at 5:28 AM, A.T.Hofkamp wrote:
WM. wrote:
Norman Khine wrote:
>>> i = 5
>>> j = 7
>>> if i <= j:
... print 'nudge', 'nudge'
... else:
... print 'whatever'
...
nudge nudge
&
spir wrote:
Hello,
is there a way to read an exception's traceback? Cannot find it in object
attributes. [dir()
shows no traceback, __dict__ is empty.]
You should be able to do that with the traceback module.
Sincerely,
Albert
___
Tutor maillist
Timo wrote:
Hello,
I'm writing an application that stores people with some info. I'm doing
this with ConfigParser and it works, but currently (for testing), there
are only 10 persons in it. What if I add, let's say, about 500-600 or
even more? Is this still a good choice?
Last week, I creat
Hai Denis,
spir wrote:
"Secure import" means that I, as client of the imported module, know that
this module defines __all__. I can then safely import all. I can even
precisely know which names are defined simply by reading __all__. The common
practice of defining __all__ on top of a module hel
spir wrote:
Le Tue, 27 Jan 2009 11:26:06 -0200,
Ricardo Aráoz a écrit :
Operation Result Notes
|x | y| bitwise /or/ of x and y
|x ^ y| bitwise /exclusive or/ of x and y
|x & y| bitwise /and/ of x and y
|x << n| x shifted left by n bits
spir wrote:
Hello,
imagine you need to match such a pattern:
pat : (@@ [charset]* @@) | [charset]*
... where [charset] has to include '@'
My questions are:
* Is there any other way than using a non-greedy form of [charset]* ?
Something like this?
(in pseudo-RE syntax)
"(@@" ( [...@]* "@" [.
Wayne Watson wrote:
mask file: c:\operation/horizon.jpg
latitutde: -140.22
longitude 38.22
start time: 18:25:00
stop time: 06:30:00
event directory: d:\events_2009
grey scale: yes
autoexpose format: gif
I suspect there may be a standard way of doing this in Python that relies on
more complex o
Kent Johnson wrote:
Another way is to use a .ini file. The ConfigParser module can read
ini files but not write them.
http://docs.python.org/library/configparser.html
What do you mean 'not write them'?
from the Python docs:
RawConfigParser.write(fileobject)
Write a representation of the
David wrote:
line = infile.readline()# Invokes readline() method on file
while line:
outfile.write(line),# trailing ',' omits newline character
line = infile.readline()
The 'while' loop can be replaced by a 'for' loop, like
for line in infile:
outfile.write(line)
infile.cl
87 matches
Mail list logo
