Python Forum

There are 10 files in the folder. I wish to process all the files one by one. But if the files are open or some processing is going on them then I do not want to disturb that process. In that case I would ignore processing that particular file and move to next file. How can I check whether the file is open or not? I tried os.stat and...

I wrote some pretty basic socket programming again, but I'm still confused about what's happening with the buffer_size variable. Here are the server and client programs: -------------- from socket import * host = '' port = 51567 address = (host, port) buffer_size = 1024

Hello , I am new and I was stuck with the ord function. When i passed the value like this it gave me proper o/p: >>ord('\x16') 22 but when i concatenate '\x' and 16 the length of the string becomes 4 and it gives error.What's the method to convert it into ASCII like the one above for a string.

I have a python script that I want to test/debug. It contains a class which extends from some other class which is located in some other python file in a different directory. For example: c:\python_code\foo.py

I have this class: class case(blop.case): def __init__(self, n, a, b): blop.case.__init__(self) print 'Monty Python's Flying Circus has a ' within it...' ... ... But I get an error when I run the .py script from shell saying:

Hi, I am executing a python script in a shell script. The python script actually returns a value. So, can I get the return value in a shell script? If yes, then help me out. Regards, Devi

I have a little bit of trouble finding the median in a list. I am trying to ask the user what his/her marks are and i am trying to find the median. I have a little bit of trouble because the user could be inputting either an odd or an even number of marks but i don't know how to ask him/her. it would be great if someone could help me. This is what...

Hi all, It is (I hope) a simple question, I cannot figure out why sys.stdout.write() doesn't print immediatly the first text in the small example below, but before it process the code in between and then print both lines in one time. #!/usr/bin/env python import sys, time sys.stdout.write('write ')

Dear All, I am new to python. I need to write ctrl-z to a serial port to signal the end of input. This is required by the message format. I use: ser = serial.Serial(port=COMPORT,baudrate=BAUDRATE,bytesize=8,parity='N',stopbits=1,timeout=3,xonxoff=0,rtscts=0,) ser.open() ser.write("testing\x1A") But the ctrl-z (ascii 26) doesn't seem to...

How do I say: x = string.find(files, 'this', 'that', 'the-other') currently I have to write it like this to make it work: x = string.find(files, 'this') y = string.find(files, 'that') z = string.find(files, 'the-other')

I have a table of integers and each time I look up a value from the table I want to call a function using the table entry as an index into an array whose values are the different functions. I haven't seen anything on how to do this in python. TIA -- Time flies like the wind. Fruit flies like a banana. Stranger things have .0. happened...

import os, string print " " setpath = raw_input("Enter the path: ") def find_replace(setpath): for root, dirs, files in os.walk(setpath): fname = files for fname in files: find = string.find(file(os.path.join(root,fname), 'rb').read(), 'THIS') print find

I want to check if a folder named "foldername" is empty. I use os.listdir(foldername)== to do this, but it will be very slow if the folder has a lot of sub-files. Is there any efficient ways to do this? Thanks~

I'm a newbie so please excuse my ingnorance. I have serveral hunderd files in a folder and need to change the file extension from '.pnt' to '.txt'. Any suggestions? Thanks

I think everyone who used Python will agree that its syntax is the best thing going for it. It is very readable and easy for everyone to learn. But, Python does not a have very good macro capabilities, unfortunately. I'd like to know if it may be possible to add a powerful macro system to Python, while keeping its amazing syntax, and if it...

hi, here's the situation: I'm trying to build a GUI for a Genetic Algorithm that has a number of elements (labels) updated every iteration of the run. I've tried doing it in the widget (Label) (1) and in the mainframe (2), but neither worked. ...

I have a very big python file which uses lists,tuples and dictionary. The problem is that the program always crashes with Memory error. Can anyone suggest how to solve this problem??

Hi Is there any simpler way to convert a unicode numeric to an int than: int(u'1024'.encode('ascii')) ?? regards tores

Hi,everyone: Have you any ideas? Say whatever you know about this. thanks.

Hi, If I have a lot of integers and want do something with each digit as integer, what is the fastest way to get there? Eg. Make 12345 into an iterable object, like or "12345" (Btw: What is the English term for this process; itemize? tokenize? digitize? sequence?) Some examples:

Hi all, If I derive a class from another one because I need a few extra features, is there a way to promote the base class to the derived one without having to make copies of all attributes? class Derived (Base): def __init__ (self, base_object): # ( copy all attributes ) ...

Hi I have two files say a.py b.py a.py has 3 classes

Hello, I am a complete newbie to Python and am accustomed to coding in PHP/ Perl/Shell. I am trying to do the following: I have a string: cpuSpeed = 'Speed: 1000000000' What I would like to do is extract the '1000000000' from the string,

Hi! I'm working on a class for a ODE solver, and get a syntax error after the list comprehension for the end of the snippet. I can't seem to find a intuitive better way to write the list - does anyone see what the error is? class Problem: def __init__(self, h0, r, R, dt, T): self.h0 = h0 self.r = r #(and so on)

Hi, I'm writing a regex related program that lets the user supplies the regex definition. Is there an easy way to convert a string into a raw string? Cheers