Python Forum

>>> 'C:\\WINNT\\system32;C:\\WINNT;C:\\WINNT\\System32\\Wbem;%C:\\WINNT%\ \system32;%C:\\WINNT%;%C:\\WINNT%\\System32\\Wbem' 'C:\\WINNT\\system32;C:\\WINNT;C:\\WINNT\\System32\\Wbem;%C:\\WINNT%\ \system32;%C:\\WINNT%;%C:\\WINNT%\\System32\\Wbem' What am I doing wrong? How do I change the value of an environment variable?

Is there a simple way in python to read a keyboard scan code? I'm working on a shell script that interfaces with a proprietary keyboard device (extra buttons) and need to be able to distinguish between those keys. Thank you

I have a variable that store a string (i.e. a variable name msg).I want to say something like that: if msg is empty ...then do something.So how can i figure that msg is empty string (no character, msg = '').Maybe a silly question but i have no programming experiense.Thanks, Leonidas

L.S., I have installed locally Python-2.4.4 without any problem. Then I would install the "ez_setup.py" to be able using of "easy_install" tool, but I get the next error: %python ez_setup.py Traceback (most recent call last): File "ez_setup.py", line 223, in ? main(sys.argv)

Hello. I was wondering how to print all the files in a folder. If possible, could it be like Python prints one file and waits for a confirmation and then moves to the next? By the way, by print, I don't mean like printer paper stuff. I mean by Python writes the stuff out in the Command Prompt thing. My friend told me print in language doesn't mean...

I have been trying to run a python program and I get the following error: Traceback (most recent call last): File "<string>", line 39, in ? File "/home/Larry/.blender/scripts/bzflag/__init__.py", line 22, in ? import BZfileRead File "/home/Larry/.blender/scripts/bzflag/BZfileRead.py", line 24, in ? import BZsceneWriter File...

Working on a class that I would use multiple constructors in C++ since I have different ways of creating the data. Tried this in python by defining multiple __init__ methods but to no avail, it seems to only find the second one. So I have: class myclass: __init__ (self, mystring1, mystring2) self.name = mystring1 ...

I looked for a crc-16(crc 16) function to use but couln't find one that worked: This one is working .. def crc16(s): crcValue=0x0000

Suppose I have a batch file called mybatch.bat and I want to run it from a python script. How can I call this batch file in python script? Thanx/NSP

Hello guys, How would I control digits after decimal point? Andy

Hello, I was wondering if I could control how many bytes are in an int and the byte order. In C/C++ I can use int32 but how do I do this in python? How can I control byte order?

Hey I'm new to python, but I have used a fair bit of C and Perl I found Perls regex's to be very easy to use however I don't find Pythons regexes as good. All I am trying to do is detect if there is a number in a string. I am reading the string from an excel spread sheet using the xlrd

Hi I am quite familiar with normal python errors which can be caught by using the try... except... finally clause. But very often I find other kinds of exceptions raised in my programs. Here is an example. <TRACEBACK> Traceback (most recent call last):

hi i am trying to resize some images.First i'd read the size as a 2 tuple and then i want to divide it by 2 or 4 or 2.5 etc.. suppose origsz=(400,300) i want to divide the origsize by 2.5 so i can resize to (160,120) scale=2.5 how can i get the newsz?

cPickle.loads raised "ValueError: insecure string pickle". The error is from a log file and I cannot reproduce it (quickly). What can be the cause for that error? Robert

Can you give a commandline example how to do XML Validation (checking against a DTD) with Python? Not with 4Suite or other 3rd party libraries, just the Python standard distribution. I have Python 2.2 but can upgrade to 2.3 beta if needed. I am looking for something like: " $ python validate.py myxmlfile.xml mydtd.dtd "

I'm writing a multithreaded COM server to manage a pool of hardware resources. All objects are designed to be thread-safe, and I've set sys.coinit_flags to COINIT_MULTITHREADED before importing pythoncom. The problem is that all requests to the server seem to be serialized by COM. To demonstrate the problem, I'm including a simple test...

Hi. >>> import time, calendar, datetime >>> n= 1133893540.874922 >>> datetime.datetime.fromtimestamp(n) datetime.datetime(2005, 12, 6, 10, 25, 40, 874922) >>> lt= _ >>> datetime.datetime.utcfromtimestamp(n) datetime.datetime(2005, 12, 6, 18, 25, 40, 874922) >>> gmt= _

Has anyone else run into random IOErrors ( bad file descriptor) in multi-threaded Python apps? I've searched the newsgroups, and the only references I can find to that seem to be sporadically related to threading, but nobody seems to have a "fix" or even a clear understanding of what the issue is. The app I'm running into this with (once...

what are the simple ways? I could think of os.open(), os.exec(touch file) are there any simpler methods?

Hi, I need to output numbers to a csv file and use the new csv module in python2.3: " import csv data = ,] w = csv.writer(file("out.csv","w")) w.writerows(data)

Hi all, This is my framework for create TCP server listening forever on a port and supporting threads: import SocketServer port = 2222 ip = "192.168.0.4"

How can I convert a perl script to Python? Thank you!

I've heard tell of a Python binding for libmagic (file(1) *nixy command; see http://darwinsys.com/file/). Generally, has anybody built this and worked with it under Windows? The only thing I've been able to find is the python-magic module at http://hupp.org/adam/hg/python-magic/. Is this "THE" python-magic module. (It seems to be to...

I'm trying to make a game of "ghost", but I can't seem to check the dictionary file correctly to see if the word is located in it. How can I check to see if the variable created by the players is equal to a string in a list? The wordcheck function is what is not working. def load_words(): ''' Loads the words from 'words.txt' into a...