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HellBound Hackers | Computer General | Programming

Author

Exiting Python?

shadowboy1505
Member

Posts: 24
Location:
Joined: 12.02.08
Rank: Mad User

Posted on 08-12-10 00:55

Okay so I have a program that I've written in Python 3. It creates a file log and writes it to a file. If there are no logs, the file doesn't get created. Later in the program it calls the file, but the file doesn't exist. I want it to catch the exception when it can't open the file and just exit the script and do nothing else but I can't figure out how. The exit and quit commands don't do what I want. I've tried to Google it but I can't find anything on it. Can someone lead me in the right direction please?

Author

RE: Exiting Python?

skathgh420
Member

Posts: 418
Location: 127.0.0.1
Joined: 03.03.08
Rank: God

Posted on 08-12-10 03:34

os.path.isfile(\path\to\file)

os.path.exists(\path\to\file)

Author

RE: Exiting Python?

ynori7
Future Emperor of Earth

Posts: 1481
Location: #valhalla
Joined: 08.10.07
Rank: Diabolical

Posted on 08-12-10 03:36

Try this:

#!/usr/bin/python

import sys

for x in range(1, 300):

        print x

        if(x==20):

                sys.exit(0)

Author

RE: Exiting Python?

wolfmankurd
Member

Posts: 1519
Location: UK
Joined: 30.05.05
Rank: God

Posted on 08-12-10 17:19

#!/usr/bin/python

try:

        open('File that doesnt exist', 'r')

except IOError:

        print "Can't open file."

        exit(1)

and a quick google

import sys



try:

    f = open('myfile.txt')

    s = f.readline()

    i = int(s.strip())

except IOError as (errno, strerror):

    print "I/O error({0}): {1}".format(errno, strerror)

except ValueError:

    print "Could not convert data to an integer."

except:

    print "Unexpected error:", sys.exc_info()[0]

    raise

From http://docs.python.org/tutorial/errors.html

BY READING MY POST, YOU ACCEPT IT AS IS AND AGREE TO MY DISCLAIMER OF ALL WARRANTIES, EXPRESS OR IMPLIED, AS WELL AS DISCLAIMERS OF ALL LIABILITY, DIRECT, INDIRECT, CONSEQUENTIAL OR INCIDENTAL, THAT MAY ARISE FROM THE USE OF THIS (MIS)INFORMATION.

Edited by wolfmankurd on 08-12-10 17:24

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HellBound Hackers | Computer General | Programming

Exiting Python?

RE: Exiting Python?

RE: Exiting Python?

RE: Exiting Python?