or if u want explicit exit of program then use:
import sys
sys.exit(1)
or
raise SystemExit, 'message'
Dan wrote:
> bruce bedouglas at earthlink.net posted:
>
> > perl has the concept of "die". does python have anything
> > similar. how can a python app be stopped?
>
> I see this sort of statement a lot in Perl:
> open(FH, "myfile.txt") or die ("Could not open file");
>
> I've no idea why you're asking for the Python equivalent to die, but if
> it's for this sort of case, you don't need it. Usually in Python you
> don't need to explicitly check for an error. The Python function will
> raise an exception instead of returning an error code. If you want to
> handle the error, enclose it in a try/except block. But if you just
> want the program to abort with an error message so that you don't get
> silent failure, it will happen automatically if you don't catch the
> exception. So the equivalent Python example looks something like this:
> fh = file("myfile.txt")
>
> If the file doesn't exist, and you don't catch the exception, you get
> something like this:
> $ ./foo.py
> Traceback (most recent call last):
> File "./foo.py", line 3, in ?
> fh = file("myfile.txt")
> IOError: [Errno 2] No such file or directory: 'myfile.txt'
>
> /Dan
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