[Tutor] IOError exception handling

[lumbricus@gmx.net]

> On 28/7/02, Danny Yoo wrote:
> "Sean 'Shaleh' Perry" <shalehperry@attbi.com> wrote

[ snip ]

> Many thanks.  Betwixt the two of you, I've now got:
> 
> def errortest():
>     try:
>         fd = open(filename)
>         text = fd.readlines()
>         return len(text)
>     except IOError, e:
>         if e[0] == 2: return 0  # file not found
>         print e                 # any other error
>         sys.exit(1)
> 
> Which works when I force errors of several types.  Do I need the
> sys.exit(1), and is 1 a reasonable generic number?  I've seen it in
> several examples, and since I'm still partly in monkey-see, monkey-do
> mode, I stuck it in even though it superficially works without it. :-)

How is that:

print errno.errorcode[e]
sys.exit(errno)

HTH, HAND
J"o!

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