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Date: Wed, 27 Jun 2012 07:36:09 +1000
Subject: Re: exception problem
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:24485

(You posted privately to me again; I hope you don't mind my responding
on-list as this appears to have been merely oversight.)

On Wed, Jun 27, 2012 at 5:25 AM, Charles Hixson
<charleshixsn@earthlink.net> wrote:
> Only thing is, this whole mess started when I was trying to trace down an=
d
> expected error. =A0(Which turned out to be "self.chunkLine(..." where sel=
f
> wasn't defined.) =A0It was running without ANY error being displayed. =A0=
Though
> as I look an outer loop is inclosed in a try:except:finally: =A0It still =
has
> an unlabelled except, because I don't remember what exception is thrown w=
hen
> a file reads an unintelligible character =A0(i.e., it isn't really a utf-=
8
> file). =A0Currently I've fixed all the files so that they're either utf-8=
 or
> just ASCII, so currently it isn't getting triggered, but it's still there=
.
> =A0So that's probably the explanation. =A0I think I'll fix that now. =A0(=
I can, I
> guess, assume that any exception will be caught by except BasicException:=
)

That's the problem, your blanket try/except. Don't do it! It blinds
you. Same goes for catching Exception or BaseException. Catch what you
really need to catch, and reserve catch-all statements for special
cases where you don't have access to the console.

ChrisA