[Python-Dev] should list's call to len swallow SystemExit? (original) (raw)

Karen Tracey kmtracey at gmail.com
Wed Jan 14 13:11:04 CET 2009

On Wed, Jan 14, 2009 at 6:12 AM, Nick Coghlan <ncoghlan at gmail.com> wrote:

Dino Viehland wrote: > We had a bug reported that effectively boils down to we're not > swallowing exceptions when list calls len > ( http://www.codeplex.com/WorkItem/View.aspx?ProjectName=IronPython&WorkItemId=20598 ). > > > We can obviously make the change to catch exceptions here in > IronPython even if it seems like a bad idea to me ☺ But CPython > seems to catch not only normal exceptions, but also SystemExit. It > seems like there's been a move away from this so I thought I'd > mention it here. I tested it on 2.6.1 and 3.0.

I'd agree that CPython appears to be the one misbehaving here, rather than IronPython. Opening a new issue at bugs.python.org would be the best way forward.

There is already a bug for this, I believe:

http://bugs.python.org/issue1242657

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