[Python-ideas] "try with" syntactic sugar

Daniel Stutzbach daniel at stutzbachenterprises.com
Fri Feb 27 03:00:59 CET 2009

On Thu, Feb 26, 2009 at 7:28 PM, Bruce Frederiksen <dangyogi at gmail.com>wrote:

> How about this?

I tried it, but it matches quite a few comments and strings.  Try putting a
"print repr(match.group(0))" in the innermost loop to debug it.

> On my last response, I mentioned a suggestion to add __throw__ to context
> managers.  But then I remembered that the __exit__ method is already given
> the exception information if an exception is raised.  So you can already do
> what I was suggesting now.
> I'm still curious as to how often you could share try/except cases by
> writing your own context managers.

Not particularly often.  Much of the time, the exception handler has to
clean up the mess when a file is unexpectedly unreadable or SQL explodes,
and the clean-up bit is tied to the immediately surrounding code. YMMV.

Daniel Stutzbach, Ph.D.
President, Stutzbach Enterprises, LLC <http://stutzbachenterprises.com>
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