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[Python-Dev] (try-except) conditional expression similar to (if-else) conditional (PEP 308)

From: Russell E. Owen <row...@uw.edu>
Thu, 06 Aug 2009 12:55:10 -0700
In article <D28975E8-6706-4515-9C9E-FB7F90775CA5 at masklinn.net>,
 Xavier Morel <catch-all at masklinn.net> wrote:

> On 6 Aug 2009, at 00:22 , Jeff McAninch wrote:> > I'm new to this list, so please excuse me if this topic has been  > > discussed, but I didn't> > see anything similar in the archives.> >> > I very often want something like a try-except conditional expression  > > similar> > to the if-else conditional.> I fear this idea is soon going to extend to all compound statements  > one by one.> > Wouldn't it be smarter to fix the issue once and for all by looking  > into making Python's compound statements (or even all statements  > without restrictions) expressions that can return values in the first  > place? Now I don't know if it's actually possible, but if it is the  > problem becomes solved not just for try:except: (and twice so for  > if:else:) but also for while:, for: (though that one's already served  > pretty well by comprehensions) and with:.

I like this idea a lot.

-- Russell

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