[Python-Dev] Simpler finalization semantics (was Re: PEP 343 - Abstract Block Redux)

[Guido van Rossum]

And we're back at PEP 310 and you can't really write opening() as a generator.

On 5/17/05, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> Nick Coghlan wrote:
> 
> >    the_stmt = EXPR1
> >    stmt_enter = getattr(the_stmt, "__enter__", None)
> >    stmt_exit = getattr(the_stmt, "__exit__", None)
> >
> >    if stmt_enter is None:
> >        VAR1 = the_stmt
> >    else:
> >        VAR1 = stmt_enter()
> 
> If we're doing this, it might be better if VAR were simply
> bound to EXPR in all cases. Otherwise the ability to liberally
> sprinkle with-statements around will be hampered by uncertainty
> about what kind of object VAR will end up being.
> 
> Greg
> 
> 
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)