Guido van Rossum <[EMAIL PROTECTED]> writes: > Apologies if this has been discovered and rejected already; I've had > to skip most of the discussions but this though won't leave my head... > > So PEP 310 proposes this: > > with VAR = EXPR: > BLOCK > > translated to > > VAR = EXPR\ > if hasattr(VAR, "__enter__"): > VAR.__enter__() > try: > BLOCK > finally: > VAR.__exit__() > > This equates VAR with the value of EXPR. It has a problem: what if > inside BLOCK an assignment to VAR is made -- does this affect the > finally clause or not? I think that the finally clause should use an > internal variable that isn't affected by assignments to VAR.
Uh, if that's not clear from the PEP (and I haven't looked) it's an oversight. VAR is optional in PEP 310, after all. Cheers, mwh -- There's an aura of unholy black magic about CLISP. It works, but I have no idea how it does it. I suspect there's a goat involved somewhere. -- Johann Hibschman, comp.lang.scheme _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
