[Python-Dev] PEP 409 update [was: PEP 409 (original) (raw)

Guido van Rossum guido at python.org
Fri Feb 3 19:20:31 CET 2012

On Fri, Feb 3, 2012 at 9:29 AM, Barry Warsaw <barry at python.org> wrote:

On Feb 03, 2012, at 08:52 AM, Ethan Furman wrote:

Not sure I'll ever use it this way, but:

try: try: raise IndexError() except: raise CustomError() from None except CustomError as e: # nevermind, let's see the whole thing after all raise e from Ellipsis In that context, I have to say that the last line, even if it were written  raise e from ... is certainly cute, but not very informative.

Please. Let's stop this. There is no known use case to ever write that. We're just not putting specific measures to prevent it. Writing

a = ...

Is likewise cute but not very informative. But it is valid syntax.

-- --Guido van Rossum (python.org/~guido)

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