For review: PEP 343: Anonymous Block Redux and Generator Enhancements - comp.lang.python

Message from discussion For review: PEP 343: Anonymous Block Redux and Generator Enhancements

Nicolas Fleury

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More options Jun 3 2005, 3:26 pm

Newsgroups: comp.lang.python

From: Nicolas Fleury <nid_o...@yahoo.com_remove_the_>

Date: Fri, 03 Jun 2005 15:26:54 -0400

Local: Fri, Jun 3 2005 3:26 pm

Subject: Re: For review: PEP 343: Anonymous Block Redux and Generator Enhancements

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Guido van Rossum wrote:
> After many rounds of discussion on python-dev, I'm inviting public
> comments for PEP 343. Rather than posting the entire PEP text here,
> I'm inviting everyone to read it on line
> (http://www.python.org/peps/pep-0343.html) and then post comments on a
> Wiki page I've created for this purpose
> (http://wiki.python.org/moin/WithStatement).

> I think this is a good one; I hope people agree. Its acceptance will
> obsolete about 4 other PEPs! (A sign that it fulfills a need and that
> the proposed solution is powerful.)

I like the PEP very much; I guess most C++ programmers are missing that
capability in Python. (I was following the discussion on python-dev,
and I'm pleased and surprised how good the result/compromise is).

What about making the ':' optional (and end implicitly at end of current
block) to avoid over-indentation?

def foo():
with locking(someMutex)
with opening(readFilename) as input
with opening(writeFilename) as output
...

would be equivalent to:

def foo():
with locking(someMutex)
with opening(readFilename) as input
with opening(writeFilename) as output
...

Regards,

Nicolas

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