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Date: Sun, 17 Jul 2011 09:28:40 +1000
From: Cameron Simpson <cs@zip.com.au>
To: Steven D'Aprano <steve+comp.lang.python@pearwood.info>
Subject: Re: Possible File iteration bug
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On 16Jul2011 13:42, Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote:
| Billy Mays wrote:
| > I was thinking that a convenient solution to this problem would be to
| > introduce a new Exception call PauseIteration, which would signal to the
| > caller that there is no more data for now, but not to close down the
| > generator entirely.
| 
| It never fails to amuse me how often people consider it "convenient" to add
| new built-in functionality to Python to solve every little issue. As
| pie-in-the-sky wishful-thinking, it can be fun, but people often mean it to
| be taken seriously.
| 
| Okay, we've come up with the solution of a new exception, PauseIteration,
| that the iterator protocol will recognise.

One might suggest that Billy could wrp his generator in a Queue(1) and
use the .empty() test, and/or raise his own PauseIteration from the
wrapper.
-- 
Cameron Simpson <cs@zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

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