Re: [Python-3000] Is this a bug with list comprehensions or not?

2008-07-13 Thread Antoine Pitrou
Greg Ewing canterbury.ac.nz> writes: > > This seems like a lot of trouble to go to in order to > fix a rather obscure problem. Is it really a serious > enough problem in practice? Anyone have any real-life > stories about this? Agreed. I think it is ok for some behaviours to be unspecified and s

Re: [Python-3000] Is this a bug with list comprehensions or not?

2008-07-13 Thread Nick Coghlan
Antoine Pitrou wrote: Solving the problem at hand would require carefully flagging StopIteration exceptions to know whether they were raised in an iterator implementation context or not, or even downright forbidding raising them in a non-iterator implementation context. It's a lot of complication

[Python-3000] PEP 3134 exception reporting

2008-07-13 Thread Antoine Pitrou
I would like to say that the patch is ready for review here: http://codereview.appspot.com/2448 And the corresponding issue: http://bugs.python.org/issue3112 It's probably a bit short for inclusion in beta2, although it would be nice to exercise it in the wild before it's too late... Right now w