Re: [Python-Dev] PEP 380 ("yield from") is now Final

2012-01-14 Thread Chris Withers 

Finally, a reason to use Python 3 ;-)

Chris

On 13/01/2012 16:00, Guido van Rossum wrote:

AWESOME!!!

On Fri, Jan 13, 2012 at 4:14 AM, Nick Coghlan mailto:ncogh...@gmail.com>> wrote:

I marked PEP 380 as Final this evening, after pushing the tested and
documented implementation to hg.python.org :
http://hg.python.org/cpython/rev/d64ac9ab4cd0

As the list of names in the NEWS and What's New entries suggests, it
was quite a collaborative effort to get this one over the line, and
that's without even listing all the people that offered helpful
suggestions and comments along the way :)

print("\n".join(list((lambda:(yield from ("Cheers,", "Nick")))(

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

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Re: [Python-Dev] PEP 380 ("yield from") is now Final

2012-01-13 Thread Terry Reedy 

On 1/13/2012 7:14 AM, Nick Coghlan wrote:

print("\n".join(list((lambda:(yield from ("Cheers,", "Nick")))(


I pulled, rebuilt, and it indeed works (on Win 7).

I just remembered that Tim Peters somewhere (generator.c?) left a large 
comment with examples of recursive generators, such as knight's tours. 
Could these be rewritten with (and benefit from) 'yield from'? (It 
occurs to me his stuff might be worth exposing in an iterator/generator 
how-to.)


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Terry Jan Reedy

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Re: [Python-Dev] PEP 380 ("yield from") is now Final

2012-01-13 Thread Antoine Pitrou 
On Fri, 13 Jan 2012 22:14:43 +1000
Nick Coghlan  wrote:
> I marked PEP 380 as Final this evening, after pushing the tested and
> documented implementation to hg.python.org:
> http://hg.python.org/cpython/rev/d64ac9ab4cd0

I don't know if this is supposed to work, but the exception looks wrong:

>>> def g(): yield from ()
... 
>>> f = list(g())
Traceback (most recent call last):
  File "", line 1, in 
  File "", line 1, in g
SystemError: error return without exception set


Also, the checkin lacked a bytecode magic number bump. It is not really
a problem since I've just bumped it anyway.

Regards

Antoine.


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Re: [Python-Dev] PEP 380 ("yield from") is now Final

2012-01-13 Thread Guido van Rossum 
AWESOME!!!

On Fri, Jan 13, 2012 at 4:14 AM, Nick Coghlan  wrote:

> I marked PEP 380 as Final this evening, after pushing the tested and
> documented implementation to hg.python.org:
> http://hg.python.org/cpython/rev/d64ac9ab4cd0
>
> As the list of names in the NEWS and What's New entries suggests, it
> was quite a collaborative effort to get this one over the line, and
> that's without even listing all the people that offered helpful
> suggestions and comments along the way :)
>
> print("\n".join(list((lambda:(yield from ("Cheers,", "Nick")))(


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Re: [Python-Dev] PEP 380 ("yield from") is now Final

2012-01-13 Thread Matt Joiner 
Great work Nick, I've been looking forward to this one. Thanks all for
putting the effort in.

On Fri, Jan 13, 2012 at 11:14 PM, Nick Coghlan  wrote:
> I marked PEP 380 as Final this evening, after pushing the tested and
> documented implementation to hg.python.org:
> http://hg.python.org/cpython/rev/d64ac9ab4cd0
>
> As the list of names in the NEWS and What's New entries suggests, it
> was quite a collaborative effort to get this one over the line, and
> that's without even listing all the people that offered helpful
> suggestions and comments along the way :)
>
> print("\n".join(list((lambda:(yield from ("Cheers,", "Nick")))(
>
> --
> Nick Coghlan   |   ncogh...@gmail.com   |   Brisbane, Australia
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[Python-Dev] PEP 380 ("yield from") is now Final

2012-01-13 Thread Nick Coghlan 
I marked PEP 380 as Final this evening, after pushing the tested and
documented implementation to hg.python.org:
http://hg.python.org/cpython/rev/d64ac9ab4cd0

As the list of names in the NEWS and What's New entries suggests, it
was quite a collaborative effort to get this one over the line, and
that's without even listing all the people that offered helpful
suggestions and comments along the way :)

print("\n".join(list((lambda:(yield from ("Cheers,", "Nick")))(

-- 
Nick Coghlan   |   ncogh...@gmail.com   |   Brisbane, Australia
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