[Python-ideas] channel (synchronous queue)

[Matt Joiner]

I've created http://bugs.python.org/issue14060 for the possibility of
a channel implementation.

On Mon, Feb 20, 2012 at 1:44 AM, Guido van Rossum <guido at python.org> wrote:
> On Sun, Feb 19, 2012 at 9:36 AM, Sturla Molden <sturla at molden.no> wrote:
>> Den 19.02.2012 18:27, skrev Sturla Molden:
>>
>>> Den 19.02.2012 18:18, skrev Antoine Pitrou:
>>>>
>>>> This begs the question: what does it achieve? You know that the data has
>>>> been "received" on the other side (i.e. get() has been called), but this
>>>> doesn't tell you anything was done with the data, so: why is this an useful
>>>> way to synchronize?
>>>
>>>
>>> I think it achieves nothing, except making deadlocks more likely.
>>
>>
>> Which is to say, I just wanted to prove how ridiculously simple Matt
>> Joiner's complaint about a "channel" was.
>
> I may be taking this out of context, but I have a really hard time
> understanding what you were trying to say. What does it mean for a
> complaint to be simple? Did you leave out a word in haste? (I know
> that happens a lot to me. :-)
>
>> The multiprocessing barrier on the other hand is quite useful. (Though the
>> butterfly method is not the most efficient implementation of a barrier.)
>
> Glad to see some real code. It's probably time to move the code
> samples to the bug tracker where they can be reviewed and have a
> chance of getting incorporated into the next release.
>
> --
> --Guido van Rossum (python.org/~guido)
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