[Python-ideas] Thoughts on the future of concurrency in Python: PEP 3148

Guido van Rossum guido at python.org
Mon Mar 18 19:38:59 CET 2013

That is not at all what I said. "With great respect" is apparently a
passive-aggressive way to start an unfair criticism.

On Sun, Mar 17, 2013 at 2:20 PM, Rob Cliffe <rob.cliffe at btinternet.com> wrote:
> On 17/03/2013 21:06, Guido van Rossum wrote:
>> I actually want to de-emphasize the fact that Futures hold callbacks. I
>> want people to think them as magic "wait points" that combine with "yield
>> from" to return a pseudo-synchronous result. In fact, I want to altogether
>> de-emphasize that async I/O is done under the hood using callbacks. Only
>> implementers of async frameworks should need to know that, for the most
>> part.
> Hm, as someone who's had to get to grips with Twisted, I find it frustrating
> and disorientating when I don't know how things work.  I find that
> understanding what goes on under the hood is both helpful and reassuring.
> With great respect, Guido, something on the lines of [I exaggerate to make
> the point clear, no offence intended] "The average application programmer
> needn't trouble his pretty little head about this" feels a bit patronising.
> Rob Cliffe
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--Guido van Rossum (python.org/~guido)

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