[Twisted-Python] Event queue in the Python std lib

Bob Ippolito bob at redivi.com
Fri Jul 1 16:26:20 EDT 2005


On Jul 1, 2005, at 9:39 AM, Antoine Pitrou wrote:

>> IMHO the point here is the trivial functionality.  As far as I can  
>> tell
>> from the few examples of event-driven applications that I use which I
>> didn't write :-), there is a progression that many event-driven  
>> Python
>> programs go through these days:
>>
>>     - Implement something with asyncore
>>     - realize asyncore's deficiencies, start enhancing it
>>     - discover Twisted, re-implement networking code (from scratch)
>>
>> If the event loop in Python provided similar interfaces to the one in
>> Twisted, the amount of work involved in stage 3 could be greatly  
>> reduced.
>>
>
> As a humble lurker on this list, I just wanna say that this argument
> rings a bell. I had to rewrite a P2P program which had chosen to
> implement its own event loop instead of using Twisted... ;)

I did this once too, s/P2P program/XML Socket Server/

It turned out that doing one in Twisted was so easy, that I never  
bothered to package another one again.  Everything else I had in  
there was more or less YAGNI because Twisted already did it, or made  
implementing the features so trivial as it wasn't worth including  
it.  These days I just whip up app-specific LineReceivers with a '\0'  
delimiter that parse/generate with ElementTree.. takes like 5 minutes.

-bob





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