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Twisted




  @alepoletto
Twisted and Metal?




       @alepoletto
Fist things first




       @alepoletto
@alepoletto
synchronous




    @alepoletto
WTF




@alepoletto
Lets Compare again With
        Blocks




          @alepoletto
And the winner is...




        @alepoletto
Asynchronous
Asynchronous is good when:
-There is a lot of tasks to perform.
-The tasks perform lots of I/O.
-Independent tasks.

….PERFECT FOR NETWORK!!!




                               @alepoletto
But HOW




  @alepoletto
Reactor Pattern




      @alepoletto
Reactor Impl?

team = ["superman", "batman", "aquaman"]
while team : #event loop
    t = selectAvailableHero(team) # this method gives a hero when one is available
                                         # BLOCK here while wait for a hero

     doHeroStuff(t)




                                          @alepoletto
Let me show you a kick ass
 Reactor Implementation




           @alepoletto
@alepoletto
Some Code...A Hero Server




           @alepoletto
A Hero Client




     @alepoletto
References
• http://krondo.com/?page_id=1327
• http://twistedmatrix.com/trac/




                       @alepoletto
@alepoletto

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