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Class: IBasicReactor ./src/peak/running/interfaces.py
I/O Scheduler
twisted.internet.reactor or a substitute

Twisted reactors actually do a lot more than this, but this is all we need for basic "running" operations that don't involve support for specialized protocols. This is a simple enough set of operations that we should be able to provide an "unTwisted" implementation.

Base Classes   
Interface
Methods   
addReader
addWriter
callLater
crash
iterate
removeReader
removeWriter
run
stop
  addReader 
addReader ( reader )

Register reader file descriptor to receive doRead() calls

reader must have a fileno() method and a doRead() method.

  addWriter 
addWriter ( writer )

Register writer file descriptor to receive doWrite() calls

writer must have a fileno() method and a doWrite() method.

  callLater 
callLater (
        delay,
        callable,
        *args,
        *kw,
        )

Invoke callable after delay seconds with 'args, *kw'

  crash 
crash ()

Cause run() to exit at the earliest possible moment

  iterate 
iterate ( delay=0 )

Handle scheduled events, then do I/O for up to delay seconds

  removeReader 
removeReader ( reader )

Unregister reader

  removeWriter 
removeWriter ( writer )

Unregister writer

  run 
run ( installSignalHandlers=True )

Loop polling for IO or GUI events and calling scheduled funcs

  stop 
stop ()

Cause run() to exit after pending scheduled calls are finished


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