Trellis: tasks and discrete sensors

This test shows that @task rules never get to see discrete values. It
prints 'waiting' twice, so they are triggered, but sensor value is
None both times.

from peak.events.trellis import *
from peak.events.activity import *

class C(Component):
    sensor = None
    @task
    def wait(self):
        while not self.sensor.value:
            print 'waiting'
            yield Pause
        print 'got it!'

cell = Sensor(AbstractConnector(), discrete=True)
c = C(sensor=cell)
EventLoop.call(cell.receive, True)
EventLoop.run()



-- 
Best Regards,
Sergey Schetinin

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