Merge d865dec into 713226c

concert/base.py

@@ -9,6 +9,7 @@
 from concert.helpers import memoize
 from concert.async import async, wait, busy_wait
 from concert.quantities import q
+from concert.async import dispatcher
 
 
 LOG = logging.getLogger(__name__)
@@ -315,6 +316,7 @@ def __set__(self, instance, value):
             msg = "set {}::{}='{}'"
             name = instance.__class__.__name__
             LOG.info(msg.format(name, self.name, value))
+            dispatcher.send(instance, "value_changed")
         except KeyboardInterrupt:
             cancel_name = '_cancel_' + self.name
             if hasattr(instance, cancel_name):

concert/devices/shutters/base.py

@@ -2,6 +2,7 @@
 from concert.base import check, State, AccessorNotImplementedError
 from concert.async import async
 from concert.devices.base import Device
+from concert.async import dispatcher
 
 
 class Shutter(Device):
@@ -20,6 +21,7 @@ def open(self):
 
         Open the shutter."""
         self._open()
+        dispatcher.send(self, "state_changed")
 
     @async
     @check(source='open', target='closed')
@@ -28,6 +30,7 @@ def close(self):
 
         Close the shutter."""
         self._close()
+        dispatcher.send(self, "state_changed")
 
     def _open(self):
         raise AccessorNotImplementedError