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import time
import tango
class EventManager:
def __init__(self, dp):
self._deviceProxy = dp
if dp is not None:
print("Subscribed to Interface Change Events")
self._event_id = dp.subscribe_event(
tango.EventType.INTERFACE_CHANGE_EVENT, self
)
def unsubscribe(self):
self._deviceProxy.unsubscribe_event(self._event_id)
def push_event(self, ev):
print("Event -----push_event-----------------")
print("Timestamp: ", ev.reception_date)
print("Event type: ", ev.event)
print("Device server: ", ev.device)
print("Event error: ", ev.err)
if ev.err:
print("Caught pipe exception")
err = ev.errors[0]
print("Error desc: ", err.desc)
print("Error origin: ", err.origin)
print("Error reason: ", err.reason)
print("Error severity: ", err.severity)
else:
if ev.cmd_list is not None:
print("Number of commands ", len(ev.cmd_list))
for i in range(len(ev.cmd_list)):
cmdInfo = ev.cmd_list[i]
print("cmd -----> ", cmdInfo.cmd_name)
else:
print("Number of commands 0")
if ev.att_list is not None:
print("Number of attributes ", len(ev.att_list))
for i in range(len(ev.att_list)):
attInfo = ev.att_list[i]
print("att -----> ", attInfo.name)
else:
print("Number of attributes 0")
print("Device started ", ev.dev_started)
def main():
dev = tango.DeviceProxy("ifchangeServer/tango/1")
EventManager(dev)
time.sleep(3000.0)
if __name__ == "__main__":
main()
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