Try out monitoring

example.py

@@ -1,5 +1,6 @@
 import wideq
 import json
+import time
 
 STATE_FILE = 'wideq_state.json'
 
@@ -101,6 +102,15 @@ def example():
 
     print_devices(devices)
 
+    # For fun, try monitoring the first device
+    first_device_id = devices[0]['deviceId']
+    with wideq.Monitor(session, first_device_id) as mon:
+        for i in range(4):
+            time.sleep(1)
+            print('Polling...')
+            res = mon.poll()
+            print(res)
+
 
 if __name__ == '__main__':
     example()

wideq.py

@@ -201,14 +201,42 @@ class Session(object):
         })
         return work_id
 
-    def monitor_get(self, work_ids):
+    def monitor_poll(self, work_ids):
         """Get the results of monitoring tasks.
 
         `work_ids` is a mapping from device IDs to work IDs. Return a
-        mapping from device IDs to status results.
+        mapping from work IDs to status results.
         """
 
         work_list = [{'deviceId': k, 'workId': v}
                      for k, v in work_ids.items()]
         out = self.post('rti/rtiResult', {'workList': work_list})['workList']
-        return {d['deviceId']: d for d in out}
+        return {d['workId']: d for d in out}
+
+    def monitor_stop(self, work_id):
+        """Stop monitoring a device."""
+
+        self.post('rti/rtiMon', {
+            'cmd': 'Mon',
+            'cmdOpt': 'Stop',
+            'workId': work_id,
+        })
+
+
+class Monitor(object):
+    """A monitoring task for a single device."""
+
+    def __init__(self, session, device_id):
+        self.session = session
+        self.device_id = device_id
+
+    def __enter__(self):
+        self.work_id = self.session.monitor_start(self.device_id)
+        return self
+
+    def poll(self):
+        data = self.session.monitor_poll({self.device_id: self.work_id})
+        return data[self.work_id]
+
+    def __exit__(self, type, value, tb):
+        self.session.monitor_stop(self.work_id)