Update demo scripts

Author: takluyver

examples/demo.py

@@ -3,9 +3,10 @@
 krb_client = Client("tcp://localhost:4545")
 
 for i in range(10):
-    data = krb_client.next()
+    data, metadata = krb_client.next()
+    print("Client : received train ID {}".format(
+        metadata['SPB_DET_AGIPD1M-1/DET/detector']['timestamp.tid']))
     det_data = data['SPB_DET_AGIPD1M-1/DET/detector']
-    print("Client : received train ID {}".format(det_data['header.trainId']))
     print("Client : - detector image shape is {}, {} Mbytes".format(
         det_data['image.data'].shape, det_data['image.data'].nbytes/1024**2))
 

examples/demo.sh

@@ -1,14 +1,15 @@
+#!/usr/bin/env bash
 # Start simulated experiment, which offers data as the KaraboBridge
 # would be during the experiment:
 echo "demo.sh: starting (simulated) server"
-python -c "from karabo_bridge import server_sim; server_sim(4545)" &
+karabo-bridge-server-sim 4545 &
 SIMULATION_PID=$!
 
 # Start client to read 10 trains
 echo "demo.sh: starting client"
-python demo.py
+python3 demo.py
 
 
 # shutting down simulated experiment
-echo "demo.sh: killing simulated KaraboBridge"
+echo "demo.sh: killing simulated Karabo Bridge"
 kill $SIMULATION_PID