tests: fix python example

CMakeLists.txt

@@ -134,6 +134,7 @@ add_subdirectory(etc)
 add_subdirectory(lib)
 add_subdirectory(web)
 add_subdirectory(packaging)
+add_subdirectory(python)
 
 if(WITH_SRC)
     add_subdirectory(src)

clients/CMakeLists.txt

@@ -20,6 +20,5 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ###################################################################################
 
-add_subdirectory(python)
 add_subdirectory(opal)
 add_subdirectory(shmem)

clients/python

@@ -1 +0,0 @@
-../python/villas/client/

clients/python/client.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 import villas_pb2
-import time, socket, errno, sys, os, os.path
+import time, socket, errno, sys, os, signal
 
 layer = sys.argv[1] if len(sys.argv) == 2 else 'udp'
 
@@ -44,20 +44,25 @@ print('Ready. Ctrl-C to quit.')
 
 msg = villas_pb2.Message()
 
-while True:
-	try:
-		dgram = skt.recv(1024)
-		if not dgram:
-			break
-		else:
-			msg.ParseFromString(dgram)
-			print(msg)
-			
-			skt.send(msg.SerializeToString())
 
-	except KeyboardInterrupt:
+# Gracefully shutdown
-		print('Shutting down.')
+def sighandler(signum, frame):
+	running = False
+
+signal.signal(signal.SIGINT, sighandler)
+signal.signal(signal.SIGTERM, sighandler)
+
+running = True
+
+while running:
+	dgram = skt.recv(1024)
+	if not dgram:
 		break
+	else:
+		msg.ParseFromString(dgram)
+		print(msg)
+		
+		skt.send(msg.SerializeToString())
 
 skt.close()
 

tests/integration/pipe-python-protobuf.sh

@@ -71,10 +71,10 @@ cat > ${CONFIG_FILE} << EOF
 }
 EOF
 
-export PYTHONPATH=${BUILDDIR}/clients/python
+export PYTHONPATH=${BUILDDIR}/python:${SRCDIR}/python
 
 # Start Python client in background
-python ${SRCDIR}/clients/python/villas.py unix &
+python ${SRCDIR}/clients/python/client.py unix &
 CPID=$!
 
 # Wait for client to be ready
@@ -83,11 +83,13 @@ if [ "${LAYER}" = "unix" ]; then
 		sleep 1
 	done
 fi
+
 sleep 1
 
 villas-pipe -l ${NUM_SAMPLES} ${CONFIG_FILE} py-client > ${OUTPUT_FILE} < ${INPUT_FILE}
 
 kill ${CPID}
+wait ${CPID}
 
 # Compare data
 villas-test-cmp ${CMPFLAGS} ${INPUT_FILE} ${OUTPUT_FILE}