supervisorconf + fixes

scan_faces.py

@@ -89,50 +89,54 @@ log = open(logfile, "a")
 lastFaceTime = datetime.datetime.utcnow()
 
 while True:
-	print(time.time(),"GO")
-	start = datetime.datetime.utcnow()
-	stream = io.BytesIO()
-	camera.capture(stream, format='jpeg')
-	print(time.time(),"captured")
-	buff = np.fromstring(stream.getvalue(), dtype=np.uint8)
-	image = cv2.imdecode(buff,1)
-	gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
-	print(time.time(),"grayed")
-	faces = classifier.detectMultiScale(gray, 1.2, 5, minSize=(30,20))
+	try:
+		print(time.time(),"GO")
+		start = datetime.datetime.utcnow()
+		stream = io.BytesIO()
+		camera.capture(stream, format='jpeg')
+		print(time.time(),"captured")
+		buff = np.fromstring(stream.getvalue(), dtype=np.uint8)
+		image = cv2.imdecode(buff,1)
+		gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)
+		print(time.time(),"grayed")
+		faces = classifier.detectMultiScale(gray, 1.2, 5, minSize=(30,20))
 
 		
-	print(time.time(),"Found {} faces".format(len(faces)))
+		print(time.time(),"Found {} faces".format(len(faces)))
 		
-	end = datetime.datetime.utcnow()
-	# take the frame as being representative of whole frame
-	scanDuration = (end - start).total_seconds()
-	totalUse += len(faces) * scanDuration
+		end = datetime.datetime.utcnow()
+		# take the frame as being representative of whole frame
+		scanDuration = (end - start).total_seconds()
+		totalUse += len(faces) * scanDuration
 		
-	lcd.clear()
-	#~ lcd.message("viewers {:>8}\nview-min. {:>7.2f}".format(len(faces), totalUse/60))
-	lcd.message("{:>7} viewers \n{:>7}view-sec".format(len(faces), si_format(totalUse,precision=1)))
+		lcd.clear()
+		#~ lcd.message("viewers {:>8}\nview-min. {:>7.2f}".format(len(faces), totalUse/60))
+		lcd.message("{:>7} viewers \n{:>7}view-sec".format(len(faces), si_format(totalUse,precision=1)))
 
-	log.write("{},{},{}\n".format(time.time(), len(faces), int(totalUse)))
-	log.flush()
-
-	content = urllib2.urlopen("https://artstats.rubenvandeven.com/artwork1/views.php?time=%d&count=%d&total=%d" % (int(time.time()), len(faces), int(totalUse)) ).read()
-
-	os.fsync(log.fileno()) 
-
-	if len(faces) < 1 and end - lastFaceTime > dimTimeDelta:
-		lcd.set_backlight(0)
-	else:
-		lcd.set_backlight(1)
-	
-	if len(faces) > 0:
-		lastFaceTime = end
-		
-	#~ if end - start < frameTimeDelta:
-		
-		#~ waitTime = frameTimeDelta - (end-start)
-		#~ print("wait {}".waitTime.total_seconds())
-		#~ time.sleep(waitTime.total_seconds())
+		log.write("{},{},{}\n".format(time.time(), len(faces), int(totalUse)))
+		log.flush()
+		os.fsync(log.fileno()) 
 		
 
 
+		if len(faces) < 1 and end - lastFaceTime > dimTimeDelta:
+			lcd.set_backlight(0)
+		else:
+			lcd.set_backlight(1)
+		
+		if len(faces) > 0:
+			lastFaceTime = end
+			
+		
+		content = urllib2.urlopen("https://artstats.rubenvandeven.com/artwork1/views.php?time=%d&count=%d&total=%d" % (int(time.time()), len(faces), int(totalUse)) ).read()
+			
+		#~ if end - start < frameTimeDelta:
+			
+			#~ waitTime = frameTimeDelta - (end-start)
+			#~ print("wait {}".waitTime.total_seconds())
+			#~ time.sleep(waitTime.total_seconds())
+	except Exception as e:
+		print e
+			
+		
 

supervisord.conf

@@ -0,0 +1,5 @@
+[program:scan_faces]
+directory=/home/pi/scan_faces
+command=/usr/bin/python /home/pi/scan_faces/scan_faces.py
+user=pi
+autorestart=true