def detect_faces_target(input_queue, output_queue, arguments):
while True:
frame = interruptible_get(input_queue)
if frame == "":
break
try:
for rectangle in FaceDetector.for_image(frame.image).detect_faces():
frame = Frame(frame.id, frame.image.draw_rectangle(rectangle, Color(255, 0, 0)))
output_queue.put(frame, block = True)
except:
traceback.print_exc(file=sys.stdout)
def detect_face(image):
faces = FaceDetector.for_image(image).detect_faces()
face = None if len(faces) == 0 else faces[0]
return face
