def take_picture_stream(self, nb_ss):
my_stream = io.BytesIO()
self.camera.framerate = float(
(float(101) - (float(nb_ss) / float(100))) / float(100))
self.camera.shutter_speed = 1000 * nb_ss
Console.Write("[{0}] Taking Picture ! setting={1}, ss={2}: ",
datetime.today().strftime("%Y-%m-%d %H:%M:%S"), nb_ss,
self.camera.shutter_speed)
self.camera.capture(my_stream, 'jpeg')
my_stream.seek(0)
return my_stream
