Running a python program with continuous output. I want to send the output to a webpage using flask. how can i do that? [duplicate]

Question

import Leap, sys, thread, time
from Leap import CircleGesture, KeyTapGesture, ScreenTapGesture, SwipeGesture
from flask import Flask
class LeapMotionListener(Leap.Listener):
finger_names = ['Thumb', 'Index', 'Middle', 'Ring', 'Pinky']
bone_names = ['Metacarpal','Proximal','Intermediate', 'Distal']
state_names = ['STATE_INVALID', 'STATE_START','STATE_UPDATE','STATE_END']

def on_init(self, controller):
    print "Initialized"

def on_connect(self, controller):
    print "Motion Sensor Connected!"

    controller.enable_gesture(Leap.Gesture.TYPE_CIRCLE);
    controller.enable_gesture(Leap.Gesture.TYPE_KEY_TAP);
    controller.enable_gesture(Leap.Gesture.TYPE_SCREEN_TAP);
    controller.enable_gesture(Leap.Gesture.TYPE_SWIPE);

def on_disconnect(self, controller):
    print "Motion Sensor Disconnected"

def on_exit(self, controller):
    print "Existed"

 def on_frame(self, controller):
    frame = controller.frame()

    #print " Number of Hands: " + str(len(frame.hands))
    hand = str(len(frame.hands))
    print hand
    return hand
def main():
   listener = LeapMotionListener()
   controller = Leap.Controller()
   controller.add_listener(listener)

print "Press enter to quit"
try:
    sys.stdin.readline()

except KeyboardInterrupt:
    pass
finally:
    controller.remove_listener(listener)

  if __name__ == "__main__":
  main()

The output is: 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 111111 0 0 0 0 0 0 0 0 0 0 0 goes on until I terminate the program.

I want this output to be sent to webpage using flask. how can i do it?

NOTE: The above is a leapmotion hand detection program. the above program runs only with python 32bit and having leapmotion sdk

Could you also supply the code for your Flask application. You imported that but didn't create a Flask app, yet. Do you plan to continuously send your output to the webpage or event-driven? — MrLeeh
– MrLeeh, Commented Nov 29, 2016 at 10:43

Stephane Martin · Accepted Answer · 2016-11-29 10:14:58Z

1

Write your program so that the continuous output is the result of a generator, then give the generator to a flask Response.

ref: http://flask.pocoo.org/docs/0.11/patterns/streaming/

answered Nov 29, 2016 at 10:14

Stephane Martin

1,6521 gold badge19 silver badges26 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

Running a python program with continuous output. I want to send the output to a webpage using flask. how can i do that? [duplicate]

1 Answer 1

Comments

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Linked

Related