Leap Motion - R Pi Remote Control Hands Edits

Main.java

public class LeapToServo implements Runnable{

    //Define Channel name
    public static final String CHANNEL = "my_channel";
    //Create PubNub instance
    private Pubnub pubnub;
    //Create Leap Controller instance
    private Controller controller;
    //is Runnable running?
    private boolean running;

    //Last value of Left Yaw
    int oldLeftYaw    = 0;
    //Last value of Left Pitch
    int oldLeftPitch  = 0;
    //Last value of Right Yaw
    int oldRightYaw   = 0;
    //Last value of Right Pitch
    int oldRightPitch = 0;

    //Takes in Pubkey and Subkey and sets up PubNub Configuration
    public LeapToServo(String pubKey, String subKey){
        pubnub = new Pubnub(pubKey, subKey);
        pubnub.setUUID("LeapController");
    }
    
    
     /**
     * Implementation of the Runnable interface.
     */
    public void run(){
        for(;;) {
            if (!running) break;
            captureFrame(this.controller);
            try {
                Thread.sleep(50);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
    
    public static void main(String[] args) {
        String pubKey = "pubnub_publish_key";
        String subKey = "pubnub_subscribe_key";

        LeapToServo s = new LeapToServo(pubKey, subKey);
        s.startTracking();
    }
}

main.py

 #Kill PubNub subscription thread
 def _kill(m, n):
    pubnub.unsubscribe(subchannel)
    
 # ==============================Define Main==================================
  def main():
      print("Starting Main")
      pubnub = Pubnub(publish_key   = 'pubnub_publish_key',
                  subscribe_key = 'pubnub_subscribe_key',
                  uuid = "pi")
  
      channel = 'my_channel'                
  
      def _callback(m,n):
          # ==============================Left Hand==============================
          left_hand = m.get("left_hand",{})                                                                                                            
          if left_hand != {}:
              handleLeft(left_hand)
          # ==============================Right Hand=============================
          right_hand = m.get("right_hand",{})
          if right_hand != {}:
              handleRight(right_hand)
          
      #Catch and Print Error
      def _error(m):
          print(m)
              
      #Subscribe to subchannel, set callback function to  _callback and set error fucntion to _error
      pubnub.subscribe(channels=channel, callback=_callback, error=_error, connect=_error)
  
  
  # ==============================Call Main====================================
  main()