Some fixes for python 3; use ev3dev rather than ev3 as it's being maintained;...

Some fixes for python 3; use ev3dev rather than ev3 as it's being maintained; partially fix motor command (at least the motor moves).

listen.py

-import SimpleHTTPServer
-import SocketServer
+from http.server import BaseHTTPRequestHandler, HTTPServer
+import socketserver
 import socket
 import os
 import sys
-from ev3.lego import MediumMotor
+import ev3dev.ev3 as ev3
 
 if len(sys.argv) != 2:
     print>>sys.stderr,'Syntax: %s <port>' % (sys.argv[0])
     sys.exit(1)
 
-class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler):
+class Handler(BaseHTTPRequestHandler):
 
     color_sensor_mode = None
 
@@ -41,16 +41,17 @@ class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler):
 
     def do_GET(self): 
         parts = self.path[1:].split('/')
-        print parts
+        print (parts)
         if len(parts) == 4 and parts[0] == 'motor':
-            print 'Run %s to %s at speed %s' % (parts[1], parts[2], parts[3])
-            d = MediumMotor(parts[1])
-            d.run_position_limited(int(parts[2]), int(parts[3]), absolute=False)
+            print ('Run %s to %s at speed %s' % (parts[1], parts[2], parts[3]))
+            d = ev3.MediumMotor('out' + parts[1])
+            d.run_timed(time_sp=3000, speed_sp=500)	    
+            #d.run_position_limited(int(parts[2]), int(parts[3]), absolute=False)
             self.respond('OK')
         elif len(parts) == 2 and parts[0] == 'say':
             phrase = parts[1]
             phrase = phrase.replace('%20', ' ')
-            print 'Say %s' % phrase
+            print ('Say %s' % phrase)
             os.system('espeak -a 200 -s 130 -v en-sc --stdout "%s" | aplay' % phrase)
             self.respond('OK')
         elif len(parts) == 2 and parts[0] == 'ir-sensor' and parts[1] == 'proximity':
@@ -73,11 +74,11 @@ class Handler(SimpleHTTPServer.SimpleHTTPRequestHandler):
             f.close()
             self.respond(v)
 
-class TCPServer(SocketServer.TCPServer):
+class TCPServer(socketserver.TCPServer):
     def server_bind(self):
         self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         self.socket.bind(self.server_address)
 
 httpd = TCPServer(("", int(sys.argv[1])), Handler)
-print 'EV3 ready.'
+print ('EV3 ready.')
 httpd.serve_forever()