Gamepad.py

import time
from evdev import *
class Gamepad:
    """docstring for Gamepad"""
    def __init__(self):
        self.mapping = {}
        self.mapping['KEY_A'] = 0
        self.mapping['KEY_W'] = 1
        self.mapping['KEY_D'] = 2
        self.mapping['KEY_X'] = 3
        self.mapping['KEY_H'] = 4
        self.mapping['KEY_U'] = 5
        self.mapping['KEY_K'] = 6
        self.mapping['KEY_M'] = 7
        self.mapping['KEY_Q'] = 8
        self.mapping['KEY_E'] = 9
        self.mapping['KEY_R'] = 10
        self.mapping['KEY_T'] = 11
        self.mapping['KEY_Y'] = 12
        self.mapping['KEY_P'] = 13
        self.mapping['KEY_I'] = 14
        self.mapping['KEY_O'] = 15
        self.state = [
			0xA1,
			0x03,
			[
			0,
			0,
			0,
			0,
			0,
			0,
			0,
			0,
			0,
            0,
            0,
            0,
            0,
            0,0,0
			],
			0x00,
			0x00,0x00,0x00]
        i = 0
        while True:
            try:
		self.dev = InputDevice("/dev/input/event"+str(i))
		if "keyboard" in str(self.dev):
                    break
            except Exception, e:
                print "Keyboard not found."
                break
                i += 1
		print "keyboard found "+str(self.dev)

    def change_state(self, event):
        evdev_code = ecodes.KEY[event.code]
        if self.mapping.has_key(evdev_code):
            if event.value == 1:
                self.state[2][self.mapping[evdev_code]] = 1
            else:
                self.state[2][self.mapping[evdev_code]] = 0

    def event_loop(self,bt):
        for event in self.dev.read_loop():
            if event.type == ecodes.EV_KEY and event.value < 2:
                self.change_state(event)
                print self.state
                bt.sendInput(self.state)