Simple mouse keys script for linux written in python

mouse-keys.py

'''
Keyboard keys codes:
KEY_KP1 - 1
KEY_KP2 - 2
KEY_KP3 - 3
KEY_KP4 - 4
KEY_KP5 - 5
KEY_KP6 - 6
KEY_KP7 - 7
KEY_KP8 - 8
KEY_KP9 - 9
KEY_KP0 - 0
KEY_KPSLASH - /
KEY_KPASTERISK - *
KEY_KPMINUS - -
KEY_KPPLUS - +
KEY_DOWN - down arrow
KEY_LEFT - left arrow
KEY_RIGHT - right arrow
KEY_UP - up arrow
and so on...
'''

from evdev import UInput, AbsInfo, InputDevice, \
    categorize, events, ecodes as e 
from Xlib import display

# Init keyboard
# change '/dev/input/event*' according to your keyboard
dev = InputDevice('/dev/input/event4')
print dev

# Mouse capabilities
# EV_REL mouse relative movements
# EV_KEY mouse buttons
capabilities = {
    e.EV_REL : (e.REL_X, e.REL_Y), 
    e.EV_KEY : (e.BTN_LEFT, e.BTN_RIGHT),
}
# Mouse movement obj
ui = UInput(capabilities)

# change first coordinates 
# to item position in store
script = {
    'KEY_1': ('MOVE', (1435, 239)),
    'KEY_2': 'RCLICK',
    'KEY_3': ('RMOVE', (0, 70)),
    'KEY_4': 'LCLICK',
}


def mousepos():
    data = display.Display().screen().root.query_pointer()._data
    return data["root_x"], data["root_y"]

def movemouse(x, y, relative):
    if relative:
        print "Move mouse relative to: " + str(x) + " " + str(y)
        ui.write(e.EV_REL, e.REL_X, x)
        ui.write(e.EV_REL, e.REL_Y, y)
    else:
        m_pos = mousepos()
        print "Move mouse to: " + str(x) + " " + str(y)
        ui.write(e.EV_REL, e.REL_X, x - m_pos[0])
        ui.write(e.EV_REL, e.REL_Y, y - m_pos[1])
    ui.syn()

def rightclick():
    print "Right mouse click"
    ui.write(e.EV_KEY, e.BTN_RIGHT, 1)
    ui.write(e.EV_KEY, e.BTN_RIGHT, 0)
    ui.syn()

def leftclick():
    print "Left mouse click"
    ui.write(e.EV_KEY, e.BTN_LEFT, 1)
    ui.write(e.EV_KEY, e.BTN_LEFT, 0)
    ui.syn()

def checkkey(key):
    if key in script:
        row = script[key]
        if row == 'RCLICK':
            rightclick()
        elif row == 'LCLICK':
            leftclick()
        elif row[0] == 'RMOVE':
            movemouse(row[1][0], row[1][1], True)
        elif row[0] == 'MOVE':
            movemouse(row[1][0], row[1][1], False)
    else:
        print "Button " + key + " is not defined"

for event in dev.read_loop():
    if event.type == e.EV_KEY:
        if event.value == 1:
            checkkey(e.KEY[event.code])

mouse-position.py

# Prints mouse position every second

from Xlib import display
import time

def mousepos():
    data = display.Display().screen().root.query_pointer()._data
    return data["root_x"], data["root_y"]


while 1:
    print mousepos()
    time.sleep(1)