cursor logger - record cursor position

cursor_logger.py

#!/usr/bin/env python
import os
import time
from Xlib import display

old_x = 0 
old_y = 0 
old_dur = 0 
end_time = 0 
logfile = os.environ['HOME'] + '/.cursor.log'

while True:
    data = display.Display().screen().root.query_pointer()._data
    new_x = data["root_x"]
    new_y = data["root_y"]
    if old_x != new_x or old_y != new_y:
        start_time = time.time()
        dur = start_time - end_time
        if dur > old_dur:
            pass
            with open(logfile, 'a') as outfile:
                outfile.write(':'.join(map(str, [new_x,new_y])) + ',')
        else:
            #print("Mouse Event duration: {}".format(old_dur))
            with open(logfile, 'a') as outfile:
                outfile.write('\n')
    else:
        end_time = time.time()
    old_x = new_x
    old_y = new_y
    old_dur = dur