Python threads and file io

test18.py

import sys
import tty
import Queue
import threading
import time

tty.setcbreak(sys.stdin)


events = Queue.Queue()

def get_input():
    while True:
        print 'before read'
        c = sys.stdin.read(1)
        print 'after read'
        print 'adding event to queue'
        events.put(c)

t = threading.Thread(target=get_input)
t.daemon = True
t.start()

while True:
    p = open('file.txt', 'w')
    event = None
    try:
        event = events.get_nowait()
    except Queue.Empty:
        pass
    time.sleep(.01)
    if event:
        print 'key pressed:', event
    else:
        print '.',
        sys.stdout.flush()