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import functools
from threading import Lock
import gtk
class repeat(object):
def __init__(self, f):
self.f = f
self.id = None
self.lock = Lock()
def __call__(self, cls):
self.f(cls)
def start(self, cls, frequency):
self.lock.acquire()
if not self.id:
@functools.wraps(self.f)
def run():
self.f(cls)
return True
self.id = gtk.timeout_add(frequency, run)
self.lock.release()
def stop(self):
self.lock.acquire()
if self.id:
gtk.timeout_remove(self.id)
self.id = None
self.lock.release()
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