lock decorator

lock.py

#-*- coding:utf-8 -*-

try:
    import threading
except ImportError:
    import dummy_threading as threading


LOCK_OBJECT = threading.RLock()


def lock(lock=LOCK_OBJECT):

    def decorator(f):

        def call(*args, **argd):

            with lock:
                return f(*args, **argd)

        return call

    return decorator


@lock()
def synchronized():
    return 10


print synchronized()