synchronized decorator

synchronized.py

from functools import wraps


class synchronized(object):
    """synchronized decorator

    usage:
    
      @synchronized(lock)
      def foo():
          pass
    """
    def __init__(self, lock):
        self.lock = lock

    def __call__(self, func):
        @wraps(func)
        def wrap(*args, **kwargs):
            with self.lock:
                return func(*args, **kwargs)
        return wrap