def write_pickles (self, objs):
        """*objs* must be iterable. Write each of its values to this path in sequence
        using :mod:`cPickle`.

        """
        try:
            import cPickle as pickle
        except ImportError:
            import pickle

        with self.open (mode='wb') as f:
            for obj in objs:
                pickle.dump (obj, f)