support use_cloudpickle in addition to use_dill

IPython/parallel/client/view.py

@@ -519,6 +519,12 b' class DirectView(View):'
         pickleutil.use_dill()
         return self.apply(pickleutil.use_dill)
 
+    def use_cloudpickle(self):
+        """Expand serialization support with cloudpickle.
+        """
+        pickleutil.use_cloudpickle()
+        return self.apply(pickleutil.use_cloudpickle)
+
 
     @sync_results
     @save_ids

IPython/utils/pickleutil.py

@@ -68,6 +68,26 b' def use_dill():'
     # disable special function handling, let dill take care of it
     can_map.pop(FunctionType, None)
 
+def use_cloudpickle():
+    """use cloudpickle to expand serialization support
+    
+    adds support for object methods and closures to serialization.
+    """
+    from cloud.serialization import cloudpickle
+    
+    global pickle
+    pickle = cloudpickle
+
+    try:
+        from IPython.kernel.zmq import serialize
+    except ImportError:
+        pass
+    else:
+        serialize.pickle = cloudpickle
+    
+    # disable special function handling, let cloudpickle take care of it
+    can_map.pop(FunctionType, None)
+
 
 #-------------------------------------------------------------------------------
 # Classes