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Fix bug in serializing arguments of tasks that are more complex objects (#72)

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* Give more informative error message when we do not know how to serialize a class.

* Check that passing arguments to remote functions and getting them does not change their values.

* fix serialization bug

* fix tests for common module

* Formatting.

* Bug fix in init_pickle_module signature.

* Use pickle with HIGHEST_PROTOCOL.
This commit is contained in:
Philipp Moritz
2016-11-30 23:21:53 -08:00
committed by Robert Nishihara
parent 1499834be1
commit 58e8bbcb34
6 changed files with 66 additions and 10 deletions
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lib/python/ray/serialization.py
+1 -1
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@@ -91,7 +91,7 @@ def serialize(obj):
"""
class_id = class_identifier(type(obj))
if class_id not in whitelisted_classes:
raise Exception("Ray does not know how to serialize the object {}. To fix this, call 'ray.register_class' on the class of the object.".format(obj))
raise Exception("Ray does not know how to serialize objects of type {}. To fix this, call 'ray.register_class' with this class.".format(type(obj)))
if class_id in classes_to_pickle:
serialized_obj = {"data": pickling.dumps(obj)}
elif class_id in custom_serializers.keys():