mojo: Add deserialization to python structs.

mojo/public/python/mojo/bindings/reflection.py

Index: mojo/public/python/mojo/bindings/reflection.py
diff --git a/mojo/public/python/mojo/bindings/reflection.py b/mojo/public/python/mojo/bindings/reflection.py
index d77bdb3abe5b6a86bc67400522a22101f1ff0645..bc8f7a855164b76427680231b899085a34b8b1f3 100644
--- a/mojo/public/python/mojo/bindings/reflection.py
+++ b/mojo/public/python/mojo/bindings/reflection.py
@@ -107,6 +107,14 @@ class MojoStructType(type):
       return serialization_object.Serialize(self, handle_offset)
     dictionary['Serialize'] = Serialize
 
+    def Deserialize(cls, data, handles):
+      result = cls.__new__(cls)
+      fields = {}
+      serialization_object.Deserialize(fields, data, handles)
+      result._fields = fields
+      return result
+    dictionary['Deserialize'] = classmethod(Deserialize)
+
     return type.__new__(mcs, name, bases, dictionary)
 
   # Prevent adding new attributes, or mutating constants.