[simuPOP-devel] SF.net SVN: simupop:[4994] trunk/src/utility.cpp

[<bpe...@us...>]

Revision: 4994
          http://sourceforge.net/p/simupop/code/4994
Author:   bpeng2000
Date:     2015-10-30 17:42:45 +0000 (Fri, 30 Oct 2015)
Log Message:
-----------
Remove __builtins__ before a population is saved because it contains non-pickable items

Modified Paths:
--------------
    trunk/src/utility.cpp

Modified: trunk/src/utility.cpp
===================================================================
--- trunk/src/utility.cpp	2015-10-30 04:42:01 UTC (rev 4993)
+++ trunk/src/utility.cpp	2015-10-30 17:42:45 UTC (rev 4994)
@@ -2406,6 +2406,13 @@
 	if (! pickle)
 		throw RuntimeError("Failed to import module pickle to serialize population variables.");
 
+	// Some items in __builtins__ are not pickable so we will have to remove them
+	// before picking.
+	PyObject * builtins = PyString_FromString("__builtins__");
+	if (PyDict_Contains(m_dict, builtins))
+		PyDict_DelItem(m_dict, builtins);
+	Py_DECREF(builtins);
+
 	// here we use version 2 because this is the latest version that supported by
 	// both python 2 and python 3, also because it is the one that handles simuPOP's
 	// defdict type using its __reduce__ interface.

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