Patch from Matt Keenan <matt.keenan@gmail.com> - 0005217: Number of text reports crashing during deepcopy() for Python <2.7

svn: r18156

src/gramps.py

@@ -108,6 +108,21 @@ if not sys.version_info >= MIN_PYTHON_VERSION :
             MIN_PYTHON_VERSION[2]))
     sys.exit(1)
 
+#-------------------------------------------------------------------------
+#
+# deepcopy workaround
+#
+#-------------------------------------------------------------------------
+# In versions < 2.7 python does not properly copy methods when doing a 
+# deepcopy. This workaround makes the copy work properly. When Gramps no longer
+# supports python 2.6, this workaround can be removed.
+if sys.version_info < (2, 7) :
+    import copy
+    import types
+    def _deepcopy_method(x, memo):
+        return type(x)(x.im_func, copy.deepcopy(x.im_self, memo), x.im_class)
+    copy._deepcopy_dispatch[types.MethodType] = _deepcopy_method
+
 #-------------------------------------------------------------------------
 #
 # gramps libraries