Ticket #2744: enum_with_duplicated_values_v2.2.patch

libs/python/src/object/enum.cpp

@@ -14 +14 @@
 #include <boost/python/object_protocol.hpp>
 #include <structmember.h>
 
-namespace boost { namespace python { namespace objects { 
+namespace boost { namespace python { namespace objects {
 
 struct enum_object
 {
@@ -43 +43 @@
             char* name = PyString_AsString(self->name);
             if (name == 0)
                 return 0;
-            
+
             return PyString_FromFormat("%s.%s.%s", mod, self_->ob_type->tp_name, name);
         }
     }
@@ -139 +139 @@
       dict d;
       d["__slots__"] = tuple();
       d["values"] = dict();
+      d["names"] = dict();
 
       object module_name = module_prefix();
       if (module_name)
          d["__module__"] = module_name;
       if (doc)
          d["__doc__"] = doc;
-      
+
       object result = (object(metatype))(name, make_tuple(base), d);
-      
+
       scope().attr(name) = result;
 
       return result;
@@ -167 +168 @@
     converter::registration& converters
         = const_cast<converter::registration&>(
             converter::registry::lookup(id));
-            
+
     converters.m_class_object = downcast<PyTypeObject>(this->ptr());
     converter::registry::insert(to_python, id);
     converter::registry::insert(convertible, construct, id);
@@ -186 +187 @@
 
     dict d = extract<dict>(this->attr("values"))();
     d[value] = x;
-    
+
     // Set the name field in the new enum instanec
     enum_object* p = downcast<enum_object>(x.ptr());
     Py_XDECREF(p->name);
     p->name = incref(name.ptr());
+
+    dict names_dict = extract<dict>(this->attr("names"))();
+    names_dict[x.attr("name")] = value;
 }
 
 void enum_base::export_values()
 {
-    dict d = extract<dict>(this->attr("values"))();
-    list values = d.values();
+    dict d = extract<dict>(this->attr("names"))();
+    list items = d.items();
     scope current;
-    
-    for (unsigned i = 0, max = len(values); i < max; ++i)
-    {
-        api::setattr(current, object(values[i].attr("name")), values[i]);
-    }
+
+    for (unsigned i = 0, max = len(items); i < max; ++i)
+        api::setattr(current, items[i][0], items[i][1]);
  }
 
 PyObject* enum_base::to_python(PyTypeObject* type_, long x)