Fixed #468 -- Model classes now get an accessor method to get the hum…

…an-readable value for each field that has 'choices' set. Thanks, Robert

git-svn-id: http://code.djangoproject.com/svn/django/trunk@687 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/meta/__init__.py

@@ -592,6 +592,10 @@ def __new__(cls, name, bases, attrs):
             new_mod.get_latest = curry(function_get_latest, opts, new_class, does_not_exist_exception)
 
         for f in opts.fields:
+            if f.choices:
+                # Add "get_thingie_display" method to get human-readable value.
+                func = curry(method_get_display_value, f)
+                setattr(new_class, 'get_%s_display' % f.name, func)
             if isinstance(f, DateField) or isinstance(f, DateTimeField):
                 # Add "get_next_by_thingie" and "get_previous_by_thingie" methods
                 # for all DateFields and DateTimeFields that cannot be null.
@@ -990,6 +994,12 @@ def method_get_next_or_previous(get_object_func, field, is_next, self, **kwargs)
     kwargs['limit'] = 1
     return get_object_func(**kwargs)
 
+# CHOICE-RELATED METHODS ###################
+
+def method_get_display_value(field, self):
+    value = getattr(self, field.column)
+    return dict(field.choices).get(value, value)
+
 # FILE-RELATED METHODS #####################
 
 def method_get_file_filename(field, self):