move multilang-logic to add_triple-function

ckanext/dcat/profiles.py

@@ -104,49 +104,16 @@ def _object(self, subject, predicate):
             return _object
         return None
 
-    def _object_value(self, subject, predicate, multilang=False):
+    def _object_value(self, subject, predicate):
         '''
         Given a subject and a predicate, returns the value of the object
-
         Both subject and predicate must be rdflib URIRef or BNode objects
-
         If found, the unicode representation is returned, else an empty string
         '''
-        default_lang = config.get('ckan.locale_default', 'en')
-        lang_dict = {}
         for o in self.g.objects(subject, predicate):
-            if multilang and o.language:
-                lang_dict[o.language] = unicode(o)
-            elif multilang:
-                lang_dict[default_lang] = unicode(o)
-            else:
-                return unicode(o)
-        if multilang:
-            # when translation does not exist, create an empty one
-            for lang in get_langs():
-                if lang not in lang_dict:
-                    lang_dict[lang] = ''
-            return lang_dict
+            return unicode(o)
         return ''
 
-    def _add_multilang_value(self, subject, predicate, dataset_key, dataset_dict):  # noqa
-        multilang_values = dataset_dict.get(dataset_key)
-        if multilang_values:
-            try:
-                for key, values in multilang_values.iteritems():
-                    if values:
-                        # the values can be either a multilang-dict or they are
-                        # nested in another iterable (e.g. keywords)
-                        if not hasattr(values, '__iter__'):
-                            values = [values]
-                        for value in values:
-                            self.g.add((subject, predicate, Literal(value, lang=key)))  # noqa
-            # if multilang_values is not iterable, it is simply added as a non-
-            # translated Literal
-            except AttributeError:
-                self.g.add(
-                    (subject, predicate, Literal(multilang_values)))  # noqa
-
     def _object_value_int(self, subject, predicate):
         '''
         Given a subject and a predicate, returns the value of the object as an
@@ -502,6 +469,7 @@ def _add_triple_from_dict(self, _dict, subject, predicate, key,
                               fallbacks=None,
                               list_value=False,
                               date_value=False,
+                              multilang=False,
                               _type=Literal):
         '''
         Adds a new triple to the graph with the provided parameters
@@ -527,10 +495,22 @@ def _add_triple_from_dict(self, _dict, subject, predicate, key,
             self._add_list_triple(subject, predicate, value, _type)
         elif value and date_value:
             self._add_date_triple(subject, predicate, value, _type)
+        elif value and multilang:
+            self._add_multilang_triple(subject, predicate, value)
         elif value:
             # Normal text value
             self.g.add((subject, predicate, _type(value)))
 
+    def _add_multilang_triple(self, subject, predicate, multilang_values):  # noqa
+         for key, values in multilang_values.iteritems():
+            if values:
+                # the values can be either a multilang-dict or they are
+                # nested in another iterable (e.g. keywords)
+                if not hasattr(values, '__iter__'):
+                    values = [values]
+                for value in values:
+                    self.g.add((subject, predicate, Literal(value, lang=key)))  # noqa
+
     def _add_list_triple(self, subject, predicate, value, _type=Literal):
         '''
         Adds as many triples to the graph as values