well yeah give NamePart a get_code method after all, makes sense, because all the other parser representation objects have it.

jedi/parser/representation.py

@@ -1396,6 +1396,9 @@ class NamePart(object):
     def __repr__(self):
         return "<%s: %s>" % (type(self).__name__, self._string)
 
+    def get_code(self):
+        return self._string
+
     def get_parent_until(self, *args, **kwargs):
         return self.parent.get_parent_until(*args, **kwargs)
 

test/test_api/test_api.py

@@ -127,3 +127,8 @@ def test_goto_definition_not_multiple():
                 a = A(1)
             a''')
     assert len(api.Script(s).goto_definitions()) == 1
+
+
+def test_usage_description():
+    for u in api.Script('foo = ''; foo').usages():
+        assert u.description == 'foo'