Add support for ast NameConstant, added in Python 3.4.

--HG--
branch : nameconstant_py34

2 files changed, 13 insertions, 1 deletions

diff --git a/rebuilder.py b/rebuilder.py
index 7f4c7a71..9f1f638d 100644
--- a/rebuilder.py
+++ b/rebuilder.py
@@ -71,7 +71,6 @@ _CMP_OP_CLASSES = {Eq: '==',
 CONST_NAME_TRANSFORMS = {'None':  None,
                          'True':  True,
                          'False': False}
-
 REDIRECT = {'arguments': 'Arguments',
             'Attribute': 'Getattr',
             'comprehension': 'Comprehension',
@@ -838,6 +837,12 @@ class TreeRebuilder3k(TreeRebuilder):
         # XXX or we should instead introduce a Arg node in astroid ?
         return self.visit_assname(node, parent, node.arg)
 
+    def visit_nameconstant(self, node, parent):
+       # in Python 3.4 we have NameConstant for True/False/None
+       newnode = new.Const(node.value)
+       _set_infos(node, newnode, parent)
+       return newnode
+
     def visit_arguments(self, node, parent):
         newnode = super(TreeRebuilder3k, self).visit_arguments(node, parent)
         self.asscontext = "Ass"
diff --git a/test/unittest_python3.py b/test/unittest_python3.py
index 84650fca..460e43a2 100644
--- a/test/unittest_python3.py
+++ b/test/unittest_python3.py
@@ -39,5 +39,12 @@ class Python3TC(TestCase):
 
         self.assertTrue(isinstance(node.ass_type(), Assign))
 
+    @require_version('3.4')
+    def test_nameconstant(self):
+        astroid = self.builder.string_build("def test(x=True): pass")
+        default = astroid.body[0].args.args[0]
+        self.assertEqual(default.name, 'x')
+        self.assertEqual(next(default.infer()).value, True)
+
 if __name__ == '__main__':
     unittest_main()