allow byte literals

diff --git a/Lib/ast.py b/Lib/ast.py
index 092f07790fef90e5f716044726d05a3e21902b4d..d595c058b62ed0f3531dfad1512466fcc7d91228 100644 (file)
--- a/Lib/ast.py
+++ b/Lib/ast.py
@@ -50,7 +50,7 @@ def literal_eval(node_or_string):
     if isinstance(node_or_string, Expression):
         node_or_string = node_or_string.body
     def _convert(node):
-        if isinstance(node, Str):
+        if isinstance(node, (Str, Bytes)):
             return node.s
         elif isinstance(node, Num):
             return node.n

diff --git a/Lib/test/test_ast.py b/Lib/test/test_ast.py
index e05078461b1468d844b29f732aae0f4852202971..f00a4159ffc4926ef841414b360396d7d050a93e 100644 (file)
--- a/Lib/test/test_ast.py
+++ b/Lib/test/test_ast.py
@@ -286,6 +286,7 @@ class ASTHelpers_Test(unittest.TestCase):
         self.assertEqual(ast.literal_eval('{"foo": 42}'), {"foo": 42})
         self.assertEqual(ast.literal_eval('(True, False, None)'), (True, False, None))
         self.assertEqual(ast.literal_eval('{1, 2, 3}'), {1, 2, 3})
+        self.assertEqual(ast.literal_eval('b"hi"'), b"hi")
         self.assertRaises(ValueError, ast.literal_eval, 'foo()')
 
     def test_literal_eval_issue4907(self):

diff --git a/Misc/NEWS b/Misc/NEWS
index 1b0c3d18f3d8d2ed533581fc9c1216dc03fdd060..86e8d16a26d4f489717d71b957528ace372f3218 100644 (file)
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -473,6 +473,8 @@ C-API
 Library
 -------
 
+- ``ast.literal_eval()`` now allows byte literals.
+
 - Issue #9137: Fix issue in MutableMapping.update, which incorrectly
   treated keyword arguments called 'self' or 'other' specially.