inspect.signature: Use 'inspect.isbuiltin' in 'Signature.from_builtin'

2014-02-02 12:51:20 -05:00 · 2014-02-02 12:51:20 -05:00 · 1d24183550
parent 900aeb7221
commit 1d24183550
1 changed files with 2 additions and 1 deletions
--- a/Lib/inspect.py
+++ b/Lib/inspect.py
@ -1594,8 +1594,9 @@ def _signature_bound_method(sig):
 def _signature_is_builtin(obj):
    # Internal helper to test if `obj` is a callable that might
    # support Argument Clinic's __text_signature__ protocol.
-    return (isinstance(obj, _NonUserDefinedCallables) or
+    return (isbuiltin(obj) or
            ismethoddescriptor(obj) or
+            isinstance(obj, _NonUserDefinedCallables) or
            # Can't test 'isinstance(type)' here, as it would
            # also be True for regular python classes
            obj in (type, object))