add hashlib_helper.requires_builtin_hmac

Author: picnixz

Lib/test/support/hashlib_helper.py

@@ -8,11 +8,20 @@
 except ImportError:
     _hashlib = None
 
+try:
+    import _hmac
+except:
+    _hmac = None
+
 
 def requires_hashlib():
     return unittest.skipIf(_hashlib is None, "requires _hashlib")
 
 
+def requires_builtin_hmac():
+    return unittest.skipIf(_hmac is None, "requires _hmac")
+
+
 def _decorate_func_or_class(func_or_class, decorator_func):
     if not isinstance(func_or_class, type):
         return decorator_func(func_or_class)