Make unittest.mock.create_autospec resilient against AttributeError on original object

1 files changed, 6 insertions, 2 deletions

diff --git a/Lib/unittest/mock.py b/Lib/unittest/mock.py
index ec17542..04eba91 100644
--- a/Lib/unittest/mock.py
+++ b/Lib/unittest/mock.py
@@ -2044,10 +2044,14 @@ def create_autospec(spec, spec_set=False, instance=False, _parent=None,
         # object to mock it so we would rather trigger a property than mock
         # the property descriptor. Likewise we want to mock out dynamically
         # provided attributes.
-        # XXXX what about attributes that raise exceptions on being fetched
+        # XXXX what about attributes that raise exceptions other than
+        # AttributeError on being fetched?
         # we could be resilient against it, or catch and propagate the
         # exception when the attribute is fetched from the mock
-        original = getattr(spec, entry)
+        try:
+            original = getattr(spec, entry)
+        except AttributeError:
+            continue
 
         kwargs = {'spec': original}
         if spec_set: