stubtest: catch more getattr errors (#12219)

Fixes for python/typeshed#7307
Amusingly, the evil runtime module that is causing havoc is... mypy,
which sqlalchemy has some extension for.

Co-authored-by: hauntsaninja <>

mypy/stubtest.py

@@ -214,7 +214,10 @@ def verify_mypyfile(
 
  def _belongs_to_runtime(r: types.ModuleType, attr: str) -> bool:
  obj = getattr(r, attr)
- obj_mod = getattr(obj, "__module__", None)
+ try:
+ obj_mod = getattr(obj, "__module__", None)
+ except Exception:
+ return False
  if obj_mod is not None:
  return obj_mod == r.__name__
  return not isinstance(obj, types.ModuleType)
@@ -241,11 +244,13 @@ def _belongs_to_runtime(r: types.ModuleType, attr: str) -> bool:
  # Don't recursively check exported modules, since that leads to infinite recursion
  continue
  assert stub_entry is not None
- yield from verify(
- stub_entry,
- getattr(runtime, entry, MISSING),
- object_path + [entry],
- )
+ try:
+ runtime_entry = getattr(runtime, entry, MISSING)
+ except Exception:
+ # Catch all exceptions in case the runtime raises an unexpected exception
+ # from __getattr__ or similar.
+ continue
+ yield from verify(stub_entry, runtime_entry, object_path + [entry])
 
 
 if sys.version_info >= (3, 7):