Fail closed on class alias mutations

This commit is contained in:
2026-07-02 13:58:58 +02:00
parent bebd4e09aa
commit 034e07269d
2 changed files with 80 additions and 0 deletions
@@ -414,6 +414,7 @@ def _class_attr(cls, name, env):
aliases.add(stmt.targets[0].id)
continue
if aliases.intersection(target_names):
value = _INVALID
aliases.difference_update(target_names)
if name not in target_names:
continue
@@ -436,6 +437,7 @@ def _class_attr(cls, name, env):
aliases.add(stmt.target.id)
continue
if aliases.intersection(target_names):
value = _INVALID
aliases.difference_update(target_names)
if name not in target_names:
continue
@@ -452,6 +454,7 @@ def _class_attr(cls, name, env):
if isinstance(stmt, ast.AugAssign):
target_names = _assignment_target_names(stmt)
if aliases.intersection(target_names):
value = _INVALID
aliases.difference_update(target_names)
if name in target_names:
value = _INVALID
@@ -459,6 +462,7 @@ def _class_attr(cls, name, env):
if isinstance(stmt, ast.Delete):
target_names = _delete_target_names(stmt)
if aliases.intersection(target_names):
value = _INVALID
aliases.difference_update(target_names)
if name in target_names:
value = _INVALID