allow ellipsis

CHANGES.rst

@@ -8,6 +8,8 @@ Changes
 
 - Drop support for Python 3.9.
 
+- Allow the ``...`` (Ellipsis) statement.
+
 
 8.1 (2025-10-19)
 ----------------

src/RestrictedPython/Guards.py

@@ -27,6 +27,7 @@
     'None',
     'False',
     'True',
+    'Ellipsis',
     'abs',
     'bool',
     'bytes',

src/RestrictedPython/transformer.py

@@ -476,20 +476,12 @@ def node_contents_visit(self, node):
     # ast for Literals
 
     def visit_Constant(self, node):
-        """Allow constant literals with restriction for Ellipsis.
+        """Allow constant literals.
 
         Constant replaces Num, Str, Bytes, NameConstant and Ellipsis in
         Python 3.8+.
         :see: https://docs.python.org/dev/whatsnew/3.8.html#deprecated
         """
-        if node.value is Ellipsis:
-            # Deny using `...`.
-            # Special handling necessary as ``self.not_allowed(node)``
-            # would return the Error Message:
-            # 'Constant statements are not allowed.'
-            # which is only partial true.
-            self.error(node, 'Ellipsis statements are not allowed.')
-            return
         return self.node_contents_visit(node)
 
     def visit_Interactive(self, node):

tests/transformer/test_base_types.py

@@ -1,4 +1,3 @@
-from RestrictedPython import compile_restricted_exec
 from tests.helper import restricted_eval
 
 
@@ -18,6 +17,6 @@ def test_Set():
 
 
 def test_Ellipsis():
-    """It prevents using the `ellipsis` statement."""
-    result = compile_restricted_exec('...')
-    assert result.errors == ('Line 1: Ellipsis statements are not allowed.',)
+    """It allows to use the `ellipsis` statement."""
+    assert restricted_eval('...') == ...
+    assert restricted_eval('Ellipsis') == ...