Merge pull request #116 from isidentical/forbidden-name

Raise violation on starred expressions where the child is a boolean/none

parso/python/errors.py

@@ -981,6 +981,8 @@ class _CheckAssignmentRule(SyntaxRule):
               or '_test' in type_
               or type_ in ('term', 'factor')):
             error = 'operator'
+        elif type_ == "star_expr":
+            self._check_assignment(node.children[1])
 
         if error is not None:
             if is_namedexpr:

test/normalizer_issue_files/allowed_syntax.py

@@ -12,13 +12,6 @@ from .__future__ import absolute_import
 ''r''u''
 b'' BR''
 
-for x in [1]:
-    try:
-        continue  # Only the other continue and pass is an error.
-    finally:
-        #: E901
-        continue
-
 
 for x in [1]:
     break

test/test_python_errors.py

@@ -339,3 +339,26 @@ def test_continue_in_finally():
     assert _get_error_list(code, version="3.7")
 
     
+@pytest.mark.parametrize(
+    'template', [
+        "a, b, {target}, c = d",
+        "a, b, *{target}, c = d",
+        "(a, *{target}), c = d",
+        "for x, {target} in y: pass",
+        "for x, q, {target} in y: pass",
+        "for x, q, *{target} in y: pass",
+        "for (x, *{target}), q in y: pass",
+    ]
+)
+@pytest.mark.parametrize(
+    'target', [
+        "True",
+        "False",
+        "None",
+        "__debug__"
+    ]
+)
+def test_forbidden_name(template, target):
+    assert _get_error_list(template.format(target=target), version="3")[0].message
+
+