Mercurial > cpython-lru_cache-weakref

diff Python/ast.c @ 41975:c2ac22c6f98d 2.5

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Disallow function calls like foo(None=1). Backport from py3k rev. 55708 by Guido. (backport from rev. 55802)
author Georg Brandl <georg@python.org>
date Thu, 07 Jun 2007 13:23:28 +0000
parents d835809f45ec
children ddefbdbdbcb5
line wrap: on
line diff
--- a/Python/ast.c	Tue Jun 05 22:06:28 2007 +0000
+++ b/Python/ast.c	Thu Jun 07 13:23:28 2007 +0000
@@ -1855,13 +1855,18 @@
                  * then is very confusing.
                  */
                 if (e->kind == Lambda_kind) {
-                  ast_error(CHILD(ch, 0), "lambda cannot contain assignment");
-                  return NULL;
+                    ast_error(CHILD(ch, 0),
+                              "lambda cannot contain assignment");
+                    return NULL;
                 } else if (e->kind != Name_kind) {
-                  ast_error(CHILD(ch, 0), "keyword can't be an expression");
-                  return NULL;
+                    ast_error(CHILD(ch, 0), "keyword can't be an expression");
+                    return NULL;
                 }
 		key = e->v.Name.id;
+                if (!strcmp(PyString_AS_STRING(key), "None")) {
+                    ast_error(CHILD(ch, 0), "assignment to None");
+                    return NULL;
+                }
 		e = ast_for_expr(c, CHILD(ch, 2));
                 if (!e)
                     return NULL;