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-rw-r--r--Python/ast.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/Python/ast.c b/Python/ast.c
index 4d874af..dc22478 100644
--- a/Python/ast.c
+++ b/Python/ast.c
@@ -1912,6 +1912,8 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func)
else {
keyword_ty kw;
identifier key;
+ int k;
+ char *tmp;
/* CHILD(ch, 0) is test, but must be an identifier? */
e = ast_for_expr(c, CHILD(ch, 0));
@@ -1933,6 +1935,14 @@ ast_for_call(struct compiling *c, const node *n, expr_ty func)
key = e->v.Name.id;
if (!forbidden_check(c, CHILD(ch, 0), PyBytes_AS_STRING(key)))
return NULL;
+ for (k = 0; k < nkeywords; k++) {
+ tmp = PyString_AS_STRING(
+ ((keyword_ty)asdl_seq_GET(keywords, k))->arg);
+ if (!strcmp(tmp, PyString_AS_STRING(key))) {
+ ast_error(CHILD(ch, 0), "keyword argument repeated");
+ return NULL;
+ }
+ }
e = ast_for_expr(c, CHILD(ch, 2));
if (!e)
return NULL;