prevent the dict constructor from accepting non-string keyword args #8419
This adds PyArg_ValidateKeywordArguments, which checks that keyword arguments
are all strings, using an optimized method if possible.
diff --git a/Python/getargs.c b/Python/getargs.c
index 17c5317..69f5018 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -1607,6 +1607,21 @@
return retval;
}
+int
+PyArg_ValidateKeywordArguments(PyObject *kwargs)
+{
+ if (!PyDict_CheckExact(kwargs)) {
+ PyErr_BadInternalCall();
+ return 0;
+ }
+ if (!_PyDict_HasOnlyStringKeys(kwargs)) {
+ PyErr_SetString(PyExc_TypeError,
+ "keyword arguments must be strings");
+ return 0;
+ }
+ return 1;
+}
+
#define IS_END_OF_FORMAT(c) (c == '\0' || c == ';' || c == ':')
static int