diff options
Diffstat (limited to 'Python/bltinmodule.c')
| -rw-r--r-- | Python/bltinmodule.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c index 4143681b8a..b76f3739fa 100644 --- a/Python/bltinmodule.c +++ b/Python/bltinmodule.c @@ -539,11 +539,15 @@ builtin_execfile(PyObject *self, PyObject *args) PyCompilerFlags cf; int exists; - if (!PyArg_ParseTuple(args, "s|O!O!:execfile", + if (!PyArg_ParseTuple(args, "s|O!O:execfile", &filename, &PyDict_Type, &globals, - &PyDict_Type, &locals)) + &locals)) return NULL; + if (locals != Py_None && !PyMapping_Check(locals)) { + PyErr_SetString(PyExc_TypeError, "locals must be a mapping"); + return NULL; + } if (globals == Py_None) { globals = PyEval_GetGlobals(); if (locals == Py_None) |