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do not override errors from descriptors on modules

This commit is contained in:
Benjamin Peterson 2014-04-24 19:29:23 -04:00
parent 7b9ff0e6da
commit 1184e266b9
2 changed files with 17 additions and 10 deletions
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8
Lib/test/test_module.py
View File

@ -227,6 +227,14 @@ a = A(destroyed)"""
b"len = len",
b"shutil.rmtree = rmtree"})
def test_descriptor_errors_propogate(self):
class Descr:
def __get__(self, o, t):
raise RuntimeError
class M(ModuleType):
melon = Descr()
self.assertRaises(RuntimeError, getattr, M("mymod"), "melon")
# frozen and namespace module reprs are tested in importlib.

19
Objects/moduleobject.c
View File

@ -412,24 +412,23 @@ module_repr(PyModuleObject *m)
}
static PyObject*
module_getattr(PyObject *m, PyObject *name)
module_getattro(PyModuleObject *m, PyObject *name)
{
PyModuleObject *module;
PyObject *attr, *mod_name;
attr = PyObject_GenericGetAttr(m, name);
if (attr != NULL)
attr = PyObject_GenericGetAttr((PyObject *)m, name);
if (attr || !PyErr_ExceptionMatches(PyExc_AttributeError))
return attr;
PyErr_Clear();
module = (PyModuleObject*)m;
if (module->md_dict != NULL) {
mod_name = PyDict_GetItemString(module->md_dict, "__name__");
if (mod_name != NULL) {
if (m->md_dict) {
mod_name = PyDict_GetItemString(m->md_dict, "__name__");
if (mod_name) {
PyErr_Format(PyExc_AttributeError,
"module '%U' has no attribute '%U'", mod_name, name);
return NULL;
}
else if (PyErr_Occurred())
else if (PyErr_Occurred()) {
PyErr_Clear();
}
}
PyErr_Format(PyExc_AttributeError,
"module has no attribute '%U'", name);
@ -512,7 +511,7 @@ PyTypeObject PyModule_Type = {
0, /* tp_hash */
0, /* tp_call */
0, /* tp_str */
module_getattr, /* tp_getattro */
(getattrofunc)module_getattro, /* tp_getattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |