Fix the import machinery if there is an error on sys.path or sys.meta_path
find_module() now raises a RuntimeError, instead of ImportError, on an error on
sys.path or sys.meta_path because load_package() and import_submodule() returns
None and clear the exception if a ImportError occurred.
diff --git a/Python/import.c b/Python/import.c
index 2ec0dd3..673d1b3 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -1235,7 +1235,7 @@
meta_path = PySys_GetObject("meta_path");
if (meta_path == NULL || !PyList_Check(meta_path)) {
- PyErr_SetString(PyExc_ImportError,
+ PyErr_SetString(PyExc_RuntimeError,
"sys.meta_path must be a list of "
"import hooks");
return NULL;
@@ -1304,14 +1304,14 @@
path = PySys_GetObject("path");
}
if (path == NULL || !PyList_Check(path)) {
- PyErr_SetString(PyExc_ImportError,
+ PyErr_SetString(PyExc_RuntimeError,
"sys.path must be a list of directory names");
return NULL;
}
path_hooks = PySys_GetObject("path_hooks");
if (path_hooks == NULL || !PyList_Check(path_hooks)) {
- PyErr_SetString(PyExc_ImportError,
+ PyErr_SetString(PyExc_RuntimeError,
"sys.path_hooks must be a list of "
"import hooks");
return NULL;
@@ -1319,7 +1319,7 @@
path_importer_cache = PySys_GetObject("path_importer_cache");
if (path_importer_cache == NULL ||
!PyDict_Check(path_importer_cache)) {
- PyErr_SetString(PyExc_ImportError,
+ PyErr_SetString(PyExc_RuntimeError,
"sys.path_importer_cache must be a dict");
return NULL;
}