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.
This commit is contained in:
Victor Stinner 2011-09-15 19:45:53 +02:00
parent 503e5e12c2
commit ed36c06f1d
1 changed files with 4 additions and 4 deletions

View File

@ -1235,7 +1235,7 @@ find_module(char *fullname, char *subname, PyObject *path, char *buf,
meta_path = PySys_GetObject("meta_path"); meta_path = PySys_GetObject("meta_path");
if (meta_path == NULL || !PyList_Check(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 " "sys.meta_path must be a list of "
"import hooks"); "import hooks");
return NULL; return NULL;
@ -1304,14 +1304,14 @@ find_module(char *fullname, char *subname, PyObject *path, char *buf,
path = PySys_GetObject("path"); path = PySys_GetObject("path");
} }
if (path == NULL || !PyList_Check(path)) { if (path == NULL || !PyList_Check(path)) {
PyErr_SetString(PyExc_ImportError, PyErr_SetString(PyExc_RuntimeError,
"sys.path must be a list of directory names"); "sys.path must be a list of directory names");
return NULL; return NULL;
} }
path_hooks = PySys_GetObject("path_hooks"); path_hooks = PySys_GetObject("path_hooks");
if (path_hooks == NULL || !PyList_Check(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 " "sys.path_hooks must be a list of "
"import hooks"); "import hooks");
return NULL; return NULL;
@ -1319,7 +1319,7 @@ find_module(char *fullname, char *subname, PyObject *path, char *buf,
path_importer_cache = PySys_GetObject("path_importer_cache"); path_importer_cache = PySys_GetObject("path_importer_cache");
if (path_importer_cache == NULL || if (path_importer_cache == NULL ||
!PyDict_Check(path_importer_cache)) { !PyDict_Check(path_importer_cache)) {
PyErr_SetString(PyExc_ImportError, PyErr_SetString(PyExc_RuntimeError,
"sys.path_importer_cache must be a dict"); "sys.path_importer_cache must be a dict");
return NULL; return NULL;
} }