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-rw-r--r--Python/pythonrun.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index 9ef653b57a..96b0988ec7 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -35,12 +35,30 @@
#define PATH_MAX MAXPATHLEN
#endif
+#ifdef Py_REF_DEBUG
+static
+void _print_total_refs(void) {
+ PyObject *xoptions, *key, *value;
+ xoptions = PySys_GetXOptions();
+ if (xoptions == NULL)
+ return;
+ key = PyUnicode_FromString("showrefcount");
+ if (key == NULL)
+ return;
+ value = PyDict_GetItem(xoptions, key);
+ Py_DECREF(key);
+ if (value == Py_True)
+ fprintf(stderr,
+ "[%" PY_FORMAT_SIZE_T "d refs, "
+ "%" PY_FORMAT_SIZE_T "d blocks]\n",
+ _Py_GetRefTotal(), _Py_GetAllocatedBlocks());
+}
+#endif
+
#ifndef Py_REF_DEBUG
#define PRINT_TOTAL_REFS()
#else /* Py_REF_DEBUG */
-#define PRINT_TOTAL_REFS() fprintf(stderr, \
- "[%" PY_FORMAT_SIZE_T "d refs]\n", \
- _Py_GetRefTotal())
+#define PRINT_TOTAL_REFS() _print_total_refs()
#endif
#ifdef __cplusplus
@@ -827,7 +845,7 @@ Py_GetPythonHome(void)
static void
initmain(PyInterpreterState *interp)
{
- PyObject *m, *d;
+ PyObject *m, *d, *loader;
m = PyImport_AddModule("__main__");
if (m == NULL)
Py_FatalError("can't create __main__ module");
@@ -848,7 +866,8 @@ initmain(PyInterpreterState *interp)
* be set if __main__ gets further initialized later in the startup
* process.
*/
- if (PyDict_GetItemString(d, "__loader__") == NULL) {
+ loader = PyDict_GetItemString(d, "__loader__");
+ if (loader == NULL || loader == Py_None) {
PyObject *loader = PyObject_GetAttrString(interp->importlib,
"BuiltinImporter");
if (loader == NULL) {