Merge pull request #1940 from dcherednik/importlib

Library import 14

1 files changed, 10 insertions, 19 deletions

diff --git a/contrib/tools/python3/src/Python/modsupport.c b/contrib/tools/python3/src/Python/modsupport.c
index 89ffae8c0f1..df4ae35a525 100644
--- a/contrib/tools/python3/src/Python/modsupport.c
+++ b/contrib/tools/python3/src/Python/modsupport.c
@@ -3,6 +3,7 @@
 
 #include "Python.h"
 #include "pycore_abstract.h"   // _PyIndex_Check()
+#include "pycore_object.h"     // _PyType_IsReady()
 
 #define FLAG_SIZE_T 1
 typedef double va_double;
@@ -10,9 +11,6 @@ typedef double va_double;
 static PyObject *va_build_value(const char *, va_list, int);
 static PyObject **va_build_stack(PyObject **small_stack, Py_ssize_t small_stack_len, const char *, va_list, int, Py_ssize_t*);
 
-/* Package context -- the full module name for package imports */
-const char *_Py_PackageContext = NULL;
-
 
 int
 _Py_convert_optional_to_ssize_t(PyObject *obj, void *result)
@@ -96,16 +94,12 @@ static PyObject *do_mkvalue(const char**, va_list *, int);
 static void
 do_ignore(const char **p_format, va_list *p_va, char endchar, Py_ssize_t n, int flags)
 {
-    PyObject *v;
-    Py_ssize_t i;
     assert(PyErr_Occurred());
-    v = PyTuple_New(n);
-    for (i = 0; i < n; i++) {
-        PyObject *exception, *value, *tb, *w;
-
-        PyErr_Fetch(&exception, &value, &tb);
-        w = do_mkvalue(p_format, p_va, flags);
-        PyErr_Restore(exception, value, tb);
+    PyObject *v = PyTuple_New(n);
+    for (Py_ssize_t i = 0; i < n; i++) {
+        PyObject *exc = PyErr_GetRaisedException();
+        PyObject *w = do_mkvalue(p_format, p_va, flags);
+        PyErr_SetRaisedException(exc);
         if (w != NULL) {
             if (v != NULL) {
                 PyTuple_SET_ITEM(v, i, w);
@@ -359,8 +353,7 @@ do_mkvalue(const char **p_format, va_list *p_va, int flags)
             else
                 n = -1;
             if (u == NULL) {
-                v = Py_None;
-                Py_INCREF(v);
+                v = Py_NewRef(Py_None);
             }
             else {
                 if (n < 0)
@@ -410,8 +403,7 @@ do_mkvalue(const char **p_format, va_list *p_va, int flags)
             else
                 n = -1;
             if (str == NULL) {
-                v = Py_None;
-                Py_INCREF(v);
+                v = Py_NewRef(Py_None);
             }
             else {
                 if (n < 0) {
@@ -446,8 +438,7 @@ do_mkvalue(const char **p_format, va_list *p_va, int flags)
             else
                 n = -1;
             if (str == NULL) {
-                v = Py_None;
-                Py_INCREF(v);
+                v = Py_NewRef(Py_None);
             }
             else {
                 if (n < 0) {
@@ -694,7 +685,7 @@ PyModule_AddStringConstant(PyObject *m, const char *name, const char *value)
 int
 PyModule_AddType(PyObject *module, PyTypeObject *type)
 {
-    if (PyType_Ready(type) < 0) {
+    if (!_PyType_IsReady(type) && PyType_Ready(type) < 0) {
         return -1;
     }