bpo-42161: Use _PyLong_GetZero() and _PyLong_GetOne() (GH-22995)

Use _PyLong_GetZero() and _PyLong_GetOne()
in Objects/ and Python/ directories.

2 files changed, 7 insertions, 4 deletions

diff --git a/Python/_warnings.c b/Python/_warnings.c
index 86bbfa1..271cd47 100644
--- a/Python/_warnings.c
+++ b/Python/_warnings.c
@@ -1,6 +1,7 @@
 #include "Python.h"
 #include "pycore_initconfig.h"
 #include "pycore_interp.h"        // PyInterpreterState.warnings
+#include "pycore_long.h"          // _PyLong_GetZero()
 #include "pycore_pyerrors.h"
 #include "pycore_pystate.h"       // _PyThreadState_GET()
 #include "frameobject.h"          // PyFrame_GetBack()
@@ -73,7 +74,7 @@ create_filter(PyObject *category, _Py_Identifier *id, const char *modname)
 
     /* This assumes the line number is zero for now. */
     return PyTuple_Pack(5, action_str, Py_None,
-                        category, modname_obj, _PyLong_Zero);
+                        category, modname_obj, _PyLong_GetZero());
 }
 #endif
 
@@ -472,7 +473,7 @@ update_registry(PyObject *registry, PyObject *text, PyObject *category,
     int rc;
 
     if (add_zero)
-        altkey = PyTuple_Pack(3, text, category, _PyLong_Zero);
+        altkey = PyTuple_Pack(3, text, category, _PyLong_GetZero());
     else
         altkey = PyTuple_Pack(2, text, category);
 
diff --git a/Python/compile.c b/Python/compile.c
index a0089b2..15a9046 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -22,6 +22,7 @@
  */
 
 #include "Python.h"
+#include "pycore_long.h"          // _PyLong_GetZero()
 
 #include "Python-ast.h"
 #include "ast.h"
@@ -603,7 +604,7 @@ compiler_enter_scope(struct compiler *c, identifier name,
             compiler_unit_free(u);
             return 0;
         }
-        res = PyDict_SetItem(u->u_cellvars, name, _PyLong_Zero);
+        res = PyDict_SetItem(u->u_cellvars, name, _PyLong_GetZero());
         if (res < 0) {
             compiler_unit_free(u);
             return 0;
@@ -3218,11 +3219,12 @@ compiler_import(struct compiler *c, stmt_ty s)
      */
     Py_ssize_t i, n = asdl_seq_LEN(s->v.Import.names);
 
+    PyObject *zero = _PyLong_GetZero();  // borrowed reference
     for (i = 0; i < n; i++) {
         alias_ty alias = (alias_ty)asdl_seq_GET(s->v.Import.names, i);
         int r;
 
-        ADDOP_LOAD_CONST(c, _PyLong_Zero);
+        ADDOP_LOAD_CONST(c, zero);
         ADDOP_LOAD_CONST(c, Py_None);
         ADDOP_NAME(c, IMPORT_NAME, alias->name, names);