gh-85283: Build md5 extension with limited C API (#110967)

* Replace _Py_strhex() with few lines of code.
* Replace _PyType_GetModuleState() with PyType_GetModuleState().
* Fix make check-c-globals.

1 files changed, 6 insertions, 56 deletions

diff --git a/Modules/clinic/md5module.c.h b/Modules/clinic/md5module.c.h
index 6087a0f..11db795 100644
--- a/Modules/clinic/md5module.c.h
+++ b/Modules/clinic/md5module.c.h
@@ -2,11 +2,6 @@
 preserve
 [clinic start generated code]*/
 
-#if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-#  include "pycore_gc.h"          // PyGC_Head
-#  include "pycore_runtime.h"     // _Py_ID()
-#endif
-
 PyDoc_STRVAR(MD5Type_copy__doc__,
 "copy($self, /)\n"
 "--\n"
@@ -81,70 +76,25 @@ PyDoc_STRVAR(_md5_md5__doc__,
 "Return a new MD5 hash object; optionally initialized with a string.");
 
 #define _MD5_MD5_METHODDEF    \
-    {"md5", _PyCFunction_CAST(_md5_md5), METH_FASTCALL|METH_KEYWORDS, _md5_md5__doc__},
+    {"md5", (PyCFunction)(void(*)(void))_md5_md5, METH_VARARGS|METH_KEYWORDS, _md5_md5__doc__},
 
 static PyObject *
 _md5_md5_impl(PyObject *module, PyObject *string, int usedforsecurity);
 
 static PyObject *
-_md5_md5(PyObject *module, PyObject *const *args, Py_ssize_t nargs, PyObject *kwnames)
+_md5_md5(PyObject *module, PyObject *args, PyObject *kwargs)
 {
     PyObject *return_value = NULL;
-    #if defined(Py_BUILD_CORE) && !defined(Py_BUILD_CORE_MODULE)
-
-    #define NUM_KEYWORDS 2
-    static struct {
-        PyGC_Head _this_is_not_used;
-        PyObject_VAR_HEAD
-        PyObject *ob_item[NUM_KEYWORDS];
-    } _kwtuple = {
-        .ob_base = PyVarObject_HEAD_INIT(&PyTuple_Type, NUM_KEYWORDS)
-        .ob_item = { &_Py_ID(string), &_Py_ID(usedforsecurity), },
-    };
-    #undef NUM_KEYWORDS
-    #define KWTUPLE (&_kwtuple.ob_base.ob_base)
-
-    #else  // !Py_BUILD_CORE
-    #  define KWTUPLE NULL
-    #endif  // !Py_BUILD_CORE
-
-    static const char * const _keywords[] = {"string", "usedforsecurity", NULL};
-    static _PyArg_Parser _parser = {
-        .keywords = _keywords,
-        .fname = "md5",
-        .kwtuple = KWTUPLE,
-    };
-    #undef KWTUPLE
-    PyObject *argsbuf[2];
-    Py_ssize_t noptargs = nargs + (kwnames ? PyTuple_GET_SIZE(kwnames) : 0) - 0;
+    static char *_keywords[] = {"string", "usedforsecurity", NULL};
     PyObject *string = NULL;
     int usedforsecurity = 1;
 
-    args = _PyArg_UnpackKeywords(args, nargs, NULL, kwnames, &_parser, 0, 1, 0, argsbuf);
-    if (!args) {
+    if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|O$p:md5", _keywords,
+        &string, &usedforsecurity))
         goto exit;
-    }
-    if (!noptargs) {
-        goto skip_optional_pos;
-    }
-    if (args[0]) {
-        string = args[0];
-        if (!--noptargs) {
-            goto skip_optional_pos;
-        }
-    }
-skip_optional_pos:
-    if (!noptargs) {
-        goto skip_optional_kwonly;
-    }
-    usedforsecurity = PyObject_IsTrue(args[1]);
-    if (usedforsecurity < 0) {
-        goto exit;
-    }
-skip_optional_kwonly:
     return_value = _md5_md5_impl(module, string, usedforsecurity);
 
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=943d42b9d17d9a5b input=a9049054013a1b77]*/
+/*[clinic end generated code: output=015f7613e3a9bb93 input=a9049054013a1b77]*/