gh-108494: Argument Clinic: fix support of limited C API

Author: serhiy-storchaka

Lib/test/test_call.py

@@ -65,7 +65,8 @@ def test_varargs3(self):
         self.assertRaisesRegex(TypeError, msg, int.from_bytes, b'a', 'little', False)
 
     def test_varargs1min(self):
-        msg = r"get expected at least 1 argument, got 0"
+        msg = (r"get\(\) takes at least 1 argument \(0 given\)|"
+               r"get expected at least 1 argument, got 0")
         self.assertRaisesRegex(TypeError, msg, {}.get)
 
         msg = r"expected 1 argument, got 0"
@@ -76,11 +77,13 @@ def test_varargs2min(self):
         self.assertRaisesRegex(TypeError, msg, getattr)
 
     def test_varargs1max(self):
-        msg = r"input expected at most 1 argument, got 2"
+        msg = (r"input\(\) takes at most 1 argument \(2 given\)|"
+               r"input expected at most 1 argument, got 2")
         self.assertRaisesRegex(TypeError, msg, input, 1, 2)
 
     def test_varargs2max(self):
-        msg = r"get expected at most 2 arguments, got 3"
+        msg = (r"get\(\) takes at most 2 arguments \(3 given\)|"
+               r"get expected at most 2 arguments, got 3")
         self.assertRaisesRegex(TypeError, msg, {}.get, 1, 2, 3)
 
     def test_varargs1_kw(self):
@@ -96,7 +99,7 @@ def test_varargs3_kw(self):
         self.assertRaisesRegex(TypeError, msg, bool, x=2)
 
     def test_varargs4_kw(self):
-        msg = r"^list[.]index\(\) takes no keyword arguments$"
+        msg = r"^(list[.])?index\(\) takes no keyword arguments$"
         self.assertRaisesRegex(TypeError, msg, [].index, x=2)
 
     def test_varargs5_kw(self):

Lib/test/test_enum.py

@@ -2799,11 +2799,13 @@ class SecondFailedStrEnum(CustomStrEnum):
         class ThirdFailedStrEnum(CustomStrEnum):
             one = '1'
             two = 2  # this will become '2'
-        with self.assertRaisesRegex(TypeError, '.encoding. must be str, not '):
+        with self.assertRaisesRegex(TypeError,
+                r"argument (2|'encoding') must be str, not "):
             class ThirdFailedStrEnum(CustomStrEnum):
                 one = '1'
                 two = b'2', sys.getdefaultencoding
-        with self.assertRaisesRegex(TypeError, '.errors. must be str, not '):
+        with self.assertRaisesRegex(TypeError,
+                r"argument (3|'errors') must be str, not "):
             class ThirdFailedStrEnum(CustomStrEnum):
                 one = '1'
                 two = b'2', 'ascii', 9

Lib/test/test_pyexpat.py

@@ -281,12 +281,10 @@ def test_legal(self):
         expat.ParserCreate(namespace_separator=' ')
 
     def test_illegal(self):
-        try:
+        with self.assertRaisesRegex(TypeError,
+                r"ParserCreate\(\) argument (2|'namespace_separator') "
+                r"must be str or None, not int"):
             expat.ParserCreate(namespace_separator=42)
-            self.fail()
-        except TypeError as e:
-            self.assertEqual(str(e),
-                "ParserCreate() argument 'namespace_separator' must be str or None, not int")
 
         try:
             expat.ParserCreate(namespace_separator='too long')

Modules/_localemodule.c

@@ -11,6 +11,7 @@ This software comes with no warranty. Use at your own risk.
 
 #include "Python.h"
 #include "pycore_fileutils.h"
+#include "pycore_pymem.h"  // _PyMem_Strdup
 
 #include <stdio.h>
 #include <locale.h>

Modules/_sqlite/module.c

@@ -244,7 +244,7 @@ load_functools_lru_cache(PyObject *module)
 static PyMethodDef module_methods[] = {
     PYSQLITE_ADAPT_METHODDEF
     PYSQLITE_COMPLETE_STATEMENT_METHODDEF
-    PYSQLITE_CONNECT_METHODDEF
+    {"connect", _PyCFunction_CAST(pysqlite_connect), METH_FASTCALL|METH_KEYWORDS, pysqlite_connect__doc__},
     PYSQLITE_ENABLE_CALLBACK_TRACE_METHODDEF
     PYSQLITE_REGISTER_ADAPTER_METHODDEF
     PYSQLITE_REGISTER_CONVERTER_METHODDEF

Modules/_tracemalloc.c

@@ -1,4 +1,5 @@
 #include "Python.h"
+#include "pycore_tracemalloc.h"  // _PyTraceMalloc_IsTracing
 
 #include "clinic/_tracemalloc.c.h"
 

Modules/clinic/_testclinic_limited.c.h

@@ -40,14 +40,14 @@ _tokenizer.tokenizeriter.__new__ as tokenizeriter_new
     readline: object
     /
     *
-    extra_tokens: bool
+    extra_tokens: bool = False
     encoding: str(c_default="NULL") = 'utf-8'
 [clinic start generated code]*/
 
 static PyObject *
 tokenizeriter_new_impl(PyTypeObject *type, PyObject *readline,
                        int extra_tokens, const char *encoding)
-/*[clinic end generated code: output=7501a1211683ce16 input=f7dddf8a613ae8bd]*/
+/*[clinic end generated code: output=7501a1211683ce16 input=51c478867094fe04]*/
 {
     tokenizeriterobject *self = (tokenizeriterobject *)type->tp_alloc(type, 0);
     if (self == NULL) {