gh-108494: Argument Clinic: fix support of Limited C API (GH-108536)

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/_struct.c

@@ -108,6 +108,7 @@ class cache_struct_converter(CConverter):
     type = 'PyStructObject *'
     converter = 'cache_struct_converter'
     c_default = "NULL"
+    broken_limited_capi = True
 
     def parse_arg(self, argname, displayname):
         return """
@@ -120,7 +121,7 @@ class cache_struct_converter(CConverter):
     def cleanup(self):
         return "Py_XDECREF(%s);\n" % self.name
 [python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=d6746621c2fb1a7d]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=14e83804f599ed8f]*/
 
 static int cache_struct_converter(PyObject *, PyObject *, PyStructObject **);
 

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

@@ -220,6 +220,7 @@ class DWORD_converter(unsigned_long_converter):
 class HKEY_converter(CConverter):
     type = 'HKEY'
     converter = 'clinic_HKEY_converter'
+    broken_limited_capi = True
 
     def parse_arg(self, argname, displayname):
         return """
@@ -249,7 +250,7 @@ class self_return_converter(CReturnConverter):
         data.return_conversion.append(
             'return_value = (PyObject *)_return_value;\n')
 [python start generated code]*/
-/*[python end generated code: output=da39a3ee5e6b4b0d input=17e645060c7b8ae1]*/
+/*[python end generated code: output=da39a3ee5e6b4b0d input=f8cb7034338aeaba]*/
 
 #include "clinic/winreg.c.h"