Patch #1720595: add T_BOOL to the range of structmember types.

Patch by Angelo Mottola, reviewed by MvL, tests by me.

Include/structmember.h

@@ -62,6 +62,9 @@ typedef struct PyMemberDef {
 /* Added by Jack: strings contained in the structure */
 #define T_STRING_INPLACE	13
 
+/* Added by Lillo: bools contained in the structure (assumed char) */
+#define T_BOOL		14
+
 #define T_OBJECT_EX	16	/* Like T_OBJECT, but raises AttributeError
 				   when the value is NULL, instead of
 				   converting to None. */

Lib/test/test_structmembers.py

@@ -8,10 +8,16 @@ from _testcapi import test_structmembersType, \
 import warnings, exceptions, unittest, sys
 from test import test_support
 
-ts=test_structmembersType(1,2,3,4,5,6,7,8,9.99999,10.1010101010)
+ts=test_structmembersType(False,1,2,3,4,5,6,7,8,9.99999,10.1010101010)
 
 class ReadWriteTests(unittest.TestCase):
     def test_types(self):
+        ts.T_BOOL=True
+        self.assertEquals(ts.T_BOOL, True)
+        ts.T_BOOL=False
+        self.assertEquals(ts.T_BOOL, False)
+        self.assertRaises(TypeError, setattr, ts, 'T_BOOL', 1)
+
         ts.T_BYTE=CHAR_MAX
         self.assertEquals(ts.T_BYTE, CHAR_MAX)
         ts.T_BYTE=CHAR_MIN

Misc/NEWS

@@ -12,6 +12,8 @@ What's New in Python 2.6 alpha 1?
 Core and builtins
 -----------------
 
+- Patch #1720595: add T_BOOL to the range of structmember types.
+
 - Issue #1882: when compiling code from a string, encoding cookies in the
   second line of code were not always recognized correctly.
 

Modules/_testcapimodule.c

@@ -762,6 +762,7 @@ static PyMethodDef TestMethods[] = {
 #define AddSym(d, n, f, v) {PyObject *o = f(v); PyDict_SetItemString(d, n, o); Py_DECREF(o);}
 
 typedef struct {
+	char bool_member;
 	char byte_member;
 	unsigned char ubyte_member;
 	short short_member;
@@ -784,6 +785,7 @@ typedef struct {
 } test_structmembers;
 
 static struct PyMemberDef test_members[] = {
+	{"T_BOOL", T_BOOL, offsetof(test_structmembers, structmembers.bool_member), 0, NULL},
 	{"T_BYTE", T_BYTE, offsetof(test_structmembers, structmembers.byte_member), 0, NULL},
 	{"T_UBYTE", T_UBYTE, offsetof(test_structmembers, structmembers.ubyte_member), 0, NULL},
 	{"T_SHORT", T_SHORT, offsetof(test_structmembers, structmembers.short_member), 0, NULL},
@@ -803,13 +805,13 @@ static struct PyMemberDef test_members[] = {
 
 
 static PyObject *test_structmembers_new(PyTypeObject *type, PyObject *args, PyObject *kwargs){
-	static char *keywords[]={"T_BYTE", "T_UBYTE", "T_SHORT", "T_USHORT", "T_INT", "T_UINT",
+	static char *keywords[]={"T_BOOL", "T_BYTE", "T_UBYTE", "T_SHORT", "T_USHORT", "T_INT", "T_UINT",
 		"T_LONG", "T_ULONG", "T_FLOAT", "T_DOUBLE",
 		#ifdef HAVE_LONG_LONG	
 		"T_LONGLONG", "T_ULONGLONG",
 		#endif
 		NULL};
-	static char *fmt="|bBhHiIlkfd"
+	static char *fmt="|bbBhHiIlkfd"
 		#ifdef HAVE_LONG_LONG
 		"LK"
 		#endif
@@ -819,6 +821,7 @@ static PyObject *test_structmembers_new(PyTypeObject *type, PyObject *args, PyOb
 		return NULL;
 	memset(&ob->structmembers, 0, sizeof(all_structmembers));
 	if (!PyArg_ParseTupleAndKeywords(args, kwargs, fmt, keywords,
+		&ob->structmembers.bool_member,
 		&ob->structmembers.byte_member, &ob->structmembers.ubyte_member,
 		&ob->structmembers.short_member, &ob->structmembers.ushort_member,
 		&ob->structmembers.int_member, &ob->structmembers.uint_member, 

Python/structmember.c

@@ -61,6 +61,9 @@ PyMember_GetOne(const char *addr, PyMemberDef *l)
 	}
 	addr += l->offset;
 	switch (l->type) {
+	case T_BOOL:
+		v = PyBool_FromLong(*(char*)addr);
+		break;
 	case T_BYTE:
 		v = PyInt_FromLong(*(char*)addr);
 		break;
@@ -183,6 +186,18 @@ PyMember_SetOne(char *addr, PyMemberDef *l, PyObject *v)
 	}
 	addr += l->offset;
 	switch (l->type) {
+	case T_BOOL:{
+		if (!PyBool_Check(v)) {
+			PyErr_SetString(PyExc_TypeError,
+					"attribute value type must be bool");
+			return -1;
+		}
+		if (v == Py_True)
+			*(char*)addr = (char) 1;
+		else
+			*(char*)addr = (char) 0;
+		break;
+		}
 	case T_BYTE:{
 		long long_val = PyInt_AsLong(v);
 		if ((long_val == -1) && PyErr_Occurred())