[Python-checkins] r69685 - in python/trunk: Lib/test/test_itertools.py Modules/itertoolsmodule.c
raymond.hettinger
python-checkins at python.org
Mon Feb 16 21:39:13 CET 2009
Author: raymond.hettinger
Date: Mon Feb 16 21:39:12 2009
New Revision: 69685
Log:
Add GC support to count() objects. Backport candidate.
Modified:
python/trunk/Lib/test/test_itertools.py
python/trunk/Modules/itertoolsmodule.c
Modified: python/trunk/Lib/test/test_itertools.py
==============================================================================
--- python/trunk/Lib/test/test_itertools.py (original)
+++ python/trunk/Lib/test/test_itertools.py Mon Feb 16 21:39:12 2009
@@ -966,6 +966,11 @@
a = []
self.makecycle(compress('ABCDEF', [1,0,1,0,1,0]), a)
+ def test_count(self):
+ a = []
+ Int = type('Int', (int,), dict(x=a))
+ self.makecycle(count(Int(0), Int(1)), a)
+
def test_cycle(self):
a = []
self.makecycle(cycle([a]*2), a)
Modified: python/trunk/Modules/itertoolsmodule.c
==============================================================================
--- python/trunk/Modules/itertoolsmodule.c (original)
+++ python/trunk/Modules/itertoolsmodule.c Mon Feb 16 21:39:12 2009
@@ -3271,7 +3271,7 @@
cnt == PY_SSIZE_T_MAX && long_cnt != NULL);
/* create countobject structure */
- lz = (countobject *)PyObject_New(countobject, &count_type);
+ lz = (countobject *)type->tp_alloc(type, 0);
if (lz == NULL) {
Py_XDECREF(long_cnt);
return NULL;
@@ -3286,9 +3286,17 @@
static void
count_dealloc(countobject *lz)
{
+ PyObject_GC_UnTrack(lz);
Py_XDECREF(lz->long_cnt);
Py_XDECREF(lz->long_step);
- PyObject_Del(lz);
+ Py_TYPE(lz)->tp_free(lz);
+}
+
+count_traverse(countobject *lz, visitproc visit, void *arg)
+{
+ Py_VISIT(lz->long_cnt);
+ Py_VISIT(lz->long_step);
+ return 0;
}
static PyObject *
@@ -3384,9 +3392,10 @@
PyObject_GenericGetAttr, /* tp_getattro */
0, /* tp_setattro */
0, /* tp_as_buffer */
- Py_TPFLAGS_DEFAULT, /* tp_flags */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC |
+ Py_TPFLAGS_BASETYPE, /* tp_flags */
count_doc, /* tp_doc */
- 0, /* tp_traverse */
+ (traverseproc)count_traverse, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
@@ -3403,6 +3412,7 @@
0, /* tp_init */
0, /* tp_alloc */
count_new, /* tp_new */
+ PyObject_GC_Del, /* tp_free */
};
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