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Add weakref support to array.array and file objects.

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Raymond Hettinger 2004-05-31 00:35:52 +00:00
parent 691d80532b
commit cb87bc8e7e
5 changed files with 38 additions and 4 deletions
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7
Objects/fileobject.c
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@ -307,6 +307,8 @@ static void drop_readahead(PyFileObject *);
static void
file_dealloc(PyFileObject *f)
{
if (f->weakreflist != NULL)
PyObject_ClearWeakRefs((PyObject *) f);
if (f->f_fp != NULL && f->f_close != NULL) {
Py_BEGIN_ALLOW_THREADS
(*f->f_close)(f->f_fp);
@ -1821,6 +1823,7 @@ file_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
((PyFileObject *)self)->f_mode = not_yet_string;
Py_INCREF(Py_None);
((PyFileObject *)self)->f_encoding = Py_None;
((PyFileObject *)self)->weakreflist = NULL;
}
return self;
}
@ -1942,12 +1945,12 @@ PyTypeObject PyFile_Type = {
/* softspace is writable: we must supply tp_setattro */
PyObject_GenericSetAttr, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_WEAKREFS, /* tp_flags */
file_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_weaklistoffset */
offsetof(PyFileObject, weakreflist), /* tp_weaklistoffset */
(getiterfunc)file_getiter, /* tp_iter */
(iternextfunc)file_iternext, /* tp_iternext */
file_methods, /* tp_methods */