diff options
Diffstat (limited to 'Objects/memoryobject.c')
| -rw-r--r-- | Objects/memoryobject.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Objects/memoryobject.c b/Objects/memoryobject.c index ccf45ff..adaa67c 100644 --- a/Objects/memoryobject.c +++ b/Objects/memoryobject.c @@ -1398,6 +1398,20 @@ error: return NULL; } +static PyObject * +memory_toreadonly(PyMemoryViewObject *self, PyObject *noargs) +{ + CHECK_RELEASED(self); + /* Even if self is already readonly, we still need to create a new + * object for .release() to work correctly. + */ + self = (PyMemoryViewObject *) mbuf_add_view(self->mbuf, &self->view); + if (self != NULL) { + self->view.readonly = 1; + }; + return (PyObject *) self; +} + /**************************************************************************/ /* getbuffer */ @@ -3061,6 +3075,10 @@ PyDoc_STRVAR(memory_cast_doc, "cast($self, /, format, *, shape)\n--\n\ \n\ Cast a memoryview to a new format or shape."); +PyDoc_STRVAR(memory_toreadonly_doc, +"toreadonly($self, /)\n--\n\ +\n\ +Return a readonly version of the memoryview."); static PyMethodDef memory_methods[] = { {"release", (PyCFunction)memory_release, METH_NOARGS, memory_release_doc}, @@ -3068,6 +3086,7 @@ static PyMethodDef memory_methods[] = { {"hex", (PyCFunction)memory_hex, METH_NOARGS, memory_hex_doc}, {"tolist", (PyCFunction)memory_tolist, METH_NOARGS, memory_tolist_doc}, {"cast", (PyCFunction)memory_cast, METH_VARARGS|METH_KEYWORDS, memory_cast_doc}, + {"toreadonly", (PyCFunction)memory_toreadonly, METH_NOARGS, memory_toreadonly_doc}, {"__enter__", memory_enter, METH_NOARGS, NULL}, {"__exit__", memory_exit, METH_VARARGS, NULL}, {NULL, NULL} |