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fix to possible bug running python callbacks - bpy.app.handlers.* to support handlers removing themselves from the list.

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Campbell Barton
2012-03-20 20:37:40 +00:00
parent d74ab9d598
commit 7dda8182ad
1 changed files with 4 additions and 4 deletions
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8
source/blender/python/intern/bpy_app_handlers.c
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@@ -279,8 +279,7 @@ void BPY_app_handlers_reset(const short do_all)
void bpy_app_generic_callback(struct Main *UNUSED(main), struct ID *id, void *arg)
{
PyObject *cb_list = py_cb_array[GET_INT_FROM_POINTER(arg)];
Py_ssize_t cb_list_len;
if ((cb_list_len = PyList_GET_SIZE(cb_list)) > 0) {
if (PyList_GET_SIZE(cb_list) > 0) {
PyGILState_STATE gilstate = PyGILState_Ensure();
PyObject *args = PyTuple_New(1); // save python creating each call
@@ -299,8 +298,9 @@ void bpy_app_generic_callback(struct Main *UNUSED(main), struct ID *id, void *ar
Py_INCREF(Py_None);
}
// Iterate the list and run the callbacks
for (pos = 0; pos < cb_list_len; pos++) {
/* Iterate the list and run the callbacks
* note: don't store the list size since the scripts may remove themselves */
for (pos = 0; pos < PyList_GET_SIZE(cb_list); pos++) {
func = PyList_GET_ITEM(cb_list, pos);
ret = PyObject_Call(func, args, NULL);
if (ret == NULL) {