added more error handling in getTAG.

diff --git a/lib/python/tag.c b/lib/python/tag.c
index 9a53b58..94294be 100644 (file)
--- a/lib/python/tag.c
+++ b/lib/python/tag.c
@@ -251,6 +251,9 @@ TAG* tag_getTAG(PyObject*self, TAG*prevTag, PyObject*tagmap)
            }
            //int newid = tagmap_obj2id(tag->internals.tagmap, obj);
            int newid = tagmap_obj2id(tagmap, obj);
+           if(newid<0) {
+               PyErr_SetString(PyExc_Exception, setError("Unknown object %08x", obj));return 0;
+           }
            mylog(" %08x(%d) tag_getTAG: dependency %d) %d->%08x -> assigning(%08x) id %d", (int)self, self->ob_refcnt, i, id, obj, tagmap, newid);
            PUT16(&t->data[positions[i]], newid);
        }