Make sure python compares/hashes panes properly.

Two python objects for the same pane must compare and hash the same.

Signed-off-by: NeilBrown <neil@brown.name>

diff --git a/lang-python.c b/lang-python.c
index 2714bb3cf7a89a64420952dcfeb8ac5e9f6b795c..17dee29afcf442f0f918380deb057ab25e765985 100644 (file)
--- a/lang-python.c
+++ b/lang-python.c
@@ -376,6 +376,16 @@ static PyObject *pane_repr(Pane *p)
        return Py_BuildValue("s", buf);
 }
 
+static long pane_hash(Pane *p)
+{
+       return (long)p->pane;
+}
+
+static long pane_cmp(Pane *p1, Pane *p2)
+{
+       return (long)p1->pane - (long)p2->pane;
+}
+
 static PyGetSetDef pane_getseters[] = {
     {"x",
      (getter)pane_getnum, (setter)pane_setnum,
@@ -417,12 +427,12 @@ static PyTypeObject PaneType = {
     0,                         /*tp_print*/
     0,                         /*tp_getattr*/
     0,                         /*tp_setattr*/
-    0,                         /*tp_compare*/
+    (cmpfunc)pane_cmp,         /*tp_compare*/
     (reprfunc)pane_repr,       /*tp_repr*/
     0,                         /*tp_as_number*/
     0,                         /*tp_as_sequence*/
     0,                         /*tp_as_mapping*/
-    0,                         /*tp_hash */
+    (hashfunc)pane_hash,       /*tp_hash */
     0,                         /*tp_call*/
     0,                         /*tp_str*/
     0,                         /*tp_getattro*/