schema: Fix of SLeafList defaults API

libyang/schema.py

@@ -1364,18 +1364,15 @@ def type(self) -> Type:
     def defaults(self) -> Iterator[Union[None, bool, int, str, float]]:
         if self.cdata_leaflist.dflts == ffi.NULL:
             return
-        arr_length = ffi.cast("uint64_t *", self.cdata_leaflist.dflts)[-1]
-        for i in range(arr_length):
-            val = lib.lyd_value_get_canonical(
-                self.context.cdata, self.cdata_leaflist.dflts[i]
-            )
+        for dflt in ly_array_iter(self.cdata_leaflist.dflts):
+            val = lib.lyd_value_get_canonical(self.context.cdata, dflt)
             if not val:
                 yield None
             val = c2str(val)
-            val_type = Type(self.context, self.cdata_leaflist.dflts[i].realtype, None)
-            if val_type == Type.BOOL:
+            val_type = Type(self.context, dflt.realtype, None)
+            if val_type.base() == Type.BOOL:
                 yield val == "true"
-            elif val_type in Type.NUM_TYPES:
+            elif val_type.base() in Type.NUM_TYPES:
                 yield int(val)
             elif val_type.base() == Type.DEC64:
                 yield float(val)

tests/test_schema.py

@@ -575,6 +575,12 @@ def test_leaflist_defaults(self):
         leaflist = next(self.ctx.find_path("/yolo-nodetypes:conf/ratios"))
         for d in leaflist.defaults():
             self.assertIsInstance(d, float)
+        leaflist = next(self.ctx.find_path("/yolo-nodetypes:conf/bools"))
+        for d in leaflist.defaults():
+            self.assertIsInstance(d, bool)
+        leaflist = next(self.ctx.find_path("/yolo-nodetypes:conf/integers"))
+        for d in leaflist.defaults():
+            self.assertIsInstance(d, int)
 
     def test_leaf_list_min_max(self):
         leaflist1 = next(self.ctx.find_path("/yolo-nodetypes:conf/leaf-list1"))

tests/yang/yolo/yolo-nodetypes.yang

@@ -44,6 +44,17 @@ module yolo-nodetypes {
       default 2.6;
     }
 
+    leaf-list bools {
+      type boolean;
+      default true;
+    }
+
+    leaf-list integers {
+      type uint32;
+      default 10;
+      default 20;
+    }
+
     list list1 {
       key leaf1;
       unique "leaf2 leaf3";