data: fix merge operation

lyd_merge_* functions may modify the passed dnode pointer. Make sure to update the self.cdata pointer after the operation. Fixes: #49 Signed-off-by: Bill Stephens <[email protected]>
CESNET · Sep 19, 2023 · bff1462 · bff1462
1 parent ef885cc
commit bff1462
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/libyang/data.py b/libyang/data.py
@@ -552,6 +552,8 @@ def merge(
         if ret != lib.LY_SUCCESS:
             raise self.context.error("merge failed")
 
+        self.cdata = node_p[0]
+
     def iter_tree(self) -> Iterator["DNode"]:
         n = next_n = self.cdata
         while n != ffi.NULL: