T7969: expose boolean test value_exists

1 files changed, 14 insertions, 0 deletions

diff --git a/python/vyos/configtree.py b/python/vyos/configtree.py
index aeeb329c5..21b37e638 100644
--- a/python/vyos/configtree.py
+++ b/python/vyos/configtree.py
@@ -145,6 +145,10 @@ class ConfigTree(object):
         self.__exists.argtypes = [c_void_p, c_char_p]
         self.__exists.restype = c_int
 
+        self.__value_exists = self.__lib.value_exists
+        self.__value_exists.argtypes = [c_void_p, c_char_p, c_char_p]
+        self.__value_exists.restype = c_int
+
         self.__list_nodes = self.__lib.list_nodes
         self.__list_nodes.argtypes = [c_void_p, c_char_p]
         self.__list_nodes.restype = c_char_p
@@ -361,6 +365,16 @@ class ConfigTree(object):
         else:
             return True
 
+    def value_exists(self, path, value):
+        check_path(path)
+        path_str = ' '.join(map(str, path)).encode()
+
+        res = self.__value_exists(self.__config, path_str, value)
+        if res == 0:
+            return False
+        else:
+            return True
+
     def list_nodes(self, path, path_must_exist=True):
         check_path(path)
         path_str = ' '.join(map(str, path)).encode()