plugin: remove 'node_get_list_element'

The new yaml API is able of getting these access with the same error
messages handling.

Having this helper is therefore not useful anymore.

1 files changed, 1 insertions, 37 deletions

diff --git a/src/buildstream/plugin.py b/src/buildstream/plugin.py
index 787b414cf..47b97441d 100644
--- a/src/buildstream/plugin.py
+++ b/src/buildstream/plugin.py
@@ -281,8 +281,7 @@ class Plugin():
         data and store it.
 
         Plugins should use the :func:`Plugin.node_get_member() <buildstream.plugin.Plugin.node_get_member>`
-        and :func:`Plugin.node_get_list_element() <buildstream.plugin.Plugin.node_get_list_element>`
-        methods to fetch values from the passed `node`. This will ensure that a nice human readable error
+        method to fetch values from the passed `node`. This will ensure that a nice human readable error
         message will be raised if the expected configuration is not found, indicating the filename,
         line and column numbers.
 
@@ -529,41 +528,6 @@ class Plugin():
         """
         _yaml.node_validate(node, valid_keys)
 
-    def node_get_list_element(self, node, expected_type, member_name, indices):
-        """Fetch the value of a list element from a node member, raising an error if the
-        value is incorrectly typed.
-
-        Args:
-           node (dict): A dictionary loaded from YAML
-           expected_type (type): The expected type of the node member
-           member_name (str): The name of the member to fetch
-           indices (list of int): List of indices to search, in case of nested lists
-
-        Returns:
-           The value of the list element in *member_name* at the specified *indices*
-
-        Raises:
-           :class:`.LoadError`
-
-        Note:
-           Returned strings are stripped of leading and trailing whitespace
-
-        **Example:**
-
-        .. code:: python
-
-          # Fetch the list itself
-          things = self.node_get_member(node, list, 'things')
-
-          # Iterate over the list indices
-          for i in range(len(things)):
-
-              # Fetch dict things
-              thing = self.node_get_list_element(
-                  node, dict, 'things', [ i ])
-        """
-        return _yaml.node_get(node, expected_type, member_name, indices=indices)
-
     def debug(self, brief, *, detail=None):
         """Print a debugging message