util: Add fn for creating YANG date-and-time string

1 files changed, 8 insertions, 0 deletions

diff --git a/ncserver/base/util.py b/ncserver/base/util.py
index cbeeed4..5df4704 100644
--- a/ncserver/base/util.py
+++ b/ncserver/base/util.py
@@ -11,6 +11,7 @@ SPDX-License-Identifier: NCSA
 """
 
 
+from datetime import datetime, timezone
 from netconf import error
 
 
@@ -45,6 +46,13 @@ def node_operation(node, def_op='merge') -> str:
     return node.attrib.get(nc11, node.attrib.get(nc10, def_op))
 
 
+def yang_dt_for_timestamp(timestamp) -> str:
+    """Provide a yang:date-and-time string for a given timestamp."""
+    now = datetime.now(timezone.utc)
+    zone = now.astimezone().tzinfo
+    return datetime.fromtimestamp(timestamp, tz=zone).isoformat()
+
+
 def _index_for_list_op(the_list: list, operation: str, insert_value) -> int:
     """Determine the index for a leaf-list insertion.