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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"validation failed: Missing required element \"content-id\" in \"yang-library\".","articleBody":"Hi,\r\n\r\nI am trying to build a data tree based on the example that you have provided. I can load the schema, but I was not able to create a data tree. I am getting an error: \"libyang.util.LibyangError: validation failed: Missing required element \"content-id\" in \"yang-library\".\r\n\r\nAny pointer is much appreciated. \r\n\r\n\u003e\u003e\u003e ctx = libyang.Context()\r\n\u003e\u003e\u003e module = ctx.parse_module_str('''\r\n... module example {\r\n...    namespace \"urn:example\";\r\n...    prefix \"ex\";\r\n...    container data {\r\n...      list interface {\r\n...        key name;\r\n...        leaf name {\r\n...          type string;\r\n...        }\r\n...        leaf address {\r\n...          type string;\r\n...        }\r\n...      }\r\n...      leaf hostname {\r\n...        type string;\r\n...      }\r\n...    }\r\n...  }\r\n...  ''')\r\n\u003e\u003e\u003e \r\n\u003e\u003e\u003e \r\n\u003e\u003e\u003e print(module.print_mem('tree'))\r\nmodule: example\r\n  +--rw data\r\n     +--rw interface* [name]\r\n     |  +--rw name       string\r\n     |  +--rw address?   string\r\n     +--rw hostname?    string\r\n\r\n\u003e\u003e\u003e \r\n\u003e\u003e\u003e node = module.parse_data_dict({\r\n...     'data': {\r\n...         'hostname': 'foobar',\r\n...         'interface': [\r\n...             {'name': 'eth0', 'address': '1.2.3.4/24'},\r\n...             {'name': 'lo', 'address': '127.0.0.1'},\r\n...         ],\r\n...     },\r\n... })\r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 6, in \u003cmodule\u003e\r\n  File \"/home/gwieser/libyang-python-test01/venv/lib/python3.6/site-packages/libyang/schema.py\", line 190, in parse_data_dict\r\n    validate=validate,\r\n  File \"/home/gwieser/libyang-python-test01/venv/lib/python3.6/site-packages/libyang/data.py\", line 903, in dict_to_dnode\r\n    no_yanglib=no_yanglib,\r\n  File \"/home/gwieser/libyang-python-test01/venv/lib/python3.6/site-packages/libyang/data.py\", line 282, in validate\r\n    raise self.context.error(\"validation failed\")\r\nlibyang.util.LibyangError: validation failed: Missing required element \"content-id\" in \"yang-library\".\r\n\u003e\u003e\u003e \r\n\u003e\u003e\u003e \r\n\u003e\u003e\u003e ","author":{"url":"https://github.com/gwieser1234","@type":"Person","name":"gwieser1234"},"datePublished":"2021-03-24T19:43:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":7},"url":"https://github.com/21/libyang-python/issues/21"}