ynl/pyynl/cli.py

2 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
5 import json
23         raise Exception(f"Schema directory {schema_dir} does not exist")
33 class YnlEncoder(json.JSONEncoder):
39         return json.JSONEncoder.default(self, obj)
44     YNL CLI utility - a general purpose netlink utility that uses YAML
48     The --multi option can be repeated to include several do operations
55     spec_group.add_argument('--family', dest='family', type=str,
57     spec_group.add_argument('--list-families', action='store_true',
59     spec_group.add_argument('--spec', dest='spec', type=str,
62     parser.add_argument('--schema', dest='schema', type=str)
63     parser.add_argument('--no-schema', action='store_true')
64     parser.add_argument('--json', dest='json_text', type=str)
67     group.add_argument('--do', dest='do', metavar='DO-OPERATION', type=str)
68     group.add_argument('--multi', dest='multi', nargs=2, action='append',
69                        metavar=('DO-OPERATION', 'JSON_TEXT'), type=str)
70     group.add_argument('--dump', dest='dump', metavar='DUMP-OPERATION', type=str)
71     group.add_argument('--list-ops', action='store_true')
72     group.add_argument('--list-msgs', action='store_true')
74     parser.add_argument('--duration', dest='duration', type=int,
76     parser.add_argument('--sleep', dest='duration', type=int,
78     parser.add_argument('--subscribe', dest='ntf', type=str)
79     parser.add_argument('--replace', dest='flags', action='append_const',
81     parser.add_argument('--excl', dest='flags', action='append_const',
83     parser.add_argument('--create', dest='flags', action='append_const',
85     parser.add_argument('--append', dest='flags', action='append_const',
87     parser.add_argument('--process-unknown', action=argparse.BooleanOptionalAction)
88     parser.add_argument('--output-json', action='store_true')
89     parser.add_argument('--dbg-small-recv', default=0, const=4000,
95             print(json.dumps(msg, cls=YnlEncoder))
106         args.schema = ''
110         attrs = json.loads(args.json_text)
114         if args.schema is None and spec.startswith(sys_schema_dir):
115             args.schema = '' # disable schema validation when installed
121     ynl = YnlFamily(spec, args.schema, args.process_unknown,
144             ops = [ (item[0], json.loads(item[1]), args.flags or []) for item in args.multi ]