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#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
import argparse
import json
import pprint
import time
from lib import YnlFamily, Netlink
class YnlEncoder(json.JSONEncoder):
def default(self, obj):
if isinstance(obj, bytes):
return bytes.hex(obj)
if isinstance(obj, set):
return list(obj)
return json.JSONEncoder.default(self, obj)
def main():
parser = argparse.ArgumentParser(description='YNL CLI sample')
parser.add_argument('--spec', dest='spec', type=str, required=True)
parser.add_argument('--schema', dest='schema', type=str)
parser.add_argument('--no-schema', action='store_true')
parser.add_argument('--json', dest='json_text', type=str)
parser.add_argument('--do', dest='do', type=str)
parser.add_argument('--dump', dest='dump', type=str)
parser.add_argument('--sleep', dest='sleep', type=int)
parser.add_argument('--subscribe', dest='ntf', type=str)
parser.add_argument('--replace', dest='flags', action='append_const',
const=Netlink.NLM_F_REPLACE)
parser.add_argument('--excl', dest='flags', action='append_const',
const=Netlink.NLM_F_EXCL)
parser.add_argument('--create', dest='flags', action='append_const',
const=Netlink.NLM_F_CREATE)
parser.add_argument('--append', dest='flags', action='append_const',
const=Netlink.NLM_F_APPEND)
parser.add_argument('--process-unknown', action=argparse.BooleanOptionalAction)
parser.add_argument('--output-json', action='store_true')
args = parser.parse_args()
def output(msg):
if args.output_json:
print(json.dumps(msg, cls=YnlEncoder))
else:
pprint.PrettyPrinter().pprint(msg)
if args.no_schema:
args.schema = ''
attrs = {}
if args.json_text:
attrs = json.loads(args.json_text)
ynl = YnlFamily(args.spec, args.schema, args.process_unknown)
if args.ntf:
ynl.ntf_subscribe(args.ntf)
if args.sleep:
time.sleep(args.sleep)
if args.do:
reply = ynl.do(args.do, attrs, args.flags)
output(reply)
if args.dump:
reply = ynl.dump(args.dump, attrs)
output(reply)
if args.ntf:
ynl.check_ntf()
output(ynl.async_msg_queue)
if __name__ == "__main__":
main()
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