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generate_cache.py
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generate_cache.py
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#!/usr/bin/env python3
#
# Copyright (C) 2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#
import sys
import json
import argparse
from os.path import join
from os.path import abspath
from os.path import dirname
from xmltodict import parse
_here = dirname(__file__)
sys.path.append(join(_here, '..'))
from configtree import reference_tree_to_json, ConfigTreeError
xml_cache = abspath(join(_here, 'cache.py'))
xml_cache_json = 'xml_cache.json'
xml_tmp = join('/tmp', xml_cache_json)
node_data_fields = ("node_type", "multi", "valueless", "default_value")
def trim_node_data(cache: dict):
for k in list(cache):
if k == "node_data":
for l in list(cache[k]):
if l not in node_data_fields:
del cache[k][l]
else:
if isinstance(cache[k], dict):
trim_node_data(cache[k])
def main():
parser = argparse.ArgumentParser(description='generate and save dict from xml defintions')
parser.add_argument('--xml-dir', type=str, required=True,
help='transcluded xml interface-definition directory')
parser.add_argument('--save-json-dir', type=str,
help='directory to save json cache if needed')
args = parser.parse_args()
xml_dir = abspath(args.xml_dir)
save_dir = abspath(args.save_json_dir) if args.save_json_dir else None
try:
reference_tree_to_json(xml_dir, xml_tmp)
except ConfigTreeError as e:
print(e)
sys.exit(1)
with open(xml_tmp) as f:
d = json.loads(f.read())
trim_node_data(d)
if save_dir is not None:
save_file = join(save_dir, xml_cache_json)
with open(save_file, 'w') as f:
f.write(json.dumps(d))
syntax_version = join(xml_dir, 'xml-component-version.xml')
with open(syntax_version) as f:
content = f.read()
parsed = parse(content)
converted = parsed['interfaceDefinition']['syntaxVersion']
version = {}
for i in converted:
tmp = {i['@component']: i['@version']}
version |= tmp
version = {"component_version": version}
d |= version
with open(xml_cache, 'w') as f:
f.write(f'reference = {str(d)}')
if __name__ == '__main__':
main()

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generate_cache.py (2 KB)

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