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# Copyright 2020-2023 VyOS maintainers and contributors <maintainers@vyos.io>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
def _mangle_dict_keys(data, regex, replacement, abs_path=[], no_tag_node_value_mangle=False, mod=0):
""" Mangles dict keys according to a regex and replacement character.
Some libraries like Jinja2 do not like certain characters in dict keys.
This function can be used for replacing all offending characters
with something acceptable.
Args:
data (dict): Original dict to mangle
Returns: dict
"""
import re
from vyos.xml import is_tag
new_dict = {}
for key in data.keys():
save_mod = mod
save_path = abs_path[:]
abs_path.append(key)
if not is_tag(abs_path):
new_key = re.sub(regex, replacement, key)
else:
if mod%2:
new_key = key
else:
new_key = re.sub(regex, replacement, key)
if no_tag_node_value_mangle:
mod += 1
value = data[key]
if isinstance(value, dict):
new_dict[new_key] = _mangle_dict_keys(value, regex, replacement, abs_path=abs_path, mod=mod, no_tag_node_value_mangle=no_tag_node_value_mangle)
else:
new_dict[new_key] = value
mod = save_mod
abs_path = save_path[:]
return new_dict
def mangle_dict_keys(data, regex, replacement, abs_path=[], no_tag_node_value_mangle=False):
return _mangle_dict_keys(data, regex, replacement, abs_path=abs_path, no_tag_node_value_mangle=no_tag_node_value_mangle, mod=0)
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