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# Copyright 2025 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/>.
#
#
import tempfile
import shutil
from vyos.proto import vyconf_client
from vyos.migrate import ConfigMigrate
from vyos.migrate import ConfigMigrateError
from vyos.component_version import append_system_version
def output(o):
out = ''
for res in (o.output, o.error, o.warning):
if res is not None:
out = out + res
return out
class VyconfSession:
def __init__(self, token: str = None):
if token is None:
out = vyconf_client.send_request('setup_session')
self.__token = out.output
else:
self.__token = token
def set(self, path: list[str]) -> tuple[str, int]:
out = vyconf_client.send_request('set', token=self.__token, path=path)
return output(out), out.status
def delete(self, path: list[str]) -> tuple[str, int]:
out = vyconf_client.send_request('delete', token=self.__token, path=path)
return output(out), out.status
def commit(self) -> tuple[str, int]:
out = vyconf_client.send_request('commit', token=self.__token)
return output(out), out.status
def discard(self) -> tuple[str, int]:
out = vyconf_client.send_request('discard', token=self.__token)
return output(out), out.status
def session_changed(self) -> bool:
out = vyconf_client.send_request('session_changed', token=self.__token)
return not bool(out.status)
def load_config(self, file: str, migrate: bool = False) -> tuple[str, int]:
# pylint: disable=consider-using-with
if migrate:
tmp = tempfile.NamedTemporaryFile()
shutil.copy2(file, tmp.name)
config_migrate = ConfigMigrate(tmp.name)
try:
config_migrate.run()
except ConfigMigrateError as e:
tmp.close()
return repr(e), 1
file = tmp.name
else:
tmp = ''
out = vyconf_client.send_request('load', token=self.__token, location=file)
if tmp:
tmp.close()
return output(out), out.status
def save_config(self, file: str, append_version: bool = False) -> tuple[str, int]:
out = vyconf_client.send_request('save', token=self.__token, location=file)
if append_version:
append_system_version(file)
return output(out), out.status
def show_config(self, path: list[str] = None) -> tuple[str, int]:
if path is None:
path = []
out = vyconf_client.send_request('show_config', token=self.__token, path=path)
return output(out), out.status
def __del__(self):
out = vyconf_client.send_request('teardown', token=self.__token)
if out.status:
print(f'Could not tear down session {self.__token}: {output(out)}')
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