Source code for mailman_pgp.config.validator
# Copyright (C) 2017 Jan Jancar
#
# This file is a part of the Mailman PGP plugin.
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# 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/>.
"""Config validation."""
from configparser import ConfigParser
[docs]class ConfigValidator:
"""Validates a ConfigParser object against a schema."""
def __init__(self, schema):
self.schema = ConfigParser()
self.schema.read_string(schema)
[docs] def validate(self, cfg):
"""
:param cfg:
:type cfg: ConfigParser
"""
errors = []
additional_sections = set(cfg.sections()).difference(
self.schema.sections())
if len(additional_sections) > 0:
errors.append(
'Additional sections: {}'.format(additional_sections))
for section in self.schema.sections():
if not cfg.has_section(section):
errors.append('Missing config section: {}'.format(section))
continue
for option in self.schema.options(section):
if not cfg.has_option(section, option):
errors.append(
'Missing config option {} in {}'.format(option,
section))
additional_options = set(cfg.options(section)).difference(
self.schema.options(section))
if len(additional_options) > 0:
errors.append(
'Additional options: {}'.format(additional_options))
if len(errors) > 0:
raise ValueError(errors)