95 lines
3.4 KiB
Python
95 lines
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2017-2019 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# The original `Config` design model is unproudly borrowed from
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# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
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# the whole pypy projet is under MIT licence
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# ____________________________________________________________
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from ipaddress import ip_address, ip_network, IPv4Network
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from ..setting import undefined
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from ..i18n import _
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from .option import Option
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class NetworkOption(Option):
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"represents the choice of a network"
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__slots__ = tuple()
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_display_name = _('network address')
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def __init__(self,
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name,
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doc,
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default=None,
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default_multi=None,
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requires=None,
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multi=False,
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callback=None,
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callback_params=None,
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validator=None,
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validator_params=None,
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properties=None,
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warnings_only=False,
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cidr=False):
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extra = {'_cidr': cidr}
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super().__init__(name,
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doc,
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default=default,
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default_multi=default_multi,
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callback=callback,
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callback_params=callback_params,
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requires=requires,
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multi=multi,
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validator=validator,
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validator_params=validator_params,
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properties=properties,
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warnings_only=warnings_only,
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extra=extra)
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def _validate(self,
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value,
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*args,
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**kwargs):
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if not isinstance(value, str):
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raise ValueError(_('invalid string'))
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if value.count('.') != 3:
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raise ValueError()
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cidr = self.impl_get_extra('_cidr')
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if cidr:
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if '/' not in value:
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raise ValueError(_('must use CIDR notation'))
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value_ = value.split('/')[0]
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else:
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value_ = value
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for val in value_.split('.'):
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if val.startswith("0") and len(val) > 1:
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raise ValueError()
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try:
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if not isinstance(ip_network(value), IPv4Network):
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raise ValueError()
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except ValueError:
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raise ValueError()
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def _second_level_validation(self,
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value,
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warnings_only):
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if ip_network(value).network_address.is_reserved:
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if warnings_only:
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msg = _("shouldn't be reserved network")
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else:
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msg = _("mustn't be reserved network")
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raise ValueError(msg)
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