95 lines
3.3 KiB
Python
95 lines
3.3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2017-2021 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_interface
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from ..error import ConfigError
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from ..setting import undefined, Undefined, OptionBag
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from ..i18n import _
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from .option import Option
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from .stroption import StrOption
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from ..function import valid_ip_netmask
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class IPOption(StrOption):
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"represents the choice of an ip"
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__slots__ = tuple()
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_type = 'ip'
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_display_name = _('IP')
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def __init__(self,
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*args,
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private_only=False,
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allow_reserved=False,
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cidr=False,
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extra=None,
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**kwargs):
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if extra is None:
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extra = {}
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extra['_private_only'] = private_only
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extra['_allow_reserved'] = allow_reserved
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extra['_cidr'] = cidr
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super().__init__(*args,
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extra=extra,
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**kwargs)
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def _validate_cidr(self, value):
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try:
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ip = ip_interface(value)
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except ValueError:
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raise ValueError()
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if ip.ip == ip.network.network_address:
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raise ValueError(_("it's in fact a network address"))
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elif ip.ip == ip.network.broadcast_address:
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raise ValueError(_("it's in fact a broacast address"))
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def _validate_ip(self, value):
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try:
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new_value = str(ip_address(value))
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if value != new_value:
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raise ValueError(f'should be {new_value}')
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except ValueError:
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raise ValueError()
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def validate(self,
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value: str) -> None:
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super().validate(value)
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if self.impl_get_extra('_cidr'):
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self._validate_cidr(value)
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else:
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self._validate_ip(value)
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def second_level_validation(self,
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value: str,
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warnings_only: bool) -> None:
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ip = ip_interface(value)
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if not self.impl_get_extra('_allow_reserved') and ip.is_reserved:
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if warnings_only:
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msg = _("shouldn't be reserved IP")
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else:
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msg = _("mustn't be reserved IP")
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raise ValueError(msg)
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if self.impl_get_extra('_private_only') and not ip.is_private:
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if warnings_only:
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msg = _("should be private IP")
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else:
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msg = _("must be private IP")
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raise ValueError(msg)
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