tiramisu/tiramisu/option/ipoption.py

93 lines
3.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2017-2026 Team tiramisu (see AUTHORS for all contributors)
#
# This program 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 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# The original `Config` design model is unproudly borrowed from
# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
# the whole pypy projet is under MIT licence
# ____________________________________________________________
"""IPOption
"""
from ipaddress import ip_address, ip_interface
from ..i18n import _
from .stroption import StrOption
class IPOption(StrOption):
"""represents the choice of an ip"""
__slots__ = tuple()
_type = "IP"
_t_type = _("IP")
def __init__(
self,
*args,
private_only=False,
allow_reserved=False,
cidr=False,
extra=None,
**kwargs,
):
if extra is None:
extra = {}
extra["private_only"] = private_only
extra["allow_reserved"] = allow_reserved
extra["cidr"] = cidr
super().__init__(*args, extra=extra, **kwargs)
def _validate_cidr(self, value):
try:
ip_obj = ip_interface(value)
except ValueError as err:
raise ValueError() from err
self._second_level_cidr(ip_obj)
def _second_level_cidr(self, ip_obj):
if ip_obj.ip == ip_obj.network.network_address:
raise ValueError(_("it's in fact a network address"))
if ip_obj.ip == ip_obj.network.broadcast_address:
raise ValueError(_("it's in fact a broacast address"))
def _validate_ip(self, value):
try:
str(ip_address(value))
except ValueError as err:
raise ValueError() from err
def validate(self, value: str) -> None:
super().validate(value)
if self.impl_get_extra("cidr"):
if "/" not in value:
raise ValueError(_('CIDR address must have a "/"'))
self._validate_cidr(value)
else:
self._validate_ip(value)
def second_level_validation(self, value: str, warnings_only: bool) -> None:
ip_obj = ip_interface(value)
if not self.impl_get_extra("allow_reserved") and ip_obj.is_reserved:
if warnings_only:
msg = _("shouldn't be reserved IP")
else:
msg = _("mustn't be reserved IP")
raise ValueError(msg)
if self.impl_get_extra("private_only") and not ip_obj.is_private:
if warnings_only:
msg = _("should be private IP")
else:
msg = _("must be private IP")
raise ValueError(msg)