tiramisu/tiramisu/option/dynoptiondescription.py

108 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
# Copyright (C) 2017-2020 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
# ____________________________________________________________
import re
from typing import List, Callable
from itertools import chain
from ..autolib import ParamOption
from ..i18n import _
from .optiondescription import OptionDescription
from .baseoption import BaseOption
from ..setting import OptionBag, ConfigBag, groups, undefined
from ..error import ConfigError
from ..autolib import Calculation
NAME_REGEXP = re.compile(r'^[a-zA-Z\d\-_]*$')
class DynOptionDescription(OptionDescription):
__slots__ = ('_suffixes',)
def __init__(self,
name: str,
doc: str,
children: List[BaseOption],
suffixes: Calculation,
properties=None) -> None:
super().__init__(name,
doc,
children,
properties)
# check children + set relation to this dynoptiondescription
for child in children:
if isinstance(child, OptionDescription):
if __debug__ and child.impl_get_group_type() != groups.leadership:
raise ConfigError(_('cannot set optiondescription in a '
'dynoptiondescription'))
for chld in child._children[1]:
chld._setsubdyn(self)
if __debug__ and child.impl_is_symlinkoption():
raise ConfigError(_('cannot set symlinkoption in a '
'dynoptiondescription'))
child._setsubdyn(self)
# add suffixes
if __debug__ and not isinstance(suffixes, Calculation):
raise ConfigError(_('suffixes in dynoptiondescription has to be a calculation'))
for param in chain(suffixes.params.args, suffixes.params.kwargs.values()):
if isinstance(param, ParamOption):
param.option._add_dependency(self)
self._suffixes = suffixes
def convert_suffix_to_path(self,
suffix):
return suffix
async def get_suffixes(self,
config_bag: ConfigBag) -> List[str]:
option_bag = OptionBag()
option_bag.set_option(self,
None,
config_bag)
values = await self._suffixes.execute(option_bag)
if __debug__:
if not isinstance(values, list):
raise ValueError(_('DynOptionDescription suffixes for option "{}", is not a list ({})'
'').format(self.impl_get_display_name(), values))
values_ = []
for val in values:
val = self.convert_suffix_to_path(val)
if not isinstance(val, str) or re.match(NAME_REGEXP, val) is None:
if val is not None:
raise ValueError(_('invalid suffix "{}" for option "{}"'
'').format(val,
self.impl_get_display_name()))
else:
values_.append(val)
if len(values_) > len(set(values_)):
extra_values = values_.copy()
for val in set(values_):
extra_values.remove(val)
raise ValueError(_('DynOptionDescription suffixes return a list with multiple value '
'"{}"''').format(extra_values))
values = values_
return values
def impl_is_dynoptiondescription(self) -> bool:
return True