1398 lines
57 KiB
Python
1398 lines
57 KiB
Python
# -*- coding: utf-8 -*-
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"option types and option description"
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# Copyright (C) 2012-2013 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
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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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import re
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import sys
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from copy import copy, deepcopy
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from types import FunctionType
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from IPy import IP
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import warnings
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from tiramisu.error import ConfigError, ConflictError, ValueWarning
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from tiramisu.setting import groups, multitypes
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from tiramisu.i18n import _
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from tiramisu.autolib import carry_out_calculation
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name_regexp = re.compile(r'^\d+')
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forbidden_names = ('iter_all', 'iter_group', 'find', 'find_first',
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'make_dict', 'unwrap_from_path', 'read_only',
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'read_write', 'getowner', 'set_contexts')
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def valid_name(name):
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"an option's name is a str and does not start with 'impl' or 'cfgimpl'"
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try:
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name = str(name)
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except:
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return False
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if re.match(name_regexp, name) is None and not name.startswith('_') \
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and name not in forbidden_names \
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and not name.startswith('impl_') \
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and not name.startswith('cfgimpl_'):
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return True
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else:
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return False
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#____________________________________________________________
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#
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class BaseOption(object):
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"""This abstract base class stands for attribute access
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in options that have to be set only once, it is of course done in the
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__setattr__ method
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"""
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__slots__ = ('_name', '_requires', '_properties', '_readonly',
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'_consistencies', '_calc_properties', '_impl_informations',
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'_state_consistencies', '_state_readonly', '_state_requires',
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'_stated')
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def __init__(self, name, doc, requires, properties):
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if not valid_name(name):
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raise ValueError(_("invalid name: {0} for option").format(name))
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self._name = name
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self._impl_informations = {}
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self.impl_set_information('doc', doc)
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self._calc_properties, self._requires = validate_requires_arg(
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requires, self._name)
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self._consistencies = None
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if properties is None:
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properties = tuple()
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if not isinstance(properties, tuple):
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raise TypeError(_('invalid properties type {0} for {1},'
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' must be a tuple').format(
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type(properties),
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self._name))
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if self._calc_properties is not None and properties is not tuple():
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set_forbidden_properties = set(properties) & self._calc_properties
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if set_forbidden_properties != frozenset():
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raise ValueError('conflict: properties already set in '
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'requirement {0}'.format(
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list(set_forbidden_properties)))
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self._properties = properties # 'hidden', 'disabled'...
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def __setattr__(self, name, value):
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"""set once and only once some attributes in the option,
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like `_name`. `_name` cannot be changed one the option and
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pushed in the :class:`tiramisu.option.OptionDescription`.
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if the attribute `_readonly` is set to `True`, the option is
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"frozen" (which has noting to do with the high level "freeze"
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propertie or "read_only" property)
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"""
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if not name.startswith('_state') and name not in ('_cache_paths',
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'_consistencies'):
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is_readonly = False
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# never change _name
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if name == '_name':
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try:
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self._name
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#so _name is already set
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is_readonly = True
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except:
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pass
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try:
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if self._readonly is True:
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if value is True:
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# already readonly and try to re set readonly
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# don't raise, just exit
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return
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is_readonly = True
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except AttributeError:
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pass
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if is_readonly:
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raise AttributeError(_("'{0}' ({1}) object attribute '{2}' is"
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" read-only").format(
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self.__class__.__name__,
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self._name,
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name))
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object.__setattr__(self, name, value)
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# information
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def impl_set_information(self, key, value):
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"""updates the information's attribute
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(which is a dictionary)
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:param key: information's key (ex: "help", "doc"
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:param value: information's value (ex: "the help string")
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"""
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self._impl_informations[key] = value
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def impl_get_information(self, key, default=None):
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"""retrieves one information's item
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:param key: the item string (ex: "help")
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"""
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if key in self._impl_informations:
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return self._impl_informations[key]
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elif default is not None:
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return default
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else:
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raise ValueError(_("information's item not found: {0}").format(
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key))
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# serialize/unserialize
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def _impl_convert_consistencies(self, descr, load=False):
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"""during serialization process, many things have to be done.
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one of them is the localisation of the options.
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The paths are set once for all.
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:type descr: :class:`tiramisu.option.OptionDescription`
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:param load: `True` if we are at the init of the option description
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:type load: bool
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"""
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if not load and self._consistencies is None:
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self._state_consistencies = None
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elif load and self._state_consistencies is None:
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self._consistencies = None
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del(self._state_consistencies)
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else:
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if load:
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consistencies = self._state_consistencies
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else:
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consistencies = self._consistencies
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if isinstance(consistencies, list):
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new_value = []
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for consistency in consistencies:
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values = []
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for obj in consistency[1]:
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if load:
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values.append(descr.impl_get_opt_by_path(obj))
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else:
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values.append(descr.impl_get_path_by_opt(obj))
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new_value.append((consistency[0], tuple(values)))
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else:
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new_value = {}
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for key, _consistencies in consistencies.items():
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new_value[key] = []
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for key_cons, _cons in _consistencies:
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_list_cons = []
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for _con in _cons:
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if load:
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_list_cons.append(
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descr.impl_get_opt_by_path(_con))
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else:
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_list_cons.append(
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descr.impl_get_path_by_opt(_con))
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new_value[key].append((key_cons, tuple(_list_cons)))
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if load:
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del(self._state_consistencies)
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self._consistencies = new_value
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else:
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self._state_consistencies = new_value
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def _impl_convert_requires(self, descr, load=False):
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"""export of the requires during the serialization process
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:type descr: :class:`tiramisu.option.OptionDescription`
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:param load: `True` if we are at the init of the option description
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:type load: bool
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"""
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if not load and self._requires is None:
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self._state_requires = None
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elif load and self._state_requires is None:
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self._requires = None
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del(self._state_requires)
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else:
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if load:
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_requires = self._state_requires
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else:
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_requires = self._requires
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new_value = []
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for requires in _requires:
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new_requires = []
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for require in requires:
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if load:
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new_require = [descr.impl_get_opt_by_path(require[0])]
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else:
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new_require = [descr.impl_get_path_by_opt(require[0])]
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new_require.extend(require[1:])
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new_requires.append(tuple(new_require))
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new_value.append(tuple(new_requires))
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if load:
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del(self._state_requires)
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self._requires = new_value
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else:
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self._state_requires = new_value
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# serialize
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def _impl_getstate(self, descr):
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"""the under the hood stuff that need to be done
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before the serialization.
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:param descr: the parent :class:`tiramisu.option.OptionDescription`
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"""
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self._stated = True
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for func in dir(self):
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if func.startswith('_impl_convert_'):
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getattr(self, func)(descr)
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try:
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self._state_readonly = self._readonly
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except AttributeError:
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pass
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def __getstate__(self, stated=True):
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"""special method to enable the serialization with pickle
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Usualy, a `__getstate__` method does'nt need any parameter,
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but somme under the hood stuff need to be done before this action
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:parameter stated: if stated is `True`, the serialization protocol
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can be performed, not ready yet otherwise
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:parameter type: bool
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"""
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try:
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self._stated
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except AttributeError:
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raise SystemError(_('cannot serialize Option, '
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'only in OptionDescription'))
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slots = set()
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for subclass in self.__class__.__mro__:
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if subclass is not object:
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slots.update(subclass.__slots__)
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slots -= frozenset(['_cache_paths', '__weakref__'])
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states = {}
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for slot in slots:
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# remove variable if save variable converted
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# in _state_xxxx variable
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if '_state' + slot not in slots:
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if slot.startswith('_state'):
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# should exists
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states[slot] = getattr(self, slot)
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# remove _state_xxx variable
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self.__delattr__(slot)
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else:
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try:
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states[slot] = getattr(self, slot)
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except AttributeError:
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pass
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if not stated:
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del(states['_stated'])
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return states
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# unserialize
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def _impl_setstate(self, descr):
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"""the under the hood stuff that need to be done
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before the serialization.
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:type descr: :class:`tiramisu.option.OptionDescription`
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"""
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for func in dir(self):
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if func.startswith('_impl_convert_'):
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getattr(self, func)(descr, load=True)
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try:
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self._readonly = self._state_readonly
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del(self._state_readonly)
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del(self._stated)
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except AttributeError:
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pass
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def __setstate__(self, state):
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"""special method that enables us to serialize (pickle)
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Usualy, a `__setstate__` method does'nt need any parameter,
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but somme under the hood stuff need to be done before this action
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:parameter state: a dict is passed to the loads, it is the attributes
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of the options object
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:type state: dict
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"""
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for key, value in state.items():
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setattr(self, key, value)
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class Option(BaseOption):
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"""
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Abstract base class for configuration option's.
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Reminder: an Option object is **not** a container for the value.
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"""
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__slots__ = ('_multi', '_validator', '_default_multi', '_default',
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'_state_callback', '_callback', '_multitype',
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'_warnings_only', '_master_slaves', '__weakref__')
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_empty = ''
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def __init__(self, name, doc, default=None, default_multi=None,
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requires=None, multi=False, callback=None,
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callback_params=None, validator=None, validator_params=None,
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properties=None, warnings_only=False):
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"""
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:param name: the option's name
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:param doc: the option's description
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:param default: specifies the default value of the option,
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for a multi : ['bla', 'bla', 'bla']
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:param default_multi: 'bla' (used in case of a reset to default only at
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a given index)
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:param requires: is a list of names of options located anywhere
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in the configuration.
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:param multi: if true, the option's value is a list
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:param callback: the name of a function. If set, the function's output
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is responsible of the option's value
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:param callback_params: the callback's parameter
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:param validator: the name of a function which stands for a custom
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validation of the value
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:param validator_params: the validator's parameters
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:param properties: tuple of default properties
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:param warnings_only: _validator and _consistencies don't raise if True
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Values()._warning contain message
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"""
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super(Option, self).__init__(name, doc, requires, properties)
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self._multi = multi
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if validator is not None:
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validate_callback(validator, validator_params, 'validator')
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self._validator = (validator, validator_params)
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else:
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self._validator = None
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if not self._multi and default_multi is not None:
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raise ValueError(_("a default_multi is set whereas multi is False"
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" in option: {0}").format(name))
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if default_multi is not None:
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try:
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self._validate(default_multi)
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except ValueError as err:
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raise ValueError(_("invalid default_multi value {0} "
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"for option {1}: {2}").format(
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str(default_multi), name, err))
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if callback is not None and (default is not None or
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default_multi is not None):
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raise ValueError(_("default value not allowed if option: {0} "
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"is calculated").format(name))
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if callback is None and callback_params is not None:
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raise ValueError(_("params defined for a callback function but "
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"no callback defined"
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" yet for option {0}").format(name))
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if callback is not None:
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validate_callback(callback, callback_params, 'callback')
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self._callback = (callback, callback_params)
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else:
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self._callback = None
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if self._multi:
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if default is None:
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default = []
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self._multitype = multitypes.default
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self._default_multi = default_multi
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self._warnings_only = warnings_only
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self.impl_validate(default)
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self._default = default
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def _launch_consistency(self, func, right_opt, right_val, context, index,
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left_opts):
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if context is not None:
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descr = context.cfgimpl_get_description()
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#right_opt is also in left_opts
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if right_opt not in left_opts:
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raise ConfigError(_('right_opt not in left_opts'))
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left_vals = []
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for opt in left_opts:
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if right_opt == opt:
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value = right_val
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else:
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if context is not None:
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path = descr.impl_get_path_by_opt(opt)
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value = context._getattr(path, validate=False)
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else:
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value = opt.impl_getdefault()
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if index is None:
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#could be multi or not
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left_vals.append(value)
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else:
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#value is not already set, could be higher
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try:
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if right_opt == opt:
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val = value
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else:
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val = value[index]
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if val is None:
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#no value so no consistencies
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return
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left_vals.append(val)
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except IndexError:
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#so return if no value
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return
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if self.impl_is_multi():
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if index is None:
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for idx, right_v in enumerate(right_val):
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try:
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left_v = []
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for left_val in left_vals:
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left_v.append(left_val[idx])
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if None in left_v:
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continue
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except IndexError:
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continue
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getattr(self, func)(left_opts, left_v)
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else:
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if None in left_vals:
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return
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getattr(self, func)(left_opts, left_vals)
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else:
|
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if None in left_vals:
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return
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getattr(self, func)(left_opts, left_vals)
|
|
|
|
def impl_validate(self, value, context=None, validate=True,
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force_no_multi=False):
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"""
|
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:param value: the option's value
|
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:param context: Config's context
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|
:type context: :class:`tiramisu.config.Config`
|
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:param validate: if true enables ``self._validator`` validation
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|
:type validate: boolean
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:param force_no_multi: if multi, value has to be a list
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not if force_no_multi is True
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:type force_no_multi: boolean
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"""
|
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if not validate:
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return
|
|
|
|
def val_validator(val):
|
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if self._validator is not None:
|
|
if self._validator[1] is not None:
|
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validator_params = deepcopy(self._validator[1])
|
|
if '' in validator_params:
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lst = list(validator_params[''])
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lst.insert(0, val)
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validator_params[''] = tuple(lst)
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else:
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validator_params[''] = (val,)
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|
else:
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validator_params = {'': (val,)}
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# Raise ValueError if not valid
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carry_out_calculation(self._name, config=context,
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callback=self._validator[0],
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callback_params=validator_params)
|
|
|
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def do_validation(_value, _index=None):
|
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if _value is None:
|
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return
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# option validation
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self._validate(_value)
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try:
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# valid with self._validator
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val_validator(_value)
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# if not context launch consistency validation
|
|
if context is not None:
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descr._valid_consistency(self, _value, context, _index)
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self._second_level_validation(_value)
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except ValueError as err:
|
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msg = _("invalid value {0} for option {1}: {2}").format(
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_value, self._name, err)
|
|
if self._warnings_only:
|
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warnings.warn_explicit(ValueWarning(msg, self),
|
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ValueWarning,
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self.__class__.__name__, 0)
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|
else:
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raise ValueError(msg)
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|
|
# generic calculation
|
|
if context is not None:
|
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descr = context.cfgimpl_get_description()
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|
|
|
if not self._multi or force_no_multi:
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do_validation(value)
|
|
else:
|
|
if not isinstance(value, list):
|
|
raise ValueError(_("invalid value {0} for option {1} "
|
|
"which must be a list").format(value,
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self._name))
|
|
for index, val in enumerate(value):
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do_validation(val, index)
|
|
|
|
def impl_getdefault(self, default_multi=False):
|
|
"accessing the default value"
|
|
if not default_multi or not self.impl_is_multi():
|
|
return self._default
|
|
else:
|
|
return self.getdefault_multi()
|
|
|
|
def impl_getdefault_multi(self):
|
|
"accessing the default value for a multi"
|
|
return self._default_multi
|
|
|
|
def impl_get_multitype(self):
|
|
return self._multitype
|
|
|
|
def impl_get_master_slaves(self):
|
|
return self._master_slaves
|
|
|
|
def impl_is_empty_by_default(self):
|
|
"no default value has been set yet"
|
|
if ((not self.impl_is_multi() and self._default is None) or
|
|
(self.impl_is_multi() and (self._default == []
|
|
or None in self._default))):
|
|
return True
|
|
return False
|
|
|
|
def impl_getdoc(self):
|
|
"accesses the Option's doc"
|
|
return self.impl_get_information('doc')
|
|
|
|
def impl_has_callback(self):
|
|
"to know if a callback has been defined or not"
|
|
if self._callback is None:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
def impl_getkey(self, value):
|
|
return value
|
|
|
|
def impl_is_multi(self):
|
|
return self._multi
|
|
|
|
def impl_add_consistency(self, func, *left_opts):
|
|
if self._consistencies is None:
|
|
self._consistencies = []
|
|
for opt in left_opts:
|
|
if not isinstance(opt, Option):
|
|
raise ValueError(_('consistency should be set with an option'))
|
|
if self is opt:
|
|
raise ValueError(_('cannot add consistency with itself'))
|
|
if self.impl_is_multi() != opt.impl_is_multi():
|
|
raise ValueError(_('options in consistency should be multi in '
|
|
'two sides'))
|
|
func = '_cons_{0}'.format(func)
|
|
opts = tuple([self] + list(left_opts))
|
|
self._launch_consistency(func, self, self.impl_getdefault(), None,
|
|
None, opts)
|
|
self._consistencies.append((func, opts))
|
|
self.impl_validate(self.impl_getdefault())
|
|
|
|
def _cons_not_equal(self, opts, vals):
|
|
if len(opts) != 2:
|
|
raise ConfigError(_('invalid len for opts'))
|
|
if vals[0] == vals[1]:
|
|
raise ValueError(_("invalid value {0} for option {1} "
|
|
"must be different as {2} option"
|
|
"").format(vals[0], self._name, opts[1]._name))
|
|
|
|
def _impl_convert_callbacks(self, descr, load=False):
|
|
if not load and self._callback is None:
|
|
self._state_callback = None
|
|
elif load and self._state_callback is None:
|
|
self._callback = None
|
|
del(self._state_callback)
|
|
else:
|
|
if load:
|
|
callback, callback_params = self._state_callback
|
|
else:
|
|
callback, callback_params = self._callback
|
|
if callback_params is not None:
|
|
cllbck_prms = {}
|
|
for key, values in callback_params.items():
|
|
vls = []
|
|
for value in values:
|
|
if isinstance(value, tuple):
|
|
if load:
|
|
value = (descr.impl_get_opt_by_path(value[0]),
|
|
value[1])
|
|
else:
|
|
value = (descr.impl_get_path_by_opt(value[0]),
|
|
value[1])
|
|
vls.append(value)
|
|
cllbck_prms[key] = tuple(vls)
|
|
else:
|
|
cllbck_prms = None
|
|
|
|
if load:
|
|
del(self._state_callback)
|
|
self._callback = (callback, cllbck_prms)
|
|
else:
|
|
self._state_callback = (callback, cllbck_prms)
|
|
|
|
def _second_level_validation(self, value):
|
|
pass
|
|
|
|
|
|
class ChoiceOption(Option):
|
|
"""represents a choice out of several objects.
|
|
|
|
The option can also have the value ``None``
|
|
"""
|
|
|
|
__slots__ = ('_values', '_open_values')
|
|
_opt_type = 'string'
|
|
|
|
def __init__(self, name, doc, values, default=None, default_multi=None,
|
|
requires=None, multi=False, callback=None,
|
|
callback_params=None, open_values=False, validator=None,
|
|
validator_params=None, properties=None, warnings_only=False):
|
|
"""
|
|
:param values: is a list of values the option can possibly take
|
|
"""
|
|
if not isinstance(values, tuple):
|
|
raise TypeError(_('values must be a tuple for {0}').format(name))
|
|
self._values = values
|
|
if open_values not in (True, False):
|
|
raise TypeError(_('open_values must be a boolean for '
|
|
'{0}').format(name))
|
|
self._open_values = open_values
|
|
super(ChoiceOption, self).__init__(name, doc, default=default,
|
|
default_multi=default_multi,
|
|
callback=callback,
|
|
callback_params=callback_params,
|
|
requires=requires,
|
|
multi=multi,
|
|
validator=validator,
|
|
validator_params=validator_params,
|
|
properties=properties,
|
|
warnings_only=warnings_only)
|
|
|
|
def impl_get_values(self):
|
|
return self._values
|
|
|
|
def impl_is_openvalues(self):
|
|
return self._open_values
|
|
|
|
def _validate(self, value):
|
|
if not self._open_values and not value in self._values:
|
|
raise ValueError(_('value {0} is not permitted, '
|
|
'only {1} is allowed'
|
|
'').format(value, self._values))
|
|
|
|
|
|
class BoolOption(Option):
|
|
"represents a choice between ``True`` and ``False``"
|
|
__slots__ = tuple()
|
|
_opt_type = 'bool'
|
|
|
|
def _validate(self, value):
|
|
if not isinstance(value, bool):
|
|
raise ValueError(_('value must be a boolean'))
|
|
|
|
|
|
class IntOption(Option):
|
|
"represents a choice of an integer"
|
|
__slots__ = tuple()
|
|
_opt_type = 'int'
|
|
|
|
def _validate(self, value):
|
|
if not isinstance(value, int):
|
|
raise ValueError(_('value must be an integer'))
|
|
|
|
|
|
class FloatOption(Option):
|
|
"represents a choice of a floating point number"
|
|
__slots__ = tuple()
|
|
_opt_type = 'float'
|
|
|
|
def _validate(self, value):
|
|
if not isinstance(value, float):
|
|
raise ValueError(_('value must be a float'))
|
|
|
|
|
|
class StrOption(Option):
|
|
"represents the choice of a string"
|
|
__slots__ = tuple()
|
|
_opt_type = 'string'
|
|
|
|
def _validate(self, value):
|
|
if not isinstance(value, str):
|
|
raise ValueError(_('value must be a string, not '
|
|
'{0}').format(type(value)))
|
|
|
|
|
|
if sys.version_info[0] >= 3:
|
|
#UnicodeOption is same has StrOption in python 3+
|
|
class UnicodeOption(StrOption):
|
|
__slots__ = tuple()
|
|
pass
|
|
else:
|
|
class UnicodeOption(Option):
|
|
"represents the choice of a unicode string"
|
|
__slots__ = tuple()
|
|
_opt_type = 'unicode'
|
|
_empty = u''
|
|
|
|
def _validate(self, value):
|
|
if not isinstance(value, unicode):
|
|
raise ValueError(_('value must be an unicode'))
|
|
|
|
|
|
class SymLinkOption(BaseOption):
|
|
__slots__ = ('_name', '_opt', '_state_opt')
|
|
_opt_type = 'symlink'
|
|
#not return _opt consistencies
|
|
_consistencies = {}
|
|
|
|
def __init__(self, name, opt):
|
|
self._name = name
|
|
if not isinstance(opt, Option):
|
|
raise ValueError(_('malformed symlinkoption '
|
|
'must be an option '
|
|
'for symlink {0}').format(name))
|
|
self._opt = opt
|
|
self._readonly = True
|
|
|
|
def __getattr__(self, name):
|
|
if name in ('_name', '_opt', '_opt_type', '_readonly'):
|
|
return object.__getattr__(self, name)
|
|
else:
|
|
return getattr(self._opt, name)
|
|
|
|
def _impl_getstate(self, descr):
|
|
super(SymLinkOption, self)._impl_getstate(descr)
|
|
self._state_opt = descr.impl_get_path_by_opt(self._opt)
|
|
|
|
def _impl_setstate(self, descr):
|
|
self._opt = descr.impl_get_opt_by_path(self._state_opt)
|
|
del(self._state_opt)
|
|
super(SymLinkOption, self)._impl_setstate(descr)
|
|
|
|
def _impl_convert_consistencies(self, descr, load=False):
|
|
if load:
|
|
del(self._state_consistencies)
|
|
else:
|
|
self._state_consistencies = None
|
|
|
|
|
|
class IPOption(Option):
|
|
"represents the choice of an ip"
|
|
__slots__ = ('_private_only', '_allow_reserved')
|
|
_opt_type = 'ip'
|
|
|
|
def __init__(self, name, doc, default=None, default_multi=None,
|
|
requires=None, multi=False, callback=None,
|
|
callback_params=None, validator=None, validator_params=None,
|
|
properties=None, private_only=False, allow_reserved=False,
|
|
warnings_only=False):
|
|
self._private_only = private_only
|
|
self._allow_reserved = allow_reserved
|
|
super(IPOption, self).__init__(name, doc, default=default,
|
|
default_multi=default_multi,
|
|
callback=callback,
|
|
callback_params=callback_params,
|
|
requires=requires,
|
|
multi=multi,
|
|
validator=validator,
|
|
validator_params=validator_params,
|
|
properties=properties,
|
|
warnings_only=warnings_only)
|
|
|
|
def _validate(self, value):
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
except ValueError:
|
|
raise ValueError(_('invalid IP {0}').format(self._name))
|
|
|
|
def _second_level_validation(self, value):
|
|
ip = IP('{0}/32'.format(value))
|
|
if not self._allow_reserved and ip.iptype() == 'RESERVED':
|
|
raise ValueError(_("IP mustn't not be in reserved class"))
|
|
if self._private_only and not ip.iptype() == 'PRIVATE':
|
|
raise ValueError(_("IP must be in private class"))
|
|
|
|
|
|
class PortOption(Option):
|
|
"""represents the choice of a port
|
|
The port numbers are divided into three ranges:
|
|
the well-known ports,
|
|
the registered ports,
|
|
and the dynamic or private ports.
|
|
You can actived this three range.
|
|
Port number 0 is reserved and can't be used.
|
|
see: http://en.wikipedia.org/wiki/Port_numbers
|
|
"""
|
|
__slots__ = ('_allow_range', '_allow_zero', '_min_value', '_max_value')
|
|
_opt_type = 'port'
|
|
|
|
def __init__(self, name, doc, default=None, default_multi=None,
|
|
requires=None, multi=False, callback=None,
|
|
callback_params=None, validator=None, validator_params=None,
|
|
properties=None, allow_range=False, allow_zero=False,
|
|
allow_wellknown=True, allow_registred=True,
|
|
allow_private=False, warnings_only=False):
|
|
self._allow_range = allow_range
|
|
self._min_value = None
|
|
self._max_value = None
|
|
ports_min = [0, 1, 1024, 49152]
|
|
ports_max = [0, 1023, 49151, 65535]
|
|
is_finally = False
|
|
for index, allowed in enumerate([allow_zero,
|
|
allow_wellknown,
|
|
allow_registred,
|
|
allow_private]):
|
|
if self._min_value is None:
|
|
if allowed:
|
|
self._min_value = ports_min[index]
|
|
elif not allowed:
|
|
is_finally = True
|
|
elif allowed and is_finally:
|
|
raise ValueError(_('inconsistency in allowed range'))
|
|
if allowed:
|
|
self._max_value = ports_max[index]
|
|
|
|
if self._max_value is None:
|
|
raise ValueError(_('max value is empty'))
|
|
|
|
super(PortOption, self).__init__(name, doc, default=default,
|
|
default_multi=default_multi,
|
|
callback=callback,
|
|
callback_params=callback_params,
|
|
requires=requires,
|
|
multi=multi,
|
|
validator=validator,
|
|
validator_params=validator_params,
|
|
properties=properties,
|
|
warnings_only=warnings_only)
|
|
|
|
def _validate(self, value):
|
|
if self._allow_range and ":" in str(value):
|
|
value = str(value).split(':')
|
|
if len(value) != 2:
|
|
raise ValueError('range must have two values only')
|
|
if not value[0] < value[1]:
|
|
raise ValueError('first port in range must be'
|
|
' smaller than the second one')
|
|
else:
|
|
value = [value]
|
|
|
|
for val in value:
|
|
if not self._min_value <= int(val) <= self._max_value:
|
|
raise ValueError('port must be an between {0} and {1}'
|
|
''.format(self._min_value, self._max_value))
|
|
|
|
|
|
class NetworkOption(Option):
|
|
"represents the choice of a network"
|
|
__slots__ = tuple()
|
|
_opt_type = 'network'
|
|
|
|
def _validate(self, value):
|
|
try:
|
|
IP(value)
|
|
except ValueError:
|
|
raise ValueError(_('invalid network address {0}').format(self._name))
|
|
|
|
def _second_level_validation(self, value):
|
|
ip = IP(value)
|
|
if ip.iptype() == 'RESERVED':
|
|
raise ValueError(_("network shall not be in reserved class"))
|
|
|
|
|
|
class NetmaskOption(Option):
|
|
"represents the choice of a netmask"
|
|
__slots__ = tuple()
|
|
_opt_type = 'netmask'
|
|
|
|
def _validate(self, value):
|
|
try:
|
|
IP('0.0.0.0/{0}'.format(value))
|
|
except ValueError:
|
|
raise ValueError(_('invalid netmask address {0}').format(self._name))
|
|
|
|
def _cons_network_netmask(self, opts, vals):
|
|
#opts must be (netmask, network) options
|
|
self.__cons_netmask(opts, vals[0], vals[1], False)
|
|
|
|
def _cons_ip_netmask(self, opts, vals):
|
|
#opts must be (netmask, ip) options
|
|
self.__cons_netmask(opts, vals[0], vals[1], True)
|
|
|
|
def __cons_netmask(self, opts, val_netmask, val_ipnetwork, make_net):
|
|
if len(opts) != 2:
|
|
raise ConfigError(_('invalid len for opts'))
|
|
msg = None
|
|
try:
|
|
ip = IP('{0}/{1}'.format(val_ipnetwork, val_netmask),
|
|
make_net=make_net)
|
|
#if cidr == 32, ip same has network
|
|
if ip.prefixlen() != 32:
|
|
try:
|
|
IP('{0}/{1}'.format(val_ipnetwork, val_netmask),
|
|
make_net=not make_net)
|
|
except ValueError:
|
|
if not make_net:
|
|
msg = _("invalid network {0} ({1}) "
|
|
"with netmask {2} ({3}),"
|
|
" this network is an IP")
|
|
else:
|
|
if make_net:
|
|
msg = _("invalid IP {0} ({1}) with netmask {2} ({3}),"
|
|
" this IP is a network")
|
|
|
|
except ValueError:
|
|
if make_net:
|
|
msg = _("invalid IP {0} ({1}) with netmask {2} ({3})")
|
|
else:
|
|
msg = _("invalid network {0} ({1}) with netmask {2} ({3})")
|
|
if msg is not None:
|
|
raise ValueError(msg.format(val_ipnetwork, opts[1]._name,
|
|
val_netmask, self._name))
|
|
|
|
|
|
class BroadcastOption(Option):
|
|
__slots__ = tuple()
|
|
_opt_type = 'broadcast'
|
|
|
|
def _validate(self, value):
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
except ValueError:
|
|
raise ValueError(_('invalid broadcast address {0}').format(self._name))
|
|
|
|
def _cons_broadcast(self, opts, vals):
|
|
if len(vals) != 3:
|
|
raise ConfigError(_('invalid len for vals'))
|
|
broadcast, network, netmask = vals
|
|
if IP('{0}/{1}'.format(network, netmask)).broadcast() != IP(broadcast):
|
|
raise ValueError(_('invalid broadcast {0} ({1}) with network {2} '
|
|
'({3}) and netmask {4} ({5})').format(
|
|
broadcast, opts[0]._name, network,
|
|
opts[1]._name, netmask, opts[2]._name))
|
|
|
|
|
|
class DomainnameOption(Option):
|
|
"represents the choice of a domain name"
|
|
__slots__ = ('_type', '_allow_ip')
|
|
_opt_type = 'domainname'
|
|
|
|
def __init__(self, name, doc, default=None, default_multi=None,
|
|
requires=None, multi=False, callback=None,
|
|
callback_params=None, validator=None, validator_params=None,
|
|
properties=None, allow_ip=False, type_='domainname',
|
|
warnings_only=False):
|
|
#netbios: for MS domain
|
|
#hostname: to identify the device
|
|
#domainname:
|
|
#fqdn: with tld, not supported yet
|
|
if type_ not in ['netbios', 'hostname', 'domainname']:
|
|
raise ValueError(_('unknown type_ {0} for hostname').format(type_))
|
|
self._type = type_
|
|
if allow_ip not in [True, False]:
|
|
raise ValueError(_('allow_ip must be a boolean'))
|
|
self._allow_ip = allow_ip
|
|
super(DomainnameOption, self).__init__(name, doc, default=default,
|
|
default_multi=default_multi,
|
|
callback=callback,
|
|
callback_params=callback_params,
|
|
requires=requires,
|
|
multi=multi,
|
|
validator=validator,
|
|
validator_params=validator_params,
|
|
properties=properties,
|
|
warnings_only=warnings_only)
|
|
|
|
def _validate(self, value):
|
|
if self._allow_ip is True:
|
|
try:
|
|
IP('{0}/32'.format(value))
|
|
return
|
|
except ValueError:
|
|
pass
|
|
if self._type == 'netbios':
|
|
length = 15
|
|
extrachar = ''
|
|
elif self._type == 'hostname':
|
|
length = 63
|
|
extrachar = ''
|
|
elif self._type == 'domainname':
|
|
length = 255
|
|
extrachar = '\.'
|
|
if '.' not in value:
|
|
raise ValueError(_("invalid value for {0}, must have dot"
|
|
"").format(self._name))
|
|
if len(value) > length:
|
|
raise ValueError(_("invalid domainname's length for"
|
|
" {0} (max {1})").format(self._name, length))
|
|
if len(value) == 1:
|
|
raise ValueError(_("invalid domainname's length for {0} (min 2)"
|
|
"").format(self._name))
|
|
regexp = r'^[a-z]([a-z\d{0}-])*[a-z\d]$'.format(extrachar)
|
|
if re.match(regexp, value) is None:
|
|
raise ValueError(_('invalid domainname'))
|
|
|
|
|
|
class OptionDescription(BaseOption):
|
|
"""Config's schema (organisation, group) and container of Options
|
|
The `OptionsDescription` objects lives in the `tiramisu.config.Config`.
|
|
"""
|
|
__slots__ = ('_name', '_requires', '_cache_paths', '_group_type',
|
|
'_state_group_type', '_properties', '_children',
|
|
'_consistencies', '_calc_properties', '__weakref__',
|
|
'_readonly', '_impl_informations', '_state_requires',
|
|
'_state_consistencies', '_stated', '_state_readonly')
|
|
_opt_type = 'optiondescription'
|
|
|
|
def __init__(self, name, doc, children, requires=None, properties=None):
|
|
"""
|
|
:param children: a list of options (including optiondescriptions)
|
|
|
|
"""
|
|
super(OptionDescription, self).__init__(name, doc, requires, properties)
|
|
child_names = [child._name for child in children]
|
|
#better performance like this
|
|
valid_child = copy(child_names)
|
|
valid_child.sort()
|
|
old = None
|
|
for child in valid_child:
|
|
if child == old:
|
|
raise ConflictError(_('duplicate option name: '
|
|
'{0}').format(child))
|
|
old = child
|
|
self._children = (tuple(child_names), tuple(children))
|
|
self._cache_paths = None
|
|
# the group_type is useful for filtering OptionDescriptions in a config
|
|
self._group_type = groups.default
|
|
|
|
def impl_getdoc(self):
|
|
return self.impl_get_information('doc')
|
|
|
|
def __getattr__(self, name):
|
|
if name in self.__slots__:
|
|
return object.__getattribute__(self, name)
|
|
try:
|
|
return self._children[1][self._children[0].index(name)]
|
|
except ValueError:
|
|
raise AttributeError(_('unknown Option {0} '
|
|
'in OptionDescription {1}'
|
|
'').format(name, self._name))
|
|
|
|
def impl_getkey(self, config):
|
|
return tuple([child.impl_getkey(getattr(config, child._name))
|
|
for child in self.impl_getchildren()])
|
|
|
|
def impl_getpaths(self, include_groups=False, _currpath=None):
|
|
"""returns a list of all paths in self, recursively
|
|
_currpath should not be provided (helps with recursion)
|
|
"""
|
|
if _currpath is None:
|
|
_currpath = []
|
|
paths = []
|
|
for option in self.impl_getchildren():
|
|
attr = option._name
|
|
if isinstance(option, OptionDescription):
|
|
if include_groups:
|
|
paths.append('.'.join(_currpath + [attr]))
|
|
paths += option.impl_getpaths(include_groups=include_groups,
|
|
_currpath=_currpath + [attr])
|
|
else:
|
|
paths.append('.'.join(_currpath + [attr]))
|
|
return paths
|
|
|
|
def impl_getchildren(self):
|
|
return self._children[1]
|
|
|
|
def impl_build_cache(self,
|
|
cache_path=None,
|
|
cache_option=None,
|
|
_currpath=None,
|
|
_consistencies=None,
|
|
force_no_consistencies=False):
|
|
if _currpath is None and self._cache_paths is not None:
|
|
# cache already set
|
|
return
|
|
if _currpath is None:
|
|
save = True
|
|
_currpath = []
|
|
if not force_no_consistencies:
|
|
_consistencies = {}
|
|
else:
|
|
save = False
|
|
if cache_path is None:
|
|
cache_path = []
|
|
cache_option = []
|
|
for option in self.impl_getchildren():
|
|
attr = option._name
|
|
if option in cache_option:
|
|
raise ConflictError(_('duplicate option: {0}').format(option))
|
|
|
|
cache_option.append(option)
|
|
if not force_no_consistencies:
|
|
option._readonly = True
|
|
cache_path.append(str('.'.join(_currpath + [attr])))
|
|
if not isinstance(option, OptionDescription):
|
|
if not force_no_consistencies and \
|
|
option._consistencies is not None:
|
|
for consistency in option._consistencies:
|
|
func, left_opts = consistency
|
|
for opt in left_opts:
|
|
_consistencies.setdefault(opt,
|
|
[]).append((func,
|
|
left_opts))
|
|
else:
|
|
_currpath.append(attr)
|
|
option.impl_build_cache(cache_path,
|
|
cache_option,
|
|
_currpath,
|
|
_consistencies,
|
|
force_no_consistencies)
|
|
_currpath.pop()
|
|
if save:
|
|
self._cache_paths = (tuple(cache_option), tuple(cache_path))
|
|
if not force_no_consistencies:
|
|
self._consistencies = _consistencies
|
|
self._readonly = True
|
|
|
|
def impl_get_opt_by_path(self, path):
|
|
try:
|
|
return self._cache_paths[0][self._cache_paths[1].index(path)]
|
|
except ValueError:
|
|
raise AttributeError(_('no option for path {0}').format(path))
|
|
|
|
def impl_get_path_by_opt(self, opt):
|
|
try:
|
|
return self._cache_paths[1][self._cache_paths[0].index(opt)]
|
|
except ValueError:
|
|
raise AttributeError(_('no option {0} found').format(opt))
|
|
|
|
# ____________________________________________________________
|
|
def impl_set_group_type(self, group_type):
|
|
"""sets a given group object to an OptionDescription
|
|
|
|
:param group_type: an instance of `GroupType` or `MasterGroupType`
|
|
that lives in `setting.groups`
|
|
"""
|
|
if self._group_type != groups.default:
|
|
raise TypeError(_('cannot change group_type if already set '
|
|
'(old {0}, new {1})').format(self._group_type,
|
|
group_type))
|
|
if isinstance(group_type, groups.GroupType):
|
|
self._group_type = group_type
|
|
if isinstance(group_type, groups.MasterGroupType):
|
|
#if master (same name has group) is set
|
|
identical_master_child_name = False
|
|
#for collect all slaves
|
|
slaves = []
|
|
master = None
|
|
for child in self.impl_getchildren():
|
|
if isinstance(child, OptionDescription):
|
|
raise ValueError(_("master group {0} shall not have "
|
|
"a subgroup").format(self._name))
|
|
if isinstance(child, SymLinkOption):
|
|
raise ValueError(_("master group {0} shall not have "
|
|
"a symlinkoption").format(self._name))
|
|
if not child.impl_is_multi():
|
|
raise ValueError(_("not allowed option {0} "
|
|
"in group {1}"
|
|
": this option is not a multi"
|
|
"").format(child._name, self._name))
|
|
if child._name == self._name:
|
|
identical_master_child_name = True
|
|
child._multitype = multitypes.master
|
|
master = child
|
|
else:
|
|
slaves.append(child)
|
|
if master is None:
|
|
raise ValueError(_('master group with wrong'
|
|
' master name for {0}'
|
|
).format(self._name))
|
|
master._master_slaves = tuple(slaves)
|
|
for child in self.impl_getchildren():
|
|
if child != master:
|
|
child._master_slaves = master
|
|
child._multitype = multitypes.slave
|
|
if not identical_master_child_name:
|
|
raise ValueError(_("no child has same nom has master group"
|
|
" for: {0}").format(self._name))
|
|
else:
|
|
raise ValueError(_('group_type: {0}'
|
|
' not allowed').format(group_type))
|
|
|
|
def impl_get_group_type(self):
|
|
return self._group_type
|
|
|
|
def _valid_consistency(self, right_opt, right_val, context=None, index=None):
|
|
#[('_cons_not_equal', (opt1, opt2))]
|
|
consistencies = self._consistencies.get(right_opt)
|
|
if consistencies is not None:
|
|
for func, opts in consistencies:
|
|
#opts[0] is the option where func is set
|
|
#opts is left_opts
|
|
ret = opts[0]._launch_consistency(func, right_opt, right_val,
|
|
context, index, opts)
|
|
if ret is False:
|
|
return False
|
|
return True
|
|
|
|
def _impl_getstate(self, descr=None):
|
|
"""enables us to export into a dict
|
|
:param descr: parent :class:`tiramisu.option.OptionDescription`
|
|
"""
|
|
if descr is None:
|
|
self.impl_build_cache()
|
|
descr = self
|
|
super(OptionDescription, self)._impl_getstate(descr)
|
|
self._state_group_type = str(self._group_type)
|
|
for option in self.impl_getchildren():
|
|
option._impl_getstate(descr)
|
|
|
|
def __getstate__(self):
|
|
"""special method to enable the serialization with pickle
|
|
"""
|
|
stated = True
|
|
try:
|
|
# the `_state` attribute is a flag that which tells us if
|
|
# the serialization can be performed
|
|
self._stated
|
|
except AttributeError:
|
|
# if cannot delete, _impl_getstate never launch
|
|
# launch it recursivement
|
|
# _stated prevent __getstate__ launch more than one time
|
|
# _stated is delete, if re-serialize, re-lauch _impl_getstate
|
|
self._impl_getstate()
|
|
stated = False
|
|
return super(OptionDescription, self).__getstate__(stated)
|
|
|
|
def _impl_setstate(self, descr=None):
|
|
"""enables us to import from a dict
|
|
:param descr: parent :class:`tiramisu.option.OptionDescription`
|
|
"""
|
|
if descr is None:
|
|
self._cache_paths = None
|
|
self.impl_build_cache(force_no_consistencies=True)
|
|
descr = self
|
|
self._group_type = getattr(groups, self._state_group_type)
|
|
del(self._state_group_type)
|
|
super(OptionDescription, self)._impl_setstate(descr)
|
|
for option in self.impl_getchildren():
|
|
option._impl_setstate(descr)
|
|
|
|
def __setstate__(self, state):
|
|
super(OptionDescription, self).__setstate__(state)
|
|
try:
|
|
self._stated
|
|
except AttributeError:
|
|
self._impl_setstate()
|
|
|
|
|
|
def validate_requires_arg(requires, name):
|
|
"""check malformed requirements
|
|
and tranform dict to internal tuple
|
|
|
|
:param requires: have a look at the
|
|
:meth:`tiramisu.setting.Settings.apply_requires` method to
|
|
know more about
|
|
the description of the requires dictionary
|
|
"""
|
|
if requires is None:
|
|
return None, None
|
|
ret_requires = {}
|
|
config_action = {}
|
|
|
|
# start parsing all requires given by user (has dict)
|
|
# transforme it to a tuple
|
|
for require in requires:
|
|
if not type(require) == dict:
|
|
raise ValueError(_("malformed requirements type for option:"
|
|
" {0}, must be a dict").format(name))
|
|
valid_keys = ('option', 'expected', 'action', 'inverse', 'transitive',
|
|
'same_action')
|
|
unknown_keys = frozenset(require.keys()) - frozenset(valid_keys)
|
|
if unknown_keys != frozenset():
|
|
raise ValueError('malformed requirements for option: {0}'
|
|
' unknown keys {1}, must only '
|
|
'{2}'.format(name,
|
|
unknown_keys,
|
|
valid_keys))
|
|
# prepare all attributes
|
|
try:
|
|
option = require['option']
|
|
expected = require['expected']
|
|
action = require['action']
|
|
except KeyError:
|
|
raise ValueError(_("malformed requirements for option: {0}"
|
|
" require must have option, expected and"
|
|
" action keys").format(name))
|
|
inverse = require.get('inverse', False)
|
|
if inverse not in [True, False]:
|
|
raise ValueError(_('malformed requirements for option: {0}'
|
|
' inverse must be boolean'))
|
|
transitive = require.get('transitive', True)
|
|
if transitive not in [True, False]:
|
|
raise ValueError(_('malformed requirements for option: {0}'
|
|
' transitive must be boolean'))
|
|
same_action = require.get('same_action', True)
|
|
if same_action not in [True, False]:
|
|
raise ValueError(_('malformed requirements for option: {0}'
|
|
' same_action must be boolean'))
|
|
|
|
if not isinstance(option, Option):
|
|
raise ValueError(_('malformed requirements '
|
|
'must be an option in option {0}').format(name))
|
|
if option.impl_is_multi():
|
|
raise ValueError(_('malformed requirements option {0} '
|
|
'should not be a multi').format(name))
|
|
if expected is not None:
|
|
try:
|
|
option._validate(expected)
|
|
except ValueError as err:
|
|
raise ValueError(_('malformed requirements second argument '
|
|
'must be valid for option {0}'
|
|
': {1}').format(name, err))
|
|
if action in config_action:
|
|
if inverse != config_action[action]:
|
|
raise ValueError(_("inconsistency in action types"
|
|
" for option: {0}"
|
|
" action: {1}").format(name, action))
|
|
else:
|
|
config_action[action] = inverse
|
|
if action not in ret_requires:
|
|
ret_requires[action] = {}
|
|
if option not in ret_requires[action]:
|
|
ret_requires[action][option] = (option, [expected], action,
|
|
inverse, transitive, same_action)
|
|
else:
|
|
ret_requires[action][option][1].append(expected)
|
|
# transform dict to tuple
|
|
ret = []
|
|
for opt_requires in ret_requires.values():
|
|
ret_action = []
|
|
for require in opt_requires.values():
|
|
ret_action.append((require[0], tuple(require[1]), require[2],
|
|
require[3], require[4], require[5]))
|
|
ret.append(tuple(ret_action))
|
|
return frozenset(config_action.keys()), tuple(ret)
|
|
|
|
|
|
def validate_callback(callback, callback_params, type_):
|
|
if type(callback) != FunctionType:
|
|
raise ValueError(_('{0} should be a function').format(type_))
|
|
if callback_params is not None:
|
|
if not isinstance(callback_params, dict):
|
|
raise ValueError(_('{0}_params should be a dict').format(type_))
|
|
for key, callbacks in callback_params.items():
|
|
if key != '' and len(callbacks) != 1:
|
|
raise ValueError(_('{0}_params with key {1} should not have '
|
|
'length different to 1').format(type_,
|
|
key))
|
|
if not isinstance(callbacks, tuple):
|
|
raise ValueError(_('{0}_params should be tuple for key "{1}"'
|
|
).format(type_, key))
|
|
for callbk in callbacks:
|
|
if isinstance(callbk, tuple):
|
|
option, force_permissive = callbk
|
|
if type_ == 'validator' and not force_permissive:
|
|
raise ValueError(_('validator not support tuple'))
|
|
if not isinstance(option, Option) and not \
|
|
isinstance(option, SymLinkOption):
|
|
raise ValueError(_('{0}_params should have an option '
|
|
'not a {0} for first argument'
|
|
).format(type_, type(option)))
|
|
if force_permissive not in [True, False]:
|
|
raise ValueError(_('{0}_params should have a boolean'
|
|
' not a {0} for second argument'
|
|
).format(type_, type(
|
|
force_permissive)))
|