forked from gergely/calendar-social
61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
|
# Calendar.social
|
||
|
|
# Copyright (C) 2018 Gergely Polonkai
|
||
|
|
#
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU Affero General Public License
|
||
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
"""Metaclass for storing and accessing app state
|
||
|
|
"""
|
||
|
|
|
||
|
|
def get_state_base(self, key):
|
||
|
|
"""Method to get a key from the state store
|
||
|
|
"""
|
||
|
|
|
||
|
|
return self.__get_state__(key)
|
||
|
|
|
||
|
|
def set_state_base(self, key, value):
|
||
|
|
"""Method to set a key/value in the state store
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.__set_state__(key, str(value))
|
||
|
|
|
||
|
|
def set_default_base(self, key, value):
|
||
|
|
"""Method to set the default value of a key in the state store
|
||
|
|
|
||
|
|
If key is already in the state store, this method is a no-op.
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.__set_state_default__(key, str(value))
|
||
|
|
|
||
|
|
|
||
|
|
def app_state_base(klass):
|
||
|
|
"""Base class creator for AppStateMeta types
|
||
|
|
|
||
|
|
:param klass: the class to extend
|
||
|
|
:type klass: type
|
||
|
|
:returns: a new class extending ``klass``
|
||
|
|
:rtype: type
|
||
|
|
"""
|
||
|
|
|
||
|
|
# Construct the meta class based on the metaclass of ``klass``
|
||
|
|
metaclass = type(
|
||
|
|
klass.__name__ + 'BaseMeta',
|
||
|
|
(type(klass),),
|
||
|
|
{
|
||
|
|
'__getitem__': get_state_base,
|
||
|
|
'__setitem__': set_state_base,
|
||
|
|
'setdefault': set_default_base,
|
||
|
|
})
|
||
|
|
|
||
|
|
return metaclass(klass.__name__ + 'Base', (klass,), {'__abstract__': True})
|