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Pierre-Antoine Rouby authored2139b42b
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# PamhyrDict.py -- Pamhyr abstract dict for model classes
# Copyright (C) 2023 INRAE
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# -*- coding: utf-8 -*-
import logging
from copy import copy
from tools import trace, timer
from Model.Tools.PamhyrDB import SQLSubModel
from Model.Except import NotImplementedMethodeError
logger = logging.getLogger()
class PamhyrModelDict(SQLSubModel):
_sub_classes = []
def __init__(self, status = None):
super(PamhyrModelDict, self).__init__()
self._status = status
self._dict = {}
@classmethod
def _sql_create(cls, execute):
return cls._create_submodel(execute)
@classmethod
def _sql_update(cls, execute, version):
return cls._update_submodel(execute, version)
@classmethod
def _sql_load(cls, execute, data = None):
raise NotImplementedMethodeError(cls, cls._sql_load)
def _sql_save(self, execute, data = None):
raise NotImplementedMethodeError(self, self._sql_save)
def __len__(self):
return len(self._dict)
def is_defined(self, key):
return key in self._dict
def set(self, key, new):
self._dict[key] = new
self._status.modified()
def get(self, key):
if key in self._dict:
return self._dict[key]
new = self.new(key)
self.set(key, new)
return new
def new(self, key):
raise NotImplementedMethodeError(self, self.new)