mirror of https://gitlab.com/pamhyr/pamhyr2
74 lines
1.9 KiB
Python
74 lines
1.9 KiB
Python
# PamhyrDict.py -- Pamhyr abstract dict for model classes
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# Copyright (C) 2023 INRAE
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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 3 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, see <https://www.gnu.org/licenses/>.
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# -*- coding: utf-8 -*-
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import logging
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from copy import copy
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from tools import trace, timer
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from Model.DB import SQLSubModel
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logger = logging.getLogger()
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class PamhyrModelDict(SQLSubModel):
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_sub_classes = []
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def __init__(self, status = None):
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super(PamhyrModelDict, self).__init__()
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self._status = status
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self._dict = {}
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@classmethod
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def _sql_create(cls, execute):
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return cls._create_submodel(execute)
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@classmethod
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def _sql_update(cls, execute, version):
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return cls._update_submodel(execute, version)
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@classmethod
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def _sql_load(cls, execute, data = None):
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raise NotImplementedMethodeError(cls, cls._sql_load)
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def _sql_save(self, execute, data = None):
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raise NotImplementedMethodeError(self, self._sql_save)
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def __len__(self):
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return len(self._dict)
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def is_defined(self, key):
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return key in self._dict
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def set(self, key, new):
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self._dict[key] = new
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self._status.modified()
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def get(self, key):
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if key in self._dict:
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return self._dict[key]
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new = self.new(key)
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self.set(key, new)
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return new
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def new(self, key):
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raise NotImplementedMethodeError(self, self.new)
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