mirror of
https://gitlab2.federez.net/re2o/re2o
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55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
# Re2o est un logiciel d'administration développé initiallement au rezometz. Il
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# se veut agnostique au réseau considéré, de manière à être installable en
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# quelques clics.
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#
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# Copyright © 2020 Gabriel Détraz
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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 along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# App de gestion des machines pour re2o
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# Gabriel Détraz, Augustin Lemesle
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# Gplv2
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"""
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Utils for preferences
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"""
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from __future__ import unicode_literals
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from django.core.cache import cache
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from django.db import models
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class PreferencesModel(models.Model):
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""" Base object for the Preferences objects
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Defines methods to handle the cache of the settings (they should
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not change a lot) """
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@classmethod
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def set_in_cache(cls):
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""" Save the preferences in a server-side cache """
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instance, _created = cls.objects.get_or_create()
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cache.set(cls().__class__.__name__.lower(), instance, None)
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return instance
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@classmethod
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def get_cached_value(cls, key):
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""" Get the preferences from the server-side cache """
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instance = cache.get(cls().__class__.__name__.lower())
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if instance is None:
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instance = cls.set_in_cache()
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return getattr(instance, key)
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class Meta:
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abstract = True
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