forked from ScoDoc/ScoDoc
89 lines
3.6 KiB
Python
89 lines
3.6 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Gestion scolarite IUT
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#
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# Copyright (c) 1999 - 2022 Emmanuel Viennet. All rights reserved.
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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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# Emmanuel Viennet emmanuel.viennet@viennet.net
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#
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##############################################################################
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""" Verification version logiciel vs version "stable" sur serveur
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N'effectue pas la mise à jour automatiquement, mais permet un affichage d'avertissement.
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"""
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import json
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import requests
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import time
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from flask import current_app
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import app.scodoc.sco_utils as scu
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from sco_version import SCOVERSION, SCONAME
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def is_up_to_date() -> str:
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"""Check installed version vs last release.
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Returns html message, empty of ok.
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"""
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diag = ""
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try:
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response = requests.get(scu.SCO_UP2DATE)
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except requests.exceptions.ConnectionError:
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current_app.logger.debug("is_up_to_date: %s", diag)
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return f"""<div>Attention: installation de {SCONAME} non fonctionnelle.</div>
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<div>Détails: pas de connexion à {scu.SCO_WEBSITE}.
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Vérifier paramètrages réseau,
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<a href="https://scodoc.org/GuideInstallDebian11/#informations-sur-les-flux-reseau">voir la documentation</a>.
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</div>
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"""
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except:
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current_app.logger.debug("is_up_to_date: %s", diag)
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return f"""<div>Attention: installation de {SCONAME} non fonctionnelle.</div>
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<div>Détails: erreur inconnue lors de la connexion à {scu.SCO_WEBSITE}.
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Vérifier paramètrages réseau,
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<a href="https://scodoc.org/GuideInstallDebian11/#informations-sur-les-flux-reseau">voir la documentation</a>.
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</div>
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"""
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if response.status_code != 200:
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current_app.logger.debug(
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f"is_up_to_date: invalid response code ({response.status_code})"
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)
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return f"""<div>Attention: réponse invalide de {scu.SCO_WEBSITE}</div>
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<div>(erreur http {response.status_code}).</div>"""
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try:
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infos = json.loads(response.text)
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except json.decoder.JSONDecodeError:
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current_app.logger.debug(f"is_up_to_date: invalid response (json)")
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return f"""<div>Attention: réponse invalide de {scu.SCO_WEBSITE}</div>
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<div>(erreur json).</div>"""
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# nb: si de nouveaux paquets sont publiés chaque jour, le décalage ne sera jamais signalé.
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# mais en régime "normal", on aura une alerte après 24h sans mise à jour.
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days_since_last_package = (time.time() - infos["publication_time"]) / (24 * 60 * 60)
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if (infos["version"] != SCOVERSION) and (days_since_last_package > 1.0):
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return f"""<div>Attention: {SCONAME} version ({SCOVERSION}) non à jour
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({infos["version"]} disponible).</div>
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<div>Contacter votre administrateur système
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(<a href="https://scodoc.org/MisesAJour/">documentation</a>).
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</div>
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"""
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return "" # ok
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