forked from ScoDoc/ScoDoc
312 lines
10 KiB
Python
312 lines
10 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 - 2021 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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"""Gestion des "nouvelles"
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"""
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import datetime
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import re
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import time
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from io import StringIO
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from email.mime.multipart import MIMEMultipart
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from email.mime.text import MIMEText
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from email.header import Header
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from operator import itemgetter
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import six
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import PyRSS2Gen # pylint: disable=import-error
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from flask_login import current_user
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import app.scodoc.sco_utils as scu
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import app.scodoc.notesdb as ndb
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from app.scodoc.notes_log import log
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from app.scodoc import safehtml
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from app.scodoc import sco_emails
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from app.scodoc.sco_utils import SCO_ENCODING, SCO_ANNONCES_WEBSITE
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from app.scodoc import sco_formsemestre
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from app.scodoc import sco_moduleimpl
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from app.scodoc import sco_preferences
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from app.scodoc import sco_users
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_scolar_news_editor = ndb.EditableTable(
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"scolar_news",
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"news_id",
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("date", "authenticated_user", "type", "object", "text", "url"),
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sortkey="date desc",
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output_formators={"date": ndb.DateISOtoDMY},
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input_formators={"date": ndb.DateDMYtoISO},
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html_quote=False, # no user supplied data, needed to store html links
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)
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NEWS_INSCR = "INSCR" # inscription d'étudiants (object=None ou formsemestre_id)
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NEWS_NOTE = "NOTES" # saisie note (object=moduleimpl_id)
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NEWS_FORM = "FORM" # modification formation (object=formation_id)
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NEWS_SEM = "SEM" # creation semestre (object=None)
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NEWS_MISC = "MISC" # unused
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NEWS_MAP = {
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NEWS_INSCR: "inscription d'étudiants",
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NEWS_NOTE: "saisie note",
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NEWS_FORM: "modification formation",
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NEWS_SEM: "création semestre",
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NEWS_MISC: "opération", # unused
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}
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NEWS_TYPES = list(NEWS_MAP.keys())
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scolar_news_create = _scolar_news_editor.create
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scolar_news_list = _scolar_news_editor.list
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_LAST_NEWS = {} # { (authuser_name, type, object) : time }
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def add(typ, object=None, text="", url=None, max_frequency=False):
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"""Ajoute une nouvelle.
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Si max_frequency, ne genere pas 2 nouvelles identiques à moins de max_frequency
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secondes d'intervalle.
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"""
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authuser_name = current_user.user_name
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cnx = ndb.GetDBConnexion()
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args = {
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"authenticated_user": authuser_name,
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"user_info": sco_users.user_info(user_name=authuser_name),
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"type": typ,
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"object": object,
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"text": text,
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"url": url,
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}
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t = time.time()
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if max_frequency:
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last_news_time = _LAST_NEWS.get((authuser_name, typ, object), False)
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if last_news_time and (t - last_news_time < max_frequency):
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# log("not recording")
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return
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log("news: %s" % args)
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_LAST_NEWS[(authuser_name, typ, object)] = t
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_send_news_by_mail(args)
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return scolar_news_create(cnx, args, has_uniq_values=False)
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def scolar_news_summary(context, n=5):
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"""Return last n news.
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News are "compressed", ie redondant events are joined.
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"""
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from app.scodoc import sco_etud
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cnx = ndb.GetDBConnexion()
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cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor)
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cursor.execute("select * from scolar_news order by date desc limit 100")
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selected_news = {} # (type,object) : news dict
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news = cursor.dictfetchall() # la plus récente d'abord
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for r in reversed(news): # la plus ancienne d'abord
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# si on a deja une news avec meme (type,object)
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# et du meme jour, on la remplace
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dmy = ndb.DateISOtoDMY(r["date"]) # round
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key = (r["type"], r["object"], dmy)
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selected_news[key] = r
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news = list(selected_news.values())
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# sort by date, descending
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news.sort(key=itemgetter("date"), reverse=True)
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news = news[:n]
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# mimic EditableTable.list output formatting:
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for n in news:
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n["date822"] = n["date"].strftime("%a, %d %b %Y %H:%M:%S %z")
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# heure
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n["hm"] = n["date"].strftime("%Hh%M")
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n["rssdate"] = n["date"].strftime("%d/%m %Hh%M") # pour affichage
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for k in n.keys():
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if n[k] is None:
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n[k] = ""
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if k in _scolar_news_editor.output_formators:
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n[k] = _scolar_news_editor.output_formators[k](n[k])
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# date resumee
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j, m = n["date"].split("/")[:2]
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mois = sco_etud.MONTH_NAMES_ABBREV[int(m) - 1]
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n["formatted_date"] = "%s %s %s" % (j, mois, n["hm"])
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# indication semestre si ajout notes:
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infos = _get_formsemestre_infos_from_news(context, n)
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if infos:
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n["text"] += (
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' (<a href="Notes/formsemestre_status?formsemestre_id=%(formsemestre_id)s">%(descr_sem)s</a>)'
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% infos
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)
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n["text"] += (
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" par "
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+ sco_users.user_info(user_name=n["authenticated_user"])["nomcomplet"]
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)
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return news
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def _get_formsemestre_infos_from_news(context, n):
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"""Informations sur le semestre concerné par la nouvelle n
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{} si inexistant
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"""
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formsemestre_id = None
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if n["type"] == NEWS_INSCR:
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formsemestre_id = n["object"]
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elif n["type"] == NEWS_NOTE:
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moduleimpl_id = n["object"]
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mods = sco_moduleimpl.do_moduleimpl_list(context, moduleimpl_id=moduleimpl_id)
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if not mods:
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return {} # module does not exists anymore
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mod = mods[0]
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formsemestre_id = mod["formsemestre_id"]
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if not formsemestre_id:
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return {}
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try:
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sem = sco_formsemestre.get_formsemestre(context, formsemestre_id)
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except:
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# semestre n'existe plus
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return {}
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if sem["semestre_id"] > 0:
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descr_sem = "S%d" % sem["semestre_id"]
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else:
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descr_sem = ""
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if sem["modalite"]:
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descr_sem += " " + sem["modalite"]
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return {"formsemestre_id": formsemestre_id, "sem": sem, "descr_sem": descr_sem}
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def scolar_news_summary_html(context, n=5, rssicon=None):
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"""News summary, formated in HTML"""
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news = scolar_news_summary(context, n=n)
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if not news:
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return ""
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H = ['<div class="news"><span class="newstitle">Dernières opérations']
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if rssicon: # 2020-12-30 plus utilisé
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H.append('<a href="rssnews">' + rssicon + "</a>")
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H.append('</span><ul class="newslist">')
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for n in news:
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H.append(
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'<li class="newslist"><span class="newsdate">%(formatted_date)s</span><span class="newstext">%(text)s</span></li>'
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% n
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)
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H.append("</ul>")
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# Informations générales
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H.append(
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"""<div>
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Pour être informé des évolutions de ScoDoc,
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vous pouvez vous
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<a class="stdlink" href="%s">
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abonner à la liste de diffusion</a>.
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</div>
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"""
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% SCO_ANNONCES_WEBSITE
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)
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H.append("</div>")
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return "\n".join(H)
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def scolar_news_summary_rss(context, title, sco_url, n=5):
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"""rss feed for scolar news"""
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news = scolar_news_summary(context, n=n)
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items = []
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for n in news:
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text = safehtml.convert_html_to_text(n["text"])
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items.append(
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PyRSS2Gen.RSSItem(
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title=six.text_type("%s %s" % (n["rssdate"], text), SCO_ENCODING),
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link=sco_url + "/" + n["url"],
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pubDate=n["date822"],
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)
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)
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rss = PyRSS2Gen.RSS2(
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title=six.text_type(title, SCO_ENCODING),
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link=sco_url,
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description=six.text_type(title, SCO_ENCODING),
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lastBuildDate=datetime.datetime.now(),
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items=items,
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)
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f = StringIO()
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rss.write_xml(f, encoding=SCO_ENCODING)
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f.seek(0)
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data = f.read()
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f.close()
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return data
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def _send_news_by_mail(n):
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"""Notify by email"""
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context = None # #context
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infos = _get_formsemestre_infos_from_news(context, n)
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formsemestre_id = infos.get("formsemestre_id", None)
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prefs = sco_preferences.SemPreferences(formsemestre_id=formsemestre_id)
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destinations = prefs["emails_notifications"] or ""
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destinations = [x.strip() for x in destinations.split(",")]
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destinations = [x for x in destinations if x]
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if not destinations:
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return
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#
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txt = n["text"]
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if infos:
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txt += "\n\nSemestre %(titremois)s\n\n" % infos["sem"]
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txt += (
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"""<a href="Notes/formsemestre_status?formsemestre_id=%(formsemestre_id)s">%(descr_sem)s</a>
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"""
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% infos
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)
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txt += "\n\nEffectué par: %(nomcomplet)s\n" % n["user_info"]
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txt = (
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"\n"
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+ txt
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+ """\n
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--- Ceci est un message de notification automatique issu de ScoDoc
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--- vous recevez ce message car votre adresse est indiquée dans les paramètres de ScoDoc.
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"""
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)
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# Transforme les URL en URL absolue
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base = scu.ScoURL()
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txt = re.sub('href=.*?"', 'href="' + base + "/", txt)
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# Transforme les liens HTML en texte brut: '<a href="url">texte</a>' devient 'texte: url'
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# (si on veut des messages non html)
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txt = re.sub(r'<a.*?href\s*=\s*"(.*?)".*?>(.*?)</a>', r"\2: \1", txt)
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msg = MIMEMultipart()
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msg["Subject"] = Header("[ScoDoc] " + NEWS_MAP.get(n["type"], "?"), SCO_ENCODING)
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msg["From"] = prefs["email_from_addr"]
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txt = MIMEText(txt, "plain", SCO_ENCODING)
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msg.attach(txt)
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for email_addr in destinations:
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if email_addr:
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del msg["To"]
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msg["To"] = email_addr
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# log('xxx mail: %s' % msg)
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sco_emails.sendEmail(context, msg)
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