671 lines
23 KiB
Python
671 lines
23 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 - 2024 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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"""Photos: trombinoscopes
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"""
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import io
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from zipfile import ZipFile, BadZipfile
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from flask.templating import render_template
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import reportlab
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from reportlab.lib.units import cm, mm
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from reportlab.platypus import Paragraph
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from reportlab.platypus import Table, TableStyle
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from reportlab.platypus.doctemplate import BaseDocTemplate
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from reportlab.lib import styles
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from reportlab.lib import colors
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from PIL import Image as PILImage
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import flask
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from flask import url_for, g, send_file, request
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from app import db, log
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from app.models import Identite
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import app.scodoc.sco_utils as scu
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from app.scodoc.TrivialFormulator import TrivialFormulator
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from app.scodoc.sco_exceptions import ScoValueError
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from app.scodoc.sco_pdf import SU
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from app.scodoc import html_sco_header
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from app.scodoc import htmlutils
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from app.scodoc import sco_import_etuds
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from app.scodoc import sco_etud
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from app.scodoc import sco_excel
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from app.scodoc import sco_groups_view
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from app.scodoc import sco_pdf
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from app.scodoc import sco_photos
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from app.scodoc import sco_portal_apogee
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from app.scodoc import sco_preferences
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from app.scodoc import sco_trombino_doc
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def trombino(
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group_ids=(), # liste des groupes à afficher
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formsemestre_id=None, # utilisé si pas de groupes selectionné
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etat=None,
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fmt="html",
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dialog_confirmed=False,
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):
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"""Trombinoscope"""
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if not etat:
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etat = None # may be passed as ''
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# Informations sur les groupes à afficher:
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groups_infos = sco_groups_view.DisplayedGroupsInfos(
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group_ids, formsemestre_id=formsemestre_id, etat=etat
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)
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#
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if fmt != "html" and not dialog_confirmed:
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ok, dialog = check_local_photos_availability(groups_infos, fmt=fmt)
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if not ok:
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return dialog
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if fmt == "zip":
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return _trombino_zip(groups_infos)
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elif fmt == "pdf":
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return _trombino_pdf(groups_infos)
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elif fmt == "pdflist":
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return _listeappel_photos_pdf(groups_infos)
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elif fmt == "doc":
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return sco_trombino_doc.trombino_doc(groups_infos)
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else:
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raise Exception("invalid format")
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def _trombino_html_header():
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return html_sco_header.sco_header(javascripts=["js/trombino.js"])
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def trombino_html(groups_infos):
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"HTML snippet for trombino (with title and menu)"
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menu_trombi = [
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{
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"title": "Charger des photos...",
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"endpoint": "scolar.photos_import_files_form",
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"args": {"group_ids": groups_infos.group_ids},
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},
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{
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"title": "Obtenir archive Zip des photos",
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"endpoint": "scolar.trombino",
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"args": {"group_ids": groups_infos.group_ids, "fmt": "zip"},
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},
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{
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"title": "Recopier les photos depuis le portail",
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"endpoint": "scolar.trombino_copy_photos",
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"args": {"group_ids": groups_infos.group_ids},
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},
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]
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if groups_infos.members:
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if groups_infos.tous_les_etuds_du_sem:
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group_txt = "Tous les étudiants"
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else:
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group_txt = f"Groupe {groups_infos.groups_titles}"
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else:
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group_txt = "Aucun étudiant inscrit dans ce groupe !"
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H = [
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f"""<table style="padding-top: 10px; padding-bottom: 10px;">
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<tr>
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<td><span
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style="font-style: bold; font-size: 150%%; padding-right: 20px;"
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>{group_txt}</span></td>"""
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]
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if groups_infos.members:
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H.append(
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"<td>"
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+ htmlutils.make_menu("Gérer les photos", menu_trombi, alone=True)
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+ "</td>"
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)
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H.append("</tr></table>")
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H.append("<div>")
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i = 0
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for t in groups_infos.members:
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H.append(
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'<span class="trombi_box"><span class="trombi-photo" id="trombi-%s">'
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% t["etudid"]
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)
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if sco_photos.etud_photo_is_local(t["photo_filename"], size="small"):
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foto = sco_photos.etud_photo_html(t, title="")
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else: # la photo n'est pas immédiatement dispo
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foto = f"""<span class="unloaded_img" id="{t["etudid"]
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}"><img border="0" height="90" alt="en cours" src="{scu.STATIC_DIR}/icons/loading.jpg"/></span>"""
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H.append(
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'<a href="%s">%s</a>'
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% (
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url_for(
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"scolar.fiche_etud", scodoc_dept=g.scodoc_dept, etudid=t["etudid"]
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),
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foto,
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)
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)
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H.append("</span>")
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H.append(
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'<span class="trombi_legend"><span class="trombi_prenom">'
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+ scu.format_prenom(t["prenom"])
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+ '</span><span class="trombi_nom">'
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+ scu.format_nom(t["nom"])
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+ (" <i>(dem.)</i>" if t["etat"] == "D" else "")
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)
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H.append("</span></span></span>")
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i += 1
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H.append("</div>")
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H.append(
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f"""<div style="margin-bottom:15px;">
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<a class="stdlink" href="{url_for('scolar.trombino', scodoc_dept=g.scodoc_dept,
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fmt='pdf', group_ids=groups_infos.group_ids)}">Version PDF</a>
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<a class="stdlink" href="{url_for('scolar.trombino', scodoc_dept=g.scodoc_dept,
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fmt='doc', group_ids=groups_infos.group_ids)}">Version doc</a>
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</div>"""
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)
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return "\n".join(H)
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def check_local_photos_availability(groups_infos, fmt=""):
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"""Vérifie que toutes les photos (des groupes indiqués) sont copiées
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localement dans ScoDoc (seules les photos dont nous disposons localement
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peuvent être exportées en pdf ou en zip).
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Si toutes ne sont pas dispo, retourne un dialogue d'avertissement
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pour l'utilisateur.
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"""
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nb_missing = 0
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for t in groups_infos.members:
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_ = sco_photos.etud_photo_url(t) # -> copy distant files if needed
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if not sco_photos.etud_photo_is_local(t["photo_filename"]):
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nb_missing += 1
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if nb_missing > 0:
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parameters = {"group_ids": groups_infos.group_ids, "fmt": fmt}
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return (
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False,
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scu.confirm_dialog(
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f"""<p>Attention: {nb_missing} photos ne sont pas disponibles
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et ne peuvent pas être exportées.</p>
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<p>Vous pouvez <a class="stdlink"
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href="{groups_infos.base_url}&dialog_confirmed=1&fmt={fmt}"
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>exporter seulement les photos existantes</a>""",
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dest_url="trombino",
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OK="Exporter seulement les photos existantes",
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cancel_url="groups_view?curtab=tab-photos&"
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+ groups_infos.groups_query_args,
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parameters=parameters,
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),
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)
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return True, ""
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def _trombino_zip(groups_infos):
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"Send photos as zip archive"
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data = io.BytesIO()
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with ZipFile(data, "w") as zip_file:
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# assume we have the photos (or the user acknowledged the fact)
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# Archive originals (not reduced) images, in JPEG
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for t in groups_infos.members:
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im_path = sco_photos.photo_pathname(t["photo_filename"], size="orig")
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if not im_path:
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continue
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img = open(im_path, "rb").read()
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code_nip = t["code_nip"]
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if code_nip:
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filename = code_nip + ".jpg"
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else:
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filename = f'{t["nom"]}_{t["prenom"]}_{t["etudid"]}.jpg'
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zip_file.writestr(filename, img)
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size = data.tell()
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log(f"trombino_zip: {size} bytes")
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data.seek(0)
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return send_file(
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data,
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mimetype="application/zip",
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download_name="trombi.zip",
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as_attachment=True,
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)
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# Copy photos from portal to ScoDoc
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def trombino_copy_photos(group_ids=[], dialog_confirmed=False):
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"Copy photos from portal to ScoDoc (overwriting local copy)"
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groups_infos = sco_groups_view.DisplayedGroupsInfos(group_ids)
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back_url = "groups_view?%s&curtab=tab-photos" % groups_infos.groups_query_args
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portal_url = sco_portal_apogee.get_portal_url()
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header = html_sco_header.sco_header(page_title="Chargement des photos")
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footer = html_sco_header.sco_footer()
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if not portal_url:
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return f"""{ header }
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<p>portail non configuré</p>
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<p><a href="{back_url}" class="stdlink">Retour au trombinoscope</a></p>
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{ footer }
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"""
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if not dialog_confirmed:
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return scu.confirm_dialog(
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f"""<h2>Copier les photos du portail vers ScoDoc ?</h2>
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<p>Les photos du groupe {groups_infos.groups_titles} présentes
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dans ScoDoc seront remplacées par celles du portail (si elles existent).
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</p>
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<p>(les photos sont normalement automatiquement copiées
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lors de leur première utilisation, l'usage de cette fonction
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n'est nécessaire que si les photos du portail ont été modifiées)
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</p>
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""",
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dest_url="",
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cancel_url=back_url,
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parameters={"group_ids": group_ids},
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)
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msg = []
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nok = 0
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for etud in groups_infos.members:
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path, diag = sco_photos.copy_portal_photo_to_fs(etud["etudid"])
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msg.append(diag)
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if path:
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nok += 1
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msg.append(f"<b>{nok} photos correctement chargées</b>")
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return f"""{ header }
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<h2>Chargement des photos depuis le portail</h2>
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<ul><li>
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{ '</li><li>'.join(msg) }
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</li></ul>
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<p><a href="{back_url}">retour au trombinoscope</a>
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{ footer }
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"""
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def _get_etud_platypus_image(t, image_width=2 * cm):
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"""Returns a platypus object for the photo of student t"""
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try:
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path = sco_photos.photo_pathname(t["photo_filename"], size="small")
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if not path:
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# log('> unknown')
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path = sco_photos.UNKNOWN_IMAGE_PATH
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im = PILImage.open(path)
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w0, h0 = im.size[0], im.size[1]
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if w0 > h0:
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W = image_width
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H = h0 * W / w0
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else:
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H = image_width
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W = w0 * H / h0
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return reportlab.platypus.Image(path, width=W, height=H)
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except:
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log(
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"*** exception while processing photo of %s (%s) (path=%s)"
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% (t["nom"], t["etudid"], path)
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)
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raise
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def _trombino_pdf(groups_infos):
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"Send photos as pdf page"
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# Generate PDF page
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filename = f"trombino_{groups_infos.groups_filename}.pdf"
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sem = groups_infos.formsemestre # suppose 1 seul semestre
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PHOTO_WIDTH = 3 * cm
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COL_WIDTH = 3.6 * cm
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N_PER_ROW = 5 # XXX should be in ScoDoc preferences
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style_sheet = styles.getSampleStyleSheet()
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report = io.BytesIO() # in-memory document, no disk file
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objects = [
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Paragraph(
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SU("Trombinoscope " + sem["titreannee"] + " " + groups_infos.groups_titles),
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style_sheet["Heading3"],
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)
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]
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L = []
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n = 0
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currow = []
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log(f"_trombino_pdf {len(groups_infos.members)} elements")
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for t in groups_infos.members:
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img = _get_etud_platypus_image(t, image_width=PHOTO_WIDTH)
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elem = Table(
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[
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[img],
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[
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Paragraph(
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SU(scu.format_nomprenom(t)),
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style_sheet["Normal"],
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)
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],
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],
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colWidths=[PHOTO_WIDTH],
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)
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currow.append(elem)
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if n == (N_PER_ROW - 1):
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L.append(currow)
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currow = []
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n = (n + 1) % N_PER_ROW
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if currow:
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currow += [" "] * (N_PER_ROW - len(currow))
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L.append(currow)
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if not L:
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table = Paragraph(SU("Aucune photo à exporter !"), style_sheet["Normal"])
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else:
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table = Table(
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L,
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colWidths=[COL_WIDTH] * N_PER_ROW,
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style=TableStyle(
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[
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# ('RIGHTPADDING', (0,0), (-1,-1), -5*mm),
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("VALIGN", (0, 0), (-1, -1), "TOP"),
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("GRID", (0, 0), (-1, -1), 0.25, colors.grey),
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]
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),
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)
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objects.append(table)
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# Build document
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document = BaseDocTemplate(report)
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document.addPageTemplates(
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sco_pdf.ScoDocPageTemplate(
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document,
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preferences=sco_preferences.SemPreferences(sem["formsemestre_id"]),
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)
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)
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document.build(objects)
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report.seek(0)
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return send_file(
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report,
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mimetype=scu.PDF_MIMETYPE,
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download_name=scu.sanitize_filename(filename),
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as_attachment=True,
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)
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# --------------------- Sur une idée de l'IUT d'Orléans:
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def _listeappel_photos_pdf(groups_infos):
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"Doc pdf pour liste d'appel avec photos"
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filename = f"trombino_{groups_infos.groups_filename}.pdf"
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sem = groups_infos.formsemestre # suppose 1 seul semestre
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PHOTO_WIDTH = 2 * cm
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# COLWIDTH = 3.6 * cm
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# ROWS_PER_PAGE = 26 # XXX should be in ScoDoc preferences
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style_sheet = styles.getSampleStyleSheet()
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report = io.BytesIO() # in-memory document, no disk file
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objects = [
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Paragraph(
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SU(
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f"""{sem["titreannee"]} {groups_infos.groups_titles} ({len(groups_infos.members)})"""
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),
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style_sheet["Heading3"],
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)
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]
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L = []
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n = 0
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currow = []
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log(f"_listeappel_photos_pdf {len(groups_infos.members)} elements")
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n = len(groups_infos.members)
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# npages = n / 2*ROWS_PER_PAGE + 1 # nb de pages papier
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# for page in range(npages):
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for i in range(n): # page*2*ROWS_PER_PAGE, (page+1)*2*ROWS_PER_PAGE):
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t = groups_infos.members[i]
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img = _get_etud_platypus_image(t, image_width=PHOTO_WIDTH)
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txt = Paragraph(
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SU(scu.format_nomprenom(t)),
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style_sheet["Normal"],
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)
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if currow:
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currow += [""]
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currow += [img, txt, ""]
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if i % 2:
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L.append(currow)
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currow = []
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if currow:
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currow += [" "] * 3
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L.append(currow)
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if not L:
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table = Paragraph(SU("Aucune photo à exporter !"), style_sheet["Normal"])
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else:
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table = Table(
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L,
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colWidths=[2 * cm, 4 * cm, 27 * mm, 5 * mm, 2 * cm, 4 * cm, 27 * mm],
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style=TableStyle(
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[
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# ('RIGHTPADDING', (0,0), (-1,-1), -5*mm),
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("VALIGN", (0, 0), (-1, -1), "TOP"),
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("GRID", (0, 0), (2, -1), 0.25, colors.grey),
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("GRID", (4, 0), (-1, -1), 0.25, colors.grey),
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]
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),
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)
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objects.append(table)
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# Build document
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document = BaseDocTemplate(report)
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document.addPageTemplates(
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sco_pdf.ScoDocPageTemplate(
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document,
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preferences=sco_preferences.SemPreferences(sem["formsemestre_id"]),
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)
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)
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document.build(objects)
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data = report.getvalue()
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return scu.sendPDFFile(data, filename)
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# --------------------- Upload des photos de tout un groupe
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def photos_generate_excel_sample(group_ids=()):
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"""Feuille excel pour import fichiers photos"""
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fmt = sco_import_etuds.sco_import_format()
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data = sco_import_etuds.sco_import_generate_excel_sample(
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fmt,
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group_ids=group_ids,
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only_tables=["identite"],
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exclude_cols=[
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|
"date_naissance",
|
|
"lieu_naissance",
|
|
"nationalite",
|
|
"statut",
|
|
"photo_filename",
|
|
],
|
|
extra_cols=["fichier_photo"],
|
|
)
|
|
return scu.send_file(
|
|
data, "ImportPhotos", scu.XLSX_SUFFIX, scu.XLSX_MIMETYPE, attached=True
|
|
)
|
|
# return sco_excel.send_excel_file(data, "ImportPhotos" + scu.XLSX_SUFFIX)
|
|
|
|
|
|
def photos_import_files_form(group_ids=()):
|
|
"""Formulaire pour importation photos"""
|
|
if not group_ids:
|
|
raise ScoValueError("paramètre manquant !")
|
|
groups_infos = sco_groups_view.DisplayedGroupsInfos(group_ids)
|
|
back_url = f"groups_view?{groups_infos.groups_query_args}&curtab=tab-photos"
|
|
|
|
H = [
|
|
html_sco_header.sco_header(page_title="Import des photos des étudiants"),
|
|
f"""<h2 class="formsemestre">Téléchargement des photos des étudiants</h2>
|
|
<p><b>Vous pouvez aussi charger les photos individuellement via la fiche
|
|
de chaque étudiant (menu "Étudiant" / "Changer la photo").</b>
|
|
</p>
|
|
<p class="help">Cette page permet de charger en une seule fois les photos
|
|
de plusieurs étudiants.<br>
|
|
Il faut d'abord remplir une feuille excel donnant les noms
|
|
des fichiers images (une image par étudiant).
|
|
</p>
|
|
<p class="help">Ensuite, réunir vos images dans un fichier zip, puis télécharger
|
|
simultanément le fichier excel et le fichier zip.
|
|
</p>
|
|
<ol>
|
|
<li><a class="stdlink" href="photos_generate_excel_sample?{groups_infos.groups_query_args}">
|
|
Obtenir la feuille excel à remplir</a>
|
|
</li>
|
|
<li style="padding-top: 2em;">
|
|
""",
|
|
]
|
|
F = html_sco_header.sco_footer()
|
|
vals = scu.get_request_args()
|
|
vals["group_ids"] = groups_infos.group_ids
|
|
tf = TrivialFormulator(
|
|
request.base_url,
|
|
vals,
|
|
(
|
|
("xlsfile", {"title": "Fichier Excel:", "input_type": "file", "size": 40}),
|
|
("zipfile", {"title": "Fichier zip:", "input_type": "file", "size": 40}),
|
|
("group_ids", {"input_type": "hidden", "type": "list"}),
|
|
),
|
|
)
|
|
|
|
if tf[0] == 0:
|
|
return "\n".join(H) + tf[1] + "</li></ol>" + F
|
|
elif tf[0] == -1:
|
|
return flask.redirect(back_url)
|
|
else:
|
|
|
|
def callback(etud: Identite, data, filename):
|
|
return sco_photos.store_photo(etud, data, filename)
|
|
|
|
(
|
|
ignored_zipfiles,
|
|
unmatched_files,
|
|
stored_etud_filename,
|
|
) = zip_excel_import_files(
|
|
xlsfile=tf[2]["xlsfile"],
|
|
zipfile=tf[2]["zipfile"],
|
|
callback=callback,
|
|
filename_title="fichier_photo",
|
|
back_url=back_url,
|
|
)
|
|
return render_template(
|
|
"scolar/photos_import_files.j2",
|
|
page_title="Téléchargement des photos des étudiants",
|
|
ignored_zipfiles=ignored_zipfiles,
|
|
unmatched_files=unmatched_files,
|
|
stored_etud_filename=stored_etud_filename,
|
|
next_page=url_for(
|
|
"scolar.groups_view",
|
|
scodoc_dept=g.scodoc_dept,
|
|
formsemestre_id=groups_infos.formsemestre_id,
|
|
curtab="tab-photos",
|
|
),
|
|
)
|
|
|
|
|
|
def _norm_zip_filename(fn, lowercase=True):
|
|
"normalisation used to match filenames"
|
|
fn = fn.replace("\\", "/") # not sure if this is necessary ?
|
|
fn = fn.strip()
|
|
if lowercase:
|
|
fn = fn.lower()
|
|
fn = fn.split("/")[-1] # use only last component, not directories
|
|
return fn
|
|
|
|
|
|
def zip_excel_import_files(
|
|
xlsfile=None,
|
|
zipfile=None,
|
|
callback=None,
|
|
filename_title="", # doit obligatoirement etre specifié
|
|
back_url=None,
|
|
):
|
|
"""Importation de fichiers à partir d'un excel et d'un zip
|
|
La fonction
|
|
callback()
|
|
est appelée pour chaque fichier trouvé.
|
|
Fonction utilisée pour les photos et les fichiers étudiants (archives).
|
|
"""
|
|
# 1- build mapping etudid -> filename
|
|
exceldata = xlsfile.read()
|
|
if not exceldata:
|
|
raise ScoValueError("Fichier excel vide ou invalide")
|
|
_, data = sco_excel.excel_bytes_to_list(exceldata)
|
|
if not data:
|
|
raise ScoValueError("Fichier excel vide !")
|
|
# on doit avoir une colonne etudid et une colonne filename_title ('fichier_photo')
|
|
titles = data[0]
|
|
try:
|
|
etudid_idx = titles.index("etudid")
|
|
filename_idx = titles.index(filename_title)
|
|
except Exception as exc:
|
|
raise ScoValueError(
|
|
f"Fichier excel incorrect (il faut une colonne etudid et une colonne {filename_title}) !"
|
|
) from exc
|
|
|
|
filename_to_etudid = {} # filename : etudid
|
|
for line_num, l in enumerate(data[1:]):
|
|
filename = l[filename_idx].strip()
|
|
if filename:
|
|
try:
|
|
filename_to_etudid[_norm_zip_filename(filename)] = int(l[etudid_idx])
|
|
except ValueError as exc:
|
|
raise ScoValueError(
|
|
f"etudid invalide ({l[etudid_idx]}) sur ligne {line_num+1} !",
|
|
dest_url=back_url,
|
|
) from exc
|
|
|
|
# 2- Ouvre le zip et
|
|
try:
|
|
z = ZipFile(zipfile)
|
|
except BadZipfile:
|
|
raise ScoValueError("Fichier ZIP incorrect !") from BadZipfile
|
|
ignored_zipfiles = []
|
|
stored_etud_filename = [] # [ (etud, filename) ]
|
|
for name in z.namelist():
|
|
if len(name) > 4 and name[-1] != "/" and "." in name:
|
|
try:
|
|
data = z.read(name)
|
|
except BadZipfile as exc:
|
|
raise ScoValueError(
|
|
f"Fichier Zip incorrect: erreur sur {name}", dest_url=back_url
|
|
) from exc
|
|
# match zip filename with name given in excel
|
|
normname = _norm_zip_filename(name)
|
|
if normname in filename_to_etudid:
|
|
etudid = filename_to_etudid[normname]
|
|
# ok, store photo
|
|
etud: Identite = db.session.get(Identite, etudid)
|
|
if not etud:
|
|
raise ScoValueError(
|
|
f"ID étudiant invalide: {etudid}", dest_url=back_url
|
|
)
|
|
del filename_to_etudid[normname]
|
|
status, err_msg = callback(
|
|
etud,
|
|
data,
|
|
_norm_zip_filename(name, lowercase=False),
|
|
)
|
|
if not status:
|
|
raise ScoValueError(f"Erreur: {err_msg}", dest_url=back_url)
|
|
stored_etud_filename.append((etud, name))
|
|
else:
|
|
log(f"zip: zip name {name} not in excel !")
|
|
ignored_zipfiles.append(name)
|
|
else:
|
|
if name[-1] != "/":
|
|
ignored_zipfiles.append(name)
|
|
log(f"zip: ignoring {name}")
|
|
if filename_to_etudid:
|
|
# lignes excel non traitées
|
|
unmatched_files = list(filename_to_etudid.keys())
|
|
else:
|
|
unmatched_files = []
|
|
return ignored_zipfiles, unmatched_files, stored_etud_filename
|