forked from ScoDoc/ScoDoc
222 lines
7.3 KiB
Python
222 lines
7.3 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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"""Dump base de données pour debug et support technique
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Le principe est le suivant:
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1- S'il existe une base en cours d'anonymisation, s'arrête et affiche un msg d'erreur l'utilisateur,
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qui peut décider de la supprimer.
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2- ScoDoc lance un script qui duplique la base (la copie de SCORT devient ANORT)
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- (si elle existe deja, s'arrête)
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createdb -E UTF-8 ANORT
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pg_dump SCORT | psql ANORT
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3- ScoDoc lance le script d'anonymisation config/anonymize_db.py qui:
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- vide ou anonymise certaines colonnes
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- dump cette base modifiée
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- supprime cette base.
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4- La copie dump anonymisé est uploadée.
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"""
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import os
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import fcntl
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import subprocess
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import requests
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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.mime.base import MIMEBase
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from email.header import Header
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import notesdb as ndb
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import sco_utils as scu
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from notes_log import log
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from sco_exceptions import ScoValueError
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SCO_DUMP_LOCK = "/tmp/scodump.lock"
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def sco_dump_and_send_db(context, REQUEST=None):
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"""Dump base de données du département courant et l'envoie anonymisée pour debug"""
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H = [context.sco_header(REQUEST, page_title="Assistance technique")]
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# get currect (dept) DB name:
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cursor = ndb.SimpleQuery(context, "SELECT current_database()", {})
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db_name = cursor.fetchone()[0]
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ano_db_name = "ANO" + db_name
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# Lock
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try:
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x = open(SCO_DUMP_LOCK, "w+")
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fcntl.flock(x, fcntl.LOCK_EX | fcntl.LOCK_NB)
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except (IOError, OSError): # exception changed from Python 2 to 3
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raise ScoValueError(
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"Un envoi de la base "
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+ db_name
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+ " est déjà en cours, re-essayer plus tard"
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)
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try:
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# Drop if exists
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_drop_ano_db(ano_db_name)
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# Duplicate database
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_duplicate_db(db_name, ano_db_name)
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# Anonymisation
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_anonymize_db(ano_db_name)
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# Send
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r = _send_db(context, REQUEST, ano_db_name)
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if (
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r.status_code
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== requests.codes.INSUFFICIENT_STORAGE # pylint: disable=no-member
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):
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H.append(
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"""<p class="warning">
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Erreur: espace serveur trop plein.
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Merci de contacter <a href="mailto:{0}">{0}</a></p>""".format(
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scu.SCO_DEV_MAIL
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)
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)
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elif r.status_code == requests.codes.OK: # pylint: disable=no-member
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H.append("""<p>Opération effectuée.</p>""")
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else:
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H.append(
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"""<p class="warning">
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Erreur: code <tt>{0} {1}</tt>
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Merci de contacter <a href="mailto:{2}">{2}</a></p>""".format(
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r.status_code, r.reason, scu.SCO_DEV_MAIL
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)
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)
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finally:
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# Drop anonymized database
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# XXX _drop_ano_db(ano_db_name)
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# Remove lock
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fcntl.flock(x, fcntl.LOCK_UN)
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log("sco_dump_and_send_db: done.")
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return "\n".join(H) + context.sco_footer(REQUEST)
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def _duplicate_db(db_name, ano_db_name):
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"""Create new database, and copy old one into"""
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cmd = ["createdb", "-E", "UTF-8", ano_db_name]
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log("sco_dump_and_send_db/_duplicate_db: {}".format(cmd))
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try:
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_ = subprocess.check_output(cmd)
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except subprocess.CalledProcessError as e:
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log("sco_dump_and_send_db: exception createdb {}".format(e))
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raise ScoValueError(
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"erreur lors de la creation de la base {}".format(ano_db_name)
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)
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cmd = "pg_dump {} | psql {}".format(db_name, ano_db_name)
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log("sco_dump_and_send_db/_duplicate_db: {}".format(cmd))
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try:
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_ = subprocess.check_output(cmd, shell=1)
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except subprocess.CalledProcessError as e:
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log("sco_dump_and_send_db: exception {}".format(e))
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raise ScoValueError(
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"erreur lors de la duplication de la base {} vers {}".format(
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db_name, ano_db_name
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)
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)
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def _anonymize_db(ano_db_name):
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"""Anonymize a departement database"""
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cmd = os.path.join(scu.SCO_TOOLS_DIR, "anonymize_db.py")
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log("_anonymize_db: {}".format(cmd))
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try:
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_ = subprocess.check_output([cmd, ano_db_name])
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except subprocess.CalledProcessError as e:
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log("sco_dump_and_send_db: exception in anonymisation: {}".format(e))
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raise ScoValueError(
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"erreur lors de l'anonymisation de la base {}".format(ano_db_name)
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)
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def _get_scodoc_serial(context):
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try:
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return int(open(os.path.join(scu.SCODOC_VERSION_DIR, "scodoc.sn")).read())
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except:
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return 0
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def _send_db(context, REQUEST, ano_db_name):
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"""Dump this (anonymized) database and send it to tech support"""
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log("dumping anonymized database {}".format(ano_db_name))
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try:
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data = subprocess.check_output("pg_dump {} | gzip".format(ano_db_name), shell=1)
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except subprocess.CalledProcessError as e:
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log("sco_dump_and_send_db: exception in anonymisation: {}".format(e))
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raise ScoValueError(
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"erreur lors de l'anonymisation de la base {}".format(ano_db_name)
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)
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log("uploading anonymized dump...")
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files = {"file": (ano_db_name + ".gz", data)}
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r = requests.post(
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scu.SCO_DUMP_UP_URL,
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files=files,
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data={
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"dept_name": context.get_preference("DeptName"),
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"serial": _get_scodoc_serial(context),
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"sco_user": str(REQUEST.AUTHENTICATED_USER),
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"sent_by": context.Users.user_info(str(REQUEST.AUTHENTICATED_USER))[
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"nomcomplet"
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],
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"sco_version": scu.SCOVERSION,
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"sco_fullversion": scu.get_scodoc_version(),
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},
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)
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return r
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def _drop_ano_db(ano_db_name):
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"""drop temp database if it exists"""
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existing_databases = [
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s.split("|")[0].strip()
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for s in subprocess.check_output(["psql", "-l"]).split("\n")[3:]
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]
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if ano_db_name not in existing_databases:
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log("_drop_ano_db: no temp db, nothing to drop")
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return
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cmd = ["dropdb", ano_db_name]
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log("sco_dump_and_send_db: {}".format(cmd))
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try:
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_ = subprocess.check_output(cmd)
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except subprocess.CalledProcessError as e:
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log("sco_dump_and_send_db: exception dropdb {}".format(e))
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raise ScoValueError(
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"erreur lors de la suppression de la base {}".format(ano_db_name)
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)
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