DocScoDoc/misc/change_enseignant.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Change un identifiant d'enseignant (pour corriger une erreur, typiquement un doublon)
(à lancer en tant qu'utilisateur postgres)
Emmanuel Viennet, 2007 - 2014
"""
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from __future__ import print_function
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import pdb, os, sys
import psycopg2
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from six.moves import input
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if len(sys.argv) != 4:
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print("Usage: %s database ancien_utilisateur nouvel_utilisateur" % sys.argv[0])
print("Exemple: change_enseignant.py SCOGEII toto tata")
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sys.exit(1)
dbname = sys.argv[1]
OLD_ID = sys.argv[2]
NEW_ID = sys.argv[3]
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DBCNXSTRING = "dbname=%s" % dbname
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# Confirmation
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ans = input(
"Remplacer le l'utilisateur %s par %s dans toute la base du departement %s ?"
% (OLD_ID, NEW_ID, dbname)
).strip()
if not ans or ans[0].lower() not in "oOyY":
print("annulation")
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sys.exit(-1)
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cnx = psycopg2.connect(DBCNXSTRING)
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cursor = cnx.cursor()
req = "update %s set %s=%%(new_id)s where %s=%%(old_id)s"
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args = {"old_id": OLD_ID, "new_id": NEW_ID}
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tables_attr = {
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"notes_formsemestre": "responsable_id",
"entreprise_contact": "enseignant",
"admissions": "rapporteur",
"notes_moduleimpl": "responsable_id",
"notes_modules_enseignants": "ens_id",
"notes_notes": "uid",
"notes_notes_log": "uid",
"notes_appreciations": "author",
}
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for (table, attr) in tables_attr.items():
cursor.execute(req % (table, attr, attr), args)
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print("table %s: %s" % (table, cursor.statusmessage))
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cnx.commit()