# -*- mode: python -*- # -*- coding: utf-8 -*- ############################################################################## # # Gestion scolarite IUT # # Copyright (c) 1999 - 2023 Emmanuel Viennet. All rights reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA # # Emmanuel Viennet emmanuel.viennet@gmail.com # ############################################################################## """Gestion des groupes, nouvelle mouture (juin/nov 2009) TODO: Optimisation possible: revoir do_evaluation_listeetuds_groups() pour extraire aussi les groupes (de chaque etudiant) et éviter ainsi l'appel ulterieur à get_etud_groups() dans _make_table_notes """ import collections import operator import time from xml.etree import ElementTree from xml.etree.ElementTree import Element import flask from flask import g, request from flask import url_for, make_response from sqlalchemy.sql import text from app import db from app.comp import res_sem from app.comp.res_compat import NotesTableCompat from app.models import FormSemestre, Identite from app.models import GROUPNAME_STR_LEN, SHORT_STR_LEN from app.models.groups import GroupDescr, Partition import app.scodoc.sco_utils as scu import app.scodoc.notesdb as ndb from app import log, cache from app.scodoc.scolog import logdb from app.scodoc import html_sco_header from app.scodoc import sco_cache from app.scodoc import sco_codes_parcours from app.scodoc import sco_cursus from app.scodoc import sco_etud from app.scodoc.sco_etud import etud_sort_key from app.scodoc import sco_permissions_check from app.scodoc import sco_xml from app.scodoc.sco_exceptions import ScoException, AccessDenied, ScoValueError from app.scodoc.TrivialFormulator import TrivialFormulator partitionEditor = ndb.EditableTable( "partition", "partition_id", ( "partition_id", "formsemestre_id", "partition_name", "compute_ranks", "numero", "bul_show_rank", "show_in_lists", "editable", ), input_formators={ "bul_show_rank": bool, "show_in_lists": bool, "editable": bool, }, ) groupEditor = ndb.EditableTable( "group_descr", "group_id", ("group_id", "partition_id", "group_name", "numero") ) group_list = groupEditor.list def get_group(group_id: int) -> dict: """Returns group object, with partition""" r = ndb.SimpleDictFetch( """SELECT gd.id AS group_id, gd.*, p.id AS partition_id, p.* FROM group_descr gd, partition p WHERE gd.id=%(group_id)s AND p.id = gd.partition_id """, {"group_id": group_id}, ) if not r: raise ScoValueError(f"Groupe inexistant ! (id {group_id})") return r[0] def group_delete(group_id: int): """Delete a group.""" # if not group['group_name'] and not force: # raise ValueError('cannot suppress this group') # remove memberships: ndb.SimpleQuery( "DELETE FROM group_membership WHERE group_id=%(group_id)s", {"group_id": group_id}, ) # delete group: ndb.SimpleQuery( "DELETE FROM group_descr WHERE id=%(group_id)s", {"group_id": group_id} ) def get_partition(partition_id): r = ndb.SimpleDictFetch( """SELECT p.id AS partition_id, p.* FROM partition p WHERE p.id = %(partition_id)s """, {"partition_id": partition_id}, ) if not r: raise ScoValueError(f"Partition inconnue (déjà supprimée ?) ({partition_id})") return r[0] def get_partitions_list(formsemestre_id, with_default=True) -> list[dict]: """Liste des partitions pour ce semestre (list of dicts), triées par numéro, avec la partition par défaut en fin de liste. """ partitions = ndb.SimpleDictFetch( """SELECT p.id AS partition_id, p.* FROM partition p WHERE formsemestre_id=%(formsemestre_id)s ORDER BY numero""", {"formsemestre_id": formsemestre_id}, ) # Move 'all' at end of list (for menus) R = [p for p in partitions if p["partition_name"] is not None] if with_default: R += [p for p in partitions if p["partition_name"] is None] return R def get_default_partition(formsemestre_id): """Get partition for 'all' students (this one always exists, with NULL name)""" r = ndb.SimpleDictFetch( """SELECT p.id AS partition_id, p.* FROM partition p WHERE formsemestre_id=%(formsemestre_id)s AND partition_name is NULL """, {"formsemestre_id": formsemestre_id}, ) if len(r) != 1: raise ScoException( "inconsistent partition: %d with NULL name for formsemestre_id=%s" % (len(r), formsemestre_id) ) return r[0] def get_formsemestre_groups(formsemestre_id, with_default=False): """Returns ( partitions, { partition_id : { etudid : group } } ).""" partitions = get_partitions_list(formsemestre_id, with_default=with_default) partitions_etud_groups = {} # { partition_id : { etudid : group } } for partition in partitions: pid = partition["partition_id"] partitions_etud_groups[pid] = get_etud_groups_in_partition(pid) return partitions, partitions_etud_groups def get_formsemestre_etuds_groups(formsemestre_id: int) -> dict: """{ etudid : { partition_id : group_id } }""" infos = ndb.SimpleDictFetch( """SELECT etudid, p.id AS partition_id, gd.id AS group_id FROM group_descr gd, group_membership gm, partition p WHERE gd.partition_id = p.id AND gm.group_id = gd.id AND p.formsemestre_id = %(formsemestre_id)s """, {"formsemestre_id": formsemestre_id}, ) # -> {'etudid': 16483, 'group_id': 5317, 'partition_id': 2264}, d = collections.defaultdict(lambda: {}) for i in infos: d[i["etudid"]][i["partition_id"]] = i["group_id"] return d def get_partition_groups(partition): """List of groups in this partition (list of dicts). Some groups may be empty.""" return ndb.SimpleDictFetch( """SELECT gd.id AS group_id, p.id AS partition_id, gd.*, p.* FROM group_descr gd, partition p WHERE gd.partition_id=%(partition_id)s AND gd.partition_id=p.id ORDER BY gd.numero """, partition, ) def get_default_group(formsemestre_id, fix_if_missing=False): """Returns group_id for default ('tous') group""" r = ndb.SimpleDictFetch( """SELECT gd.id AS group_id FROM group_descr gd, partition p WHERE p.formsemestre_id=%(formsemestre_id)s AND p.partition_name is NULL AND p.id = gd.partition_id """, {"formsemestre_id": formsemestre_id}, ) if len(r) == 0 and fix_if_missing: # No default group (problem during sem creation) # Try to create it log( f"""*** Warning: get_default_group(formsemestre_id={formsemestre_id }): default group missing, recreating it""" ) try: partition_id = get_default_partition(formsemestre_id)["partition_id"] except ScoException: log(f"creating default partition for {formsemestre_id}") partition_id = partition_create( formsemestre_id, default=True, redirect=False ) group = create_group(partition_id, default=True) return group.id # debug check if len(r) != 1: raise ScoException(f"invalid group structure for {formsemestre_id}") group_id = r[0]["group_id"] return group_id def get_sem_groups(formsemestre_id): """Returns groups for this sem (in all partitions).""" return ndb.SimpleDictFetch( """SELECT gd.id AS group_id, p.id AS partition_id, gd.*, p.* FROM group_descr gd, partition p WHERE p.formsemestre_id=%(formsemestre_id)s AND p.id = gd.partition_id """, {"formsemestre_id": formsemestre_id}, ) def get_group_members(group_id, etat=None): """Liste des etudiants d'un groupe. Si etat, filtre selon l'état de l'inscription Trié par nom_usuel (ou nom) puis prénom """ req = """SELECT i.id as etudid, i.*, a.*, gm.*, ins.etat FROM identite i, adresse a, group_membership gm, group_descr gd, partition p, notes_formsemestre_inscription ins WHERE i.id = gm.etudid and a.etudid = i.id and ins.etudid = i.id and ins.formsemestre_id = p.formsemestre_id and p.id = gd.partition_id and gd.id = gm.group_id and gm.group_id=%(group_id)s """ if etat is not None: req += " and ins.etat = %(etat)s" r = ndb.SimpleDictFetch(req, {"group_id": group_id, "etat": etat}) for etud in r: sco_etud.format_etud_ident(etud) # tri selon nom_usuel ou nom, sans accents r.sort(key=etud_sort_key) if scu.CONFIG.ALLOW_NULL_PRENOM: for x in r: x["prenom"] = x["prenom"] or "" return r def get_group_infos(group_id, etat=None): # was _getlisteetud """legacy code: used by group_list and trombino""" from app.scodoc import sco_formsemestre cnx = ndb.GetDBConnexion() group = get_group(group_id) sem = sco_formsemestre.get_formsemestre(group["formsemestre_id"]) members = get_group_members(group_id, etat=etat) # add human readable description of state: nbdem = 0 for t in members: if t["etat"] == scu.INSCRIT: t["etath"] = "" # etudiant inscrit, ne l'indique pas dans la liste HTML elif t["etat"] == scu.DEMISSION: events = sco_etud.scolar_events_list( cnx, args={ "etudid": t["etudid"], "formsemestre_id": group["formsemestre_id"], }, ) for event in events: event_type = event["event_type"] if event_type == "DEMISSION": t["date_dem"] = event["event_date"] break if "date_dem" in t: t["etath"] = "démission le %s" % t["date_dem"] else: t["etath"] = "(dem.)" nbdem += 1 elif t["etat"] == sco_codes_parcours.DEF: t["etath"] = "Défaillant" else: t["etath"] = t["etat"] # Add membership for all partitions, 'partition_id' : group for etud in members: # long: comment eviter ces boucles ? etud_add_group_infos(etud, sem["formsemestre_id"]) if group["partition_name"] is None: group_tit = "tous" else: group_tit = f"""{group["partition_name"]} {group["group_name"]}""" return members, group, group_tit, sem, nbdem def get_group_other_partitions(group): """Liste des partitions du même semestre que ce groupe, sans celle qui contient ce groupe. """ other_partitions = [ p for p in get_partitions_list(group["formsemestre_id"]) if p["partition_id"] != group["partition_id"] and p["partition_name"] ] return other_partitions def get_etud_groups(etudid: int, formsemestre_id: int, exclude_default=False): """Infos sur groupes de l'etudiant dans ce semestre [ group + partition_name ] """ req = """SELECT p.id AS partition_id, p.*, g.id AS group_id, g.numero as group_numero, g.group_name FROM group_descr g, partition p, group_membership gm WHERE gm.etudid=%(etudid)s and gm.group_id = g.id and g.partition_id = p.id and p.formsemestre_id = %(formsemestre_id)s """ if exclude_default: req += " and p.partition_name is not NULL" groups = ndb.SimpleDictFetch( req + " ORDER BY p.numero", {"etudid": etudid, "formsemestre_id": formsemestre_id}, ) return _sortgroups(groups) def get_etud_main_group(etudid: int, formsemestre_id: int): """Return main group (the first one) for etud, or default one if no groups""" groups = get_etud_groups(etudid, formsemestre_id, exclude_default=True) if groups: return groups[0] else: return get_group(get_default_group(formsemestre_id)) def formsemestre_get_main_partition(formsemestre_id): """Return main partition (the first one) for sem, or default one if no groups (rappel: default == tous, main == principale (groupes TD habituellement) """ return get_partitions_list(formsemestre_id, with_default=True)[0] def formsemestre_get_etud_groupnames(formsemestre_id, attr="group_name"): """Recupere les groupes de tous les etudiants d'un semestre { etudid : { partition_id : group_name }} (attr=group_name or group_id) """ infos = ndb.SimpleDictFetch( """SELECT i.etudid AS etudid, p.id AS partition_id, gd.group_name, gd.id AS group_id FROM notes_formsemestre_inscription i, partition p, group_descr gd, group_membership gm WHERE i.formsemestre_id=%(formsemestre_id)s and i.formsemestre_id = p.formsemestre_id and p.id = gd.partition_id and gm.etudid = i.etudid and gm.group_id = gd.id and p.partition_name is not NULL """, {"formsemestre_id": formsemestre_id}, ) R = {} for info in infos: if info["etudid"] in R: R[info["etudid"]][info["partition_id"]] = info[attr] else: R[info["etudid"]] = {info["partition_id"]: info[attr]} return R def get_etud_formsemestre_groups( etud: Identite, formsemestre: FormSemestre, only_to_show=True ) -> list[GroupDescr]: """Liste les groupes auxquels est inscrit. Si only_to_show (défaut vrai), ne donne que les groupes "visiables", c'est à dire des partitions avec show_in_lists True. """ # Note: je n'ai pas réussi à construire une requete SQLAlechemy avec # la Table d'association group_membership cursor = db.session.execute( text( """ SELECT g.id FROM group_descr g, group_membership gm, partition p WHERE gm.etudid = :etudid AND gm.group_id = g.id AND g.partition_id = p.id AND p.formsemestre_id = :formsemestre_id AND p.partition_name is not NULL """ + (" and (p.show_in_lists is True) " if only_to_show else "") + """ ORDER BY p.numero """ ), {"etudid": etud.id, "formsemestre_id": formsemestre.id}, ) return [GroupDescr.query.get(group_id) for group_id in cursor] # Ancienne fonction: def etud_add_group_infos(etud, formsemestre_id, sep=" ", only_to_show=False): """Add informations on partitions and group memberships to etud (a dict with an etudid) If only_to_show, restrict to partions such that show_in_lists is True. etud['partitions'] = { partition_id : group + partition_name } etud['groupes'] = "TDB, Gr2, TPB1" etud['partitionsgroupes'] = "Groupes TD:TDB, Groupes TP:Gr2 (...)" """ etud[ "partitions" ] = collections.OrderedDict() # partition_id : group + partition_name if not formsemestre_id: etud["groupes"] = "" return etud infos = ndb.SimpleDictFetch( """SELECT p.partition_name, p.show_in_lists, g.*, g.id AS group_id FROM group_descr g, partition p, group_membership gm WHERE gm.etudid=%(etudid)s and gm.group_id = g.id and g.partition_id = p.id and p.formsemestre_id = %(formsemestre_id)s """ + (" and (p.show_in_lists is True) " if only_to_show else "") + """ ORDER BY p.numero """, {"etudid": etud["etudid"], "formsemestre_id": formsemestre_id}, ) for info in infos: if info["partition_name"]: etud["partitions"][info["partition_id"]] = info # resume textuel des groupes: etud["groupes"] = sep.join( [gr["group_name"] for gr in infos if gr["group_name"] is not None] ) etud["partitionsgroupes"] = sep.join( [ (gr["partition_name"] or "") + ":" + gr["group_name"] for gr in infos if gr["group_name"] is not None ] ) return etud @cache.memoize(timeout=50) # seconds def get_etud_groups_in_partition(partition_id): """Returns { etudid : group }, with all students in this partition""" infos = ndb.SimpleDictFetch( """SELECT gd.id AS group_id, gd.*, etudid FROM group_descr gd, group_membership gm WHERE gd.partition_id = %(partition_id)s AND gm.group_id = gd.id """, {"partition_id": partition_id}, ) R = {} for i in infos: R[i["etudid"]] = i return R def formsemestre_partition_list(formsemestre_id, format="xml"): """Get partitions and groups in this semestre Supported formats: xml, json """ partitions = get_partitions_list(formsemestre_id, with_default=True) # Ajoute les groupes for p in partitions: p["group"] = get_partition_groups(p) return scu.sendResult(partitions, name="partition", format=format) # Encore utilisé par groupmgr.js def XMLgetGroupsInPartition(partition_id): # was XMLgetGroupesTD """ Deprecated: use group_list Liste des étudiants dans chaque groupe de cette partition. ... """ t0 = time.time() partition = get_partition(partition_id) formsemestre_id = partition["formsemestre_id"] formsemestre = FormSemestre.query.get_or_404(formsemestre_id) etuds_set = {ins.etudid for ins in formsemestre.inscriptions} groups = get_partition_groups(partition) # Build XML: t1 = time.time() doc = Element("ajax-response") x_response = Element("response", type="object", id="MyUpdater") doc.append(x_response) for group in groups: x_group = Element( "group", partition_id=str(partition_id), partition_name=partition["partition_name"], groups_editable=str(int(partition["groups_editable"])), group_id=str(group["group_id"]), group_name=group["group_name"], ) x_response.append(x_group) for e in get_group_members(group["group_id"]): etud = sco_etud.get_etud_info(etudid=e["etudid"], filled=True)[0] x_group.append( Element( "etud", etudid=str(e["etudid"]), civilite=etud["civilite_str"], sexe=etud["civilite_str"], # compat nom=sco_etud.format_nom(etud["nom"]), prenom=sco_etud.format_prenom(etud["prenom"]), origin=_comp_etud_origin(etud, formsemestre), ) ) if e["etudid"] in etuds_set: etuds_set.remove(e["etudid"]) # etudiant vu dans un groupe # Ajoute les etudiants inscrits au semestre mais dans aucun groupe de cette partition: if etuds_set: x_group = Element( "group", partition_id=str(partition_id), partition_name=partition["partition_name"], groups_editable=str(int(partition["groups_editable"])), group_id="_none_", group_name="", ) doc.append(x_group) for etudid in etuds_set: etud = sco_etud.get_etud_info(etudid=etudid, filled=True)[0] x_group.append( Element( "etud", etudid=str(etud["etudid"]), sexe=etud["civilite_str"], nom=sco_etud.format_nom(etud["nom"]), prenom=sco_etud.format_prenom(etud["prenom"]), origin=_comp_etud_origin(etud, formsemestre), ) ) t2 = time.time() log(f"XMLgetGroupsInPartition: {t2-t0} seconds ({t1-t0}+{t2-t1})") # XML response: data = sco_xml.XML_HEADER + ElementTree.tostring(doc).decode(scu.SCO_ENCODING) response = make_response(data) response.headers["Content-Type"] = scu.XML_MIMETYPE return response def _comp_etud_origin(etud: dict, cur_formsemestre: FormSemestre): """breve description de l'origine de l'étudiant (sem. precedent) (n'indique l'origine que si ce n'est pas le semestre precedent normal) """ # cherche le semestre suivant le sem. courant dans la liste cur_sem_idx = None for i in range(len(etud["sems"])): if etud["sems"][i]["formsemestre_id"] == cur_formsemestre.id: cur_sem_idx = i break if cur_sem_idx is None or (cur_sem_idx + 1) >= (len(etud["sems"]) - 1): return "" # on pourrait indiquer le bac mais en general on ne l'a pas en debut d'annee prev_sem = etud["sems"][cur_sem_idx + 1] if prev_sem["semestre_id"] != (cur_formsemestre.semestre_id - 1): return f" (S{prev_sem['semestre_id']})" else: return "" # parcours normal, ne le signale pas def set_group(etudid: int, group_id: int) -> bool: """Inscrit l'étudiant au groupe. Return True if ok, False si deja inscrit. Warning: - don't check if group_id exists (the caller should check). - don't check if group's partition is editable """ cnx = ndb.GetDBConnexion() cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor) args = {"etudid": etudid, "group_id": group_id} # déjà inscrit ? r = ndb.SimpleDictFetch( "SELECT * FROM group_membership gm WHERE etudid=%(etudid)s and group_id=%(group_id)s", args, cursor=cursor, ) if len(r): return False # inscrit ndb.SimpleQuery( "INSERT INTO group_membership (etudid, group_id) VALUES (%(etudid)s, %(group_id)s)", args, cursor=cursor, ) return True def change_etud_group_in_partition(etudid: int, group_id: int, partition: dict = None): """Inscrit etud au groupe de cette partition, et le desinscrit d'autres groupes de cette partition. """ log("change_etud_group_in_partition: etudid=%s group_id=%s" % (etudid, group_id)) # 0- La partition group = get_group(group_id) if partition: # verifie que le groupe est bien dans cette partition: if group["partition_id"] != partition["partition_id"]: raise ValueError( "inconsistent group/partition (group_id=%s, partition_id=%s)" % (group_id, partition["partition_id"]) ) else: partition = get_partition(group["partition_id"]) # 1- Supprime membership dans cette partition ndb.SimpleQuery( """DELETE FROM group_membership gm WHERE EXISTS (SELECT 1 FROM group_descr gd WHERE gm.etudid = %(etudid)s AND gm.group_id = gd.id AND gd.partition_id = %(partition_id)s) """, {"etudid": etudid, "partition_id": partition["partition_id"]}, ) # 2- associe au nouveau groupe set_group(etudid, group_id) # 3- log formsemestre_id = partition["formsemestre_id"] cnx = ndb.GetDBConnexion() logdb( cnx, method="changeGroup", etudid=etudid, msg="formsemestre_id=%s,partition_name=%s, group_name=%s" % (formsemestre_id, partition["partition_name"], group["group_name"]), ) cnx.commit() # 5- Update parcours formsemestre: FormSemestre = FormSemestre.query.get(formsemestre_id) formsemestre.update_inscriptions_parcours_from_groups() # 6- invalidate cache sco_cache.invalidate_formsemestre( formsemestre_id=formsemestre_id ) # > change etud group def setGroups( partition_id, groupsLists="", # members of each existing group groupsToCreate="", # name and members of new groups groupsToDelete="", # groups to delete ): """Affect groups (Ajax POST request): renvoie du XML groupsLists: lignes de la forme "group_id;etudid;...\n" groupsToCreate: lignes "group_name;etudid;...\n" groupsToDelete: group_id;group_id;... Ne peux pas modifier les groupes des partitions non éditables. """ from app.scodoc import sco_formsemestre def xml_error(msg, code=404): data = ( f'Error: {msg}' ) response = make_response(data, code) response.headers["Content-Type"] = scu.XML_MIMETYPE return response partition = get_partition(partition_id) if not partition["groups_editable"] and (groupsToCreate or groupsToDelete): msg = "setGroups: partition non editable" log(msg) return xml_error(msg, code=403) formsemestre_id = partition["formsemestre_id"] if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") log("***setGroups: partition_id=%s" % partition_id) log("groupsLists=%s" % groupsLists) log("groupsToCreate=%s" % groupsToCreate) log("groupsToDelete=%s" % groupsToDelete) sem = sco_formsemestre.get_formsemestre(formsemestre_id) if not sem["etat"]: raise AccessDenied("Modification impossible: semestre verrouillé") groupsToDelete = [g for g in groupsToDelete.split(";") if g] etud_groups = formsemestre_get_etud_groupnames(formsemestre_id, attr="group_id") for line in groupsLists.split("\n"): # for each group_id (one per line) fs = line.split(";") group_id = fs[0].strip() if not group_id: continue try: group_id = int(group_id) except ValueError: log(f"setGroups: ignoring invalid group_id={group_id}") continue group = get_group(group_id) # Anciens membres du groupe: old_members = get_group_members(group_id) old_members_set = set([x["etudid"] for x in old_members]) # Place dans ce groupe les etudiants indiqués: for etudid_str in fs[1:-1]: etudid = int(etudid_str) if etudid in old_members_set: old_members_set.remove( etudid ) # a nouveau dans ce groupe, pas besoin de l'enlever if (etudid not in etud_groups) or ( group_id != etud_groups[etudid].get(partition_id, "") ): # pas le meme groupe qu'actuel change_etud_group_in_partition(etudid, group_id, partition) # Retire les anciens membres: cnx = ndb.GetDBConnexion() cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor) for etudid in old_members_set: log("removing %s from group %s" % (etudid, group_id)) ndb.SimpleQuery( "DELETE FROM group_membership WHERE etudid=%(etudid)s and group_id=%(group_id)s", {"etudid": etudid, "group_id": group_id}, cursor=cursor, ) logdb( cnx, method="removeFromGroup", etudid=etudid, msg="formsemestre_id=%s,partition_name=%s, group_name=%s" % (formsemestre_id, partition["partition_name"], group["group_name"]), ) # Supprime les groupes indiqués comme supprimés: for group_id in groupsToDelete: delete_group(group_id, partition_id=partition_id) # Crée les nouveaux groupes for line in groupsToCreate.split("\n"): # for each group_name (one per line) fs = line.split(";") group_name = fs[0].strip() if not group_name: continue try: group = create_group(partition_id, group_name) except ScoValueError as exc: msg = exc.args[0] if len(exc.args) > 0 else "erreur inconnue" return xml_error(msg, code=404) # Place dans ce groupe les etudiants indiqués: for etudid in fs[1:-1]: change_etud_group_in_partition(etudid, group.id, partition) # Update parcours formsemestre = FormSemestre.query.get(formsemestre_id) formsemestre.update_inscriptions_parcours_from_groups() data = ( 'Groupes enregistrés' ) response = make_response(data) response.headers["Content-Type"] = scu.XML_MIMETYPE return response def create_group(partition_id, group_name="", default=False) -> GroupDescr: """Create a new group in this partition. If default, create default partition (with no name) """ partition = Partition.query.get_or_404(partition_id) if not sco_permissions_check.can_change_groups(partition.formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") # if group_name: group_name = group_name.strip() if not group_name and not default: raise ValueError("invalid group name: ()") if not GroupDescr.check_name(partition, group_name, default=default): raise ScoValueError(f"Le groupe {group_name} existe déjà dans cette partition") numeros = [g.numero if g.numero is not None else 0 for g in partition.groups] if len(numeros) > 0: new_numero = max(numeros) + 1 else: new_numero = 0 group = GroupDescr(partition=partition, group_name=group_name, numero=new_numero) db.session.add(group) db.session.commit() log("create_group: created group_id={group.id}") # return group def delete_group(group_id, partition_id=None): """form suppression d'un groupe. (ne desinscrit pas les etudiants, change juste leur affectation aux groupes) partition_id est optionnel et ne sert que pour verifier que le groupe est bien dans cette partition. S'il s'agit d'un groupe de parcours, affecte l'inscription des étudiants aux parcours. """ group = GroupDescr.query.get_or_404(group_id) if partition_id: if partition_id != group.partition_id: raise ValueError("inconsistent partition/group") if not sco_permissions_check.can_change_groups(group.partition.formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") log(f"delete_group: group={group} partition={group.partition}") formsemestre = group.partition.formsemestre group_delete(group.id) formsemestre.update_inscriptions_parcours_from_groups() def partition_create( formsemestre_id, partition_name="", default=False, numero=None, redirect=True, ): """Create a new partition""" if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") if partition_name: partition_name = str(partition_name).strip() if default: partition_name = None if not partition_name and not default: raise ScoValueError("Nom de partition invalide (vide)") redirect = int(redirect) # checkGroupName(partition_name) if partition_name in [ p["partition_name"] for p in get_partitions_list(formsemestre_id) ]: raise ScoValueError( "Il existe déjà une partition %s dans ce semestre" % partition_name ) cnx = ndb.GetDBConnexion() if numero is None: numero = ( ndb.SimpleQuery( "SELECT MAX(id) FROM partition WHERE formsemestre_id=%(formsemestre_id)s", {"formsemestre_id": formsemestre_id}, ).fetchone()[0] or 0 ) partition_id = partitionEditor.create( cnx, { "formsemestre_id": formsemestre_id, "partition_name": partition_name, "numero": numero, }, ) log("createPartition: created partition_id=%s" % partition_id) # if redirect: return flask.redirect( url_for( "scolar.edit_partition_form", scodoc_dept=g.scodoc_dept, formsemestre_id=formsemestre_id, ) ) else: return partition_id def get_arrow_icons_tags(): """returns html tags for arrows""" # arrow_up = scu.icontag("arrow_up", title="remonter") arrow_down = scu.icontag("arrow_down", title="descendre") arrow_none = scu.icontag("arrow_none", title="") return arrow_up, arrow_down, arrow_none def edit_partition_form(formsemestre_id=None): """Form to create/suppress partitions""" # ad-hoc form if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") formsemestre = FormSemestre.query.get_or_404(formsemestre_id) partitions = get_partitions_list(formsemestre_id) arrow_up, arrow_down, arrow_none = get_arrow_icons_tags() suppricon = scu.icontag( "delete_small_img", border="0", alt="supprimer", title="Supprimer" ) # H = [ html_sco_header.sco_header( page_title="Partitions...", javascripts=["js/edit_partition_form.js"], ), # limite à SHORT_STR_LEN r""" """, r"""

Partitions du semestre

""", ] i = 0 for p in partitions: if p["partition_name"] is not None: H.append( f""" """ ) H.append("""""") if p["groups_editable"]: H.append( f"""""" ) else: H.append("""""") # classement: H.append('") # H.append("") H.append("
PartitionGroupes
{suppricon} """ ) if i != 0: H.append( f"""{arrow_up}""" ) H.append('') if i < len(partitions) - 2: H.append( f"""{arrow_down}""" ) i += 1 H.append( f""" {p["partition_name"] or ""} """ ) lg = [ f"""{group["group_name"]} ({len(get_group_members(group["group_id"]))})""" for group in get_partition_groups(p) ] H.append(", ".join(lg)) H.append("""""") H.append( f"""répartirrenommernon éditable') if p["bul_show_rank"]: checked = 'checked="1"' else: checked = "" H.append( '
afficher rang sur bulletins
' % (p["partition_id"], checked) ) if p["show_in_lists"]: checked = 'checked="1"' else: checked = "" H.append( f"""
Afficher ces groupes sur les tableaux et bulletins
""" ) H.append("
") H.append( f"""
""" ) if formsemestre.formation.is_apc() and scu.PARTITION_PARCOURS not in ( p["partition_name"] for p in partitions ): # propose création partition "Parcours" H.append( f"""
Créer une partition avec un groupe par parcours (BUT)
""" ) H.append( """
""" ) H.append( """

Les partitions sont des découpages de l'ensemble des étudiants. Par exemple, les "groupes de TD" sont une partition. On peut créer autant de partitions que nécessaire.

""" ) return "\n".join(H) + html_sco_header.sco_footer() def partition_set_attr(partition_id, attr, value): """Set partition attribute: bul_show_rank or show_in_lists""" if attr not in {"bul_show_rank", "show_in_lists"}: raise ValueError("invalid partition attribute: %s" % attr) partition = get_partition(partition_id) formsemestre_id = partition["formsemestre_id"] if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") log("partition_set_attr(%s, %s, %s)" % (partition_id, attr, value)) value = int(value) cnx = ndb.GetDBConnexion() partition[attr] = value partitionEditor.edit(cnx, partition) # invalid bulletin cache sco_cache.invalidate_formsemestre(formsemestre_id=partition["formsemestre_id"]) return "enregistré" def partition_delete(partition_id, force=False, redirect=1, dialog_confirmed=False): """Suppress a partition (and all groups within). The default partition cannot be suppressed (unless force). Si la partition de parcours est supprimée, les étudiants sont désinscrits des parcours. """ partition = get_partition(partition_id) formsemestre_id = partition["formsemestre_id"] if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") formsemestre = FormSemestre.query.get_or_404(formsemestre_id) if not partition["partition_name"] and not force: raise ValueError("cannot suppress this partition") redirect = int(redirect) cnx = ndb.GetDBConnexion() groups = get_partition_groups(partition) if not dialog_confirmed: if groups: grnames = "(" + ", ".join([g["group_name"] or "" for g in groups]) + ")" else: grnames = "" return scu.confirm_dialog( """

Supprimer la partition "%s" ?

Les groupes %s de cette partition seront supprimés

""" % (partition["partition_name"], grnames), dest_url="", cancel_url="edit_partition_form?formsemestre_id=%s" % formsemestre_id, parameters={"redirect": redirect, "partition_id": partition_id}, ) log("partition_delete: partition_id=%s" % partition_id) # 1- groups for group in groups: group_delete(group["group_id"]) # 2- partition partitionEditor.delete(cnx, partition_id) formsemestre.update_inscriptions_parcours_from_groups() # redirect to partition edit page: if redirect: return flask.redirect( "edit_partition_form?formsemestre_id=" + str(formsemestre_id) ) def partition_move(partition_id, after=0, redirect=1): """Move before/after previous one (decrement/increment numero)""" partition = get_partition(partition_id) formsemestre_id = partition["formsemestre_id"] if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") # redirect = int(redirect) after = int(after) # 0: deplace avant, 1 deplace apres if after not in (0, 1): raise ValueError('invalid value for "after"') others = get_partitions_list(formsemestre_id) objs = ( Partition.query.filter_by(formsemestre_id=formsemestre_id) .order_by(Partition.numero, Partition.partition_name) .all() ) if len({o.numero for o in objs}) != len(objs): # il y a des numeros identiques ! scu.objects_renumber(db, objs) if len(others) > 1: pidx = [p["partition_id"] for p in others].index(partition_id) # log("partition_move: after=%s pidx=%s" % (after, pidx)) neigh = None # partition to swap with if after == 0 and pidx > 0: neigh = others[pidx - 1] elif after == 1 and pidx < len(others) - 1: neigh = others[pidx + 1] if neigh: # # swap numero between partition and its neighbor # log("moving partition %s" % partition_id) cnx = ndb.GetDBConnexion() # Si aucun numéro n'a été affecté, le met au minimum min_numero = ( ndb.SimpleQuery( "SELECT MIN(numero) FROM partition WHERE formsemestre_id=%(formsemestre_id)s", {"formsemestre_id": formsemestre_id}, ).fetchone()[0] or 0 ) if neigh["numero"] is None: neigh["numero"] = min_numero - 1 if partition["numero"] is None: partition["numero"] = min_numero - 1 - after partition["numero"], neigh["numero"] = neigh["numero"], partition["numero"] partitionEditor.edit(cnx, partition) partitionEditor.edit(cnx, neigh) sco_cache.invalidate_formsemestre(formsemestre_id=formsemestre_id) # redirect to partition edit page: if redirect: return flask.redirect( "edit_partition_form?formsemestre_id=" + str(formsemestre_id) ) def partition_rename(partition_id): """Form to rename a partition""" partition = get_partition(partition_id) formsemestre_id = partition["formsemestre_id"] if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") H = ["

Renommer une partition

"] tf = TrivialFormulator( request.base_url, scu.get_request_args(), ( ("partition_id", {"default": partition_id, "input_type": "hidden"}), ( "partition_name", { "title": "Nouveau nom", "default": partition["partition_name"], "allow_null": False, "size": 12, "validator": lambda val, _: (len(val) < SHORT_STR_LEN) and (val != scu.PARTITION_PARCOURS), }, ), ), submitlabel="Renommer", cancelbutton="Annuler", ) if tf[0] == 0: return ( html_sco_header.sco_header() + "\n".join(H) + "\n" + tf[1] + html_sco_header.sco_footer() ) elif tf[0] == -1: return flask.redirect( "edit_partition_form?formsemestre_id=" + str(formsemestre_id) ) else: # form submission return partition_set_name(partition_id, tf[2]["partition_name"]) def partition_set_name(partition_id, partition_name, redirect=1): """Set partition name""" partition_name = str(partition_name).strip() if not partition_name: raise ValueError("partition name must be non empty") partition = get_partition(partition_id) if partition["partition_name"] is None: raise ValueError("can't set a name to default partition") if partition_name == scu.PARTITION_PARCOURS: raise ScoValueError(f"nom de partition {scu.PARTITION_PARCOURS} réservé.") formsemestre_id = partition["formsemestre_id"] # check unicity r = ndb.SimpleDictFetch( """SELECT p.* FROM partition p WHERE p.partition_name = %(partition_name)s AND formsemestre_id = %(formsemestre_id)s """, {"partition_name": partition_name, "formsemestre_id": formsemestre_id}, ) if len(r) > 1 or (len(r) == 1 and r[0]["id"] != partition_id): raise ScoValueError( f"Partition {partition_name} déjà existante dans ce semestre !" ) if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") redirect = int(redirect) cnx = ndb.GetDBConnexion() partitionEditor.edit( cnx, {"partition_id": partition_id, "partition_name": partition_name} ) sco_cache.invalidate_formsemestre(formsemestre_id=formsemestre_id) # redirect to partition edit page: if redirect: return flask.redirect( "edit_partition_form?formsemestre_id=" + str(formsemestre_id) ) def group_set_name(group: GroupDescr, group_name: str, redirect=True): """Set group name""" if not sco_permissions_check.can_change_groups(group.partition.formsemestre.id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") if group.group_name is None: raise ValueError("can't set a name to default group") destination = url_for( "scolar.affect_groups", scodoc_dept=g.scodoc_dept, partition_id=group.partition_id, ) if group_name: group_name = group_name.strip() if not group_name: raise ScoValueError("nom de groupe vide !", dest_url=destination) if not GroupDescr.check_name(group.partition, group_name): raise ScoValueError( "Le nom de groupe existe déjà dans la partition", dest_url=destination ) redirect = int(redirect) group.group_name = group_name db.session.add(group) db.session.commit() sco_cache.invalidate_formsemestre(formsemestre_id=group.partition.formsemestre_id) # redirect to partition edit page: if redirect: return flask.redirect(destination) def group_rename(group_id): """Form to rename a group""" group = GroupDescr.query.get_or_404(group_id) formsemestre_id = group.partition.formsemestre_id if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") H = [f"

Renommer un groupe de {group.partition.partition_name or '-'}

"] tf = TrivialFormulator( request.base_url, scu.get_request_args(), ( ("group_id", {"default": group_id, "input_type": "hidden"}), ( "group_name", { "title": "Nouveau nom", "default": group.group_name, "size": 12, "allow_null": False, "validator": lambda val, _: len(val) < GROUPNAME_STR_LEN, }, ), ), submitlabel="Renommer", cancelbutton="Annuler", ) if tf[0] == 0: return ( html_sco_header.sco_header() + "\n".join(H) + "\n" + tf[1] + html_sco_header.sco_footer() ) elif tf[0] == -1: return flask.redirect( url_for( "scolar.affect_groups", scodoc_dept=g.scodoc_dept, partition_id=group.partition_id, ) ) else: # form submission return group_set_name(group, tf[2]["group_name"]) def groups_auto_repartition(partition_id=None): """Reparti les etudiants dans des groupes dans une partition, en respectant le niveau et la mixité. """ partition = get_partition(partition_id) if not partition["groups_editable"]: raise AccessDenied("Partition non éditable") formsemestre_id = partition["formsemestre_id"] formsemestre = FormSemestre.query.get(formsemestre_id) # renvoie sur page édition groupes dest_url = url_for( "scolar.affect_groups", scodoc_dept=g.scodoc_dept, partition_id=partition_id ) if not sco_permissions_check.can_change_groups(formsemestre_id): raise AccessDenied("Vous n'avez pas le droit d'effectuer cette opération !") descr = [ ("partition_id", {"input_type": "hidden"}), ( "groupNames", { "size": 40, "title": "Groupes à créer", "allow_null": False, "explanation": "noms des groupes à former, séparés par des virgules (les groupes existants seront effacés)", }, ), ] H = [ html_sco_header.sco_header(page_title="Répartition des groupes"), "

Répartition des groupes de %s

" % partition["partition_name"], f"

Semestre {formsemestre.titre_annee()}

", """

Les groupes existants seront effacés et remplacés par ceux créés ici. La répartition aléatoire tente d'uniformiser le niveau des groupes (en utilisant la dernière moyenne générale disponible pour chaque étudiant) et de maximiser la mixité de chaque groupe.

""", ] tf = TrivialFormulator( request.base_url, scu.get_request_args(), descr, {}, cancelbutton="Annuler", method="GET", submitlabel="Créer et peupler les groupes", name="tf", ) if tf[0] == 0: return "\n".join(H) + "\n" + tf[1] + html_sco_header.sco_footer() elif tf[0] == -1: return flask.redirect(dest_url) else: # form submission log( "groups_auto_repartition( partition_id=%s partition_name=%s" % (partition_id, partition["partition_name"]) ) groupNames = tf[2]["groupNames"] group_names = sorted(set([x.strip() for x in groupNames.split(",")])) # Détruit les groupes existant de cette partition for old_group in get_partition_groups(partition): group_delete(old_group["group_id"]) # Crée les nouveaux groupes group_ids = [] for group_name in group_names: if group_name.strip(): group_ids.append(create_group(partition_id, group_name).id) # nt: NotesTableCompat = res_sem.load_formsemestre_results(formsemestre) identdict = nt.identdict # build: { civilite : liste etudids trie par niveau croissant } civilites = set([x["civilite"] for x in identdict.values()]) listes = {} for civilite in civilites: listes[civilite] = [ (_get_prev_moy(x["etudid"], formsemestre_id), x["etudid"]) for x in identdict.values() if x["civilite"] == civilite ] listes[civilite].sort() log("listes[%s] = %s" % (civilite, listes[civilite])) # affect aux groupes: n = len(identdict) igroup = 0 nbgroups = len(group_ids) while n > 0: for civilite in civilites: if len(listes[civilite]): n -= 1 etudid = listes[civilite].pop()[1] group_id = group_ids[igroup] igroup = (igroup + 1) % nbgroups change_etud_group_in_partition(etudid, group_id, partition) log("%s in group %s" % (etudid, group_id)) return flask.redirect(dest_url) def _get_prev_moy(etudid, formsemestre_id): """Donne la derniere moyenne generale calculee pour cette étudiant, ou 0 si on n'en trouve pas (nouvel inscrit,...). """ from app.scodoc import sco_cursus_dut info = sco_etud.get_etud_info(etudid=etudid, filled=True) if not info: raise ScoValueError("etudiant invalide: etudid=%s" % etudid) etud = info[0] Se = sco_cursus.get_situation_etud_cursus(etud, formsemestre_id) if Se.prev: prev_sem = FormSemestre.query.get(Se.prev["formsemestre_id"]) nt: NotesTableCompat = res_sem.load_formsemestre_results(prev_sem) return nt.get_etud_moy_gen(etudid) else: return 0.0 def create_etapes_partition(formsemestre_id, partition_name="apo_etapes"): """Crée une partition "apo_etapes" avec un groupe par étape Apogée. Cette partition n'est crée que si plusieurs étapes différentes existent dans ce semestre. Si la partition existe déjà, ses groupes sont mis à jour (les groupes devenant vides ne sont pas supprimés). """ from app.scodoc import sco_formsemestre_inscriptions partition_name = str(partition_name) log("create_etapes_partition(%s)" % formsemestre_id) ins = sco_formsemestre_inscriptions.do_formsemestre_inscription_list( args={"formsemestre_id": formsemestre_id} ) etapes = {i["etape"] for i in ins if i["etape"]} partitions = get_partitions_list(formsemestre_id, with_default=False) partition = None for p in partitions: if p["partition_name"] == partition_name: partition = p break if len(etapes) < 2 and not partition: return # moins de deux étapes, pas de création if partition: pid = partition["partition_id"] else: pid = partition_create( formsemestre_id, partition_name=partition_name, redirect=False ) partition = get_partition(pid) groups = get_partition_groups(partition) groups_by_names = {g["group_name"]: g for g in groups} for etape in etapes: if not (etape in groups_by_names): new_group = create_group(pid, etape) g = get_group(new_group.id) # XXX transition: recupere old style dict groups_by_names[etape] = g # Place les etudiants dans les groupes for i in ins: if i["etape"]: change_etud_group_in_partition( i["etudid"], groups_by_names[i["etape"]]["group_id"], partition ) def do_evaluation_listeetuds_groups( evaluation_id: int, groups=None, getallstudents: bool = False, include_demdef: bool = False, ) -> list[tuple[int, str]]: """Donne la liste non triée des etudids inscrits à cette évaluation dans les groupes indiqués. Si getallstudents==True, donne tous les étudiants inscrits à cette evaluation. Si include_demdef, compte aussi les etudiants démissionnaires et défaillants (sinon, par défaut, seulement les 'I') Résultat: [ (etudid, etat) ], où etat='I', 'D', 'DEF' """ # nb: pour notes_table / do_evaluation_etat, getallstudents est vrai et # include_demdef faux fromtables = [ "notes_moduleimpl_inscription Im", "notes_formsemestre_inscription Isem", "notes_moduleimpl M", "notes_evaluation E", ] # construit condition sur les groupes if not getallstudents: if not groups: return [] # no groups, so no students rg = ["gm.group_id = '%(group_id)s'" % g for g in groups] rq = """and Isem.etudid = gm.etudid and gd.partition_id = p.id and p.formsemestre_id = Isem.formsemestre_id """ r = rq + " AND (" + " or ".join(rg) + " )" fromtables += ["group_membership gm", "group_descr gd", "partition p"] else: r = "" # requete complete req = ( "SELECT distinct Im.etudid, Isem.etat FROM " + ", ".join(fromtables) + """ WHERE Isem.etudid = Im.etudid and Im.moduleimpl_id = M.id and Isem.formsemestre_id = M.formsemestre_id and E.moduleimpl_id = M.id and E.id = %(evaluation_id)s """ ) if not include_demdef: req += " and Isem.etat='I'" req += r cnx = ndb.GetDBConnexion() cursor = cnx.cursor() cursor.execute(req, {"evaluation_id": evaluation_id}) return cursor.fetchall() def do_evaluation_listegroupes(evaluation_id, include_default=False): """Donne la liste des groupes dans lesquels figurent des etudiants inscrits au module/semestre auquel appartient cette evaluation. Si include_default, inclue aussi le groupe par defaut ('tous') [ group ] """ if include_default: c = "" else: c = " AND p.partition_name is not NULL" cnx = ndb.GetDBConnexion() cursor = cnx.cursor() cursor.execute( """SELECT DISTINCT gd.id AS group_id FROM group_descr gd, group_membership gm, partition p, notes_moduleimpl m, notes_evaluation e WHERE gm.group_id = gd.id and gd.partition_id = p.id and p.formsemestre_id = m.formsemestre_id and m.id = e.moduleimpl_id and e.id = %(evaluation_id)s """ + c, {"evaluation_id": evaluation_id}, ) group_ids = [x[0] for x in cursor] return listgroups(group_ids) def listgroups(group_ids): cnx = ndb.GetDBConnexion() cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor) groups = [] for group_id in group_ids: cursor.execute( """SELECT gd.id AS group_id, gd.*, p.id AS partition_id, p.* FROM group_descr gd, partition p WHERE p.id = gd.partition_id AND gd.id = %(group_id)s """, {"group_id": group_id}, ) r = cursor.dictfetchall() if r: groups.append(r[0]) return _sortgroups(groups) def _sortgroups(groups): # Tri: place 'all' en tête, puis groupe par partition / nom de groupe R = [g for g in groups if g["partition_name"] is None] o = [g for g in groups if g["partition_name"] != None] o.sort(key=lambda x: (x["numero"] or 0, x["group_name"])) return R + o def listgroups_filename(groups): """Build a filename representing groups""" return "gr" + "+".join([g["group_name"] or "tous" for g in groups]) def listgroups_abbrev(groups): """Human readable abbreviation descring groups (eg "A / AB / B3") Ne retient que les partitions avec show_in_lists """ return " / ".join( [g["group_name"] for g in groups if g["group_name"] and g["show_in_lists"]] ) # form_group_choice replaces formChoixGroupe def form_group_choice( formsemestre_id, allow_none=True, # offre un choix vide dans chaque partition select_default=True, # Le groupe par defaut est mentionné (hidden). display_sem_title=False, ): """Partie de formulaire pour le choix d'un ou plusieurs groupes. Variable : group_ids """ from app.scodoc import sco_formsemestre sem = sco_formsemestre.get_formsemestre(formsemestre_id) if display_sem_title: sem_title = "%s: " % sem["titremois"] else: sem_title = "" # H = [""""""] for p in get_partitions_list(formsemestre_id): if p["partition_name"] is None: if select_default: H.append( '' % get_partition_groups(p)[0]["group_id"] ) else: H.append("") H.append("""
Groupe de %(partition_name)s" % p) H.append('
""") return "\n".join(H) def make_query_groups(group_ids): if group_ids: return "&".join(["group_ids%3Alist=" + str(group_id) for group_id in group_ids]) else: return "" class GroupIdInferer(object): """Sert à retrouver l'id d'un groupe dans un semestre donné à partir de son nom. Attention: il peut y avoir plusieurs groupes de même nom dans des partitions différentes. Dans ce cas, prend le dernier listé. On peut indiquer la partition en écrivant partition_name:group_name """ def __init__(self, formsemestre_id): groups = get_sem_groups(formsemestre_id) self.name2group_id = {} self.partitionname2group_id = {} for group in groups: self.name2group_id[group["group_name"]] = group["group_id"] self.partitionname2group_id[ (group["partition_name"], group["group_name"]) ] = group["group_id"] def __getitem__(self, name): """Get group_id from group_name, or None is nonexistent. The group name can be prefixed by the partition's name, using syntax partition_name:group_name """ l = name.split(":", 1) if len(l) > 1: partition_name, group_name = l else: partition_name = None group_name = name if partition_name is None: group_id = self.name2group_id.get(group_name, None) if group_id is None and name[-2:] == ".0": # si nom groupe numerique, excel ajoute parfois ".0" ! group_name = group_name[:-2] group_id = self.name2group_id.get(group_name, None) else: group_id = self.partitionname2group_id.get( (partition_name, group_name), None ) return group_id