ScoDoc/app/models/evaluations.py

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# -*- coding: UTF-8 -*
"""ScoDoc models: evaluations
"""
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import datetime
from operator import attrgetter
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from flask import g, url_for
from flask_login import current_user
import sqlalchemy as sa
from app import db, log
from app.models.etudiants import Identite
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from app.models.events import ScolarNews
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from app.models.moduleimpls import ModuleImpl
from app.models.notes import NotesNotes
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from app.models.ues import UniteEns
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from app.scodoc import sco_cache
from app.scodoc.sco_exceptions import AccessDenied, ScoValueError
import app.scodoc.sco_utils as scu
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from app.scodoc.sco_xml import quote_xml_attr
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MAX_EVALUATION_DURATION = datetime.timedelta(days=365)
NOON = datetime.time(12, 00)
DEFAULT_EVALUATION_TIME = datetime.time(8, 0)
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VALID_EVALUATION_TYPES = {0, 1, 2}
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class Evaluation(db.Model):
"""Evaluation (contrôle, examen, ...)"""
__tablename__ = "notes_evaluation"
id = db.Column(db.Integer, primary_key=True)
evaluation_id = db.synonym("id")
moduleimpl_id = db.Column(
db.Integer, db.ForeignKey("notes_moduleimpl.id"), index=True
)
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date_debut = db.Column(db.DateTime(timezone=True), nullable=True)
date_fin = db.Column(db.DateTime(timezone=True), nullable=True)
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description = db.Column(db.Text)
note_max = db.Column(db.Float)
coefficient = db.Column(db.Float)
visibulletin = db.Column(
db.Boolean, nullable=False, default=True, server_default="true"
)
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"visible sur les bulletins version intermédiaire"
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publish_incomplete = db.Column(
db.Boolean, nullable=False, default=False, server_default="false"
)
# type d'evaluation: 0 normale, 1 rattrapage, 2 "2eme session"
evaluation_type = db.Column(
db.Integer, nullable=False, default=0, server_default="0"
)
# ordre de presentation (par défaut, le plus petit numero
# est la plus ancienne eval):
numero = db.Column(db.Integer, nullable=False, default=0)
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ues = db.relationship("UniteEns", secondary="evaluation_ue_poids", viewonly=True)
def __repr__(self):
return f"""<Evaluation {self.id} {
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self.date_debut.isoformat() if self.date_debut else ''} "{
self.description[:16] if self.description else ''}">"""
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@classmethod
def create(
cls,
moduleimpl: ModuleImpl = None,
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date_debut: datetime.datetime = None,
date_fin: datetime.datetime = None,
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description=None,
note_max=None,
coefficient=None,
visibulletin=None,
publish_incomplete=None,
evaluation_type=None,
numero=None,
**kw, # ceci pour absorber les éventuel arguments excedentaires
):
"""Create an evaluation. Check permission and all arguments.
Ne crée pas les poids vers les UEs.
"""
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if not moduleimpl.can_edit_evaluation(current_user):
raise AccessDenied(
f"Modification évaluation impossible pour {current_user.get_nomplogin()}"
)
args = locals()
del args["cls"]
del args["kw"]
check_convert_evaluation_args(moduleimpl, args)
# Check numeros
Evaluation.moduleimpl_evaluation_renumber(moduleimpl, only_if_unumbered=True)
if not "numero" in args or args["numero"] is None:
args["numero"] = cls.get_new_numero(moduleimpl, args["date_debut"])
#
evaluation = Evaluation(**args)
sco_cache.invalidate_formsemestre(formsemestre_id=moduleimpl.formsemestre_id)
url = url_for(
"notes.moduleimpl_status",
scodoc_dept=g.scodoc_dept,
moduleimpl_id=moduleimpl.id,
)
log(f"created evaluation in {moduleimpl.module.titre_str()}")
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ScolarNews.add(
typ=ScolarNews.NEWS_NOTE,
obj=moduleimpl.id,
text=f"""Création d'une évaluation dans <a href="{url}">{
moduleimpl.module.titre_str()}</a>""",
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url=url,
)
return evaluation
@classmethod
def get_new_numero(
cls, moduleimpl: ModuleImpl, date_debut: datetime.datetime
) -> int:
"""Get a new numero for an evaluation in this moduleimpl
If necessary, renumber existing evals to make room for a new one.
"""
n = None
# Détermine le numero grâce à la date
# Liste des eval existantes triées par date, la plus ancienne en tete
evaluations = moduleimpl.evaluations.order_by(Evaluation.date_debut).all()
if date_debut is not None:
next_eval = None
t = date_debut
for e in evaluations:
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if e.date_debut and e.date_debut > t:
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next_eval = e
break
if next_eval:
n = _moduleimpl_evaluation_insert_before(evaluations, next_eval)
else:
n = None # à placer en fin
if n is None: # pas de date ou en fin:
if evaluations:
n = evaluations[-1].numero + 1
else:
n = 0 # the only one
return n
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def delete(self):
"delete evaluation (commit) (check permission)"
from app.scodoc import sco_evaluation_db
modimpl: ModuleImpl = self.moduleimpl
if not modimpl.can_edit_evaluation(current_user):
raise AccessDenied(
f"Modification évaluation impossible pour {current_user.get_nomplogin()}"
)
notes_db = sco_evaluation_db.do_evaluation_get_all_notes(
self.id
) # { etudid : value }
notes = [x["value"] for x in notes_db.values()]
if notes:
raise ScoValueError(
"Impossible de supprimer cette évaluation: il reste des notes"
)
log(f"deleting evaluation {self}")
db.session.delete(self)
db.session.commit()
# inval cache pour ce semestre
sco_cache.invalidate_formsemestre(formsemestre_id=modimpl.formsemestre_id)
# news
url = url_for(
"notes.moduleimpl_status",
scodoc_dept=g.scodoc_dept,
moduleimpl_id=modimpl.id,
)
ScolarNews.add(
typ=ScolarNews.NEWS_NOTE,
obj=modimpl.id,
text=f"""Suppression d'une évaluation dans <a href="{
url
}">{modimpl.module.titre}</a>""",
url=url,
)
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def to_dict(self) -> dict:
"Représentation dict (riche, compat ScoDoc 7)"
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e_dict = dict(self.__dict__)
e_dict.pop("_sa_instance_state", None)
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# ScoDoc7 output_formators
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e_dict["evaluation_id"] = self.id
e_dict["date_debut"] = self.date_debut.isoformat() if self.date_debut else None
e_dict["date_fin"] = self.date_debut.isoformat() if self.date_fin else None
e_dict["numero"] = self.numero or 0
e_dict["poids"] = self.get_ue_poids_dict() # { ue_id : poids }
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# Deprecated
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e_dict["jour"] = self.date_debut.strftime("%d/%m/%Y") if self.date_debut else ""
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return evaluation_enrich_dict(self, e_dict)
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def to_dict_api(self) -> dict:
"Représentation dict pour API JSON"
return {
"coefficient": self.coefficient,
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"date_debut": self.date_debut.isoformat() if self.date_debut else "",
"date_fin": self.date_fin.isoformat() if self.date_fin else "",
"description": self.description,
"evaluation_type": self.evaluation_type,
"id": self.id,
"moduleimpl_id": self.moduleimpl_id,
"note_max": self.note_max,
"numero": self.numero,
"poids": self.get_ue_poids_dict(),
"publish_incomplete": self.publish_incomplete,
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"visibulletin": self.visibulletin,
# Deprecated (supprimer avant #sco9.7)
"date": self.date_debut.date().isoformat() if self.date_debut else "",
"heure_debut": self.date_debut.time().isoformat()
if self.date_debut
else "",
"heure_fin": self.date_fin.time().isoformat() if self.date_fin else "",
}
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def to_dict_bul(self) -> dict:
"dict pour les bulletins json"
# c'est la version API avec quelques champs legacy en plus
e_dict = self.to_dict_api()
# Pour les bulletins (json ou xml), quote toujours la description
e_dict["description"] = quote_xml_attr(self.description or "")
# deprecated fields:
e_dict["evaluation_id"] = self.id
e_dict["jour"] = e_dict["date_debut"] # chaine iso
e_dict["heure_debut"] = (
self.date_debut.time().isoformat() if self.date_debut else ""
)
e_dict["heure_fin"] = self.date_fin.time().isoformat() if self.date_fin else ""
return e_dict
def from_dict(self, data):
"""Set evaluation attributes from given dict values."""
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check_convert_evaluation_args(self.moduleimpl, data)
if data.get("numero") is None:
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data["numero"] = Evaluation.get_max_numero(self.moduleimpl.id) + 1
for k in self.__dict__.keys():
if k != "_sa_instance_state" and k != "id" and k in data:
setattr(self, k, data[k])
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@classmethod
def get_max_numero(cls, moduleimpl_id: int) -> int:
"""Return max numero among evaluations in this
moduleimpl (0 if None)
"""
max_num = (
db.session.query(sa.sql.functions.max(Evaluation.numero))
.filter_by(moduleimpl_id=moduleimpl_id)
.first()[0]
)
return max_num or 0
@classmethod
def moduleimpl_evaluation_renumber(
cls, moduleimpl: ModuleImpl, only_if_unumbered=False
):
"""Renumber evaluations in this moduleimpl, according to their date. (numero=0: oldest one)
Needed because previous versions of ScoDoc did not have eval numeros
Note: existing numeros are ignored
"""
# Liste des eval existantes triées par date, la plus ancienne en tete
evaluations = moduleimpl.evaluations.order_by(
Evaluation.date_debut, Evaluation.numero
).all()
all_numbered = all(e.numero is not None for e in evaluations)
if all_numbered and only_if_unumbered:
return # all ok
# Reset all numeros:
i = 1
for e in evaluations:
e.numero = i
db.session.add(e)
i += 1
db.session.commit()
def descr_heure(self) -> str:
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"Description de la plage horaire pour affichages ('de 13h00 à 14h00')"
if self.date_debut and (not self.date_fin or self.date_fin == self.date_debut):
return f"""à {self.date_debut.strftime("%Hh%M")}"""
elif self.date_debut and self.date_fin:
return f"""de {self.date_debut.strftime("%Hh%M")
} à {self.date_fin.strftime("%Hh%M")}"""
else:
return ""
def descr_duree(self) -> str:
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"Description de la durée pour affichages ('3h' ou '2h30')"
if self.date_debut is None or self.date_fin is None:
return ""
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minutes = (self.date_fin - self.date_debut).seconds // 60
duree = f"{minutes // 60}h"
minutes = minutes % 60
if minutes != 0:
duree += f"{minutes:02d}"
return duree
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def descr_date(self) -> str:
"""Description de la date pour affichages
'sans date'
'le 21/9/2021 à 13h'
'le 21/9/2021 de 13h à 14h30'
'du 21/9/2021 à 13h30 au 23/9/2021 à 15h'
"""
if self.date_debut is None:
return "sans date"
def _h(dt: datetime.datetime) -> str:
if dt.minute:
return dt.strftime("%Hh%M")
return f"{dt.hour}h"
if self.date_fin is None:
return f"le {self.date_debut.strftime('%d/%m/%Y')} à {_h(self.date_debut)}"
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if self.date_debut.date() == self.date_fin.date(): # même jour
if self.date_debut.time() == self.date_fin.time():
return (
f"le {self.date_debut.strftime('%d/%m/%Y')} à {_h(self.date_debut)}"
)
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return f"""le {self.date_debut.strftime('%d/%m/%Y')} de {
_h(self.date_debut)} à {_h(self.date_fin)}"""
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# évaluation sur plus d'une journée
return f"""du {self.date_debut.strftime('%d/%m/%Y')} à {
_h(self.date_debut)} au {self.date_fin.strftime('%d/%m/%Y')} à {_h(self.date_fin)}"""
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def heure_debut(self) -> str:
"""L'heure de début (sans la date), en ISO.
Chaine vide si non renseignée."""
return self.date_debut.time().isoformat("minutes") if self.date_debut else ""
def heure_fin(self) -> str:
"""L'heure de fin (sans la date), en ISO.
Chaine vide si non renseignée."""
return self.date_fin.time().isoformat("minutes") if self.date_fin else ""
def clone(self, not_copying=()):
"""Clone, not copying the given attrs
Attention: la copie n'a pas d'id avant le prochain commit
"""
d = dict(self.__dict__)
d.pop("id") # get rid of id
d.pop("_sa_instance_state") # get rid of SQLAlchemy special attr
for k in not_copying:
d.pop(k)
copy = self.__class__(**d)
db.session.add(copy)
return copy
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def is_matin(self) -> bool:
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"Evaluation commençant le matin (faux si pas de date)"
if not self.date_debut:
return False
return self.date_debut.time() < NOON
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def is_apresmidi(self) -> bool:
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"Evaluation commençant l'après midi (faux si pas de date)"
if not self.date_debut:
return False
return self.date_debut.time() >= NOON
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def set_default_poids(self) -> bool:
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"""Initialize les poids vers les UE à leurs valeurs par défaut
C'est à dire à 1 si le coef. module/UE est non nul, 0 sinon.
Les poids existants ne sont pas modifiés.
Return True if (uncommited) modification, False otherwise.
"""
ue_coef_dict = self.moduleimpl.module.get_ue_coef_dict()
sem_ues = self.moduleimpl.formsemestre.get_ues(with_sport=False)
modified = False
for ue in sem_ues:
existing_poids = EvaluationUEPoids.query.filter_by(
ue=ue, evaluation=self
).first()
if existing_poids is None:
coef_ue = ue_coef_dict.get(ue.id, 0.0) or 0.0
if coef_ue > 0:
poids = 1.0 # par défaut au départ
else:
poids = 0.0
self.set_ue_poids(ue, poids)
modified = True
return modified
def set_ue_poids(self, ue, poids: float) -> None:
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"""Set poids évaluation vers cette UE"""
self.update_ue_poids_dict({ue.id: poids})
def set_ue_poids_dict(self, ue_poids_dict: dict) -> None:
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"""set poids vers les UE (remplace existants)
ue_poids_dict = { ue_id : poids }
"""
L = []
for ue_id, poids in ue_poids_dict.items():
ue = db.session.get(UniteEns, ue_id)
if ue is None:
raise ScoValueError("poids vers une UE inexistante")
ue_poids = EvaluationUEPoids(evaluation=self, ue=ue, poids=poids)
L.append(ue_poids)
db.session.add(ue_poids)
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self.ue_poids = L # backref # pylint:disable=attribute-defined-outside-init
self.moduleimpl.invalidate_evaluations_poids() # inval cache
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def update_ue_poids_dict(self, ue_poids_dict: dict) -> None:
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"""update poids vers UE (ajoute aux existants)"""
current = self.get_ue_poids_dict()
current.update(ue_poids_dict)
self.set_ue_poids_dict(current)
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def get_ue_poids_dict(self, sort=False) -> dict:
"""returns { ue_id : poids }
Si sort, trie par UE
"""
if sort:
return {
p.ue.id: p.poids
for p in sorted(
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self.ue_poids, key=attrgetter("ue.numero", "ue.acronyme")
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)
}
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return {p.ue.id: p.poids for p in self.ue_poids}
def get_ue_poids_str(self) -> str:
"""string describing poids, for excel cells and pdfs
Note: si les poids ne sont pas initialisés (poids par défaut),
ils ne sont pas affichés.
"""
# restreint aux UE du semestre dans lequel est cette évaluation
# au cas où le module ait changé de semestre et qu'il reste des poids
evaluation_semestre_idx = self.moduleimpl.module.semestre_id
return ", ".join(
[
f"{p.ue.acronyme}: {p.poids}"
for p in sorted(
self.ue_poids, key=lambda p: (p.ue.numero or 0, p.ue.acronyme)
)
if evaluation_semestre_idx == p.ue.semestre_idx
]
)
def get_etud_note(self, etud: Identite) -> NotesNotes:
"""La note de l'étudiant, ou None si pas noté.
(nb: pas de cache, lent, ne pas utiliser pour des calculs)
"""
return NotesNotes.query.filter_by(etudid=etud.id, evaluation_id=self.id).first()
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class EvaluationUEPoids(db.Model):
"""Poids des évaluations (BUT)
association many to many
"""
evaluation_id = db.Column(
db.Integer,
db.ForeignKey("notes_evaluation.id", ondelete="CASCADE"),
primary_key=True,
)
ue_id = db.Column(
db.Integer,
db.ForeignKey("notes_ue.id", ondelete="CASCADE"),
primary_key=True,
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)
poids = db.Column(
db.Float,
nullable=False,
)
evaluation = db.relationship(
Evaluation,
backref=db.backref("ue_poids", cascade="all, delete-orphan"),
)
ue = db.relationship(
UniteEns,
backref=db.backref("evaluation_ue_poids", cascade="all, delete-orphan"),
)
def __repr__(self):
return f"<EvaluationUEPoids {self.evaluation} {self.ue} poids={self.poids}>"
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# Fonction héritée de ScoDoc7
def evaluation_enrich_dict(e: Evaluation, e_dict: dict):
"""add or convert some fields in an evaluation dict"""
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# For ScoDoc7 compat
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e_dict["heure_debut"] = e.date_debut.strftime("%Hh%M") if e.date_debut else ""
e_dict["heure_fin"] = e.date_fin.strftime("%Hh%M") if e.date_fin else ""
e_dict["jour_iso"] = e.date_debut.isoformat() if e.date_debut else ""
# Calcule durée en minutes
e_dict["descrheure"] = e.descr_heure()
e_dict["descrduree"] = e.descr_duree()
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# matin, apresmidi: utile pour se referer aux absences:
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# note août 2023: si l'évaluation s'étend sur plusieurs jours,
# cet indicateur n'a pas grand sens
if e.date_debut and e.date_debut.time() < datetime.time(12, 00):
e_dict["matin"] = 1
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else:
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e_dict["matin"] = 0
if e.date_fin and e.date_fin.time() > datetime.time(12, 00):
e_dict["apresmidi"] = 1
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else:
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e_dict["apresmidi"] = 0
return e_dict
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def check_convert_evaluation_args(moduleimpl: ModuleImpl, data: dict):
"""Check coefficient, dates and duration, raises exception if invalid.
Convert date and time strings to date and time objects.
Set required default value for unspecified fields.
May raise ScoValueError.
"""
# --- description
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data["description"] = data.get("description", "") or ""
if len(data["description"]) > scu.MAX_TEXT_LEN:
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raise ScoValueError("description too large")
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# --- evaluation_type
try:
data["evaluation_type"] = int(data.get("evaluation_type", 0) or 0)
if not data["evaluation_type"] in VALID_EVALUATION_TYPES:
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raise ScoValueError("invalid evaluation_type value")
except ValueError as exc:
raise ScoValueError("invalid evaluation_type value") from exc
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# --- note_max (bareme)
note_max = data.get("note_max", 20.0) or 20.0
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try:
note_max = float(note_max)
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except ValueError as exc:
raise ScoValueError("invalid note_max value") from exc
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if note_max < 0:
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raise ScoValueError("invalid note_max value (must be positive or null)")
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data["note_max"] = note_max
# --- coefficient
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coef = data.get("coefficient", None)
if coef is None:
coef = 1.0
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try:
coef = float(coef)
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except ValueError as exc:
raise ScoValueError("invalid coefficient value") from exc
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if coef < 0:
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raise ScoValueError("invalid coefficient value (must be positive or null)")
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data["coefficient"] = coef
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# --- date de l'évaluation
formsemestre = moduleimpl.formsemestre
date_debut = data.get("date_debut", None)
if date_debut:
if isinstance(date_debut, str):
data["date_debut"] = datetime.datetime.fromisoformat(date_debut)
if data["date_debut"].tzinfo is None:
data["date_debut"] = scu.TIME_ZONE.localize(data["date_debut"])
if not (
formsemestre.date_debut
<= data["date_debut"].date()
<= formsemestre.date_fin
):
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raise ScoValueError(
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f"""La date de début de l'évaluation ({
data["date_debut"].strftime("%d/%m/%Y")
}) n'est pas dans le semestre !""",
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dest_url="javascript:history.back();",
)
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date_fin = data.get("date_fin", None)
if date_fin:
if isinstance(date_fin, str):
data["date_fin"] = datetime.datetime.fromisoformat(date_fin)
if data["date_fin"].tzinfo is None:
data["date_fin"] = scu.TIME_ZONE.localize(data["date_fin"])
if not (
formsemestre.date_debut <= data["date_fin"].date() <= formsemestre.date_fin
):
raise ScoValueError(
f"""La date de fin de l'évaluation ({
data["date_fin"].strftime("%d/%m/%Y")
}) n'est pas dans le semestre !""",
dest_url="javascript:history.back();",
)
if date_debut and date_fin:
duration = data["date_fin"] - data["date_debut"]
if duration.total_seconds() < 0 or duration > MAX_EVALUATION_DURATION:
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raise ScoValueError("Heures de l'évaluation incohérentes !")
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# # --- heures
# heure_debut = data.get("heure_debut", None)
# if heure_debut and not isinstance(heure_debut, datetime.time):
# if date_format == "dmy":
# data["heure_debut"] = heure_to_time(heure_debut)
# else: # ISO
# data["heure_debut"] = datetime.time.fromisoformat(heure_debut)
# heure_fin = data.get("heure_fin", None)
# if heure_fin and not isinstance(heure_fin, datetime.time):
# if date_format == "dmy":
# data["heure_fin"] = heure_to_time(heure_fin)
# else: # ISO
# data["heure_fin"] = datetime.time.fromisoformat(heure_fin)
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def heure_to_time(heure: str) -> datetime.time:
"Convert external heure ('10h22' or '10:22') to a time"
t = heure.strip().upper().replace("H", ":")
h, m = t.split(":")[:2]
return datetime.time(int(h), int(m))
def _time_duration_HhM(heure_debut: str, heure_fin: str) -> int:
"""duree (nb entier de minutes) entre deux heures a notre format
ie 12h23
"""
if heure_debut and heure_fin:
h0, m0 = [int(x) for x in heure_debut.split("h")]
h1, m1 = [int(x) for x in heure_fin.split("h")]
d = (h1 - h0) * 60 + (m1 - m0)
return d
else:
return None
def _moduleimpl_evaluation_insert_before(
evaluations: list[Evaluation], next_eval: Evaluation
) -> int:
"""Renumber evaluations such that an evaluation with can be inserted before next_eval
Returns numero suitable for the inserted evaluation
"""
if next_eval:
n = next_eval.numero
if n is None:
Evaluation.moduleimpl_evaluation_renumber(next_eval.moduleimpl)
n = next_eval.numero
else:
n = 1
# all numeros >= n are incremented
for e in evaluations:
if e.numero >= n:
e.numero += 1
db.session.add(e)
db.session.commit()
return n