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ScoDoc-Lille/app/scodoc/sco_utils.py

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# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
# Copyright (c) 1999 - 2021 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@viennet.net
#
##############################################################################
""" Common definitions
"""
import base64
import bisect
import copy
import datetime
import json
from hashlib import md5
import numbers
import os
import pydot
import re
import six
import six.moves._thread
import sys
import time
import types
import unicodedata
import six.moves.urllib.request, six.moves.urllib.parse, six.moves.urllib.error
import six.moves.urllib.request, six.moves.urllib.error, six.moves.urllib.parse
from xml.etree import ElementTree
STRING_TYPES = six.string_types
from PIL import Image as PILImage
from flask import g, url_for, request
from scodoc_manager import sco_mgr
from config import Config
from app.scodoc.notes_log import log
from app.scodoc.sco_vdi import ApoEtapeVDI
from app.scodoc.sco_xml import quote_xml_attr
from app.scodoc.sco_codes_parcours import NOTES_TOLERANCE, CODES_EXPL
from app.scodoc import sco_exceptions
from app.scodoc import sco_xml
from app.scodoc import VERSION
# ----- CALCUL ET PRESENTATION DES NOTES
NOTES_PRECISION = 1e-4 # evite eventuelles erreurs d'arrondis
NOTES_MIN = 0.0 # valeur minimale admise pour une note (sauf malus, dans [-20, 20])
NOTES_MAX = 1000.0
NOTES_NEUTRALISE = -1000.0 # notes non prises en comptes dans moyennes
NOTES_SUPPRESS = -1001.0 # note a supprimer
NOTES_ATTENTE = -1002.0 # note "en attente" (se calcule comme une note neutralisee)
# Types de modules
MODULE_STANDARD = 0
MODULE_MALUS = 1
MALUS_MAX = 20.0
MALUS_MIN = -20.0
APO_MISSING_CODE_STR = "----" # shown in HTML pages in place of missing code Apogée
EDIT_NB_ETAPES = 6 # Nombre max de codes étapes / semestre presentés dans l'UI
IT_SITUATION_MISSING_STR = (
"____" # shown on ficheEtud (devenir) in place of empty situation
)
RANG_ATTENTE_STR = "(attente)" # rang affiché sur bulletins quand notes en attente
# borne supérieure de chaque mention
NOTES_MENTIONS_TH = (
NOTES_TOLERANCE,
7.0,
10.0,
12.0,
14.0,
16.0,
18.0,
20.0 + NOTES_TOLERANCE,
)
NOTES_MENTIONS_LABS = (
"Nul",
"Faible",
"Insuffisant",
"Passable",
"Assez bien",
"Bien",
"Très bien",
"Excellent",
)
EVALUATION_NORMALE = 0
EVALUATION_RATTRAPAGE = 1
EVALUATION_SESSION2 = 2
def fmt_note(val, note_max=None, keep_numeric=False):
"""conversion note en str pour affichage dans tables HTML ou PDF.
Si keep_numeric, laisse les valeur numeriques telles quelles (pour export Excel)
"""
if val is None:
return "ABS"
if val == NOTES_NEUTRALISE:
return "EXC" # excuse, note neutralise
if val == NOTES_ATTENTE:
return "ATT" # attente, note neutralisee
if isinstance(val, float) or isinstance(val, int):
if note_max != None and note_max > 0:
val = val * 20.0 / note_max
if keep_numeric:
return val
else:
s = "%2.2f" % round(float(val), 2) # 2 chiffres apres la virgule
s = "0" * (5 - len(s)) + s # padding: 0 à gauche pour longueur 5: "12.34"
return s
else:
return val.replace("NA0", "-") # notes sans le NA0
def fmt_coef(val):
"""Conversion valeur coefficient (float) en chaine"""
if val < 0.01:
return "%g" % val # unusually small value
return "%g" % round(val, 2)
def fmt_abs(val):
"""Conversion absences en chaine. val est une list [nb_abs_total, nb_abs_justifiees
=> NbAbs / Nb_justifiees
"""
return "%s / %s" % (val[0], val[1])
def isnumber(x):
"True if x is a number (int, float, etc.)"
return isinstance(x, numbers.Number)
def join_words(*words):
words = [str(w).strip() for w in words if w is not None]
return " ".join([w for w in words if w])
def get_mention(moy):
"""Texte "mention" en fonction de la moyenne générale"""
try:
moy = float(moy)
except:
return ""
return NOTES_MENTIONS_LABS[bisect.bisect_right(NOTES_MENTIONS_TH, moy)]
class DictDefault(dict): # obsolete, use collections.defaultdict
"""A dictionnary with default value for all keys
Each time a non existent key is requested, it is added to the dict.
(used in python 2.4, can't use new __missing__ method)
"""
defaultvalue = 0
def __init__(self, defaultvalue=0, kv_dict={}):
dict.__init__(self)
self.defaultvalue = defaultvalue
self.update(kv_dict)
def __getitem__(self, k):
if k in self:
return self.get(k)
value = copy.copy(self.defaultvalue)
self[k] = value
return value
class WrapDict(object):
"""Wrap a dict so that getitem returns '' when values are None"""
def __init__(self, adict, NoneValue=""):
self.dict = adict
self.NoneValue = NoneValue
def __getitem__(self, key):
value = self.dict[key]
if value is None:
return self.NoneValue
else:
return value
def group_by_key(d, key):
gr = DictDefault(defaultvalue=[])
for e in d:
gr[e[key]].append(e)
return gr
# ----- Global lock for critical sections (except notes_tables caches)
GSL = six.moves._thread.allocate_lock() # Global ScoDoc Lock
SCODOC_DIR = Config.SCODOC_DIR
# ----- Repertoire "config" modifiable
# /opt/scodoc-data/config
SCODOC_CFG_DIR = os.path.join(Config.SCODOC_VAR_DIR, "config")
# ----- Version information
SCODOC_VERSION_DIR = os.path.join(SCODOC_CFG_DIR, "version")
# ----- Repertoire tmp : /opt/scodoc-data/tmp
SCO_TMP_DIR = os.path.join(Config.SCODOC_VAR_DIR, "tmp")
if not os.path.exists(SCO_TMP_DIR):
os.mkdir(SCO_TMP_DIR, 0o755)
# ----- Les logos: /opt/scodoc-data/config/logos
SCODOC_LOGOS_DIR = os.path.join(SCODOC_CFG_DIR, "logos")
# ----- Les outils distribués
SCO_TOOLS_DIR = os.path.join(Config.SCODOC_DIR, "tools")
# ----- Lecture du fichier de configuration
from app.scodoc import sco_config
from app.scodoc import sco_config_load
sco_config_load.load_local_configuration(SCODOC_CFG_DIR)
CONFIG = sco_config.CONFIG
if hasattr(CONFIG, "CODES_EXPL"):
CODES_EXPL.update(
CONFIG.CODES_EXPL
) # permet de customiser les explications de codes
if CONFIG.CUSTOM_HTML_HEADER:
CUSTOM_HTML_HEADER = open(CONFIG.CUSTOM_HTML_HEADER).read()
else:
CUSTOM_HTML_HEADER = ""
if CONFIG.CUSTOM_HTML_HEADER_CNX:
CUSTOM_HTML_HEADER_CNX = open(CONFIG.CUSTOM_HTML_HEADER_CNX).read()
else:
CUSTOM_HTML_HEADER_CNX = ""
if CONFIG.CUSTOM_HTML_FOOTER:
CUSTOM_HTML_FOOTER = open(CONFIG.CUSTOM_HTML_FOOTER).read()
else:
CUSTOM_HTML_FOOTER = ""
if CONFIG.CUSTOM_HTML_FOOTER_CNX:
CUSTOM_HTML_FOOTER_CNX = open(CONFIG.CUSTOM_HTML_FOOTER_CNX).read()
else:
CUSTOM_HTML_FOOTER_CNX = ""
SCO_ENCODING = "utf-8" # used by Excel, XML, PDF, ...
SCO_DEFAULT_SQL_USER = "scodoc" # should match Zope process UID
SCO_DEFAULT_SQL_PORT = "5432"
SCO_DEFAULT_SQL_USERS_CNX = "dbname=SCOUSERS port=%s" % SCO_DEFAULT_SQL_PORT
# Valeurs utilisées pour affichage seulement, pas de requetes ni de mails envoyés:
SCO_WEBSITE = "https://scodoc.org"
SCO_USER_MANUAL = "https://scodoc.org/GuideUtilisateur"
SCO_ANNONCES_WEBSITE = "https://listes.univ-paris13.fr/mailman/listinfo/scodoc-annonces"
SCO_DEVEL_LIST = "scodoc-devel@listes.univ-paris13.fr"
SCO_USERS_LIST = "notes@listes.univ-paris13.fr"
# Mails avec exceptions (erreurs) anormales envoyés à cette adresse:
# mettre '' pour désactiver completement l'envois de mails d'erreurs.
# (ces mails sont précieux pour corriger les erreurs, ne les désactiver que si
# vous avez de bonnes raisons de le faire: vous pouvez me contacter avant)
SCO_EXC_MAIL = "scodoc-exception@viennet.net"
# L'adresse du mainteneur (non utilisée automatiquement par ScoDoc: ne pas changer)
SCO_DEV_MAIL = "emmanuel.viennet@gmail.com" # SVP ne pas changer
# Adresse pour l'envoi des dumps (pour assistance technnique):
# ne pas changer (ou vous perdez le support)
SCO_DUMP_UP_URL = "https://scodoc.iutv.univ-paris13.fr/scodoc-installmgr/upload-dump"
CSV_FIELDSEP = ";"
CSV_LINESEP = "\n"
CSV_MIMETYPE = "text/comma-separated-values"
XLS_MIMETYPE = "application/vnd.ms-excel"
PDF_MIMETYPE = "application/pdf"
XML_MIMETYPE = "text/xml"
JSON_MIMETYPE = "application/json"
LOGOS_IMAGES_ALLOWED_TYPES = ("jpg", "png") # remind that PIL does not read pdf
# Admissions des étudiants
# Différents types de voies d'admission:
# (stocké en texte libre dans la base, mais saisie par menus pour harmoniser)
TYPE_ADMISSION_DEFAULT = "Inconnue"
TYPES_ADMISSION = (TYPE_ADMISSION_DEFAULT, "APB", "APB-PC", "CEF", "Direct")
BULLETINS_VERSIONS = ("short", "selectedevals", "long")
# Support for ScoDoc7 compatibility
def get_dept_id():
if g.scodoc_dept in sco_mgr.get_dept_ids():
return g.scodoc_dept
raise sco_exceptions.ScoInvalidDept("département invalide: %s" % g.scodoc_dept)
def get_db_cnx_string(scodoc_dept=None):
return "dbname=SCO" + (scodoc_dept or g.scodoc_dept)
def ScoURL():
"""base URL for this sco instance.
e.g. https://scodoc.xxx.fr/ScoDoc/DEPT/Scolarite
= page accueil département
"""
return url_for("scolar.index_html", scodoc_dept=g.scodoc_dept)[
: -len("/index_html")
]
def NotesURL():
"""URL of Notes
e.g. https://scodoc.xxx.fr/ScoDoc/DEPT/Scolarite/Notes
= url de base des méthodes de notes
(page accueil programmes).
"""
return url_for("notes.index_html", scodoc_dept=g.scodoc_dept)[: -len("/index_html")]
def EntreprisesURL():
"""URL of Enterprises
e.g. https://scodoc.xxx.fr/ScoDoc/DEPT/Scolarite/Entreprises
= url de base des requêtes de ZEntreprises
et page accueil Entreprises
"""
return "NotImplemented"
# url_for("entreprises.index_html", scodoc_dept=g.scodoc_dept)[
# : -len("/index_html")
# ]
def AbsencesURL():
"""URL of Absences"""
return url_for("absences.index_html", scodoc_dept=g.scodoc_dept)[
: -len("/index_html")
]
def UsersURL():
"""URL of Users
e.g. https://scodoc.xxx.fr/ScoDoc/DEPT/Scolarite/Users
= url de base des requêtes ZScoUsers
et page accueil users
"""
return url_for("users.index_html", scodoc_dept=g.scodoc_dept)[: -len("/index_html")]
# ---- Simple python utilities
def simplesqlquote(s, maxlen=50):
"""simple SQL quoting to avoid most SQL injection attacks.
Note: we use this function in the (rare) cases where we have to
construct SQL code manually"""
s = s[:maxlen]
s.replace("'", r"\'")
s.replace(";", r"\;")
for bad in ("select", "drop", ";", "--", "insert", "delete", "xp_"):
s = s.replace(bad, "")
return s
def unescape_html(s):
"""un-escape html entities"""
s = s.strip().replace("&amp;", "&")
s = s.replace("&lt;", "<")
s = s.replace("&gt;", ">")
return s
# test if obj is iterable (but not a string)
isiterable = lambda obj: getattr(obj, "__iter__", False)
def unescape_html_dict(d):
"""un-escape all dict values, recursively"""
try:
indices = list(d.keys())
except:
indices = list(range(len(d)))
for k in indices:
v = d[k]
if isinstance(v, bytes):
d[k] = unescape_html(v)
elif isiterable(v):
unescape_html_dict(v)
# Expressions used to check noms/prenoms
FORBIDDEN_CHARS_EXP = re.compile(r"[*\|~\(\)\\]")
ALPHANUM_EXP = re.compile(r"^[\w-]+$", re.UNICODE)
def is_valid_code_nip(s):
"""True si s peut être un code NIP: au moins 6 chiffres décimaux"""
if not s:
return False
return re.match(r"^[0-9]{6,32}$", s)
def strnone(s):
"convert s to string, '' if s is false"
if s:
return str(s)
else:
return ""
def stripquotes(s):
"strip s from spaces and quotes"
s = s.strip()
if s and ((s[0] == '"' and s[-1] == '"') or (s[0] == "'" and s[-1] == "'")):
s = s[1:-1]
return s
def suppress_accents(s):
"remove accents and suppress non ascii characters from string s"
return (
unicodedata.normalize("NFD", s).encode("ascii", "ignore").decode(SCO_ENCODING)
)
def sanitize_string(s):
"""s is an ordinary string, encoding given by SCO_ENCODING"
suppress accents and chars interpreted in XML
Irreversible (not a quote)
For ids and some filenames
"""
# Table suppressing some chars:
trans = str.maketrans("", "", "'`\"<>!&\\ ")
return suppress_accents(s.translate(trans)).replace(" ", "_").replace("\t", "_")
_BAD_FILENAME_CHARS = str.maketrans("", "", ":/\\")
def make_filename(name):
"""Try to convert name to a reasonable filename
without spaces, (back)slashes, : and without accents
"""
return suppress_accents(name.translate(_BAD_FILENAME_CHARS)).replace(" ", "_")
VALID_CARS = (
"-abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_.!" # no / !
)
VALID_CARS_SET = set(VALID_CARS)
VALID_EXP = re.compile("^[" + VALID_CARS + "]+$")
def sanitize_filename(filename):
"""Keep only valid chars
used for archives filenames
"""
sane = "".join([c for c in filename if c in VALID_CARS_SET])
if len(sane) < 2:
sane = time.strftime("%Y-%m-%d-%H%M%S") + "-" + sane
return sane
def is_valid_filename(filename):
"""True if filename is safe"""
return VALID_EXP.match(filename)
def sendCSVFile(REQUEST, data, filename):
"""publication fichier.
(on ne doit rien avoir émis avant, car ici sont générés les entetes)
"""
filename = (
unescape_html(suppress_accents(filename)).replace("&", "").replace(" ", "_")
)
REQUEST.RESPONSE.setHeader("content-type", CSV_MIMETYPE)
REQUEST.RESPONSE.setHeader(
"content-disposition", 'attachment; filename="%s"' % filename
)
return data
def sendPDFFile(REQUEST, data, filename):
filename = (
unescape_html(suppress_accents(filename)).replace("&", "").replace(" ", "_")
)
if REQUEST:
REQUEST.RESPONSE.setHeader("content-type", PDF_MIMETYPE)
REQUEST.RESPONSE.setHeader(
"content-disposition", 'attachment; filename="%s"' % filename
)
return data
class ScoDocJSONEncoder(json.JSONEncoder):
def default(self, o): # pylint: disable=E0202
if isinstance(o, (datetime.date, datetime.datetime)):
return o.isoformat()
elif isinstance(o, ApoEtapeVDI):
return str(o)
else:
return json.JSONEncoder.default(self, o)
def sendJSON(REQUEST, data):
js = json.dumps(data, indent=1, cls=ScoDocJSONEncoder)
if REQUEST:
REQUEST.RESPONSE.setHeader("content-type", JSON_MIMETYPE)
return js
def sendXML(REQUEST, data, tagname=None, force_outer_xml_tag=True):
if type(data) != list:
data = [data] # always list-of-dicts
if force_outer_xml_tag:
root_tagname = tagname + "_list"
data = [{root_tagname: data}]
doc = sco_xml.simple_dictlist2xml(data, tagname=tagname)
if REQUEST:
REQUEST.RESPONSE.setHeader("content-type", XML_MIMETYPE)
return doc
def sendResult(REQUEST, data, name=None, format=None, force_outer_xml_tag=True):
if (format is None) or (format == "html"):
return data
elif format == "xml": # name is outer tagname
return sendXML(
REQUEST, data, tagname=name, force_outer_xml_tag=force_outer_xml_tag
)
elif format == "json":
return sendJSON(REQUEST, data)
else:
raise ValueError("invalid format: %s" % format)
def get_scodoc_version():
"return a string identifying ScoDoc version"
return os.popen("cd %s; ./get_scodoc_version.sh -s" % SCO_TOOLS_DIR).read().strip()
def check_scodoc7_password(scodoc7_hash, password):
"""Check a password vs scodoc7 hash
used only during old databases migrations"""
m = md5()
m.update(password.encode("utf-8"))
# encodestring à remplacer par encodebytes #py3
h = base64.encodestring(m.digest()).decode("utf-8").strip()
return h == scodoc7_hash
# Simple string manipulations
# not necessary anymore in Python 3 ! TODO remove
def strupper(s):
return s.upper()
# return s.decode(SCO_ENCODING).upper().encode(SCO_ENCODING)
# XXX fonctions inutiles en Python3 !
def strlower(s):
return s.lower()
def strcapitalize(s):
return s.capitalize()
def abbrev_prenom(prenom):
"Donne l'abreviation d'un prenom"
# un peu lent, mais espère traiter tous les cas
# Jean -> J.
# Charles -> Ch.
# Jean-Christophe -> J.-C.
# Marie Odile -> M. O.
prenom = prenom.replace(".", " ").strip()
if not prenom:
return ""
d = prenom[:3].upper()
if d == "CHA":
abrv = "Ch." # 'Charles' donne 'Ch.'
i = 3
else:
abrv = prenom[0].upper() + "."
i = 1
n = len(prenom)
while i < n:
c = prenom[i]
if c == " " or c == "-" and i < n - 1:
sep = c
i += 1
# gobbe tous les separateurs
while i < n and (prenom[i] == " " or prenom[i] == "-"):
if prenom[i] == "-":
sep = "-"
i += 1
if i < n:
abrv += sep + prenom[i].upper() + "."
i += 1
return abrv
#
def timedate_human_repr():
"representation du temps courant pour utilisateur: a localiser"
return time.strftime("%d/%m/%Y à %Hh%M")
def annee_scolaire_repr(year, month):
"""representation de l'annee scolaire : '2009 - 2010'
à partir d'une date.
"""
if month > 7: # apres le 1er aout
return "%s - %s" % (year, year + 1)
else:
return "%s - %s" % (year - 1, year)
def annee_scolaire_debut(year, month):
"""Annee scolaire de debut (septembre): heuristique pour l'hémisphère nord..."""
if int(month) > 7:
return int(year)
else:
return int(year) - 1
def sem_decale_str(sem):
"""'D' si semestre decalé, ou ''"""
# considère "décalé" les semestre impairs commençant entre janvier et juin
# et les pairs entre juillet et decembre
if sem["semestre_id"] <= 0:
return ""
if (sem["semestre_id"] % 2 and sem["mois_debut_ord"] <= 6) or (
not sem["semestre_id"] % 2 and sem["mois_debut_ord"] > 6
):
return "D"
else:
return ""
def is_valid_mail(email):
"""True if well-formed email address"""
return re.match(r"^.+@.+\..{2,3}$", email)
def graph_from_edges(edges, graph_name="mygraph"):
"""Crée un graph pydot
à partir d'une liste d'arêtes [ (n1, n2), (n2, n3), ... ]
où n1, n2, ... sont des chaînes donnant l'id des nœuds.
Fonction remplaçant celle de pydot qui est buggée.
"""
nodes = set([it for tup in edges for it in tup])
graph = pydot.Dot(graph_name)
for n in nodes:
graph.add_node(pydot.Node(n))
for e in edges:
graph.add_edge(pydot.Edge(src=e[0], dst=e[1]))
return graph
ICONSIZES = {} # name : (width, height) cache image sizes
def icontag(name, file_format="png", **attrs):
"""tag HTML pour un icone.
(dans les versions anterieures on utilisait Zope)
Les icones sont des fichiers PNG dans .../static/icons
Si la taille (width et height) n'est pas spécifiée, lit l'image
pour la mesurer (et cache le résultat).
"""
if ("width" not in attrs) or ("height" not in attrs):
if name not in ICONSIZES:
img_file = os.path.join(
Config.SCODOC_DIR,
"app/static/icons/%s.%s"
% (
name,
file_format,
),
)
im = PILImage.open(img_file)
width, height = im.size[0], im.size[1]
ICONSIZES[name] = (width, height) # cache
else:
width, height = ICONSIZES[name]
attrs["width"] = width
attrs["height"] = height
if "border" not in attrs:
attrs["border"] = 0
if "alt" not in attrs:
attrs["alt"] = "logo %s" % name
s = " ".join(['%s="%s"' % (k, attrs[k]) for k in attrs])
return '<img class="%s" %s src="/ScoDoc/static/icons/%s.%s" />' % (
name,
s,
name,
file_format,
)
ICON_PDF = icontag("pdficon16x20_img", title="Version PDF")
ICON_XLS = icontag("xlsicon_img", title="Version tableur")
def sort_dates(L, reverse=False):
"""Return sorted list of dates, allowing None items (they are put at the beginning)"""
mindate = datetime.datetime(datetime.MINYEAR, 1, 1)
try:
return sorted(L, key=lambda x: x or mindate, reverse=reverse)
except:
# Helps debugging
log("sort_dates( %s )" % L)
raise
def query_portal(req, msg="Portail Apogee", timeout=3):
"""Retreives external data using HTTP request
(used to connect to Apogee portal, or ScoDoc server)
returns a string, "" on error
"""
log("query_portal: %s" % req)
try:
f = six.moves.urllib.request.urlopen(req, timeout=timeout) # seconds / request
except:
log("query_portal: can't connect to %s" % msg)
return ""
try:
data = f.read()
except:
log("query_portal: error reading from %s" % msg)
data = ""
return data
def AnneeScolaire(REQUEST=None): # TODO remplacer REQUEST #sco8
"annee de debut de l'annee scolaire courante"
if REQUEST and "sco_year" in REQUEST.form:
year = REQUEST.form["sco_year"]
try:
year = int(year)
if year > 1900 and year < 2999:
return year
except:
pass
t = time.localtime()
year, month = t[0], t[1]
if month < 8: # le "pivot" est le 1er aout
year = year - 1
return year
def log_unknown_etud(REQUEST=None, format="html"):
"""Log request: cas ou getEtudInfo n'a pas ramene de resultat"""
etudid = REQUEST.form.get("etudid", "?")
code_nip = REQUEST.form.get("code_nip", "?")
code_ine = REQUEST.form.get("code_ine", "?")
log(
"unknown student: etudid=%s code_nip=%s code_ine=%s"
% (etudid, code_nip, code_ine)
)
return _sco_error_response("unknown student", format=format, REQUEST=REQUEST)
# XXX #sco8 à tester ou ré-écrire
def _sco_error_response(msg, format="html", REQUEST=None):
"""Send an error message to the client, in html or xml format."""
REQUEST.RESPONSE.setStatus(404, reason=msg)
if format == "html" or format == "pdf":
raise sco_exceptions.ScoValueError(msg)
elif format == "xml":
REQUEST.RESPONSE.setHeader("content-type", XML_MIMETYPE)
doc = ElementTree.Element("error", msg=msg)
return sco_xml.XML_HEADER + ElementTree.tostring(doc).decode(SCO_ENCODING)
elif format == "json":
REQUEST.RESPONSE.setHeader("content-type", JSON_MIMETYPE)
return "undefined" # XXX voir quoi faire en cas d'erreur json
else:
raise ValueError("ScoErrorResponse: invalid format")
def return_text_if_published(val, REQUEST):
"""Pour les méthodes publiées qui ramènent soit du texte (HTML) soit du JSON
sauf quand elles sont appellées depuis python.
La présence de l'argument REQUEST indique la publication.
"""
if REQUEST and not isinstance(val, STRING_TYPES):
return sendJSON(REQUEST, val)
return val
def confirm_dialog(
message="<p>Confirmer ?</p>",
OK="OK",
Cancel="Annuler",
dest_url="",
cancel_url="",
target_variable="dialog_confirmed",
parameters={},
add_headers=True, # complete page
helpmsg=None,
):
from app.scodoc import html_sco_header
# dialog de confirmation simple
parameters[target_variable] = 1
# Attention: la page a pu etre servie en GET avec des parametres
# si on laisse l'url "action" vide, les parametres restent alors que l'on passe en POST...
if not dest_url:
dest_url = request.base_url
# strip remaining parameters from destination url:
dest_url = six.moves.urllib.parse.splitquery(dest_url)[0]
H = [
"""<form action="%s" method="post">""" % dest_url,
message,
"""<input type="submit" value="%s"/>""" % OK,
]
if cancel_url:
H.append(
"""<input type ="button" value="%s"
onClick="document.location='%s';"/>"""
% (Cancel, cancel_url)
)
for param in parameters.keys():
if parameters[param] is None:
parameters[param] = ""
if type(parameters[param]) == type([]):
for e in parameters[param]:
H.append('<input type="hidden" name="%s" value="%s"/>' % (param, e))
else:
H.append(
'<input type="hidden" name="%s" value="%s"/>'
% (param, parameters[param])
)
H.append("</form>")
if helpmsg:
H.append('<p class="help">' + helpmsg + "</p>")
if add_headers:
return (
html_sco_header.sco_header() + "\n".join(H) + html_sco_header.sco_footer()
)
else:
return "\n".join(H)
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