forked from ScoDoc/ScoDoc
634 lines
20 KiB
Python
634 lines
20 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Gestion scolarite IUT
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#
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# Copyright (c) 1999 - 2021 Emmanuel Viennet. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Emmanuel Viennet emmanuel.viennet@viennet.net
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#
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##############################################################################
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"""Fonctions sur les absences
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"""
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# Anciennement dans ZAbscences.py, séparé pour migration
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import string
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import datetime
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import re
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import time
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import calendar
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import cgi
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import notesdb
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from sco_exceptions import ScoValueError, ScoInvalidDateError
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import sco_formsemestre
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import sco_compute_moy
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def is_work_saturday(context):
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"Vrai si le samedi est travaillé"
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return int(context.get_preference("work_saturday"))
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def MonthNbDays(month, year):
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"returns nb of days in month"
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if month > 7:
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month = month + 1
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if month % 2:
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return 31
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elif month == 2:
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if calendar.isleap(year):
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return 29
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else:
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return 28
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else:
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return 30
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class ddmmyyyy:
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"""immutable dates"""
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def __init__(self, date=None, fmt="ddmmyyyy", work_saturday=False):
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self.work_saturday = work_saturday
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if date is None:
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return
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try:
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if fmt == "ddmmyyyy":
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self.day, self.month, self.year = string.split(date, "/")
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elif fmt == "iso":
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self.year, self.month, self.day = string.split(date, "-")
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else:
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raise ValueError("invalid format spec. (%s)" % fmt)
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self.year = string.atoi(self.year)
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self.month = string.atoi(self.month)
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self.day = string.atoi(self.day)
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except:
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raise ScoValueError("date invalide: %s" % date)
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# accept years YYYY or YY, uses 1970 as pivot
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if self.year < 1970:
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if self.year > 100:
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raise ScoInvalidDateError("Année invalide: %s" % self.year)
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if self.year < 70:
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self.year = self.year + 2000
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else:
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self.year = self.year + 1900
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if self.month < 1 or self.month > 12:
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raise ScoInvalidDateError("Mois invalide: %s" % self.month)
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if self.day < 1 or self.day > MonthNbDays(self.month, self.year):
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raise ScoInvalidDateError("Jour invalide: %s" % self.day)
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# weekday in 0-6, where 0 is monday
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self.weekday = calendar.weekday(self.year, self.month, self.day)
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self.time = time.mktime((self.year, self.month, self.day, 0, 0, 0, 0, 0, 0))
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def iswork(self):
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"returns true if workable day"
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if self.work_saturday:
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nbdays = 6
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else:
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nbdays = 5
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if (
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self.weekday >= 0 and self.weekday < nbdays
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): # monday-friday or monday-saturday
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return 1
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else:
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return 0
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def __repr__(self):
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return "'%02d/%02d/%04d'" % (self.day, self.month, self.year)
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def __str__(self):
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return "%02d/%02d/%04d" % (self.day, self.month, self.year)
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def ISO(self):
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"iso8601 representation of the date"
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return "%04d-%02d-%02d" % (self.year, self.month, self.day)
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def next(self, days=1):
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"date for the next day (nota: may be a non workable day)"
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day = self.day + days
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month = self.month
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year = self.year
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while day > MonthNbDays(month, year):
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day = day - MonthNbDays(month, year)
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month = month + 1
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if month > 12:
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month = 1
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year = year + 1
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return self.__class__(
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"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
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)
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def prev(self, days=1):
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"date for previous day"
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day = self.day - days
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month = self.month
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year = self.year
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while day <= 0:
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month = month - 1
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if month == 0:
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month = 12
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year = year - 1
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day = day + MonthNbDays(month, year)
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return self.__class__(
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"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
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)
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def next_monday(self):
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"date of next monday"
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return self.next((7 - self.weekday) % 7)
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def prev_monday(self):
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"date of last monday, but on sunday, pick next monday"
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if self.weekday == 6:
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return self.next_monday()
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else:
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return self.prev(self.weekday)
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def __cmp__(self, other):
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"""return a negative integer if self < other,
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zero if self == other, a positive integer if self > other"""
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return int(self.time - other.time)
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def __hash__(self):
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"we are immutable !"
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return hash(self.time) ^ hash(str(self))
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# d = ddmmyyyy( '21/12/99' )
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def DateRangeISO(context, date_beg, date_end, workable=1):
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"""returns list of dates in [date_beg,date_end]
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workable = 1 => keeps only workable days"""
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if not date_beg:
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raise ScoValueError("pas de date spécifiée !")
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if not date_end:
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date_end = date_beg
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r = []
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work_saturday = is_work_saturday(context)
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cur = ddmmyyyy(date_beg, work_saturday=work_saturday)
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end = ddmmyyyy(date_end, work_saturday=work_saturday)
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while cur <= end:
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if (not workable) or cur.iswork():
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r.append(cur)
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cur = cur.next()
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return map(lambda x: x.ISO(), r)
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def day_names(context):
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"""Returns week day names.
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If work_saturday property is set, include saturday
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"""
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if is_work_saturday(context):
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return ["Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi"]
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else:
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return ["Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi"]
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def next_iso_day(context, date):
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"return date after date"
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d = ddmmyyyy(date, fmt="iso", work_saturday=is_work_saturday(context))
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return d.next().ISO()
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def YearTable(
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context,
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year,
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events=[],
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firstmonth=9,
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lastmonth=7,
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halfday=0,
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dayattributes="",
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pad_width=8,
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):
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"""Generate a calendar table
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events = list of tuples (date, text, color, href [,halfday])
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where date is a string in ISO format (yyyy-mm-dd)
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halfday is boolean (true: morning, false: afternoon)
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text = text to put in calendar (must be short, 1-5 cars) (optional)
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if halfday, generate 2 cells per day (morning, afternoon)
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"""
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T = [
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'<table id="maincalendar" class="maincalendar" border="3" cellpadding="1" cellspacing="1" frame="box">'
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]
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T.append("<tr>")
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month = firstmonth
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while 1:
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T.append('<td valign="top">')
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T.append(MonthTableHead(month))
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T.append(
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MonthTableBody(
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month,
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year,
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events,
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halfday,
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dayattributes,
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is_work_saturday(context),
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pad_width=pad_width,
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)
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)
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T.append(MonthTableTail())
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T.append("</td>")
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if month == lastmonth:
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break
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month = month + 1
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if month > 12:
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month = 1
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year = year + 1
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T.append("</table>")
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return string.join(T, "\n")
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# ---- BILLETS
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_billet_absenceEditor = notesdb.EditableTable(
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"billet_absence",
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"billet_id",
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(
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"billet_id",
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"etudid",
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"abs_begin",
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"abs_end",
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"description",
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"etat",
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"entry_date",
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"justified",
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),
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sortkey="entry_date desc",
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)
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billet_absence_create = _billet_absenceEditor.create
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billet_absence_delete = _billet_absenceEditor.delete
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billet_absence_list = _billet_absenceEditor.list
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billet_absence_edit = _billet_absenceEditor.edit
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# ------ HTML Calendar functions (see YearTable function)
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# MONTH/DAY NAMES:
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MONTHNAMES = (
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"Janvier",
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"Février",
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"Mars",
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"Avril",
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"Mai",
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"Juin",
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"Juillet",
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"Aout",
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"Septembre",
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"Octobre",
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"Novembre",
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"Décembre",
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)
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MONTHNAMES_ABREV = (
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"Jan.",
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"Fév.",
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"Mars",
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"Avr.",
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"Mai ",
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"Juin",
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"Juil",
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"Aout",
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"Sept",
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"Oct.",
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"Nov.",
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"Déc.",
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)
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DAYNAMES = ("Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi", "Dimanche")
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DAYNAMES_ABREV = ("L", "M", "M", "J", "V", "S", "D")
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# COLORS:
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WHITE = "#FFFFFF"
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GRAY1 = "#EEEEEE"
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GREEN3 = "#99CC99"
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WEEKDAYCOLOR = GRAY1
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WEEKENDCOLOR = GREEN3
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def MonthTableHead(month):
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color = WHITE
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return """<table class="monthcalendar" border="0" cellpadding="0" cellspacing="0" frame="box">
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<tr bgcolor="%s"><td class="calcol" colspan="2" align="center">%s</td></tr>\n""" % (
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color,
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MONTHNAMES_ABREV[month - 1],
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)
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def MonthTableTail():
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return "</table>\n"
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def MonthTableBody(
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month, year, events=[], halfday=0, trattributes="", work_saturday=False, pad_width=8
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):
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firstday, nbdays = calendar.monthrange(year, month)
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localtime = time.localtime()
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current_weeknum = time.strftime("%U", localtime)
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current_year = localtime[0]
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T = []
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# cherche date du lundi de la 1ere semaine de ce mois
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monday = ddmmyyyy("1/%d/%d" % (month, year))
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while monday.weekday != 0:
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monday = monday.prev()
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if work_saturday:
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weekend = ("D",)
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else:
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weekend = ("S", "D")
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if not halfday:
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for d in range(1, nbdays + 1):
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weeknum = time.strftime(
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"%U", time.strptime("%d/%d/%d" % (d, month, year), "%d/%m/%Y")
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)
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day = DAYNAMES_ABREV[(firstday + d - 1) % 7]
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if day in weekend:
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bgcolor = WEEKENDCOLOR
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weekclass = "wkend"
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attrs = ""
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else:
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bgcolor = WEEKDAYCOLOR
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weekclass = "wk" + str(monday).replace("/", "_")
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attrs = trattributes
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color = None
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legend = ""
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href = ""
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descr = ""
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# event this day ?
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# each event is a tuple (date, text, color, href)
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# where date is a string in ISO format (yyyy-mm-dd)
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for ev in events:
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ev_year = int(ev[0][:4])
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ev_month = int(ev[0][5:7])
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ev_day = int(ev[0][8:10])
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if year == ev_year and month == ev_month and ev_day == d:
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if ev[1]:
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legend = ev[1]
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if ev[2]:
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color = ev[2]
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if ev[3]:
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href = ev[3]
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if len(ev) > 4 and ev[4]:
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descr = ev[4]
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#
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cc = []
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if color != None:
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cc.append('<td bgcolor="%s" class="calcell">' % color)
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else:
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cc.append('<td class="calcell">')
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if href:
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href = 'href="%s"' % href
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if descr:
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descr = 'title="%s"' % cgi.escape(descr, quote=True)
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if href or descr:
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cc.append("<a %s %s>" % (href, descr))
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if legend or d == 1:
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if pad_width != None:
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n = pad_width - len(legend) # pad to 8 cars
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if n > 0:
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legend = " " * (n / 2) + legend + " " * ((n + 1) / 2)
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else:
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legend = " " # empty cell
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cc.append(legend)
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if href or descr:
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cc.append("</a>")
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cc.append("</td>")
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cell = string.join(cc, "")
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if day == "D":
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monday = monday.next(7)
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if (
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weeknum == current_weeknum
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and current_year == year
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and weekclass != "wkend"
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):
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weekclass += " currentweek"
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T.append(
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'<tr bgcolor="%s" class="%s" %s><td class="calday">%d%s</td>%s</tr>'
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% (bgcolor, weekclass, attrs, d, day, cell)
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)
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else:
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# Calendar with 2 cells / day
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for d in range(1, nbdays + 1):
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weeknum = time.strftime(
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"%U", time.strptime("%d/%d/%d" % (d, month, year), "%d/%m/%Y")
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)
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day = DAYNAMES_ABREV[(firstday + d - 1) % 7]
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if day in weekend:
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bgcolor = WEEKENDCOLOR
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weekclass = "wkend"
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attrs = ""
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else:
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bgcolor = WEEKDAYCOLOR
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weekclass = "wk" + str(monday).replace("/", "_")
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attrs = trattributes
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if (
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weeknum == current_weeknum
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and current_year == year
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and weekclass != "wkend"
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):
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weeknum += " currentweek"
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if day == "D":
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monday = monday.next(7)
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T.append(
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'<tr bgcolor="%s" class="wk%s" %s><td class="calday">%d%s</td>'
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% (bgcolor, weekclass, attrs, d, day)
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)
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cc = []
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for morning in (1, 0):
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color = None
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legend = ""
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href = ""
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descr = ""
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for ev in events:
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ev_year = int(ev[0][:4])
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ev_month = int(ev[0][5:7])
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ev_day = int(ev[0][8:10])
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if ev[4] != None:
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ev_half = int(ev[4])
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else:
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ev_half = 0
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if (
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year == ev_year
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and month == ev_month
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and ev_day == d
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and morning == ev_half
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):
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if ev[1]:
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legend = ev[1]
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if ev[2]:
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color = ev[2]
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if ev[3]:
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href = ev[3]
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if len(ev) > 5 and ev[5]:
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descr = ev[5]
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#
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if color != None:
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cc.append('<td bgcolor="%s" class="calcell">' % (color))
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else:
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cc.append('<td class="calcell">')
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if href:
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href = 'href="%s"' % href
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if descr:
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descr = 'title="%s"' % cgi.escape(descr, quote=True)
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if href or descr:
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cc.append("<a %s %s>" % (href, descr))
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if legend or d == 1:
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n = 3 - len(legend) # pad to 3 cars
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if n > 0:
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legend = " " * (n / 2) + legend + " " * ((n + 1) / 2)
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else:
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legend = " " # empty cell
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cc.append(legend)
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if href or descr:
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cc.append("</a>")
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cc.append("</td>\n")
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T.append(string.join(cc, "") + "</tr>")
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return string.join(T, "\n")
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# --------------------------------------------------------------------
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#
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# Cache absences
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#
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# On cache simplement (à la demande) le nombre d'absences de chaque etudiant
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# dans un semestre donné.
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# Toute modification du semestre (invalidation) invalide le cache
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# (simple mécanisme de "listener" sur le cache de semestres)
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# Toute modification des absences d'un étudiant invalide les caches des semestres
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# concernés à cette date (en général un seul semestre)
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#
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# On ne cache pas la liste des absences car elle est rarement utilisée (calendrier,
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# absences à une date donnée).
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#
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# --------------------------------------------------------------------
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class CAbsSemEtud:
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"""Comptes d'absences d'un etudiant dans un semestre"""
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def __init__(self, context, sem, etudid):
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self.context = context
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self.sem = sem
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self.etudid = etudid
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self._loaded = False
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formsemestre_id = sem["formsemestre_id"]
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context.Notes._getNotesCache().add_listener(
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self.invalidate, formsemestre_id, (etudid, formsemestre_id)
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)
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def CountAbs(self):
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if not self._loaded:
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self.load()
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return self._CountAbs
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def CountAbsJust(self):
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if not self._loaded:
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self.load()
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return self._CountAbsJust
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def load(self):
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"Load state from DB"
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# log('loading CAbsEtudSem(%s,%s)' % (self.etudid, self.sem['formsemestre_id']))
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# Reload sem, it may have changed
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self.sem = sco_formsemestre.get_formsemestre(
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self.context, self.sem["formsemestre_id"]
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)
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debut_sem = notesdb.DateDMYtoISO(self.sem["date_debut"])
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fin_sem = notesdb.DateDMYtoISO(self.sem["date_fin"])
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self._CountAbs = self.context.Absences.CountAbs(
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etudid=self.etudid, debut=debut_sem, fin=fin_sem
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)
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self._CountAbsJust = self.context.Absences.CountAbsJust(
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etudid=self.etudid, debut=debut_sem, fin=fin_sem
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)
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self._loaded = True
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def invalidate(self, args=None):
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"Notify me that DB has been modified"
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# log('invalidate CAbsEtudSem(%s,%s)' % (self.etudid, self.sem['formsemestre_id']))
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self._loaded = False
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# Accès au cache des absences
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ABS_CACHE_INST = {} # { DeptId : { formsemestre_id : { etudid : CAbsEtudSem } } }
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def getAbsSemEtud(context, sem, etudid):
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AbsSemEtuds = getAbsSemEtuds(context, sem)
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if not etudid in AbsSemEtuds:
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AbsSemEtuds[etudid] = CAbsSemEtud(context, sem, etudid)
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return AbsSemEtuds[etudid]
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def getAbsSemEtuds(context, sem):
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u = context.GetDBConnexionString() # identifie le dept de facon fiable
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if not u in ABS_CACHE_INST:
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ABS_CACHE_INST[u] = {}
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C = ABS_CACHE_INST[u]
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if sem["formsemestre_id"] not in C:
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C[sem["formsemestre_id"]] = {}
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return C[sem["formsemestre_id"]]
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def invalidateAbsEtudDate(context, etudid, date):
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"""Doit etre appelé à chaque modification des absences pour cet étudiant et cette date.
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Invalide cache absence et PDF bulletins si nécessaire.
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date: date au format ISO
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"""
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# Semestres a cette date:
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etud = context.getEtudInfo(etudid=etudid, filled=True)[0]
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sems = [
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sem
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for sem in etud["sems"]
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if sem["date_debut_iso"] <= date and sem["date_fin_iso"] >= date
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]
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# Invalide les PDF et les abscences:
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for sem in sems:
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# Inval cache bulletin et/ou note_table
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if sco_compute_moy.formsemestre_expressions_use_abscounts(
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context, sem["formsemestre_id"]
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):
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pdfonly = False # seules certaines formules utilisent les absences
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else:
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pdfonly = (
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True # efface toujours le PDF car il affiche en général les absences
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)
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context.Notes._inval_cache(
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pdfonly=pdfonly, formsemestre_id=sem["formsemestre_id"]
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)
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# Inval cache compteurs absences:
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AbsSemEtuds = getAbsSemEtuds(context, sem)
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if etudid in AbsSemEtuds:
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AbsSemEtuds[etudid].invalidate()
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