122 lines
3.9 KiB
Python
122 lines
3.9 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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"""Classe stockant le VDI avec le code étape (noms de fichiers maquettes et code semestres)
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"""
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from app.scodoc.sco_exceptions import ScoValueError
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class ApoEtapeVDI(object):
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_ETAPE_VDI_SEP = "!"
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def __init__(self, etape_vdi=None, etape="", vdi=""):
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"""Build from string representation, e.g. 'V1RT!111'"""
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if etape_vdi:
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self.etape_vdi = etape_vdi
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self.etape, self.vdi = self.split_etape_vdi(etape_vdi)
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elif etape:
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if self._ETAPE_VDI_SEP in etape:
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raise ScoValueError("valeur code etape invalide")
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self.etape, self.vdi = etape, vdi
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self.etape_vdi = self.concat_etape_vdi(etape, vdi)
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else:
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self.etape_vdi, self.etape, self.vdi = "", "", ""
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def __repr__(self):
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return self.__class__.__name__ + "('" + str(self) + "')"
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def __str__(self):
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return self.etape_vdi
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def _cmp(self, other):
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"""Test égalité de deux codes étapes.
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Si le VDI des deux est spécifié, on l'utilise. Sinon, seul le code étape est pris en compte.
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Donc V1RT == V1RT!111, V1RT!110 == V1RT, V1RT!77 != V1RT!78, ...
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Compare the two objects x (=self) and y and return an integer according to
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the outcome. The return value is negative if x < y, zero if x == y
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and strictly positive if x > y.
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"""
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if other is None:
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return -1
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if isinstance(other, str):
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other = ApoEtapeVDI(other)
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if self.vdi and other.vdi:
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x = (self.etape, self.vdi)
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y = (other.etape, other.vdi)
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else:
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x = self.etape
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y = other.etape
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return (x > y) - (x < y)
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def __eq__(self, other):
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return self._cmp(other) == 0
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def __ne__(self, other):
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return self._cmp(other) != 0
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def __lt__(self, other):
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return self._cmp(other) < 0
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def __le__(self, other):
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return self._cmp(other) <= 0
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def __gt__(self, other):
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return self._cmp(other) > 0
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def __ge__(self, other):
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return self._cmp(other) >= 0
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def split_etape_vdi(self, etape_vdi):
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"""Etape Apogee can be stored as 'V1RT' or, including the VDI version,
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as 'V1RT!111'
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Returns etape, VDI
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"""
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if etape_vdi:
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t = etape_vdi.split(self._ETAPE_VDI_SEP)
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if len(t) == 1:
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etape = etape_vdi
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vdi = ""
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elif len(t) == 2:
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etape, vdi = t
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else:
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raise ValueError("invalid code etape")
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return etape, vdi
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else:
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return etape_vdi, ""
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def concat_etape_vdi(self, etape, vdi=""):
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if vdi:
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return self._ETAPE_VDI_SEP.join([etape, vdi])
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else:
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return etape
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# [ ApoEtapeVDI('V1RT!111'), ApoEtapeVDI('V1RT!112'), ApoEtapeVDI('VCRT'), ApoEtapeVDI('V1RT') ]
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