[lc_ldap, objets] Création des objets ldap avec un lockid bien a eux
This commit is contained in:
Valentin Samir
parent
4f88ae824a
commit
955a4f2820
2 changed files with 55 additions and 49 deletions
64
lc_ldap.py
64
lc_ldap.py
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@ -166,16 +166,16 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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login = self.current_login
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(dn, ldif)= self.ressuscite_build_ldif(ldif_file)
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# On définit de nouveaux dn si ceux-ci sont déjà pris
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lockId = self.lockholder.newid()
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try:
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if self.search(dn=dn):
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for id in ["aid", "mid", "fid", "cid", "xid"]:
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if dn.startswith("%s=" % id):
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ldif[id]=[str(self._find_id(id))]
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ldif[id]=[str(self._find_id(id, lockId=lockId))]
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dn="%s=%s,%s" % (id, ldif[id][0], dn.split(',',1)[1])
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except ldap.NO_SUCH_OBJECT:
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pass
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obj = objets.new_cransldapobject(self, dn, mode='rw', uldif=ldif_to_uldif(ldif))
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# La vérification des attibuts uniques et de l'existance du dn est faite en appelant create()
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obj = self._create_entity(dn, ldif_to_uldif(ldif), lockId)
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obj.history_add(login, u"resurrection")
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return obj
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@ -281,6 +281,7 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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login = self.current_login
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#adm, serveurs, bornes, wifi, adherents, gratuit ou personnel-ens"""
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owner = self.search(u'objectClass=*', dn=parent, scope=0)[0]
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lockId = self.lockholder.newid()
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if realm in ["adm", "serveurs", "serveurs-v6", "adm-v6"]:
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uldif['objectClass'] = [u'machineCrans']
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@ -303,7 +304,7 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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# On récupère le premier id libre dans la plages s'il n'est pas
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# déjà précisé dans le ldif
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rid = uldif.setdefault('rid', [unicode(self._find_id('rid', realm))])
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rid = uldif.setdefault('rid', [unicode(self._find_id('rid', realm, lockId=lockId))])
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# La machine peut-elle avoir une ipv4 ?
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if 'v6' not in realm:
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@ -311,10 +312,10 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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uldif['ip6HostNumber'] = [ unicode(crans_utils.ip6_of_mac(uldif['macAddress'][0], int(rid[0]))) ]
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# Mid
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uldif['mid'] = [ unicode(self._find_id('mid')) ]
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uldif['mid'] = [ unicode(self._find_id('mid', lockId=lockId)) ]
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# Tout doit disparaître !!
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machine = self._create_entity('mid=%s,%s' % (uldif['mid'][0], parent), uldif)
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machine = self._create_entity('mid=%s,%s' % (uldif['mid'][0], parent), uldif, lockId)
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if machine.may_be(variables.created, self.droits + self._check_parent(machine.dn)):
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return machine
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else:
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@ -322,10 +323,11 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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def newAdherent(self, aldif):
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"""Crée un nouvel adhérent"""
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lockId = self.lockholder.newid()
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uldif = copy.deepcopy(aldif)
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aid = uldif.setdefault('aid', [ unicode(self._find_id('aid')) ])
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aid = uldif.setdefault('aid', [ unicode(self._find_id('aid', lockId=lockId)) ])
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uldif['objectClass'] = [u'adherent']
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adherent = self._create_entity('aid=%s,%s' % (aid[0], variables.base_dn), uldif)
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adherent = self._create_entity('aid=%s,%s' % (aid[0], variables.base_dn), uldif, lockId)
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if adherent.may_be(variables.created, self.droits):
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return adherent
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else:
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@ -333,10 +335,11 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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def newClub(self, cldif):
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"""Crée un nouveau club"""
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lockId = self.lockholder.newid()
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uldif = copy.deepcopy(cldif)
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cid = uldif.setdefault('cid', [ unicode(self._find_id('cid')) ])
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cid = uldif.setdefault('cid', [ unicode(self._find_id('cid', lockId=lockId)) ])
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uldif['objectClass'] = [u'club']
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club = self._create_entity('cid=%s,%s' % (cid[0], variables.base_dn), uldif)
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club = self._create_entity('cid=%s,%s' % (cid[0], variables.base_dn), uldif, lockId)
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if club.may_be(variables.created, self.droits):
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return club
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else:
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@ -344,11 +347,12 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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def newFacture(self, parent, fldif):
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"""Crée une nouvelle facture"""
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lockId = self.lockholder.newid()
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uldif = copy.deepcopy(fldif)
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# fid
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uldif['fid'] = [ unicode(self._find_id('fid')) ]
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uldif['fid'] = [ unicode(self._find_id('fid', lockId=lockId)) ]
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uldif['objectClass'] = [u'facture']
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facture = self._create_entity('fid=%s,%s' % (uldif['fid'][0], parent), uldif)
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facture = self._create_entity('fid=%s,%s' % (uldif['fid'][0], parent), uldif, lockId)
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if facture.may_be(variables.created, self.droits + self._check_parent(facture.dn)):
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return facture
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else:
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@ -356,41 +360,45 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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def newCertificat(self, parent, xldif):
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"""Crée un nouveau certificat x509"""
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lockId = self.lockholder.newid()
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uldif = copy.deepcopy(xldif)
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# xid
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uldif['xid'] = [ unicode(self._find_id('xid')) ]
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uldif['xid'] = [ unicode(self._find_id('xid', lockId=lockId)) ]
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uldif['objectClass'] = [u'baseCert']
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baseCert = self._create_entity('xid=%s,%s' % (uldif['xid'][0], parent), uldif)
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baseCert = self._create_entity('xid=%s,%s' % (uldif['xid'][0], parent), uldif, lockId)
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if baseCert.may_be(variables.created, self.droits + self._check_parent(baseCert.dn)):
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return baseCert
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else:
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raise EnvironmentError("Vous n'avez pas le droit de créer ce certiticat.")
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def _create_entity(self, dn, uldif):
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def _create_entity(self, dn, uldif, lockId):
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'''Crée une nouvelle entité ldap avec le dn ``dn`` et les
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attributs de ``ldif``. Attention, ldif doit contenir des
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données encodées.'''
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# Ajout des locks, on instancie les attributs qui ne sont pas
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# des id, ceux-ci étant déjà lockés.
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Id=None
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try:
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obj = objets.new_cransldapobject(self, dn, 'rw', uldif)
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Id = obj.lockId
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for key, values in uldif.iteritems():
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attribs = [attributs.attrify(val, key, self) for val in values]
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for attribut in attribs:
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if attribut.unique:
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self.lockholder.addlock(key, str(attribut), Id=Id)
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return obj
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try:
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self.lockholder.addlock(key, str(attribut), Id=lockId)
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except ldap_locks.LdapLockedByMySelf:
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# On vient juste d'acquérir le lock dans _find_id, ça n'est pas grâve
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pass
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return objets.new_cransldapobject(self, dn, 'rw', uldif, lockId=lockId)
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except ldap_locks.LockError:
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# On supprime seulement les locks que l'on vient de poser
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if Id is not None:
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self.lockholder.purge(Id)
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self.lockholder.purge(lockId)
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raise
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def _find_id(self, attr, realm=None):
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def _find_id(self, attr, realm=None, lockId=None):
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'''Trouve un id libre. Si une plage est fournie, cherche
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l'id dans celle-ci, sinon, prend le plus élevé possible.'''
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if lockId is None:
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raise ValueError("lockId ne devrait pas être à None")
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plage = None
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# On récupère la plage des ids
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if realm != None:
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@ -440,10 +448,9 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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continue
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else:
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try:
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self.lockholder.addlock(attr, str(i))
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self.lockholder.removelock(attr, str(i))
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self.lockholder.addlock(attr, str(i), lockId)
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break
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except:
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except ldap_locks.LockError:
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continue
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else:
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raise EnvironmentError('Aucun %s libre dans la plage [%d, %d]' %
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@ -452,13 +459,10 @@ class lc_ldap(ldap.ldapobject.LDAPObject, object):
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i = last_id + 1
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while True:
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try:
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self.lockholder.addlock(attr, str(i))
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self.lockholder.removelock(attr, str(i))
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self.lockholder.addlock(attr, str(i), lockId)
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break
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except ldap_locks.LockError:
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i += 1
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except Exception:
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raise
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return i
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38
objets.py
38
objets.py
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@ -72,7 +72,7 @@ crans_account_attribs = [attributs.uid, attributs.canonicalAlias, attributs.sold
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attributs.mailAlias, attributs.cn, attributs.rewriteMailHeaders,
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attributs.mailExt, attributs.compteWiki, attributs.droits]
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def new_cransldapobject(conn, dn, mode='ro', uldif=None):
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def new_cransldapobject(conn, dn, mode='ro', uldif=None, lockId=None):
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"""Crée un objet :py:class:`CransLdapObject` en utilisant la classe correspondant à
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l'``objectClass`` du ``ldif``
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--pour usage interne à la librairie uniquement !"""
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@ -92,7 +92,7 @@ def new_cransldapobject(conn, dn, mode='ro', uldif=None):
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_, attrs = res[0]
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classe = ObjectFactory.get(attrs['objectClass'][0])
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return classe(conn, dn, mode, uldif)
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return classe(conn, dn, mode, uldif, lockId=lockId)
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class CransLdapObject(object):
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"""Classe de base des objets :py:class:`CransLdap`.
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@ -106,11 +106,7 @@ class CransLdapObject(object):
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attribs = []
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@property
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def lockId(self):
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return '%s_%s' % (os.getpid(), id(self))
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def __init__(self, conn, dn, mode='ro', uldif=None):
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def __init__(self, conn, dn, mode='ro', uldif=None, lockId=None):
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'''
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Créée une instance d'un objet Crans (machine, adhérent,
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etc...) à ce ``dn``, si ``uldif`` est précisé, n'effectue pas de
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@ -122,6 +118,11 @@ class CransLdapObject(object):
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self.in_context = False
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self.conn = conn
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if lockId:
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self.lockId = lockId
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else:
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self.lockId = '%s_%s' % (os.getpid(), id(self))
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self.attrs = attributs.AttrsDict(conn, Parent=self) # Contient un dico ldif qui doit représenter ce qui
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# est dans la base. On attrify paresseusement au moment où on utilise un attribut
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@ -469,6 +470,7 @@ class CransLdapObject(object):
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return attributs.AttrsList(self, attr, [ v for v in self.attrs[attr] ])
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elif self.has_key(attr):
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return attributs.AttrsList(self, attr, []) if default is None else default
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else:
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raise KeyError(attr)
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def has_key(self, attr):
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@ -648,8 +650,8 @@ class proprio(CransLdapObject):
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def __repr__(self):
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return str(self.__class__) + " : nom=" + str(self['nom'][0])
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def __init__(self, conn, dn, mode='ro', ldif=None):
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super(proprio, self).__init__(conn, dn, mode, ldif)
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def __init__(self, *args, **kwargs):
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super(proprio, self).__init__(*args, **kwargs)
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self._machines = None
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self._factures = None
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if u'cransAccount' in self['objectClass']:
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@ -756,8 +758,8 @@ class machine(CransLdapObject):
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def __repr__(self):
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return str(self.__class__) + " : host=" + str(self['host'][0])
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def __init__(self, conn, dn, mode='ro', ldif = None):
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super(machine, self).__init__(conn, dn, mode, ldif)
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def __init__(self, *args, **kwargs):
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super(machine, self).__init__(*args, **kwargs)
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self._proprio = None
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self._certificats = None
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@ -946,8 +948,8 @@ class adherent(proprio):
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def __repr__(self):
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return str(self.__class__) + " : aid=" + str(self['aid'][0])
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def __init__(self, conn, dn, mode='ro', ldif=None):
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super(adherent, self).__init__(conn, dn, mode, ldif)
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def __init__(self, *args, **kwargs):
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super(adherent, self).__init__(*args, **kwargs)
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self.full = False
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self._clubs = None
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self._imprimeur_clubs = None
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@ -1125,8 +1127,8 @@ class facture(CransLdapObject):
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return str(self.__class__) + " : fid=" + str(self['fid'][0])
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#### GROS HACK pour rester comptatible avec ldap_crans où l'article representant les frais n'est ajouté qu'une fois le paiement reçu
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def __init__(self, conn, dn, mode='ro', ldif=None):
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super(facture, self).__init__(conn, dn, mode, ldif)
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def __init__(self, *args, **kwargs):
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super(facture, self).__init__(*args, **kwargs)
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self._frais = []
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if not self.get('recuPaiement', []):
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if str(self['modePaiement'][0]) == 'paypal':
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@ -1177,13 +1179,13 @@ class baseCert(CransLdapObject):
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def __repr__(self):
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return str(self.__class__) + " : xid=" + str(self['xid'][0])
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def __init__(self, conn, dn, mode='ro', ldif=None):
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super(baseCert, self).__init__(conn, dn, 'ro', ldif)
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def __init__(self, *args, **kwargs):
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super(baseCert, self).__init__(*args, **kwargs)
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if "TLSACert" in self['objectClass']:
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self.attribs.extend(self.tlsa_attribs)
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if 'x509Cert' in self['objectClass']:
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self.attribs.extend(self.x509_attribs)
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super(baseCert, self).__init__(conn, dn, mode, ldif)
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super(baseCert, self).__init__(*args, **kwargs)
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def _check_setitem(self, attr, values):
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"""
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