+
−"""execute this script if you've migration to file >= 1.9.0 with cubicweb <= 3.9.2
+
−
+
−FYI, this migration occurred :
+
−* on our intranet on July 07 2010
+
−* on our extranet on July 16 2010
+
−"""
+
−from __future__ import with_statement
+
−
+
−try:
+
−    backupinstance, = __args__
+
−except ValueError:
+
−    print 'USAGE: cubicweb-ctl shell <instance> repair_file_1-9_migration.py -- <backup instance id>'
+
−    print
+
−    print 'you should restored the backup on a new instance, accessible through pyro'
+
−
+
−from cubicweb import cwconfig, dbapi
+
−from cubicweb.server.session import hooks_control
+
−
+
−sourcescfg = repo.config.sources()
+
−backupcfg = cwconfig.instance_configuration(backupinstance)
+
−backupcfg.repairing = True
+
−backuprepo, backupcnx = dbapi.in_memory_repo_cnx(backupcfg, sourcescfg['admin']['login'],
+
−                                                 password=sourcescfg['admin']['password'],
+
−                                                 host='localhost')
+
−backupcu = backupcnx.cursor()
+
−
+
−with hooks_control(session, session.HOOKS_DENY_ALL):
+
−    rql('SET X is Y WHERE X is File, Y name "File", NOT X is Y')
+
−    rql('SET X is_instance_of Y WHERE X is File, Y name "File", NOT X is_instance_of Y')
+
−    for rtype, in backupcu.execute('DISTINCT Any RTN WHERE X relation_type RT, RT name RTN,'
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−                                   'X from_entity Y, Y name "Image", X is CWRelation, '
+
−                                   'EXISTS(XX is CWRelation, XX relation_type RT, '
+
−                                   'XX from_entity YY, YY name "File")'):
+
−        if rtype in ('is', 'is_instance_of'):
+
−            continue
+
−        print rtype
+
−        for feid, xeid in backupcu.execute('Any F,X WHERE F %s X, F is IN (File,Image)' % rtype):
+
−            print 'restoring relation %s between file %s and %s' % (rtype, feid, xeid),
+
−            print rql('SET F %s X WHERE F eid %%(f)s, X eid %%(x)s, NOT F %s X' % (rtype, rtype),
+
−                      {'f': feid, 'x': xeid})
+
−
+
−    for rtype, in backupcu.execute('DISTINCT Any RTN WHERE X relation_type RT, RT name RTN,'
+
−                                   'X to_entity Y, Y name "Image", X is CWRelation, '
+
−                                   'EXISTS(XX is CWRelation, XX relation_type RT, '
+
−                                   'XX to_entity YY, YY name "File")'):
+
−        print rtype
+
−        for feid, xeid in backupcu.execute('Any F,X WHERE X %s F, F is IN (File,Image)' % rtype):
+
−            print 'restoring relation %s between %s and file %s' % (rtype, xeid, feid),
+
−            print rql('SET X %s F WHERE F eid %%(f)s, X eid %%(x)s, NOT X %s F' % (rtype, rtype),
+
−                      {'f': feid, 'x': xeid})
+
−
+
−commit()