for year in xrange(2015,2020):
            start_date = datetime.date(year, 6, 1)
            end_date = start_date + relativedelta(years=1, months=-1, day=31)
            fiscalyear = FiscalYear(name='%s-%s' % (year, year+1))
            fiscalyear.start_date = start_date
            fiscalyear.end_date = end_date
            fiscalyear.company = company
            fiscalyear.post_move_sequence = post_move_sequence
            for attr, name in (('out_invoice_sequence', 'Facturation'),
                    ('in_invoice_sequence', 'Facturation fournisseur'),
                    ('out_credit_note_sequence', 'Crédit'),
                    ('in_credit_note_sequence', 'Crédit fournisseur')):
                sequence = SequenceStrict(
                    name='%s-%s' % (start_date.year, name),
                    code='account.invoice',
                    company=company)
                sequence.padding = 3;
                sequence.prefix = '%s-' % start_date.year;
                sequence.save()
                sequence, = SequenceStrict.find([('name', '=', '%s-%s' % (start_date.year, name))])
                setattr(fiscalyear, attr, sequence)
            fiscalyear.save()
            FiscalYear.create_period([fiscalyear.id], config.context)