feat(ir.attachment.facturae.mx): Update sign_cancel function to new api

Update funciont sign_cancel to new api in order to be able to call from l10n_mx_hr_payroll module

for cancell payslips

l10n_mx_ir_attachment_facturae/ir_attachment_facturae.py

 # -*- encoding: utf-8 -*-
-###########################################################################
-#    Module Writen to OpenERP, Open Source Management Solution
-#
-#    Authors: Vaouxoo (<http://www.vauxoo.com/>)
-#             Openpyme (<http://openpyme.mx>)
-#
-#
-#    Coded by: Juan Carlos Hernandez Funes (juan@vauxoo.com)
-#              Agustín Cruz Lozano (agustin.cruz@openpyme.mx)
-#
-#    This program is free software: you can redistribute it and/or modify
-#    it under the terms of the GNU Affero General Public License as
-#    published by the Free Software Foundation, either version 3 of the
-#    License, or (at your option) any later version.
-#
-#    This program is distributed in the hope that it will be useful,
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#    GNU Affero General Public License for more details.
-#
-#    You should have received a copy of the GNU Affero General Public License
-#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
-##############################################################################
 
 import base64
+import codecs
 import logging
 import os
 import tempfile
 import time
-import codecs
 
 from openerp import SUPERUSER_ID, netsvc, tools
+from openerp import api, models
 from openerp.osv import fields, orm
-from openerp import api
+from openerp.exceptions import Warning as UserError
 from openerp.tools.translate import _
 
+
 _logger = logging.getLogger(__name__)
 
 
-class ir_attachment_facturae_mx(orm.Model):
+class ir_attachment_facturae_mx(models.Model):
     _name = 'ir.attachment.facturae.mx'
     _inherit = ['mail.thread', 'ir.needaction_mixin']
 
         self.write(cr, uid, ids, {'state': 'done'}, context=context)
         return
 
-    @api.model
-    def signal_cancel(self, ids):
-        for attach in self.browse(ids):
-            if (
-                'cfdi' in attach.type and
-                attach.state not in ['cancel', 'draft', 'confirmed']
-            ):
-                type_fc = attach.get_driver_fc_cancel()
-                if attach.type in type_fc.keys():
-                    cfdi_cancel = type_fc[attach.type]()
+    @api.multi
+    def signal_cancel(self):
+        for record in self:
+            if record.state not in ['cancel', 'draft', 'confirmed']:
+                type_fc = record.get_driver_fc_cancel()
+                if record.type in type_fc.keys():
+                    cfdi_cancel = type_fc[record.type]()
                     if cfdi_cancel['status']:
                         # Set ir_attachment to cancel
-                        attach.write({'state': 'cancel'})
+                        record.write({'state': 'cancel'})
                     else:
-                        raise orm.except_orm(
-                            _('Error'),
-                            _("Couldn't cancel document")
+                        raise UserError(
+                            _("Failed trying to cancel document"),
                         )
                 else:
-                    raise orm.except_orm(
-                        _('Error'),
-                        _("Unknow driver for %s" % attach.type)
+                    raise UserError(
+                        _("Unknown driver for %s" % record.type),
                     )
             else:
-                raise orm.except_orm(
-                    _("Type Electronic Invoice Unknow!"),
-                    _("The Type Electronic Invoice:" + (attach.type or ''))
+                raise UserError(
+                    _("Document type unknown: %s" % record.type or ''),
                 )
         return
 
         context = dict(context or {})
         number = "sn"
         comprobante = 'cfdi:Comprobante'
-        emisor = 'cfdi:Emisor'
         receptor = 'cfdi:Receptor'
         concepto = 'cfdi:Conceptos'
-        (fileno_xml, fname_xml) = tempfile.mkstemp(
+        (_, fname_xml) = tempfile.mkstemp(
             '.xml', 'openerp_' + (number or '') + '__facturae__'
         )
         fname_txt = fname_xml + '.txt'
                 f, indent='    ', addindent='    ', newl='\r\n'
             )
 
-        (fileno_sign, fname_sign) = tempfile.mkstemp(
+        (fileno_sign, _) = tempfile.mkstemp(
             '.txt', 'openerp_' + (number or '') + '__facturae_txt_md5__'
         )
         os.close(fileno_sign)