I have founded a solution for inject data in view, is it a good solution ?

# -*- coding: utf-8 -*-

from openerp import SUPERUSER_ID
from openerp.http import request
from openerp.osv import osv, fields

class view(osv.osv):
    _inherit = "ir.ui.view"

    def render(self, cr, uid, id_or_xml_id, values=None, engine='ir.qweb', context=None):
        if request and getattr(request, 'website_enabled', False):
            if values == None:
                values = {}
              values['test'] = 'data to inject'

        return super(view, self).render(cr, uid, id_or_xml_id, values=values, engine=engine, context=context)