docs: def init_app(self, app):
          """This callback can be used to initialize an application for use with
          the OpenERP server.
          """
          app.config.setdefault('OPENERP_SERVER', 'http://localhost:8069')
          app.config.setdefault('OPENERP_DATABASE', 'openerp')
          app.config.setdefault('OPENERP_DEFAULT_USER', 'admin')
          app.config.setdefault('OPENERP_DEFAULT_PASSWORD', 'admin')
  
          app.jinja_env.globals.update(
              get_data_from_record=get_data_from_record
          )
  
          cnx = Client(
              server=app.config['OPENERP_SERVER'],
              db=app.config['OPENERP_DATABASE'],
              user=app.config['OPENERP_DEFAULT_USER'],
              password=app.config['OPENERP_DEFAULT_PASSWORD']
          )
  
          self.default_user = cnx.user
  
          app.before_request(self.before_request)