def perform_validations(options={}) # :nodoc:
      if options.is_a?(Hash)
        options[:validate] == false || valid?(options[:context])
      else
        valid?
      end
    end
def perform_validations(options={}) # :nodoc:
      if options.is_a?(Hash)
        options[:validate] == false || valid?(options[:context])
      else
        valid?
      end
    end
Real validations happens on OpenERP side, only pre-validations can happen here eventually