module Wisepdf class NoExecutableError < StandardError def initialize(path=nil) msg = "No wkhtmltopdf found or it is not executable\n" msg += "Path: '#{path}'\n" unless path.nil? msg += "Please install wkhtmltopdf - http://code.google.com/p/wkhtmltopdf" super(msg) end end class WriteError < StandardError end end