class ActionDispatch::Routing::PathRedirect

def escape(params)
  Hash[params.map{ |k,v| [k, Rack::Utils.escape(v)] }]
end

def inspect
  "redirect(#{status}, #{block})"
end

def path(params, request)
  (params.empty? || !block.match(/%\{\w*\}/)) ? block : (block % escape(params))
end