如何防止通过ajax更新的pylons html表重复代码？

I have a pylons web-page with a table. I have created python functions in the template which help with the construction of the table html. One of these functions takes an 'item' and generates an html row while also adding css zebra striping. The other def generates the header row's html. I have a pylons web-page with a table. I have c