使用TurboGears和Python开发Web 站点

<table id="product-info">
  <tr>
    <td class="fld">Name:</td>
    <td class="val"><span py:replace="product.name" /></td>
  </tr>
  <tr>
    <td class="fld">SKU:</td>
    <td class="val"><span py:replace="product.sku" /></td>
  </tr>
  <tr>
    <td class="fld">Price:</td>
    <td class="val">$<span py:replace="'%.2f' % product.price" /></td>
  </tr>
</table>
      

from model import Category, Product
from sqlobject import SQLObjectNotFound
from cherrypy import NotFound
from turbogears import controllers, expose, url
class Root(controllers.Root):
    @expose("tgcommerce.templates.category")
    def category(self, categoryID):
 try:
     category = Category.get(categoryID)
 except SQLObjectNotFound:
     raise NotFound()
 return dict(category=category)
    @expose("tgcommerce.templates.product")
    def product(self, productID):
 try:
     product = Product.get(productID)
 except SQLObjectNotFound:
     raise NotFound()
 return dict(product=product)
      

from turbogears import redirect
try:
    object = ClassName.get(objectID)
except SQLObjectNotFound:
    raise redirect("/path_to_redirect")