Simple use case of Django Piston

handler.py

from piston.handler import BaseHandler
from myapp.models import Blogpost

class BlogpostHandler(BaseHandler):
   allowed_methods = ('GET',)
   model = Blogpost   
   # fields = ('title', 'description', ('tags', ('name')))

    def read(self, request, blogpost_id=None):
        """
        Returns a single post if `blogpost_id` is given,
        otherwise a subset.

        """
        base = Blogpost.objects
        
        if blogpost_id:
            return base.get(pk=blogpost_id)
        else:
            return base.all() # Or base.filter(...)

urls.py

from django.conf.urls.defaults import *
from piston.resource import Resource
from mysite.myapp.api.handlers import BlogpostHandler

blogpost_handler = Resource(BlogpostHandler)

urlpatterns = patterns('',
   url(r'^blogpost/(?P<post_slug>[^/]+)/', blogpost_handler),
   url(r'^blogposts/', blogpost_handler),
)