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Viewing changes to examples/blogserver/api/handlers.py

  • Committer: Bazaar Package Importer
  • Author(s): Michael Ziegler
  • Date: 2010-02-22 08:43:21 UTC
  • Revision ID: james.westby@ubuntu.com-20100222084321-4w7ah3ue1j0tg480
Tags: upstream-0.2.2
Import upstream version 0.2.2

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examples/blogserver/api/handlers.py
 
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from piston.handler import BaseHandler, AnonymousBaseHandler
 
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from piston.utils import rc, require_mime, require_extended
 
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from blogserver.blog.models import Blogpost
 
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class AnonymousBlogpostHandler(AnonymousBaseHandler):
 
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    """
 
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    Anonymous entrypoint for blogposts.
 
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    """
 
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    model = Blogpost
 
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    fields = ('id', 'title', 'content', 'created_on')
 
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    @classmethod
 
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    def resource_uri(self):
 
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        return ('blogposts', [ 'format', ])
 
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class BlogpostHandler(BaseHandler):
 
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    """
 
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    Authenticated entrypoint for blogposts.
 
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    """
 
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    model = Blogpost
 
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    anonymous = AnonymousBlogpostHandler
 
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    fields = ('title', 'content', ('author', ('username',)), 
 
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              'created_on', 'content_length')
 
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    def read(self, title=None):
 
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        """
 
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        Returns a blogpost, if `title` is given,
 
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        otherwise all the posts.
 
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        Parameters:
 
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         - `title`: The title of the post to retrieve.
 
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        """
 
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        base = Blogpost.objects
 
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        if title:
 
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            return base.get(title=title)
 
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        else:
 
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            return base.all()
 
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    def content_length(self, blogpost):
 
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        return len(blogpost.content)
 
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    @require_extended
 
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    def create(self, request):
 
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        """
 
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        Creates a new blogpost.
 
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        """
 
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        attrs = self.flatten_dict(request.POST)
 
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        if self.exists(**attrs):
 
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            return rc.DUPLICATE_ENTRY
 
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        else:
 
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            post = Blogpost(title=attrs['title'], 
 
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                            content=attrs['content'],
 
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                            author=request.user)
 
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            post.save()
 
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            return post
 
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    @classmethod
 
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    def resource_uri(self):
 
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        return ('blogposts', [ 'format', ])
 
 
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