gistfile1.py

# -*- coding: utf-8 -*-
#!/usr/bin/env python
#
# Copyright 2007 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from google.appengine.ext import webapp
from google.appengine.ext.webapp import util

from google.appengine.api import urlfetch
from google.appengine.ext.webapp import template

from django.utils import feedgenerator

import feedparser

class FeedHandler(webapp.RequestHandler):
    def get(self):
        # ソースフィードの取得
        target_url = self.request.get('url')
        res = urlfetch.fetch(target_url, deadline=20)

        # ソースフィードの解析
        d = feedparser.parse(res.content)

        # フィルタ済みフィードの作成
        f = feedgenerator.Rss201rev2Feed(
            title=d.feed.title,
            link=d.feed.link,
            description=d.feed.description,
            language=u"en")
        for entry in d.entries:
            if entry.title.startswith("PR"):
                continue
            if entry.title.startswith("AD"):
                continue
            if entry.title.find(u"のツッコミ") != -1:
                continue
            if entry.title.find(u"のツイート") != -1:
                continue
            if entry.title.find(u"Today’s つぶやき") != -1:
                continue
            if entry.title == u"[diary] 日記":
                continue
            if entry.title == u"[twitter] summary":
                continue

            f.add_item(title=entry.title,
                link=entry.link,
                description=entry.description)

        # フィードを出力
        self.response.out.write(f.writeString('utf8'))

def main():
    application = webapp.WSGIApplication([('/feed/', FeedHandler)],
                                         debug=True)
    util.run_wsgi_app(application)


if __name__ == '__main__':
    main()