app/soc/logic/validate.py
author Pawel Solyga <Pawel.Solyga@gmail.com>
Mon, 13 Oct 2008 22:22:16 +0000
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permissions -rw-r--r--
Rename soc/logic/models/settings.py to model site_settings.py and apply import name change to soc/views/site/home.py Patch by: Pawel Solyga Review by: to-be-reviewed
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#!/usr/bin/python2.5
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#
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# Copyright 2008 the Melange authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#   http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Common validation helper functions.
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"""
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__authors__ = [
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  '"Pawel Solyga" <pawel.solyga@gmail.com>',
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  ]
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import re
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from google.appengine.api import urlfetch
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from soc.logic import path_link_name
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import feedparser
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def isFeedURLValid(feed_url=None):
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  """Returns True if provided url is valid ATOM or RSS.
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  Args:
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    feed_url: ATOM or RSS feed url
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  """
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  if feed_url:
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    result = urlfetch.fetch(feed_url)
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    if result.status_code == 200:
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      parsed_feed = feedparser.parse(result.content)
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      if parsed_feed.version and (parsed_feed.version != ''):
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        return True
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  return False
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def isLinkNameFormatValid(link_name):
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  """Returns True if link_name is in a valid format.
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  Args:
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    link_name: link name used in URLs for identification
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  """
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  if path_link_name.LINKNAME_REGEX.match(link_name):
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    return True
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  return False