old_contents: #
  # This file is part of gpodder.net.
  #
  # my.gpodder.org is free software: you can redistribute it and/or modify it
  # under the terms of the GNU Affero General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or (at your
  # option) any later version.
  #
  # my.gpodder.org is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  # License for more details.
  #
  # You should have received a copy of the GNU Affero General Public License
  # along with my.gpodder.org. If not, see <http://www.gnu.org/licenses/>.
  #
  
  
  import re
  import urllib
  
  from django.conf import settings
  
  from mygpo.core.json import json
  
  
  def get_photo_sizes(photo_id):
      api_key = settings.FLICKR_API_KEY
      request = 'https://api.flickr.com/services/rest/?method=flickr.photos.getSizes&api_key=%s&photo_id=%s&format=json' % (api_key, photo_id)
  
      resp = urllib.urlopen(request).read()
  
      extract_re = '^jsonFlickrApi\((.*)\)$'
      m = re.match(extract_re, resp)
      if not m:
          return []
  
      resp_obj = json.loads(m.group(1))
  
      try:
          return resp_obj['sizes']['size']
      except KeyError:
          return []
  
  
  def get_photo_id(url):
      photo_id_re = 'http://.*flickr.com/[^/]+/([^_]+)_.*'
      return re.match(photo_id_re, url).group(1)
  
  
  def is_flickr_image(url):
      if url is None:
          return False
      return re.search('flickr\.com.*\.(jpg|jpeg|png|gif)', url)
  
  def get_display_photo(url, label='Medium'):
      photo_id = get_photo_id(url)
      sizes = get_photo_sizes(photo_id)
      for s in sizes:
          if s['label'] == label:
              return s['source']
  
      return url
  
new_contents: #
  # This file is part of gpodder.net.
  #
  # my.gpodder.org is free software: you can redistribute it and/or modify it
  # under the terms of the GNU Affero General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or (at your
  # option) any later version.
  #
  # my.gpodder.org is distributed in the hope that it will be useful, but
  # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
  # License for more details.
  #
  # You should have received a copy of the GNU Affero General Public License
  # along with my.gpodder.org. If not, see <http://www.gnu.org/licenses/>.
  #
  
  
  import re
  import urllib
  
  from django.conf import settings
  
  from mygpo.core.json import json
  
  
  def get_photo_sizes(photo_id):
      api_key = settings.FLICKR_API_KEY
      request = 'https://api.flickr.com/services/rest/?method=flickr.photos.getSizes&api_key=%s&photo_id=%s&format=json' % (api_key, photo_id)
  
      resp = urllib.urlopen(request).read()
  
      extract_re = '^jsonFlickrApi\((.*)\)$'
      m = re.match(extract_re, resp)
      if not m:
          return []
  
      resp_obj = json.loads(m.group(1))
  
      try:
          return resp_obj['sizes']['size']
      except KeyError:
          return []
  
  
  def get_photo_id(url):
      photo_id_re = 'http://.*flickr.com/[^/]+/([^_]+)_.*'
      match = re.match(photo_id_re, url)
      if match:
          return match.group(1)
  
  
  def is_flickr_image(url):
      if url is None:
          return False
      return re.search('flickr\.com.*\.(jpg|jpeg|png|gif)', url)
  
  def get_display_photo(url, label='Medium'):
      photo_id = get_photo_id(url)
      sizes = get_photo_sizes(photo_id)
      for s in sizes:
          if s['label'] == label:
              return s['source']
  
      return url
  
subject: check no match in Flickr regex