old_contents: import requests
  from parsing import fetch_post_id_and_site_from_url, url_to_shortlink
  import HTMLParser
  
  
  class PostData:
      def __init__(self):
          self.post_id = None
          self.post_url = None
          self.post_type = None
          self.site = None
          self.owner_url = None
          self.owner_name = None
          self.title = None
          self.body = None
  
  
  def api_get_post(post_url):
      d = fetch_post_id_and_site_from_url(post_url)
      if d is None:
          return None
      post_id, site, post_type = d
      if post_type == "answer":
          api_filter = "!1zsjS8Aa91CUeucj0DTmP"
          req_url = "http://api.stackexchange.com/2.2/answers/" + post_id +\
                    "?site=" + site + "&filter=" + api_filter +\
                    "&key=IAkbitmze4B8KpacUfLqkw(("
          resp_json = requests.get(req_url).json()
      else:
          assert post_type == "question"
  
          api_filter = "!5-dwy(WuZ4NTyJamA*kR8slbR(yU(eC-1U_sEK"
          req_url = "http://api.stackexchange.com/2.2/questions/" + post_id +\
              "?site=" + site + "&filter=" + api_filter +\
              "&key=IAkbitmze4B8KpacUfLqkw(("
          resp_json = requests.get(req_url).json()
      if 'items' not in resp_json or len(resp_json['items']) == 0:
          return False
      item = resp_json['items'][0]
      post_data = PostData()
      post_data.post_id = post_id
      post_data.post_url = url_to_shortlink(item['link'])
      post_data.post_type = post_type
      h = HTMLParser.HTMLParser()
      post_data.title = h.unescape(item['title'])
      if 'owner' in item and 'owner' is not None:
          post_data.owner_name = item['owner']['display_name']
          post_data.owner_url = item['owner']['link']
      post_data.site = site
      post_data.body = item['body']
      return post_data
  
new_contents: import requests
  from parsing import fetch_post_id_and_site_from_url, url_to_shortlink
  import HTMLParser
  
  
  class PostData:
      def __init__(self):
          self.post_id = None
          self.post_url = None
          self.post_type = None
          self.site = None
          self.owner_url = None
          self.owner_name = None
          self.title = None
          self.body = None
  
  
  def api_get_post(post_url):
      d = fetch_post_id_and_site_from_url(post_url)
      if d is None:
          return None
      post_id, site, post_type = d
      if post_type == "answer":
          api_filter = "!)Q7pIaQiHdpLxolL4GBob2gX"
          req_url = "http://api.stackexchange.com/2.2/answers/" + post_id +\
                    "?site=" + site + "&filter=" + api_filter +\
                    "&key=IAkbitmze4B8KpacUfLqkw(("
          resp_json = requests.get(req_url).json()
      else:
          assert post_type == "question"
  
          api_filter = "!5-dwy(WuZ4NTyJamA*kR8slbR(yU(eC-1U_sEK"
          req_url = "http://api.stackexchange.com/2.2/questions/" + post_id +\
              "?site=" + site + "&filter=" + api_filter +\
              "&key=IAkbitmze4B8KpacUfLqkw(("
          resp_json = requests.get(req_url).json()
      if 'items' not in resp_json or len(resp_json['items']) == 0:
          return False
      item = resp_json['items'][0]
      post_data = PostData()
      post_data.post_id = post_id
      post_data.post_url = url_to_shortlink(item['link'])
      post_data.post_type = post_type
      h = HTMLParser.HTMLParser()
      post_data.title = h.unescape(item['title'])
      if 'owner' in item and 'owner' is not None:
          post_data.owner_name = item['owner']['display_name']
          post_data.owner_url = item['owner']['link']
      post_data.site = site
      post_data.body = item['body']
      return post_data
  
subject: Fix filter again