old_contents: import re
  
  from util import hook, http
  
  
  @hook.command('wa')
  @hook.command
  def wolframalpha(inp):
      ".wa/.wolframalpha <query> -- scrapes Wolfram Alpha's" \
              "results for <query>"
  
      url = "http://www.wolframalpha.com/input/?asynchronous=false"
  
      h = http.get_html(url, i=inp)
  
      pods = h.xpath("//div[@class='pod ']")
  
      pod_texts = []
      for pod in pods:
          heading = pod.find('h2')
          if heading is not None:
              heading = heading.text_content().strip()
              if heading.startswith('Input'):
                  continue
          else:
              continue
  
          results = []
          for image in pod.xpath('div/div[@class="output"]/img'):
              alt = image.attrib['alt'].strip()
              alt = alt.replace('\\n', '; ')
              alt = re.sub(r'\s+', ' ', alt)
              if alt:
                  results.append(alt)
          if results:
              pod_texts.append(heading + ' ' + '|'.join(results))
  
      ret = '. '.join(pod_texts)
  
      if not pod_texts:
          return 'no results'
  
      ret = re.sub(r'\\(.)', r'\1', ret)
  
      def unicode_sub(match):
          return unichr(int(match.group(1), 16))
  
      ret = re.sub(r'\\:([0-9a-z]{4})', unicode_sub, ret)
  
      if len(ret) > 430:
          ret = ret[:ret.rfind(' ', 0, 430)]
          ret = re.sub(r'\W+$', '', ret) + '...'
  
      if not ret:
          return 'no result'
  
      return ret
  
new_contents: import re
  
  from util import hook, http
  
  
  @hook.command('wa')
  @hook.command
  def wolframalpha(inp):
      ".wa/.wolframalpha <query> -- scrapes Wolfram Alpha's" \
              "results for <query>"
  
      url = "http://www.wolframalpha.com/input/?asynchronous=false"
  
      h = http.get_html(url, i=inp)
  
      pods = h.xpath("//div[@class='pod ']")
  
      pod_texts = []
      for pod in pods:
          heading = pod.find('h2')
          if heading is not None:
              heading = heading.text_content().strip()
              if heading.startswith('Input'):
                  continue
          else:
              continue
  
          results = []
          for alt in pod.xpath('div/div[@class="output pnt"]/img/@alt'):
              alt = alt.strip().replace('\\n', '; ')
              alt = re.sub(r'\s+', ' ', alt)
              if alt:
                  results.append(alt)
          if results:
              pod_texts.append(heading + ' ' + '|'.join(results))
  
      ret = '. '.join(pod_texts)
  
      if not pod_texts:
          return 'no results'
  
      ret = re.sub(r'\\(.)', r'\1', ret)
  
      def unicode_sub(match):
          return unichr(int(match.group(1), 16))
  
      ret = re.sub(r'\\:([0-9a-z]{4})', unicode_sub, ret)
  
      if len(ret) > 430:
          ret = ret[:ret.rfind(' ', 0, 430)]
          ret = re.sub(r'\W+$', '', ret) + '...'
  
      if not ret:
          return 'no result'
  
      return ret
  
subject: fix wolframalpha scraping