def gethtml(url):
  if globs.html:
    out("Recycling HTML.")
    return globs.html
  else:
    out("Doing first HTML fetch for row.")
    path = urlparse.urlparse(url).path
    ext = os.path.splitext(path)[1]
    if ext not in globs.texttypes:
      try:
        defend = requests.head(url)
      except:
        return None
      if 'Content-Type' in defend.headers:
        ct = defend.headers['Content-Type']
      else:
        return None
      if ct != '' and 'text' not in ct:
        return None
    try:
      globs.hobj = requests.get(url, timeout=(5, 10))
    except:
      return None
    globs.html = globs.hobj.text
  return globs.html
Return HTML text from given URL. Makes attempt to recycle pre-fetched
dataset/ETHPy150Open miklevin/pipulate/common.py/gethtml