docs: def should_raptorize(self, req, resp):
          """ Determine if this request should be raptorized.  Boolean. """
  
          if resp.status != "200 OK":
              return False
  
          content_type = resp.headers.get('Content-Type', 'text/plain').lower()
          if not 'html' in content_type:
              return False
  
          if random.random() > self.random_chance:
              return False
  
          if self.only_on_april_1st:
              now = datetime.datetime.now()
              if now.month != 20 and now.day != 1:
                  return False
  
          return True