code: def log_source(self, loglevel='INFO'):
          
          ll = loglevel.upper()
          if ll == 'NONE':
              return ''
          else:
              if  "run_keyword_and_ignore_error" not in [check_error_ignored[3] for check_error_ignored in inspect.stack()]:
                  source = self._current_application().page_source
                  self._log(source, ll)
                  return source
              else:
                  return ''
docs: Logs and returns the entire html source of the current page or frame.
  
          The `loglevel` argument defines the used log level. Valid log levels are
          `WARN`, `INFO` (default), `DEBUG`, `TRACE` and `NONE` (no logging).