code: def _get_exception_log_path():
          
          app = sys.argv[0].split('/')[-1]
          for exception_log in ['/var/log/%s.errors' % app,
                                '/var/tmp/%s.errors' % app,
                                '/tmp/%s.errors' % app]:
              if os.access(path.dirname(exception_log), os.W_OK):
                  return exception_log
          return None
docs: Return the normalized path for the connection log, raising an
          exception if it can not written to.
  
          :return: str