code: def mkdir(self, href):
          
          for iTry in range(TRYINGS):
              logger.info(u("mkdir(%s): %s") % (iTry, href))
              try:
                  href = remote(href)
                  con = self.getConnection()
                  con.request("MKCOL", _encode_utf8(href), "", self.getHeaders())
                  response = con.getresponse()
                  checkResponse(response)
                  return response.read()
              except ConnectionException:
                  raise
              except Exception:
                  e = sys.exc_info()[1]
                  logger.exception(e)
docs: create remote folder
          :param href: remote path
          :return: response