code: def get_online_symbol_data(database_id):
      
      import pymysql
      import pymysql.cursors
      cfg = get_database_configuration()
      mysql = cfg['mysql_online']
      connection = pymysql.connect(host=mysql['host'],
                                   user=mysql['user'],
                                   passwd=mysql['passwd'],
                                   db=mysql['db'],
                                   cursorclass=pymysql.cursors.DictCursor)
      cursor = connection.cursor()
      sql = ("SELECT `id`, `formula_in_latex`, `unicode_dec`, `font`, "
             "`font_style` FROM  `wm_formula` WHERE  `id` =%i") % database_id
      cursor.execute(sql)
      datasets = cursor.fetchall()
      if len(datasets) == 1:
          return datasets[0]
      else:
          return None
docs: Get from the server.