Kucoin Rate Limit

# -*- coding: utf-8 -*-

import os
import sys


import ccxt  # noqa: E402


print('CCXT Version:', ccxt.__version__)


exchange = ccxt.kucoin()
markets = exchange.load_markets()
i = 0
while True:
   try:
       symbol = 'BTC/USDT'
       timeframe = '5m'
       since = None
       limit = 1000
       ohlcvs = exchange.fetch_ohlcv(symbol, timeframe, since, limit)
       now = exchange.milliseconds()
       datetime = exchange.iso8601(now)
       print(datetime, i, 'fetched', len(ohlcvs), symbol, timeframe, 'candles',
           'from', exchange.iso8601(ohlcvs[0][0]),
           'to', exchange.iso8601(ohlcvs[len(ohlcvs)-1][0]))
   except ccxt.RateLimitExceeded as e:
       now = exchange.milliseconds()
       datetime = exchange.iso8601(now)
       print(datetime, i, type(e).__name__, str(e))
       exchange.sleep(10000)
   except Exception as e:
       print(type(e).__name__, str(e))
       raise e
   i += 1