commit

docs/ccxt/examples/ccxt.pro/py/binance-reload-markets.py

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+import ccxt.pro
+from asyncio import run, gather
+
+
+print('CCXT Pro version', ccxt.pro.__version__)
+
+
+async def watch_order_book(exchange, symbol):
+    while True:
+        try:
+            orderbook = await exchange.watch_order_book(symbol)
+            datetime = exchange.iso8601(exchange.milliseconds())
+            print(datetime, orderbook['nonce'], symbol, orderbook['asks'][0], orderbook['bids'][0])
+        except Exception as e:
+            print(type(e).__name__, str(e))
+            break
+
+
+async def reload_markets(exchange, delay):
+    while True:
+        try:
+            await exchange.sleep(delay)
+            markets = await exchange.load_markets(True)
+            datetime = exchange.iso8601(exchange.milliseconds())
+            print(datetime, 'Markets reloaded')
+        except Exception as e:
+            print(type(e).__name__, str(e))
+            break
+
+
+async def main():
+    exchange = ccxt.pro.binance()
+    await exchange.load_markets()
+    # exchange.verbose = True
+    symbol = 'BTC/USDT'
+    delay = 60000  # every minute = 60 seconds = 60000 milliseconds
+    loops = [watch_order_book(exchange, symbol), reload_markets(exchange, delay)]
+    await gather(*loops)
+    await exchange.close()
+
+
+run(main())