commit

docs/ccxt/examples/ccxt.pro/py/one-exchange-different-streams.py

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+import ccxt.pro
+import asyncio
+
+
+async def watch_order_book(exchange, symbol):
+    while True:
+        orderbook = await exchange.watch_order_book(symbol)
+        print(orderbook['datetime'], symbol, orderbook['asks'][0], orderbook['bids'][0])
+
+
+async def watch_trades(exchange, symbol):
+    while True:
+        trades = await exchange.watch_trades(symbol)
+        last = trades[-1]
+        print(last['datetime'], last['price'], last['amount'])
+
+
+async def main():
+    exchange = ccxt.pro.bitstamp()
+    await exchange.load_markets()
+    symbol = 'BTC/USD'
+    while True:
+        try:
+            loops = [
+                watch_order_book(exchange, symbol),
+                watch_trades(exchange, symbol)
+            ]
+            await asyncio.gather(*loops)
+        except Exception as e:
+            print(type(e).__name__, str(e))
+            break
+    await exchange.close()
+
+
+asyncio.run(main())