commit

docs/ccxt/examples/ccxt.pro/py/watch-custom-exchange-specific-streams.py

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+import asyncio
+import ccxt.pro
+
+
+class MyBinance(ccxt.pro.binance):
+
+    def handle_mini_ticker(self, client, message):
+        market_id = self.safe_string_lower(message, 's')
+        message_hash = market_id + '@miniTicker'
+        client.resolve(message, message_hash)
+
+    def handle_message(self, client, message):
+        handlers = {
+            '24hrMiniTicker': self.handle_mini_ticker,
+            # add other custom handlers here
+        }
+        e = self.safe_string(message, 'e')
+        method = self.safe_value(handlers, e)
+        if method:
+            return method(client, message)
+        else:
+            return super(MyBinance, self).handle_message(client, message)
+
+
+async def main():
+    exchange = MyBinance({
+        'enableRateLimit': False,
+        'options': {
+            'defaultType': 'future'
+        }
+    })
+    await exchange.load_markets()
+    # exchange.verbose = True  # uncomment for debugging purposes
+    market = exchange.market('BTC/USDT')
+    message_hash = market['lowercaseId'] + '@miniTicker'
+    while True:
+        try:
+            print(await exchange.watch_public(message_hash))
+        except Exception as e:
+            print(type(e).__name__, str(e))
+    await exchange.close()
+
+
+if __name__ == '__main__':
+    asyncio.run(main())