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docs/ccxt/wiki/examples/py/fetch-all-tickers.md

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+- [Fetch All Tickers](./examples/py/)
+
+
+ ```python
+ # -*- coding: utf-8 -*-
+
+import os
+import sys
+import time
+
+import ccxt  # noqa: E402
+
+
+def print_exchanges():
+    print('Supported exchanges:', ', '.join(ccxt.exchanges))
+
+
+def print_usage():
+    print("Usage: python", sys.argv[0], 'id')
+    print("python", sys.argv[0], 'kraken')
+    print("python", sys.argv[0], 'coinbasepro')
+    print_exchanges()
+
+
+try:
+
+    id = sys.argv[1]  # get exchange id from command line arguments
+
+    # check if the exchange is supported by ccxt
+    exchange_found = id in ccxt.exchanges
+
+    if exchange_found:
+
+        print('Instantiating', id)
+
+        # instantiate the exchange by id
+        exchange = getattr(ccxt, id)()
+
+        if exchange.has['fetchTickers'] != True:
+            raise ccxt.NotSupported ('Exchange ' + exchange.id + ' does not have the endpoint to fetch all tickers from the API.')
+
+        # load all markets from the exchange
+        markets = exchange.load_markets()
+
+        try:
+
+            tickers = exchange.fetch_tickers()
+            for symbol, ticker in tickers.items():
+                print(
+                    symbol,
+                    ticker['datetime'],
+                    'high: ' + str(ticker['high']),
+                    'low: ' + str(ticker['low']),
+                    'bid: ' + str(ticker['bid']),
+                    'ask: ' + str(ticker['ask']),
+                    'volume: ' + str(ticker['quoteVolume'] or ticker['baseVolume'])
+                )
+
+        except ccxt.DDoSProtection as e:
+            print(type(e).__name__, e.args, 'DDoS Protection (ignoring)')
+        except ccxt.RequestTimeout as e:
+            print(type(e).__name__, e.args, 'Request Timeout (ignoring)')
+        except ccxt.ExchangeNotAvailable as e:
+            print(type(e).__name__, e.args, 'Exchange Not Available due to downtime or maintenance (ignoring)')
+        except ccxt.AuthenticationError as e:
+            print(type(e).__name__, e.args, 'Authentication Error (missing API keys, ignoring)')
+    else:
+        print('Exchange', id, 'not found')
+        print_usage()
+
+except Exception as e:
+
+    print(type(e).__name__, e.args, str(e))
+    print_usage()
+ 
+```