stable/scripts/get_market_pairs.py
Matthias ed5e76adac
Merge pull request #1755 from hroff-1902/scripts-get_market_pairs
Minor: impoved argument and exception handling in scripts
2019-04-14 10:40:57 +02:00

104 lines
2.3 KiB
Python

"""
This script was adapted from ccxt here:
https://github.com/ccxt/ccxt/blob/master/examples/py/arbitrage-pairs.py
"""
import os
import sys
import traceback
root = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
sys.path.append(root + '/python')
import ccxt # noqa: E402
def style(s, style):
return style + s + '\033[0m'
def green(s):
return style(s, '\033[92m')
def blue(s):
return style(s, '\033[94m')
def yellow(s):
return style(s, '\033[93m')
def red(s):
return style(s, '\033[91m')
def pink(s):
return style(s, '\033[95m')
def bold(s):
return style(s, '\033[1m')
def underline(s):
return style(s, '\033[4m')
def dump(*args):
print(' '.join([str(arg) for arg in args]))
def print_supported_exchanges():
dump('Supported exchanges:', green(', '.join(ccxt.exchanges)))
try:
if len(sys.argv) < 2:
dump("Usage: python " + sys.argv[0], green('id'))
print_supported_exchanges()
sys.exit(1)
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:
dump('Instantiating', green(id), 'exchange')
# instantiate the exchange by id
exchange = getattr(ccxt, id)({
# 'proxy':'https://cors-anywhere.herokuapp.com/',
})
# load all markets from the exchange
markets = exchange.load_markets()
# output a list of all market symbols
dump(green(id), 'has', len(exchange.symbols), 'symbols:', exchange.symbols)
tuples = list(ccxt.Exchange.keysort(markets).items())
# debug
for (k, v) in tuples:
print(v)
# output a table of all markets
dump(pink('{:<15} {:<15} {:<15} {:<15}'.format('id', 'symbol', 'base', 'quote')))
for (k, v) in tuples:
dump('{:<15} {:<15} {:<15} {:<15}'.format(v['id'], v['symbol'], v['base'], v['quote']))
else:
dump('Exchange ' + red(id) + ' not found')
print_supported_exchanges()
except Exception as e:
dump('[' + type(e).__name__ + ']', str(e))
dump(traceback.format_exc())
dump("Usage: python " + sys.argv[0], green('id'))
print_supported_exchanges()
sys.exit(1)