def _set_exchange(self, exchange: str = None) -> Exchange:
if self.cli_args["exchange"] is not None:
exchange = Exchange(self.cli_args["exchange"])
if isinstance(exchange, str):
exchange = Exchange(exchange)
if not exchange:
if (Exchange.COINBASEPRO.value or "api_pass") in self.config:
exchange = Exchange.COINBASEPRO
elif Exchange.BINANCE.value in self.config:
exchange = Exchange.BINANCE
elif Exchange.KUCOIN.value in self.config:
exchange = Exchange.KUCOIN
else:
exchange = Exchange.DUMMY
return exchange
from models.Trading import TechnicalAnalysis
from models.exchange.binance import PublicAPI as BPublicAPI
from models.exchange.coinbase_pro import PublicAPI as CPublicAPI
from models.exchange.kucoin import PublicAPI as KPublicAPI
from models.exchange.Granularity import Granularity
from models.exchange.ExchangesEnum import Exchange
GRANULARITY = Granularity(Granularity.ONE_HOUR)
try:
with open("scanner.json", encoding='utf8') as json_file:
config = json.load(json_file)
except IOError as err:
print(err)
for exchange in config:
ex = Exchange(exchange)
app = PyCryptoBot(exchange=ex)
for quote in config[ex.value]["quote_currency"]:
if ex == Exchange.BINANCE:
api = BPublicAPI()
elif ex == Exchange.COINBASEPRO:
api = CPublicAPI()
elif ex == Exchange.KUCOIN:
api = KPublicAPI()
else:
raise ValueError(f"Invalid exchange: {ex}")
markets = []
resp = api.getMarkets24HrStats()
if ex == Exchange.BINANCE:
for row in resp:
def test_exception_thrown_when_invalid_value():
with pytest.raises(ValueError) as exc_info:
Exchange("xxx")
assert exc_info.type is ValueError
assert exc_info.value.args[0] == "'xxx' is not a valid Exchange"
def test_converting_string_to_enum():
assert Exchange("binance") == Exchange.BINANCE
assert Exchange("coinbasepro") == Exchange.COINBASEPRO
assert Exchange("kucoin") == Exchange.KUCOIN