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Reduce some mutable default argument usage

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This commit is contained in:
Matthias
2024-04-20 09:17:25 +02:00
parent 8004829696
commit 31f6030c67
1 changed files with 13 additions and 8 deletions
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21
freqtrade/exchange/exchange.py
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@@ -239,8 +239,8 @@ class Exchange:
self.validate_pricing(config['exit_pricing'])
self.validate_pricing(config['entry_pricing'])
def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt,
ccxt_kwargs: Dict = {}) -> ccxt.Exchange:
def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt, *,
ccxt_kwargs: Dict) -> ccxt.Exchange:
"""
Initialize ccxt with given config and return valid
ccxt instance.
@@ -348,10 +348,13 @@ class Exchange:
return int(self._ft_has.get('ohlcv_candle_limit_per_timeframe', {}).get(
timeframe, self._ft_has.get('ohlcv_candle_limit')))
def get_markets(self, base_currencies: List[str] = [], quote_currencies: List[str] = [],
spot_only: bool = False, margin_only: bool = False, futures_only: bool = False,
tradable_only: bool = True,
active_only: bool = False) -> Dict[str, Any]:
def get_markets(
self,
base_currencies: Optional[List[str]] = None,
quote_currencies: Optional[List[str]] = None,
spot_only: bool = False, margin_only: bool = False, futures_only: bool = False,
tradable_only: bool = True,
active_only: bool = False) -> Dict[str, Any]:
"""
Return exchange ccxt markets, filtered out by base currency and quote currency
if this was requested in parameters.
@@ -848,7 +851,7 @@ class Exchange:
# Dry-run methods
def create_dry_run_order(self, pair: str, ordertype: str, side: str, amount: float,
rate: float, leverage: float, params: Dict = {},
rate: float, leverage: float, params: Optional[Dict] = None,
stop_loss: bool = False) -> Dict[str, Any]:
now = dt_now()
order_id = f'dry_run_{side}_{pair}_{now.timestamp()}'
@@ -2786,7 +2789,7 @@ class Exchange:
@retrier
def set_margin_mode(self, pair: str, margin_mode: MarginMode, accept_fail: bool = False,
params: dict = {}):
params: Optional[Dict] = None):
"""
Set's the margin mode on the exchange to cross or isolated for a specific pair
:param pair: base/quote currency pair (e.g. "ADA/USDT")
@@ -2795,6 +2798,8 @@ class Exchange:
# Some exchanges only support one margin_mode type
return
if params is None:
params = {}
try:
res = self._api.set_margin_mode(margin_mode.value, pair, params)
self._log_exchange_response('set_margin_mode', res)