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Reduce some mutable default argument usage

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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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freqtrade/exchange/exchange.py
+13 -8
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@@ -239,8 +239,8 @@ class Exchange:
self.validate_pricing(config['exit_pricing']) self.validate_pricing(config['exit_pricing'])
self.validate_pricing(config['entry_pricing']) self.validate_pricing(config['entry_pricing'])
def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt, def _init_ccxt(self, exchange_config: Dict[str, Any], ccxt_module: CcxtModuleType = ccxt, *,
ccxt_kwargs: Dict = {}) -> ccxt.Exchange: ccxt_kwargs: Dict) -> ccxt.Exchange:
""" """
Initialize ccxt with given config and return valid Initialize ccxt with given config and return valid
ccxt instance. ccxt instance.
@@ -348,10 +348,13 @@ class Exchange:
return int(self._ft_has.get('ohlcv_candle_limit_per_timeframe', {}).get( return int(self._ft_has.get('ohlcv_candle_limit_per_timeframe', {}).get(
timeframe, self._ft_has.get('ohlcv_candle_limit'))) timeframe, self._ft_has.get('ohlcv_candle_limit')))
def get_markets(self, base_currencies: List[str] = [], quote_currencies: List[str] = [], def get_markets(
spot_only: bool = False, margin_only: bool = False, futures_only: bool = False, self,
tradable_only: bool = True, base_currencies: Optional[List[str]] = None,
active_only: bool = False) -> Dict[str, Any]: 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 Return exchange ccxt markets, filtered out by base currency and quote currency
if this was requested in parameters. if this was requested in parameters.
@@ -848,7 +851,7 @@ class Exchange:
# Dry-run methods # Dry-run methods
def create_dry_run_order(self, pair: str, ordertype: str, side: str, amount: float, 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]: stop_loss: bool = False) -> Dict[str, Any]:
now = dt_now() now = dt_now()
order_id = f'dry_run_{side}_{pair}_{now.timestamp()}' order_id = f'dry_run_{side}_{pair}_{now.timestamp()}'
@@ -2786,7 +2789,7 @@ class Exchange:
@retrier @retrier
def set_margin_mode(self, pair: str, margin_mode: MarginMode, accept_fail: bool = False, 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 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") :param pair: base/quote currency pair (e.g. "ADA/USDT")
@@ -2795,6 +2798,8 @@ class Exchange:
# Some exchanges only support one margin_mode type # Some exchanges only support one margin_mode type
return return
if params is None:
params = {}
try: try:
res = self._api.set_margin_mode(margin_mode.value, pair, params) res = self._api.set_margin_mode(margin_mode.value, pair, params)
self._log_exchange_response('set_margin_mode', res) self._log_exchange_response('set_margin_mode', res)