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Improve validate_exchange

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returns now both required and optional dependencies
This commit is contained in:
Matthias 2024-02-18 11:21:34 +01:00
parent a029d1f08e
commit 3250f42257
2 changed files with 15 additions and 5 deletions
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1
freqtrade/exchange/common.py
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@ -86,6 +86,7 @@ EXCHANGE_HAS_OPTIONAL = [
# 'fetchPositions', # Futures trading
# 'fetchLeverageTiers', # Futures initialization
# 'fetchMarketLeverageTiers', # Futures initialization
# 'fetchOpenOrder', 'fetchClosedOrder', # replacement for fetchOrder
# 'fetchOpenOrders', 'fetchClosedOrders', # 'fetchOrders', # Refinding balance...
]

19
freqtrade/exchange/exchange_utils.py
View File

@ -40,21 +40,30 @@ def available_exchanges(ccxt_module: Optional[CcxtModuleType] = None) -> List[st
def validate_exchange(exchange: str) -> Tuple[bool, str]:
"""
returns: can_use, reason
with Reason including both missing and missing_opt
"""
ex_mod = getattr(ccxt, exchange.lower())()
result = True
reason = ''
if not ex_mod or not ex_mod.has:
return False, ''
missing = [k for k in EXCHANGE_HAS_REQUIRED if ex_mod.has.get(k) is not True]
if missing:
return False, f"missing: {', '.join(missing)}"
result = False
reason += f"missing: {', '.join(missing)}"
missing_opt = [k for k in EXCHANGE_HAS_OPTIONAL if not ex_mod.has.get(k)]
if exchange.lower() in BAD_EXCHANGES:
return False, BAD_EXCHANGES.get(exchange.lower(), '')
if missing_opt:
return True, f"missing opt: {', '.join(missing_opt)}"
result = False
reason = BAD_EXCHANGES.get(exchange.lower(), '')
return True, ''
if missing_opt:
reason += f"{'. ' if reason else ''}missing opt: {', '.join(missing_opt)}. "
return result, reason
def _build_exchange_list_entry(