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refactor: extract "has" checking logic to separate function

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Matthias
2026-01-02 09:57:22 +01:00
parent 9cdd8659ec
commit 6c164683b7
1 changed files with 16 additions and 6 deletions
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22
freqtrade/exchange/exchange_utils.py
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@@ -53,6 +53,21 @@ def available_exchanges(ccxt_module: CcxtModuleType | None = None) -> list[str]:
return [x for x in exchanges if validate_exchange(x)[0]]
def _exchange_has_helper(ex_mod: ccxt.Exchange, required: dict[str, list[str]]) -> list[str]:
"""
Checks availability of methods (or their replacement)s in ex_mod.has
:param ex_mod: ccxt Exchange module
:param required: dict of required methods, with possible replacement methods as list
:return: list of missing required methods
"""
return [
k
for k, v in required.items()
if ex_mod.has.get(k) is not True
and (len(v) == 0 or not (all(ex_mod.has.get(x) for x in v)))
]
def validate_exchange(exchange: str) -> tuple[bool, str, ccxt.Exchange | None]:
"""
returns: can_use, reason, exchange_object
@@ -68,12 +83,7 @@ def validate_exchange(exchange: str) -> tuple[bool, str, ccxt.Exchange | None]:
result = True
reason = ""
missing = [
k
for k, v in EXCHANGE_HAS_REQUIRED.items()
if ex_mod.has.get(k) is not True
and (len(v) == 0 or not (all(ex_mod.has.get(x) for x in v)))
]
missing = _exchange_has_helper(ex_mod, EXCHANGE_HAS_REQUIRED)
if missing:
result = False
reason += f"missing: {', '.join(missing)}"