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Move check for position for StaticPairList to init

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This commit is contained in:
hroff-1902 2020-05-29 12:40:05 +03:00
parent 43225cfdcf
commit a4cf9ba85b
2 changed files with 19 additions and 12 deletions
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15
freqtrade/pairlist/StaticPairList.py
View File

@ -4,7 +4,7 @@ Static Pair List provider
Provides pair white list as it configured in config Provides pair white list as it configured in config
""" """
import logging import logging
from typing import Dict, List from typing import Any, Dict, List
from freqtrade.exceptions import OperationalException from freqtrade.exceptions import OperationalException
from freqtrade.pairlist.IPairList import IPairList from freqtrade.pairlist.IPairList import IPairList
@ -15,6 +15,15 @@ logger = logging.getLogger(__name__)
class StaticPairList(IPairList): class StaticPairList(IPairList):
def __init__(self, exchange, pairlistmanager,
config: Dict[str, Any], pairlistconfig: Dict[str, Any],
pairlist_pos: int) -> None:
super().__init__(exchange, pairlistmanager, config, pairlistconfig, pairlist_pos)
if self._pairlist_pos != 0:
raise OperationalException(f"{self.name} can only be used in the first position "
"in the list of Pairlist Handlers.")
@property @property
def needstickers(self) -> bool: def needstickers(self) -> bool:
""" """
@ -48,8 +57,4 @@ class StaticPairList(IPairList):
:param tickers: Tickers (from exchange.get_tickers()). May be cached. :param tickers: Tickers (from exchange.get_tickers()). May be cached.
:return: new whitelist :return: new whitelist
""" """
if self._pairlist_pos != 0:
raise OperationalException(f"{self.name} can only be used in the first position "
"in the list of Pairlist Handlers.")
else:
return pairlist return pairlist

14
tests/pairlist/test_pairlist.py
View File

@ -313,8 +313,15 @@ def test_VolumePairList_whitelist_gen(mocker, whitelist_conf, shitcoinmarkets, t
whitelist_conf['stake_currency'] = base_currency whitelist_conf['stake_currency'] = base_currency
mocker.patch('freqtrade.exchange.Exchange.exchange_has', MagicMock(return_value=True)) mocker.patch('freqtrade.exchange.Exchange.exchange_has', MagicMock(return_value=True))
freqtrade = get_patched_freqtradebot(mocker, whitelist_conf)
if whitelist_result == 'static_in_the_middle':
with pytest.raises(OperationalException,
match=r"StaticPairList can only be used in the first position "
r"in the list of Pairlist Handlers."):
freqtrade = get_patched_freqtradebot(mocker, whitelist_conf)
return
freqtrade = get_patched_freqtradebot(mocker, whitelist_conf)
mocker.patch.multiple('freqtrade.exchange.Exchange', mocker.patch.multiple('freqtrade.exchange.Exchange',
get_tickers=tickers, get_tickers=tickers,
markets=PropertyMock(return_value=shitcoinmarkets), markets=PropertyMock(return_value=shitcoinmarkets),
@ -326,11 +333,6 @@ def test_VolumePairList_whitelist_gen(mocker, whitelist_conf, shitcoinmarkets, t
match=r"This Pairlist Handler should not be used at the first position " match=r"This Pairlist Handler should not be used at the first position "
r"in the list of Pairlist Handlers."): r"in the list of Pairlist Handlers."):
freqtrade.pairlists.refresh_pairlist() freqtrade.pairlists.refresh_pairlist()
elif whitelist_result == 'static_in_the_middle':
with pytest.raises(OperationalException,
match=r"StaticPairList can only be used in the first position "
r"in the list of Pairlist Handlers."):
freqtrade.pairlists.refresh_pairlist()
else: else:
freqtrade.pairlists.refresh_pairlist() freqtrade.pairlists.refresh_pairlist()
whitelist = freqtrade.pairlists.whitelist whitelist = freqtrade.pairlists.whitelist