stable/freqtrade/resolvers/pairlist_resolver.py
2020-09-28 19:40:46 +02:00

45 lines
1.7 KiB
Python

# pragma pylint: disable=attribute-defined-outside-init
"""
This module load custom pairlists
"""
import logging
from pathlib import Path
from freqtrade.pairlist.IPairList import IPairList
from freqtrade.resolvers import IResolver
logger = logging.getLogger(__name__)
class PairListResolver(IResolver):
"""
This class contains all the logic to load custom PairList class
"""
object_type = IPairList
object_type_str = "Pairlist"
user_subdir = None
initial_search_path = Path(__file__).parent.parent.joinpath('pairlist').resolve()
@staticmethod
def load_pairlist(pairlist_name: str, exchange, pairlistmanager,
config: dict, pairlistconfig: dict, pairlist_pos: int) -> IPairList:
"""
Load the pairlist with pairlist_name
:param pairlist_name: Classname of the pairlist
:param exchange: Initialized exchange class
:param pairlistmanager: Initialized pairlist manager
:param config: configuration dictionary
:param pairlistconfig: Configuration dedicated to this pairlist
:param pairlist_pos: Position of the pairlist in the list of pairlists
:return: initialized Pairlist class
"""
return PairListResolver.load_object(pairlist_name, config,
kwargs={'exchange': exchange,
'pairlistmanager': pairlistmanager,
'config': config,
'pairlistconfig': pairlistconfig,
'pairlist_pos': pairlist_pos},
)