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handle empty markets from ccxt

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This commit is contained in:
hroff-1902 2019-07-03 12:50:27 +03:00
parent d2f0bf6ef6
commit be70c4f959
2 changed files with 14 additions and 8 deletions
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2
freqtrade/exchange/exchange.py
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@ -208,6 +208,7 @@ class Exchange(object):
if this was requested in parameters. if this was requested in parameters.
""" """
markets = self.markets markets = self.markets
if markets is not None:
if base_currency: if base_currency:
markets = {k: v for k, v in markets.items() if v['base'] == base_currency} markets = {k: v for k, v in markets.items() if v['base'] == base_currency}
if quote_currency: if quote_currency:
@ -216,6 +217,7 @@ class Exchange(object):
markets = {k: v for k, v in markets.items() if symbol_is_pair(v['symbol'])} markets = {k: v for k, v in markets.items() if symbol_is_pair(v['symbol'])}
if active_only: if active_only:
markets = {k: v for k, v in markets.items() if v['active']} markets = {k: v for k, v in markets.items() if v['active']}
return markets return markets
def klines(self, pair_interval: Tuple[str, str], copy=True) -> DataFrame: def klines(self, pair_interval: Tuple[str, str], copy=True) -> DataFrame:

4
freqtrade/utils.py
View File

@ -2,6 +2,7 @@ import logging
from argparse import Namespace from argparse import Namespace
from typing import Any, Dict from typing import Any, Dict
from freqtrade import OperationalException
from freqtrade.configuration import Configuration from freqtrade.configuration import Configuration
from freqtrade.exchange import available_exchanges, Exchange from freqtrade.exchange import available_exchanges, Exchange
from freqtrade.misc import plural from freqtrade.misc import plural
@ -67,6 +68,9 @@ def start_list_pairs(args: Namespace, pairs_only: bool = False) -> None:
pairs_only=pairs_only, pairs_only=pairs_only,
active_only=args.active_only) active_only=args.active_only)
if pairs is None:
raise OperationalException(f"No markets info available for exchange \"{exchange.name}\"")
if args.print_list: if args.print_list:
# print data as a list # print data as a list
print(f"Exchange {exchange.name} has {len(pairs)} " + print(f"Exchange {exchange.name} has {len(pairs)} " +