stable/freqtrade/commands/list_commands.py

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import csv
import logging
import sys
from typing import Any, Dict, List
import rapidjson
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from colorama import Fore, Style
from colorama import init as colorama_init
from tabulate import tabulate
from freqtrade.configuration import setup_utils_configuration
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from freqtrade.enums import RunMode
from freqtrade.exceptions import OperationalException
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from freqtrade.exchange import market_is_active, validate_exchanges
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from freqtrade.misc import parse_db_uri_for_logging, plural
from freqtrade.resolvers import ExchangeResolver, StrategyResolver
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logger = logging.getLogger(__name__)
def start_list_exchanges(args: Dict[str, Any]) -> None:
"""
Print available exchanges
:param args: Cli args from Arguments()
:return: None
"""
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exchanges = validate_exchanges(args['list_exchanges_all'])
if args['print_one_column']:
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print('\n'.join([e[0] for e in exchanges]))
else:
if args['list_exchanges_all']:
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print("All exchanges supported by the ccxt library:")
else:
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print("Exchanges available for Freqtrade:")
exchanges = [e for e in exchanges if e[1] is not False]
print(tabulate(exchanges, headers=['Exchange name', 'Valid', 'reason']))
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def _print_objs_tabular(objs: List, print_colorized: bool) -> None:
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if print_colorized:
colorama_init(autoreset=True)
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red = Fore.RED
yellow = Fore.YELLOW
reset = Style.RESET_ALL
else:
red = ''
yellow = ''
reset = ''
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names = [s['name'] for s in objs]
objs_to_print = [{
'name': s['name'] if s['name'] else "--",
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'location': s['location_rel'],
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'status': (red + "LOAD FAILED" + reset if s['class'] is None
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else "OK" if names.count(s['name']) == 1
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else yellow + "DUPLICATE NAME" + reset)
} for s in objs]
for idx, s in enumerate(objs):
if 'hyperoptable' in s:
objs_to_print[idx].update({
'hyperoptable': "Yes" if s['hyperoptable']['count'] > 0 else "No",
'buy-Params': len(s['hyperoptable'].get('buy', [])),
'sell-Params': len(s['hyperoptable'].get('sell', [])),
})
print(tabulate(objs_to_print, headers='keys', tablefmt='psql', stralign='right'))
def start_list_strategies(args: Dict[str, Any]) -> None:
"""
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Print files with Strategy custom classes available in the directory
"""
config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
strategy_objs = StrategyResolver.search_all_objects(
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config, not args['print_one_column'], config.get('recursive_strategy_search', False))
# Sort alphabetically
strategy_objs = sorted(strategy_objs, key=lambda x: x['name'])
for obj in strategy_objs:
if obj['class']:
obj['hyperoptable'] = obj['class'].detect_all_parameters()
else:
obj['hyperoptable'] = {'count': 0}
if args['print_one_column']:
print('\n'.join([s['name'] for s in strategy_objs]))
else:
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_print_objs_tabular(strategy_objs, config.get('print_colorized', False))
def start_list_timeframes(args: Dict[str, Any]) -> None:
"""
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Print timeframes available on Exchange
"""
config = setup_utils_configuration(args, RunMode.UTIL_EXCHANGE)
# Do not use timeframe set in the config
config['timeframe'] = None
# Init exchange
exchange = ExchangeResolver.load_exchange(config['exchange']['name'], config, validate=False)
if args['print_one_column']:
print('\n'.join(exchange.timeframes))
else:
print(f"Timeframes available for the exchange `{exchange.name}`: "
f"{', '.join(exchange.timeframes)}")
def start_list_markets(args: Dict[str, Any], pairs_only: bool = False) -> None:
"""
Print pairs/markets on the exchange
:param args: Cli args from Arguments()
:param pairs_only: if True print only pairs, otherwise print all instruments (markets)
:return: None
"""
config = setup_utils_configuration(args, RunMode.UTIL_EXCHANGE)
# Init exchange
exchange = ExchangeResolver.load_exchange(config['exchange']['name'], config, validate=False)
# By default only active pairs/markets are to be shown
active_only = not args.get('list_pairs_all', False)
base_currencies = args.get('base_currencies', [])
quote_currencies = args.get('quote_currencies', [])
try:
pairs = exchange.get_markets(base_currencies=base_currencies,
quote_currencies=quote_currencies,
tradable_only=pairs_only,
active_only=active_only)
# Sort the pairs/markets by symbol
pairs = dict(sorted(pairs.items()))
except Exception as e:
raise OperationalException(f"Cannot get markets. Reason: {e}") from e
else:
summary_str = ((f"Exchange {exchange.name} has {len(pairs)} ") +
("active " if active_only else "") +
(plural(len(pairs), "pair" if pairs_only else "market")) +
(f" with {', '.join(base_currencies)} as base "
f"{plural(len(base_currencies), 'currency', 'currencies')}"
if base_currencies else "") +
(" and" if base_currencies and quote_currencies else "") +
(f" with {', '.join(quote_currencies)} as quote "
f"{plural(len(quote_currencies), 'currency', 'currencies')}"
if quote_currencies else ""))
headers = ["Id", "Symbol", "Base", "Quote", "Active",
"Spot", "Margin", "Future", "Leverage"]
tabular_data = [{
'Id': v['id'],
'Symbol': v['symbol'],
'Base': v['base'],
'Quote': v['quote'],
'Active': market_is_active(v),
'Spot': 'Spot' if exchange.market_is_spot(v) else '',
'Margin': 'Margin' if exchange.market_is_margin(v) else '',
'Future': 'Future' if exchange.market_is_future(v) else '',
'Leverage': exchange.get_max_leverage(v['symbol'], 20)
} for _, v in pairs.items()]
if (args.get('print_one_column', False) or
args.get('list_pairs_print_json', False) or
args.get('print_csv', False)):
# Print summary string in the log in case of machine-readable
# regular formats.
logger.info(f"{summary_str}.")
else:
# Print empty string separating leading logs and output in case of
# human-readable formats.
print()
if pairs:
if args.get('print_list', False):
# print data as a list, with human-readable summary
print(f"{summary_str}: {', '.join(pairs.keys())}.")
elif args.get('print_one_column', False):
print('\n'.join(pairs.keys()))
elif args.get('list_pairs_print_json', False):
print(rapidjson.dumps(list(pairs.keys()), default=str))
elif args.get('print_csv', False):
writer = csv.DictWriter(sys.stdout, fieldnames=headers)
writer.writeheader()
writer.writerows(tabular_data)
else:
# print data as a table, with the human-readable summary
print(f"{summary_str}:")
print(tabulate(tabular_data, headers='keys', tablefmt='psql', stralign='right'))
elif not (args.get('print_one_column', False) or
args.get('list_pairs_print_json', False) or
args.get('print_csv', False)):
print(f"{summary_str}.")
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def start_show_trades(args: Dict[str, Any]) -> None:
"""
Show trades
"""
import json
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from freqtrade.persistence import Trade, init_db
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config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
if 'db_url' not in config:
raise OperationalException("--db-url is required for this command.")
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logger.info(f'Using DB: "{parse_db_uri_for_logging(config["db_url"])}"')
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init_db(config['db_url'])
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tfilter = []
if config.get('trade_ids'):
tfilter.append(Trade.id.in_(config['trade_ids']))
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trades = Trade.get_trades(tfilter).all()
logger.info(f"Printing {len(trades)} Trades: ")
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if config.get('print_json', False):
print(json.dumps([trade.to_json() for trade in trades], indent=4))
else:
for trade in trades:
print(trade)