Keep in misc file only tool functions
This commit is contained in:
Gerald Lonlas
parent
89e3729955
commit
e025dc0dba
@ -1,30 +1,26 @@
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import argparse
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import enum
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"""
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Various tool function for Freqtrade and scripts
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"""
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import re
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import json
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import logging
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import time
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import os
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import re
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from datetime import datetime
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from typing import Any, Callable, Dict, List
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import numpy as np
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from jsonschema import Draft4Validator, validate
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from jsonschema.exceptions import ValidationError, best_match
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from wrapt import synchronized
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from freqtrade import __version__
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logger = logging.getLogger(__name__)
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class State(enum.Enum):
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RUNNING = 0
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STOPPED = 1
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# Current application state
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_STATE = State.STOPPED
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def shorten_date(_date):
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"""
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Trim the date so it fits on small screens
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"""
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new_date = re.sub('seconds?', 'sec', _date)
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new_date = re.sub('minutes?', 'min', new_date)
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new_date = re.sub('hours?', 'h', new_date)
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new_date = re.sub('days?', 'd', new_date)
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new_date = re.sub('^an?', '1', new_date)
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return new_date
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############################################
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@ -32,7 +28,6 @@ _STATE = State.STOPPED
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# Matplotlib doesn't support ::datetime64, #
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# so we need to convert it into ::datetime #
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############################################
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def datesarray_to_datetimearray(dates):
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"""
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Convert an pandas-array of timestamps into
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@ -41,13 +36,18 @@ def datesarray_to_datetimearray(dates):
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"""
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times = []
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dates = dates.astype(datetime)
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for i in range(0, dates.size):
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date = dates[i].to_pydatetime()
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for index in range(0, dates.size):
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date = dates[index].to_pydatetime()
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times.append(date)
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return np.array(times)
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def common_datearray(dfs):
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"""
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Return dates from Dataframe
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:param dfs: Dataframe
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:return: List of dates
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"""
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alldates = {}
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for pair, pair_data in dfs.items():
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dates = datesarray_to_datetimearray(pair_data['date'])
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@ -61,375 +61,11 @@ def common_datearray(dfs):
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def file_dump_json(filename, data) -> None:
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with open(filename, 'w') as fp:
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json.dump(data, fp)
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@synchronized
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def update_state(state: State) -> None:
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"""
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Updates the application state
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:param state: new state
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:return: None
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"""
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global _STATE
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_STATE = state
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@synchronized
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def get_state() -> State:
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"""
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Gets the current application state
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Dump JSON data into a file
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:param filename: file to create
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:param data: JSON Data to save
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:return:
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"""
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return _STATE
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def load_config(path: str) -> Dict:
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"""
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Loads a config file from the given path
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:param path: path as str
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:return: configuration as dictionary
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"""
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with open(path) as file:
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conf = json.load(file)
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if 'internals' not in conf:
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conf['internals'] = {}
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logger.info('Validating configuration ...')
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try:
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validate(conf, CONF_SCHEMA)
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return conf
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except ValidationError as exception:
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logger.fatal('Invalid configuration. See config.json.example. Reason: %s', exception)
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raise ValidationError(
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best_match(Draft4Validator(CONF_SCHEMA).iter_errors(conf)).message
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)
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def throttle(func: Callable[..., Any], min_secs: float, *args, **kwargs) -> Any:
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"""
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Throttles the given callable that it
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takes at least `min_secs` to finish execution.
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:param func: Any callable
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:param min_secs: minimum execution time in seconds
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:return: Any
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"""
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start = time.time()
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result = func(*args, **kwargs)
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end = time.time()
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duration = max(min_secs - (end - start), 0.0)
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logger.debug('Throttling %s for %.2f seconds', func.__name__, duration)
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time.sleep(duration)
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return result
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def common_args_parser(description: str):
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"""
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Parses given common arguments and returns them as a parsed object.
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"""
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parser = argparse.ArgumentParser(
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description=description
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)
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parser.add_argument(
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'-v', '--verbose',
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help='be verbose',
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action='store_const',
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dest='loglevel',
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const=logging.DEBUG,
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default=logging.INFO,
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)
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parser.add_argument(
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'--version',
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action='version',
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version='%(prog)s {}'.format(__version__),
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)
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parser.add_argument(
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'-c', '--config',
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help='specify configuration file (default: config.json)',
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dest='config',
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default='config.json',
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type=str,
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metavar='PATH',
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)
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parser.add_argument(
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'--datadir',
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help='path to backtest data (default freqdata/tests/testdata)',
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dest='datadir',
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default=os.path.join('freqtrade', 'tests', 'testdata'),
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type=str,
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metavar='PATH',
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)
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parser.add_argument(
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'-s', '--strategy',
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help='specify strategy file (default: freqtrade/strategy/default_strategy.py)',
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dest='strategy',
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default='default_strategy',
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type=str,
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metavar='PATH',
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)
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return parser
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def parse_args(args: List[str], description: str):
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"""
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Parses given arguments and returns an argparse Namespace instance.
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Returns None if a sub command has been selected and executed.
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"""
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parser = common_args_parser(description)
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parser.add_argument(
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'--dry-run-db',
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help='Force dry run to use a local DB "tradesv3.dry_run.sqlite" \
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instead of memory DB. Work only if dry_run is enabled.',
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action='store_true',
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dest='dry_run_db',
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)
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parser.add_argument(
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'--dynamic-whitelist',
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help='dynamically generate and update whitelist \
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based on 24h BaseVolume (Default 20 currencies)', # noqa
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dest='dynamic_whitelist',
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const=20,
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type=int,
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metavar='INT',
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nargs='?',
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)
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build_subcommands(parser)
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return parser.parse_args(args)
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def scripts_options(parser: argparse.ArgumentParser) -> None:
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parser.add_argument(
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'-p', '--pair',
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help='Show profits for only this pairs. Pairs are comma-separated.',
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dest='pair',
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default=None
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)
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def backtesting_options(parser: argparse.ArgumentParser) -> None:
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parser.add_argument(
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'-l', '--live',
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action='store_true',
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dest='live',
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help='using live data',
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)
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parser.add_argument(
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'-i', '--ticker-interval',
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help='specify ticker interval in minutes (1, 5, 30, 60, 1440)',
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dest='ticker_interval',
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type=int,
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metavar='INT',
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)
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parser.add_argument(
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'--realistic-simulation',
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help='uses max_open_trades from config to simulate real world limitations',
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action='store_true',
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dest='realistic_simulation',
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)
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parser.add_argument(
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'-r', '--refresh-pairs-cached',
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help='refresh the pairs files in tests/testdata with the latest data from Bittrex. \
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Use it if you want to run your backtesting with up-to-date data.',
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action='store_true',
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dest='refresh_pairs',
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)
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parser.add_argument(
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'--export',
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help='Export backtest results, argument are: trades\
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Example --export=trades',
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type=str,
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default=None,
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dest='export',
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)
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parser.add_argument(
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'--timerange',
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help='Specify what timerange of data to use.',
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default=None,
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type=str,
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dest='timerange',
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)
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def hyperopt_options(parser: argparse.ArgumentParser) -> None:
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parser.add_argument(
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'-e', '--epochs',
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help='specify number of epochs (default: 100)',
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dest='epochs',
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default=100,
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type=int,
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metavar='INT',
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)
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parser.add_argument(
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'--use-mongodb',
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help='parallelize evaluations with mongodb (requires mongod in PATH)',
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dest='mongodb',
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action='store_true',
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)
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parser.add_argument(
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'-i', '--ticker-interval',
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help='specify ticker interval in minutes (1, 5, 30, 60, 1440)',
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dest='ticker_interval',
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type=int,
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metavar='INT',
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)
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parser.add_argument(
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'--timerange',
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help='Specify what timerange of data to use.',
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default=None,
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type=str,
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dest='timerange',
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)
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def parse_timerange(text):
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if text is None:
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return None
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syntax = [(r'^-(\d{8})$', (None, 'date')),
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(r'^(\d{8})-$', ('date', None)),
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(r'^(\d{8})-(\d{8})$', ('date', 'date')),
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(r'^(-\d+)$', (None, 'line')),
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(r'^(\d+)-$', ('line', None)),
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(r'^(\d+)-(\d+)$', ('index', 'index'))]
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for rex, stype in syntax:
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# Apply the regular expression to text
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match = re.match(rex, text)
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if match: # Regex has matched
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rvals = match.groups()
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index = 0
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start = None
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stop = None
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if stype[0]:
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start = rvals[index]
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if stype[0] != 'date':
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start = int(start)
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index += 1
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if stype[1]:
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stop = rvals[index]
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if stype[1] != 'date':
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stop = int(stop)
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return (stype, start, stop)
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raise Exception('Incorrect syntax for timerange "%s"' % text)
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def build_subcommands(parser: argparse.ArgumentParser) -> None:
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""" Builds and attaches all subcommands """
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from freqtrade.optimize import backtesting, hyperopt
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subparsers = parser.add_subparsers(dest='subparser')
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# Add backtesting subcommand
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backtesting_cmd = subparsers.add_parser('backtesting', help='backtesting module')
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backtesting_cmd.set_defaults(func=backtesting.start)
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backtesting_options(backtesting_cmd)
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# Add hyperopt subcommand
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hyperopt_cmd = subparsers.add_parser('hyperopt', help='hyperopt module')
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hyperopt_cmd.set_defaults(func=hyperopt.start)
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hyperopt_options(hyperopt_cmd)
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# Required json-schema for user specified config
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CONF_SCHEMA = {
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'type': 'object',
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'properties': {
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'max_open_trades': {'type': 'integer', 'minimum': 1},
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'ticker_interval': {'type': 'integer', 'enum': [1, 5, 30, 60, 1440]},
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'stake_currency': {'type': 'string', 'enum': ['BTC', 'ETH', 'USDT']},
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'stake_amount': {'type': 'number', 'minimum': 0.0005},
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'fiat_display_currency': {'type': 'string', 'enum': ['AUD', 'BRL', 'CAD', 'CHF',
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'CLP', 'CNY', 'CZK', 'DKK',
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'EUR', 'GBP', 'HKD', 'HUF',
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'IDR', 'ILS', 'INR', 'JPY',
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'KRW', 'MXN', 'MYR', 'NOK',
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'NZD', 'PHP', 'PKR', 'PLN',
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'RUB', 'SEK', 'SGD', 'THB',
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'TRY', 'TWD', 'ZAR', 'USD']},
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'dry_run': {'type': 'boolean'},
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'minimal_roi': {
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'type': 'object',
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'patternProperties': {
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'^[0-9.]+$': {'type': 'number'}
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},
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'minProperties': 1
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},
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'stoploss': {'type': 'number', 'maximum': 0, 'exclusiveMaximum': True},
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'unfilledtimeout': {'type': 'integer', 'minimum': 0},
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'bid_strategy': {
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'type': 'object',
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'properties': {
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'ask_last_balance': {
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'type': 'number',
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'minimum': 0,
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'maximum': 1,
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'exclusiveMaximum': False
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},
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},
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'required': ['ask_last_balance']
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},
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'exchange': {'$ref': '#/definitions/exchange'},
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'experimental': {
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'type': 'object',
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'properties': {
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'use_sell_signal': {'type': 'boolean'},
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'sell_profit_only': {'type': 'boolean'}
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}
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},
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'telegram': {
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'type': 'object',
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'properties': {
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'enabled': {'type': 'boolean'},
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'token': {'type': 'string'},
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'chat_id': {'type': 'string'},
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},
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'required': ['enabled', 'token', 'chat_id']
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},
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'initial_state': {'type': 'string', 'enum': ['running', 'stopped']},
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'internals': {
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'type': 'object',
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'properties': {
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'process_throttle_secs': {'type': 'number'},
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'interval': {'type': 'integer'}
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}
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}
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},
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'definitions': {
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'exchange': {
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'type': 'object',
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'properties': {
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'name': {'type': 'string'},
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'key': {'type': 'string'},
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'secret': {'type': 'string'},
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'pair_whitelist': {
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'type': 'array',
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'items': {
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'type': 'string',
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'pattern': '^[0-9A-Z]+_[0-9A-Z]+$'
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},
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'uniqueItems': True
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},
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'pair_blacklist': {
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'type': 'array',
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'items': {
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'type': 'string',
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'pattern': '^[0-9A-Z]+_[0-9A-Z]+$'
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},
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'uniqueItems': True
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}
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},
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'required': ['name', 'key', 'secret', 'pair_whitelist']
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}
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},
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'anyOf': [
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{'required': ['exchange']}
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],
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'required': [
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'max_open_trades',
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'stake_currency',
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'stake_amount',
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'fiat_display_currency',
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'dry_run',
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'bid_strategy',
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'telegram'
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]
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}
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with open(filename, 'w') as file:
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json.dump(data, file)
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@ -1,188 +1,31 @@
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# pragma pylint: disable=missing-docstring,C0103
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import argparse
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import json
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import time
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from copy import deepcopy
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from unittest.mock import MagicMock
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"""
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Unit test file for misc.py
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"""
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import datetime
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import pytest
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from jsonschema import ValidationError
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from freqtrade.analyze import parse_ticker_dataframe
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from freqtrade.misc import (common_args_parser, file_dump_json, load_config,
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parse_args, parse_timerange, throttle, datesarray_to_datetimearray)
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from unittest.mock import MagicMock
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from freqtrade.analyze import Analyze
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from freqtrade.misc import (shorten_date, datesarray_to_datetimearray, file_dump_json)
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def test_throttle():
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def func():
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return 42
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start = time.time()
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result = throttle(func, min_secs=0.1)
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end = time.time()
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assert result == 42
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assert end - start > 0.1
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result = throttle(func, min_secs=-1)
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assert result == 42
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def test_throttle_with_assets():
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def func(nb_assets=-1):
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return nb_assets
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result = throttle(func, min_secs=0.1, nb_assets=666)
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assert result == 666
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result = throttle(func, min_secs=0.1)
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assert result == -1
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# Parse common command-line-arguments. Used for all tools
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def test_parse_args_none():
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args = common_args_parser('')
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assert isinstance(args, argparse.ArgumentParser)
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def test_parse_args_defaults():
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args = parse_args([], '')
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assert args.config == 'config.json'
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assert args.dynamic_whitelist is None
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assert args.loglevel == 20
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|
||||
|
||||
def test_parse_args_config():
|
||||
args = parse_args(['-c', '/dev/null'], '')
|
||||
assert args.config == '/dev/null'
|
||||
|
||||
args = parse_args(['--config', '/dev/null'], '')
|
||||
assert args.config == '/dev/null'
|
||||
|
||||
|
||||
def test_parse_args_verbose():
|
||||
args = parse_args(['-v'], '')
|
||||
assert args.loglevel == 10
|
||||
|
||||
args = parse_args(['--verbose'], '')
|
||||
assert args.loglevel == 10
|
||||
|
||||
|
||||
def test_parse_args_version():
|
||||
with pytest.raises(SystemExit, match=r'0'):
|
||||
parse_args(['--version'], '')
|
||||
|
||||
|
||||
def test_parse_args_invalid():
|
||||
with pytest.raises(SystemExit, match=r'2'):
|
||||
parse_args(['-c'], '')
|
||||
|
||||
|
||||
# Parse command-line-arguments
|
||||
# used for main, backtesting and hyperopt
|
||||
|
||||
|
||||
def test_parse_args_dynamic_whitelist():
|
||||
args = parse_args(['--dynamic-whitelist'], '')
|
||||
assert args.dynamic_whitelist == 20
|
||||
|
||||
|
||||
def test_parse_args_dynamic_whitelist_10():
|
||||
args = parse_args(['--dynamic-whitelist', '10'], '')
|
||||
assert args.dynamic_whitelist == 10
|
||||
|
||||
|
||||
def test_parse_args_dynamic_whitelist_invalid_values():
|
||||
with pytest.raises(SystemExit, match=r'2'):
|
||||
parse_args(['--dynamic-whitelist', 'abc'], '')
|
||||
|
||||
|
||||
def test_parse_args_backtesting_invalid():
|
||||
with pytest.raises(SystemExit, match=r'2'):
|
||||
parse_args(['backtesting --ticker-interval'], '')
|
||||
|
||||
with pytest.raises(SystemExit, match=r'2'):
|
||||
parse_args(['backtesting --ticker-interval', 'abc'], '')
|
||||
|
||||
|
||||
def test_parse_args_backtesting_custom():
|
||||
args = [
|
||||
'-c', 'test_conf.json',
|
||||
'backtesting',
|
||||
'--live',
|
||||
'--ticker-interval', '1',
|
||||
'--refresh-pairs-cached']
|
||||
call_args = parse_args(args, '')
|
||||
assert call_args.config == 'test_conf.json'
|
||||
assert call_args.live is True
|
||||
assert call_args.loglevel == 20
|
||||
assert call_args.subparser == 'backtesting'
|
||||
assert call_args.func is not None
|
||||
assert call_args.ticker_interval == 1
|
||||
assert call_args.refresh_pairs is True
|
||||
|
||||
|
||||
def test_parse_args_hyperopt_custom():
|
||||
args = ['-c', 'test_conf.json', 'hyperopt', '--epochs', '20']
|
||||
call_args = parse_args(args, '')
|
||||
assert call_args.config == 'test_conf.json'
|
||||
assert call_args.epochs == 20
|
||||
assert call_args.loglevel == 20
|
||||
assert call_args.subparser == 'hyperopt'
|
||||
assert call_args.func is not None
|
||||
|
||||
|
||||
def test_file_dump_json(mocker):
|
||||
file_open = mocker.patch('freqtrade.misc.open', MagicMock())
|
||||
json_dump = mocker.patch('json.dump', MagicMock())
|
||||
file_dump_json('somefile', [1, 2, 3])
|
||||
assert file_open.call_count == 1
|
||||
assert json_dump.call_count == 1
|
||||
|
||||
|
||||
def test_parse_timerange_incorrect():
|
||||
assert ((None, 'line'), None, -200) == parse_timerange('-200')
|
||||
assert (('line', None), 200, None) == parse_timerange('200-')
|
||||
with pytest.raises(Exception, match=r'Incorrect syntax.*'):
|
||||
parse_timerange('-')
|
||||
|
||||
|
||||
def test_load_config(default_conf, mocker):
|
||||
file_mock = mocker.patch('freqtrade.misc.open', mocker.mock_open(
|
||||
read_data=json.dumps(default_conf)
|
||||
))
|
||||
validated_conf = load_config('somefile')
|
||||
assert file_mock.call_count == 1
|
||||
assert validated_conf.items() >= default_conf.items()
|
||||
|
||||
|
||||
def test_load_config_invalid_pair(default_conf, mocker):
|
||||
conf = deepcopy(default_conf)
|
||||
conf['exchange']['pair_whitelist'].append('BTC-ETH')
|
||||
mocker.patch(
|
||||
'freqtrade.misc.open',
|
||||
mocker.mock_open(
|
||||
read_data=json.dumps(conf)))
|
||||
with pytest.raises(ValidationError, match=r'.*does not match.*'):
|
||||
load_config('somefile')
|
||||
|
||||
|
||||
def test_load_config_missing_attributes(default_conf, mocker):
|
||||
conf = deepcopy(default_conf)
|
||||
conf.pop('exchange')
|
||||
mocker.patch(
|
||||
'freqtrade.misc.open',
|
||||
mocker.mock_open(
|
||||
read_data=json.dumps(conf)))
|
||||
with pytest.raises(ValidationError, match=r'.*\'exchange\' is a required property.*'):
|
||||
load_config('somefile')
|
||||
def test_shorten_date() -> None:
|
||||
"""
|
||||
Test shorten_date() function
|
||||
:return: None
|
||||
"""
|
||||
str_data = '1 day, 2 hours, 3 minutes, 4 seconds ago'
|
||||
str_shorten_data = '1 d, 2 h, 3 min, 4 sec ago'
|
||||
assert shorten_date(str_data) == str_shorten_data
|
||||
|
||||
|
||||
def test_datesarray_to_datetimearray(ticker_history):
|
||||
dataframes = parse_ticker_dataframe(ticker_history)
|
||||
"""
|
||||
Test datesarray_to_datetimearray() function
|
||||
:return: None
|
||||
"""
|
||||
dataframes = Analyze.parse_ticker_dataframe(ticker_history)
|
||||
dates = datesarray_to_datetimearray(dataframes['date'])
|
||||
|
||||
assert isinstance(dates[0], datetime.datetime)
|
||||
@ -194,3 +37,15 @@ def test_datesarray_to_datetimearray(ticker_history):
|
||||
|
||||
date_len = len(dates)
|
||||
assert date_len == 3
|
||||
|
||||
|
||||
def test_file_dump_json(mocker):
|
||||
"""
|
||||
Test file_dump_json()
|
||||
:return: None
|
||||
"""
|
||||
file_open = mocker.patch('freqtrade.misc.open', MagicMock())
|
||||
json_dump = mocker.patch('json.dump', MagicMock())
|
||||
file_dump_json('somefile', [1, 2, 3])
|
||||
assert file_open.call_count == 1
|
||||
assert json_dump.call_count == 1
|
||||
|
||||
Loading…
Reference in New Issue
Block a user