84 lines
2.4 KiB
Python
Executable File
84 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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"""This script generate json data"""
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import json
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import sys
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from pathlib import Path
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import arrow
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from freqtrade import arguments
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from freqtrade.arguments import TimeRange
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from freqtrade.exchange import Exchange
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from freqtrade.optimize import download_backtesting_testdata
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DEFAULT_DL_PATH = 'user_data/data'
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arguments = arguments.Arguments(sys.argv[1:], 'download utility')
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arguments.testdata_dl_options()
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args = arguments.parse_args()
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timeframes = args.timeframes
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dl_path = Path(DEFAULT_DL_PATH).joinpath(args.exchange)
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if args.export:
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dl_path = Path(args.export)
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if not dl_path.is_dir():
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sys.exit(f'Directory {dl_path} does not exist.')
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pairs_file = Path(args.pairs_file) if args.pairs_file else dl_path.joinpath('pairs.json')
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if not pairs_file.exists():
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sys.exit(f'No pairs file found with path {pairs_file}.')
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with pairs_file.open() as file:
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PAIRS = list(set(json.load(file)))
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PAIRS.sort()
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timerange = TimeRange()
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if args.days:
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time_since = arrow.utcnow().shift(days=-args.days).strftime("%Y%m%d")
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timerange = arguments.parse_timerange(f'{time_since}-')
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print(f'About to download pairs: {PAIRS} to {dl_path}')
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# Init exchange
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exchange = Exchange({'key': '',
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'secret': '',
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'stake_currency': '',
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'dry_run': True,
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'exchange': {
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'name': args.exchange,
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'pair_whitelist': [],
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'ccxt_rate_limit': False
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}
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})
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pairs_not_available = []
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for pair in PAIRS:
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if pair not in exchange._api.markets:
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pairs_not_available.append(pair)
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print(f"skipping pair {pair}")
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continue
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for tick_interval in timeframes:
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pair_print = pair.replace('/', '_')
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filename = f'{pair_print}-{tick_interval}.json'
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dl_file = dl_path.joinpath(filename)
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if args.erase and dl_file.exists():
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print(f'Deleting existing data for pair {pair}, interval {tick_interval}')
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dl_file.unlink()
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print(f'downloading pair {pair}, interval {tick_interval}')
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download_backtesting_testdata(str(dl_path), exchange=exchange,
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pair=pair,
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tick_interval=tick_interval,
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timerange=timerange)
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if pairs_not_available:
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print(f"Pairs [{','.join(pairs_not_available)}] not availble.")
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