stable/freqtrade/tests/testdata/download_backtest_data.py

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#!/usr/bin/env python3
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"""This script generate json data from bittrex"""
import json
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import sys
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from freqtrade import exchange
from freqtrade import misc
from freqtrade.exchange import ccxt
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parser = misc.common_args_parser('download utility')
parser.add_argument(
'-p', '--pair',
help='JSON file containing pairs to download',
dest='pair',
default=None
)
args = parser.parse_args(sys.argv[1:])
TICKER_INTERVALS = [1, 5] # ticker interval in minutes (currently implemented: 1 and 5)
PAIRS = []
if args.pair:
with open(args.pair) as file:
PAIRS = json.load(file)
PAIRS = list(set(PAIRS))
print('About to download pairs:', PAIRS)
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# Init Bittrex exchange
exchange._API = ccxt.bittrex({'key': '', 'secret': ''})
for pair in PAIRS:
for tick_interval in TICKER_INTERVALS:
print('downloading pair %s, interval %s' % (pair, tick_interval))
data = exchange.get_ticker_history(pair, tick_interval)
pair_print = pair.replace('/', '_')
filename = '{}-{}.json'.format(pair_print, tick_interval)
misc.file_dump_json(filename, data)