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Avoid recalculating statistics for comparison line

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This commit is contained in:
Matthias 2022-01-05 19:21:24 +01:00
parent 8373a4e713
commit 6abd6bceb9
1 changed files with 12 additions and 19 deletions
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31
freqtrade/optimize/optimize_reports.py
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@ -1,4 +1,5 @@
import logging
from copy import deepcopy
from datetime import datetime, timedelta, timezone
from pathlib import Path
from typing import Any, Dict, List, Union
@ -194,29 +195,21 @@ def generate_sell_reason_stats(max_open_trades: int, results: DataFrame) -> List
return tabular_data
def generate_strategy_comparison(all_results: Dict) -> List[Dict]:
def generate_strategy_comparison(bt_stats: Dict) -> List[Dict]:
"""
Generate summary per strategy
:param all_results: Dict of <Strategyname: DataFrame> containing results for all strategies
:param result: Dict of <Strategyname: DataFrame> containing results for all strategies
:return: List of Dicts containing the metrics per Strategy
"""
tabular_data = []
for strategy, results in all_results.items():
tabular_data.append(_generate_result_line(
results['results'], results['config']['dry_run_wallet'], strategy)
)
try:
max_drawdown_per, _, _, _, _, _ = calculate_max_drawdown(results['results'],
value_col='profit_ratio')
max_drawdown_abs, _, _, _, _, _ = calculate_max_drawdown(results['results'],
value_col='profit_abs')
except ValueError:
max_drawdown_per = 0
max_drawdown_abs = 0
tabular_data[-1]['max_drawdown_per'] = round(max_drawdown_per * 100, 2)
tabular_data[-1]['max_drawdown_abs'] = \
round_coin_value(max_drawdown_abs, results['config']['stake_currency'], False)
for strategy, result in bt_stats.items():
tabular_data.append(deepcopy(result['results_per_pair'][-1]))
# Update "key" to strategy (results_per_pair has it as "Total").
tabular_data[-1]['key'] = strategy
tabular_data[-1]['max_drawdown_account'] = result['max_drawdown_account']
tabular_data[-1]['max_drawdown_abs'] = round_coin_value(
result['max_drawdown_abs'], result['stake_currency'], False)
return tabular_data
@ -524,7 +517,7 @@ def generate_backtest_stats(btdata: Dict[str, DataFrame],
min_date, max_date, market_change=market_change)
result['strategy'][strategy] = strat_stats
strategy_results = generate_strategy_comparison(all_results=all_results)
strategy_results = generate_strategy_comparison(bt_stats=result['strategy'])
result['strategy_comparison'] = strategy_results
@ -649,7 +642,7 @@ def text_table_strategy(strategy_results, stake_currency: str) -> str:
headers.append('Drawdown')
# Align drawdown string on the center two space separator.
drawdown = [f'{t["max_drawdown_per"]:.2f}' for t in strategy_results]
drawdown = [f'{t["max_drawdown_account"] * 100:.2f}' for t in strategy_results]
dd_pad_abs = max([len(t['max_drawdown_abs']) for t in strategy_results])
dd_pad_per = max([len(dd) for dd in drawdown])
drawdown = [f'{t["max_drawdown_abs"]:>{dd_pad_abs}} {stake_currency} {dd:>{dd_pad_per}}%'