Fix if no file exists

This commit is contained in:
Fredrik81 2020-03-14 22:15:03 +01:00
parent 5d1b1573b7
commit 27faf12fde
5 changed files with 31 additions and 8 deletions

View File

@ -59,7 +59,7 @@ ARGS_DOWNLOAD_DATA = ["pairs", "pairs_file", "days", "download_trades", "exchang
ARGS_PLOT_DATAFRAME = ["pairs", "indicators1", "indicators2", "plot_limit",
"db_url", "trade_source", "export", "exportfilename",
"timerange", "ticker_interval"]
"timerange", "ticker_interval", "skip_trades"]
ARGS_PLOT_PROFIT = ["pairs", "timerange", "export", "exportfilename", "db_url",
"trade_source", "ticker_interval"]

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@ -413,6 +413,11 @@ AVAILABLE_CLI_OPTIONS = {
metavar='INT',
default=750,
),
"skip_trades": Arg(
'--skip-trades',
help='Skip using trades file from backtesting and DB.',
action='store_true',
),
"trade_source": Arg(
'--trade-source',
help='Specify the source for trades (Can be DB or file (backtest file)) '

View File

@ -111,7 +111,7 @@ def load_trades_from_db(db_url: str) -> pd.DataFrame:
t.calc_profit(), t.calc_profit_ratio(),
t.open_rate, t.close_rate, t.amount,
(round((t.close_date.timestamp() - t.open_date.timestamp()) / 60, 2)
if t.close_date else None),
if t.close_date else None),
t.sell_reason,
t.fee_open, t.fee_close,
t.open_rate_requested,
@ -129,12 +129,16 @@ def load_trades_from_db(db_url: str) -> pd.DataFrame:
return trades
def load_trades(source: str, db_url: str, exportfilename: str) -> pd.DataFrame:
def load_trades(source: str, db_url: str, exportfilename: str, skip_trades: bool) -> pd.DataFrame:
"""
Based on configuration option "trade_source":
* loads data from DB (using `db_url`)
* loads data from backtestfile (using `exportfilename`)
"""
if skip_trades:
df = pd.DataFrame(columns=BT_DATA_COLUMNS)
return df
if source == "DB":
return load_trades_from_db(db_url)
elif source == "file":

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@ -3,6 +3,7 @@ from pathlib import Path
from typing import Any, Dict, List
import pandas as pd
from os.path import isfile
from freqtrade.configuration import TimeRange
from freqtrade.data.btanalysis import (calculate_max_drawdown,
@ -48,11 +49,21 @@ def init_plotscript(config):
data_format=config.get('dataformat_ohlcv', 'json'),
)
trades = load_trades(config['trade_source'],
db_url=config.get('db_url'),
exportfilename=config.get('exportfilename'),
)
skip_trades = False
if not isfile(config.get('exportfilename')) and config['trade_source'] == 'file':
logger.info("Backtest file is missing skipping trades.")
skip_trades = True
elif config.get('skip_trades', False):
skip_trades = True
trades = load_trades(
config['trade_source'],
db_url=config.get('db_url'),
exportfilename=config.get('exportfilename'),
skip_trades=skip_trades
)
trades = trim_dataframe(trades, timerange, 'open_time')
return {"ohlcv": data,
"trades": trades,
"pairs": pairs,

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@ -104,6 +104,7 @@ def test_load_trades(default_conf, mocker):
load_trades("DB",
db_url=default_conf.get('db_url'),
exportfilename=default_conf.get('exportfilename'),
skip_trades=False
)
assert db_mock.call_count == 1
@ -114,7 +115,9 @@ def test_load_trades(default_conf, mocker):
default_conf['exportfilename'] = "testfile.json"
load_trades("file",
db_url=default_conf.get('db_url'),
exportfilename=default_conf.get('exportfilename'),)
exportfilename=default_conf.get('exportfilename'),
skip_trades=False
)
assert db_mock.call_count == 0
assert bt_mock.call_count == 1