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Improve plotting errorhandling

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closes #4327
This commit is contained in:
Matthias 2021-02-08 20:08:32 +01:00
parent 427d762746
commit 7ee149da5d
1 changed files with 11 additions and 9 deletions
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6
freqtrade/plot/plotting.py
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@ -53,7 +53,7 @@ def init_plotscript(config, markets: List, startup_candles: int = 0):
data_format=config.get('dataformat_ohlcv', 'json'), data_format=config.get('dataformat_ohlcv', 'json'),
) )
if startup_candles: if startup_candles and data:
min_date, max_date = get_timerange(data) min_date, max_date = get_timerange(data)
logger.info(f"Loading data from {min_date} to {max_date}") logger.info(f"Loading data from {min_date} to {max_date}")
timerange.adjust_start_if_necessary(timeframe_to_seconds(config.get('timeframe', '5m')), timerange.adjust_start_if_necessary(timeframe_to_seconds(config.get('timeframe', '5m')),
@ -67,7 +67,7 @@ def init_plotscript(config, markets: List, startup_candles: int = 0):
if not filename.is_dir() and not filename.is_file(): if not filename.is_dir() and not filename.is_file():
logger.warning("Backtest file is missing skipping trades.") logger.warning("Backtest file is missing skipping trades.")
no_trades = True no_trades = True
try:
trades = load_trades( trades = load_trades(
config['trade_source'], config['trade_source'],
db_url=config.get('db_url'), db_url=config.get('db_url'),
@ -75,6 +75,8 @@ def init_plotscript(config, markets: List, startup_candles: int = 0):
no_trades=no_trades, no_trades=no_trades,
strategy=config.get('strategy'), strategy=config.get('strategy'),
) )
except ValueError as e:
raise OperationalException(e) from e
trades = trim_dataframe(trades, timerange, 'open_date') trades = trim_dataframe(trades, timerange, 'open_date')
return {"ohlcv": data, return {"ohlcv": data,