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problem when GenericCSVData uses fromdate,todate but no data in date range
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Hi,
next () method seems to crash in a scenario when loading a data using GenericCSVData and there is no valid data in the csv file for the requested date range specified in fromdate,todate .
in this case, the ticker is loaded with empty lines (since there is no OHLC data for the date range), and generates the below output:File "autotrader.py", line 80, in run cerebro.run(runonce=False) File "Python35\lib\site-packages\backtrader\cerebro.py", line 1127, in run runstrat = self.runstrategies(iterstrat) File "Python35\lib\site-packages\backtrader\cerebro.py", line 1295, in runstrategies self._runnext(runstrats) File "Python35\lib\site-packages\backtrader\cerebro.py", line 1619, in _runnext self._brokernotify() File "Python35\lib\site-packages\backtrader\cerebro.py", line 1357, in _brokernotify self._broker.next() File "Python35\lib\site-packages\backtrader\brokers\bbroker.py", line 1230, in next self._get_value() # update value File "Python35\lib\site-packages\backtrader\brokers\bbroker.py", line 446, in _get_value dvalue = comminfo.getvaluesize(position.size, data.close[0]) File "Python35\lib\site-packages\backtrader\linebuffer.py", line 163, in __getitem__ return self.array[self.idx + ago] IndexError: array index out of range
Any advise ?
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@trade-prophet said in problem when GenericCSVData uses fromdate,todate but no data in date range:
Any advise ?
Yes. Use sensible data.