adding extra day before dtcmp calc, as otherwise the extradays have no effect (mementum#388)

houen · web-flow · commit d034151367e9 · 2020-05-28T05:01:34.000+02:00
diff --git a/backtrader/analyzer.py b/backtrader/analyzer.py
@@ -434,11 +434,13 @@ def _get_subday_cmpkey(self, dt):
             seconds=self.timeframe == TimeFrame.Seconds,
             microseconds=self.timeframe == TimeFrame.MicroSeconds)
 
+        # Add extra day if present
+        if extradays:
+            dt += datetime.timedelta(days=extradays)
+
         # Replace intraday parts with the calculated ones and update it
         dtcmp = dt.replace(hour=ph, minute=pm, second=ps, microsecond=pus)
         dtcmp -= tadjust
-        if extradays:
-            dt += datetime.timedelta(days=extradays)
         dtkey = dtcmp
 
         return dtcmp, dtkey
