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strategy:irr fix drawing defer close IO issue

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This commit is contained in:
austin362667 2022-10-04 18:47:14 +08:00
parent 3c52e9e145
commit 600b17460d
1 changed files with 6 additions and 6 deletions
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12
pkg/strategy/irr/draw.go
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@ -37,21 +37,21 @@ func (s *Strategy) InitDrawCommands(profit, cumProfit types.Series) {
func (s *Strategy) Draw(profit, cumProfit types.Series) error {
canvas := DrawPNL(s.InstanceID(), profit)
f, err := os.Create(s.GraphPNLPath)
fPnL, err := os.Create(s.GraphPNLPath)
if err != nil {
return fmt.Errorf("cannot create on path " + s.GraphPNLPath)
}
defer f.Close()
if err = canvas.Render(chart.PNG, f); err != nil {
defer fPnL.Close()
if err = canvas.Render(chart.PNG, fPnL); err != nil {
return fmt.Errorf("cannot render pnl")
}
canvas = DrawCumPNL(s.InstanceID(), cumProfit)
f, err = os.Create(s.GraphCumPNLPath)
fCumPnL, err := os.Create(s.GraphCumPNLPath)
if err != nil {
return fmt.Errorf("cannot create on path " + s.GraphCumPNLPath)
}
defer f.Close()
if err = canvas.Render(chart.PNG, f); err != nil {
defer fCumPnL.Close()
if err = canvas.Render(chart.PNG, fCumPnL); err != nil {
return fmt.Errorf("cannot render cumpnl")
}