saving bokeh plots and display on dash

[GSav90]

First of all, thanks a lot for this awesome library. It is really a game changer.

I'm interested in saving the bokeh plot generated and display it on my dash app for different runs. So, I have couple of questions:

How can I save the bokeh plot and load it in my dash app?
I know the "backtest" object created has backtest.plot() object. How do I call this object from dash? Can you please guide a bit. I have never used bokeh and looking at the documents, I couldn't find anything concrete.
I see we have an option to create a file. Is it possible to load the html file or extract json from it?

[kernc]

When in doubt, just look in the source. Backtest.plot() returns a Bokeh Figure object:

backtesting.py/backtesting/_plotting.py

Lines 659 to 668 in 94d20da

	fig = gridplot(
	plots,
	ncols=1,
	toolbar_location='right',
	toolbar_options=dict(logo=None),
	merge_tools=True,
	**kwargs
	)
	show(fig, browser=None if open_browser else 'none')
	return fig

which you can then load as HTML or maybe as an image. Best look to Dash documentation/community for how to do that?

[GSav90]

I can save the object as image/html, however loading bokeh plot in dash is something which I'm unable to find the answer to.

[kernc]

I think this is something better asked on a Dash forum.

[GSav90]

Right. I'll post it there. Will add my answer here if I find it.

[zaferyumruk]

As you may know, dash is natively used with plotly. There are workarounds for what you ask but none of them seems perfect.

If you insist on bokeh (as I do) I highly recommend you to consider switching panel or streamlit or write another plot function that uses plotly.