It seems that my problem is quite simple. But I’m got stucked at the embedding icon into Button.
From documentation I’m figured out that Button model has an icon property with some Nullable(Instance(AbstractIcon)) type.
But I really can’t understand that I should set to this Icon property (URL, file-path or something else) ?
All my tries ends with same errors like:
expected either None or a value of type Instance(AbstractIcon), got ...
My icons are stored on local, but also must be downloaded from URL.
Unfortunately I don’t find any examples at docs, support and stackoverflow. But I am realizing that answer is very very simple.
There’s not currently any built-in icon for support for buttons at this time. The icon property was a minimal concession added to support some users who wanted to proceed with a custom extension use-case. It’s more work, but you can refer to a complete custom extension example here:
bokeh/examples/custom/font-awesome at branch-2.4 · bokeh/bokeh · GitHub
bokeh/examples/custom/font-awesome at branch-3.0 · bokeh/bokeh · GitHub
You’ll need to refer to a branch appropriate for your installed bokeh version.
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