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RadioButton fires duplicate events on click #159

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axil opened this issue Jun 2, 2022 · 3 comments · May be fixed by #162
Open

RadioButton fires duplicate events on click #159

axil opened this issue Jun 2, 2022 · 3 comments · May be fixed by #162

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@axil
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axil commented Jun 2, 2022 

from jupyter_bokeh import BokehModel
from bokeh.models import RadioGroup

def update(event):
    print(event)

LABELS = ["Option 1", "Option 2", "Option 3"]

radio_group = RadioGroup(labels=LABELS, active=1)
radio_group.on_click(update)

BokehModel(radio_group)

After a click on "Option 3" it displays:

image

I would expect the event to be fired only once (in javascript it fires once).
@bryevdv
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bryevdv commented Jun 2, 2022 •
edited

Does this happen only with BokehModel? If it happens in general, then this issue belongs in the main bokeh/bokeh repo.

@axil
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axil commented Jun 2, 2022 •
edited 

from bokeh.plotting import figure, show, curdoc
from bokeh.models import RadioGroup

def my_radio_handler(new):
    print('Radio button option ' + str(new) + ' selected.')

radio_group = RadioGroup(labels=["Option 1", "Option 2", "Option 3"], active=0)
radio_group.on_click(my_radio_handler)

curdoc().add_root(radio_group)
bokeh serve --show myapp.py

Single call.

@axil axil linked a pull request Jul 7, 2022 that will close this issue
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@axil
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axil commented Jul 7, 2022

It turned out that all widgets are affected by this. I've made a quickfix. Plz have a look, @mattpap, maybe you'll find a better solution.

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fixes duplicate events axil/jupyter_bokeh
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@axil @bryevdv