📣 Dash v1.7.0 released - Async component fixes, inline clientside callbacks, and bug fixes

Dash Python
1

Update: version 1.16 has been released since this was posted.

Dash 1.7.0 is a minor release adding support for inline clientside callbacks, improving dcc’s Slider and RangeSlider styling and behavior, and fixing some additional bugs for async components.

Changelog
Dash v.1.7.0

Highlights

Previous Releases

In Depth

Inline Clientside Callbacks

import dash
import dash_html_components as html
import dash_core_components as dcc
from dash.dependencies import ClientsideFunction, Input, Output

app = dash.Dash(__name__)

app.layout = html.Div([
    dcc.Input(id='input'),
    html.Div(id='output-clientside'),
    html.Div(id='output-serverside')
])

@app.callback(
    Output('output-serverside', 'children'),
    [Input('input', 'value')])
def update_output(value):
    return 'Server says "{}"'.format(value)


app.clientside_callback(
#     ClientsideFunction(
#         namespace='clientside',
#         function_name='display'
#     ),
    """
    function (value) {
        if (value && value.indexOf('--') === 0) {
            throw window.dash_clientside.PreventUpdate;
        }

        if (value && value.indexOf('__') === 0) {
            return window.dash_clientside.no_update;
        }

        return 'Client says "' + value + '"';
    }
    """,
    Output('output-clientside', 'children'),
    [Input('input', 'value')]
)

if __name__ == "__main__":
    app.run_server(port=8070)
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