Test using PyWebView to run a Plotly Dash app as a native web app

native_dash_app.py

import webview
from dash import Dash, html


def run_native_dash_app(dash_app: Dash, window_title: str = None) -> None:
    """Run dash app as native web app

    Use PyWebView to run a dash app as a native web app
      * install with `pip install pywebview`
      * project home page: https://pywebview.flowrl.com/
      * github: https://github.com/r0x0r/pywebview
        * Actively developed as of 2022-04-27 (checked on 2022-06-27)

    :param dash_app: a dash app with server and title attributes
    :param window_title: title for app window; use None if `dash_app.title` should be used
    :return: None

    >>> app = Dash('Native Dash App Demo')
    >>> app.layout = html.Div(['App Layout'])
    >>> run_native_dash_app(app)
    """
    if window_title is None:
        window_title = dash_app.title

    webview.create_window(window_title, dash_app.server)
    webview.start()


if __name__ == "__main__":
    # Demo app to input text and output text in all caps
    from dash import dcc, Input, Output

    app = Dash("Native Dash App Demo")
    app.layout = html.Div(
        [
            html.Div(["input text: ", dcc.Input(id="my-input", type="text")]),
            html.Div(id="my-output"),
        ]
    )

    @app.callback(
        Output(component_id="my-output", component_property="children"),
        Input(component_id="my-input", component_property="value"),
    )
    def update_output_div(input_value):
        return f"{input_value.upper()}"

    run_native_dash_app(app)