ipywidget_async.py

import asyncio
import ipywidgets as widgets
from IPython.display import display


def wait_for_click(button):
    future = asyncio.Future()
    def getvalue(button):
        # make the new value available
        future.set_result(True)
        button.on_click(getvalue, remove=True)

    button.on_click(getvalue)
    return future


class InputGUI:

    def __init__(self):
        self.values = []

        self._input = widgets.Text(
            value='',
            placeholder='Type something',
            description='String:',
            disabled=False
        )

        self._button = widgets.Button(description='Enter Input')
        self._label = widgets.Label('Well done! Enter another input.')
        self._root = widgets.Box([widgets.Label('Waiting...')])

    def _ipython_display_(self):
        """
        Display hook for Jupyter/QT notebooks
        """
        display(self._root)

    async def _input_loop(self):
        self._root.children = [self._input, self._button]
        await wait_for_click(self._button)
        value = self._input.value
        self._input.value = ''
        # Show the message
        self._root.children = [self._label]
        return value

    async def wait_for_entries(self, number):
        list_of_inputs = []

        for _ in range(number):
            if list_of_inputs:
                await asyncio.sleep(2)

            list_of_inputs.append(await self._input_loop())

        self._label.value = 'All done'
        self._root.children = [self._label]

        return list_of_inputs