Jupyter ipywidgets 滑块在更改时发出 HTTP 请求

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

# Define the slider widget
slider = widgets.FloatSlider(
    value=0.5,  # Initial value
    min=0.0,    # Minimum value
    max=1.0,    # Maximum value
    step=0.01,  # Step size
    description='Slider:'
)

# Define a function to handle slider changes
def on_slider_change(change):
    slider_value = change['new']
    # Define the API URL with the slider value
    api_url = f'http://10.1.2.3.4/api/set-power?power={slider_value}'
    print(api_url)

    # Make the HTTP request
    try:
        response = requests.get(api_url)
        response.raise_for_status()  # Raise an exception for HTTP errors
        print(f'Successfully set power to {slider_value}')
    except requests.exceptions.RequestException as e:
        print(f'Error: {e}')

# Attach the slider change handler to the slider widget
slider.observe(on_slider_change, names='value')

# Display the slider widget in the notebook
display(slider)