[Python] How can I adjust the height of a Gradio ChatInterface component using CSS?

Discussão em 'Python' iniciado por Stack, Agosto 21, 2025.

  1. Stack

    Stack Membro Participativo

    I'm working on a chatbot interface using Gradio, and I'm trying to customize the height of the gr.ChatInterface component. I attempted to set the height using the height argument in the ChatInterface function, but I received a TypeError saying that __init__() got an unexpected keyword argument height.

    After some research, I learned that I could apply custom CSS to change the height. However, I'm not sure if I'm implementing it correctly. Here is my current code:

    from openai import OpenAI
    import gradio as gr

    client = OpenAI(api_key="your_api_key_here")

    def slow_echo(message, history):
    messages = [{"role": "system", "content": "You are a helpful assistant."}]

    for chat in history:
    if chat['role'] == "user":
    messages.append({"role": "user", "content": chat['content']})
    elif chat['role'] == "assistant":
    messages.append({"role": "assistant", "content": chat['content']})

    messages.append({"role": "user", "content": message})

    completion = client.chat.completions.create(
    model="gpt-4",
    messages=messages
    )

    response = completion.choices[0].message.content

    return response


    CSS = """
    .contain { display: flex; flex-direction: column; }
    #component-0 { height: 100%; }
    #chatbot { flex-grow: 1; height: 600px; } /* Set height here */
    """


    with gr.Blocks(css=CSS) as demo:
    gr.HTML("<h1>ChatGPT Interface</h1>")
    zc_chatbot = gr.ChatInterface(slow_echo, type="messages", elem_id="chatbot")

    if __name__ == "__main__":
    demo.launch()


    I've added a custom CSS block where I set height: 600px for the #chatbot element, but the height doesn't seem to be applied correctly to the Gradio chat interface. Is there something I'm missing, or is there a better way to adjust the height of the chat component?

    Any guidance would be greatly appreciated!

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