Chat

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from shiny.express import ui

# Set some Shiny page options
ui.page_opts(
    title="Hello Shiny Chat",
    fillable=True,
    fillable_mobile=True,
)

# Create a chat instance and display it
chat = ui.Chat(id="chat")
chat.ui()

# Define a callback to run when the user submits a message
@chat.on_user_submit
async def handle_user_input(user_input: str):
    # Append a response to the chat
    await chat.append_message(f"You said: {user_input}")
from shiny.express import ui

ui.page_opts(
    title="Hello Shiny Chat",
    fillable=True,
    fillable_mobile=True,
)

# Create a chat instance and display it 
chat = ui.Chat(id="chat")  
chat.ui()  

# Define a callback to run when the user submits a message 
@chat.on_user_submit  
async def handle_user_input(user_input: str):  
    # Simply echo the user's input back to them 
    await chat.append_message(f"You said: {user_input}")  
from shiny import App, ui

app_ui = ui.page_fillable(
    ui.panel_title("Hello Shiny Chat"),
    ui.chat_ui("chat"),  
    fillable_mobile=True,
)

def server(input):
    # Create a chat instance and display it
    chat = ui.Chat(id="chat")  

    # Define a callback to run when the user submits a message
    @chat.on_user_submit  
    async def handle_user_input(user_input: str):  
        # Simply echo the user's input back to them
        await chat.append_message(f"You said: {user_input}")  

app = App(app_ui, server)
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The example above is a bare-bones chat interface where the “assistant” simply echoes back the user’s input. Visit the article on chatbots to learn how to get Chat() working with an LLM provider of your choice. That article also covers features of the Chat() component in more detail.

Chatbots article

Relevant Functions

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