streamlit-smart-text-input

Streamlit free text select

This component implements a selectbox that allows free text input. It is based on React-Select's 'Select' component.

Installation

pip install streamlit-smart-text-input

Usage (Example 1)

import streamlit as st
from streamlit_smart_text_input import st_smart_text_input

st.set_page_config(page_title="SmartText Input Demo", layout="centered")
st.title("Streamlit SmartText Input Test")

# Options to test with
options = ["Toyota", "BMW", "Tesla", "Ford", "Audi", "Mercedes", "Honda"]


# Call the custom component
value = st_smart_text_input(
    label="Choose or Type a Fruit or Greeting",
    options=options,
    index=None,
    placeholder="Start typing and press Enter...",
    delay=200,
    disabled=False,
    label_visibility="visible",
)

# Display what was selected or typed
if value:
    if value.lower() in [o.lower() for o in options]:
        st.info(f"'{value}' is a known car brand from the list.")
    elif value.lower() in ["hi", "hey", "hello"]:
        st.info("Hello, I am a Python package crafted by [Ankit Guria](https://github.com/ankitguria).")
    else:
        st.warning(f"'{value}' is a new input. You can add this to the list!")

# UI Divider
st.markdown("---")
st.caption("Press ⏎ Enter after typing to trigger input capture.")

Usage (Example 2)

import streamlit as st
from streamlit_smart_text_input import st_smart_text_input

st.set_page_config(page_title="SmartText Chat Thread", layout="centered")
st.title("Streamlit SmartText Chat")

# Initialize chat history
if "chat_history" not in st.session_state:
    st.session_state.chat_history = []

# Options (can be dynamic)
options = ["hi", "hello", "help", "bye", "thanks", "how are you?"]

# Display existing chat
st.markdown("### Conversation")
for i, msg in enumerate(st.session_state.chat_history):
    is_user = msg["sender"] == "user"
    with st.chat_message("user" if is_user else "assistant"):
        st.markdown(msg["text"])

# User input (free-form or from options)
user_input = st_smart_text_input(
    label="Type your message",
    options=options,
    placeholder="Ask something or say hello...",
    delay=100,
    disabled=False,
    label_visibility="collapsed",
    key=f"chat_input_{len(st.session_state.chat_history)}"

)

# When user submits a message
if user_input:
    # Add user message to history
    st.session_state.chat_history.append({
        "sender": "user",
        "text": user_input,
    })

    # Simple bot logic (replace with your own model later)
    if user_input.lower() in ["hi", "hello", "hey"]:
        bot_reply = " Hello, I am a Python package crafted by [Ankit Guria](https://github.com/ankit142)! How can I help you today?"
    elif "help" in user_input.lower():
        bot_reply = "Sure! I'm here to assist. Ask me anything."
    elif user_input.lower() in ["bye", "goodbye"]:
        bot_reply = " Goodbye! Have a great day."
    else:
        bot_reply = f"I heard you say: '{user_input}'"

    # Add bot reply to history
    st.session_state.chat_history.append({
        "sender": "bot",
        "text": bot_reply,
    })

    # Force rerun to refresh chat display and clear input
    st.rerun()

Docs

Parameters

• label : str A short label explaining to the user what this input is for.
• options : list A list of predefined options to choose from.
• index : int An optional index to select an option by default, defaults to None.
• format_func : callable A callable function to format the options, defaults to None.
• placeholder : str A string to display when the input is empty, defaults to None.
• disabled : bool Whether the input is disabled, defaults to False.
• delay : int The time in milliseconds to wait before updating the component, defaults to 300.
• key : str An optional string to use as the unique key for the widget, defaults to None.
• label_visibility : str The visibility of the label, defaults to "visible". Options are "visible", "hidden", "collapsed".

Returns str or None The value of the free text select input.

Contributors

Ankit Guria

Release Notes

• 0.0.5: Initial release.