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59afc8d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 | import streamlit as st
import random
import time
# --- CONFIGURATION ---
st.set_page_config(
page_title="Simple Streamlit Chatbot",
page_icon="🤖",
layout="centered"
)
# --- INITIAL STATE ---
if "messages" not in st.session_state:
st.session_state.messages = []
if "bot_index" not in st.session_state:
st.session_state.bot_index = 0
# --- HELPER FUNCTIONS ---
def simple_bot_response(user_text: str) -> str:
"""A very naive rule-based responder."""
user_text = user_text.lower().strip()
if any(k in user_text for k in ("hello", "hi", "hey")):
return "Hello! How can I help you today?"
elif "bye" in user_text:
return "Goodbye! Have a great day."
elif "name" in user_text:
return "I'm a Streamlit bot, here to chat."
elif "age" in user_text:
return "I was born when you clicked 'Run'."
else:
replies = [
"Interesting... tell me more.",
"I see.",
"Could you elaborate on that?",
"Thanks for sharing!",
"I'm not sure I follow."
]
# Cycle through replies deterministically
reply = replies[st.session_state.bot_index % len(replies)]
st.session_state.bot_index += 1
return reply
# --- UI ---
st.title("🤖 Simple Chatbot")
st.caption("Powered by Streamlit and a few if-statements.")
# --- CHAT HISTORY ---
for message in st.session_state.messages:
with st.chat_message(message["role"]):
st.markdown(message["content"])
# --- CHAT INPUT ---
if prompt := st.chat_input("Type your message here..."):
# Display user message
with st.chat_message("user"):
st.markdown(prompt)
st.session_state.messages.append({"role": "user", "content": prompt})
# Simulate bot typing
with st.chat_message("assistant"):
message_placeholder = st.empty()
full_response = ""
# Get bot response
bot_reply = simple_bot_response(prompt)
# Fake typing animation
for chunk in bot_reply.split():
full_response += chunk + " "
time.sleep(0.05)
message_placeholder.markdown(full_response + "▌")
message_placeholder.markdown(full_response)
# Append bot message to history
st.session_state.messages.append({"role": "assistant", "content": full_response}) |