app.py

import streamlit as st
from model import chat_chain

caption_examples_file_path = "./data/caption_examples.txt"
with open(caption_examples_file_path, "r") as file:
    caption_examples = file.read()

if "visibility" not in st.session_state:
    st.session_state.visibility = "visible"
    st.session_state.disabled = False
    st.session_state.placeholder = "Example: Generate post about backpack Black Mamba with volume of 22 liters"

st.set_page_config(
    page_title="Backpack Title Generator",
    page_icon="🎒"
)

st.write("# Welcome to InstaGPT! 👋🎒")
st.markdown("Write captions for backpacks in the style of Osprey")

text_input = st.text_input(
    "Enter some text 👇",
    label_visibility=st.session_state.visibility,
    disabled=st.session_state.disabled,
    placeholder=st.session_state.placeholder,
)

st.write("Examples:")
st.write("Generate post about backpack Black Mamba with volume of 22 liters")
st.write("Write a post about giveaway of 3 backpacks from new collection")
st.write("Create new post about backpack Adventure for 250 dollars")

generate_response = st.button("Generate")

if text_input:
    st.write("You entered:", text_input)

if generate_response:
    if text_input == "":
        st.write("Please enter some text.")
    else:
        response = chat_chain.invoke(
            {
                "example": caption_examples,
                "question": text_input,
            }
        )
        st.write("Generated:", response)