app.py

import time

import pandas as pd
import streamlit as st
from transformers import pipeline
from constants import tweet_generator_prompt, absa_prompt

# Adjust the layout for wider containers
st.set_page_config(layout="wide")


# @st.cache_resource
def load_model():
    classification_pipe = pipeline(
        "text-classification", model="tweetpie/toxic-content-detector", top_k=None)
    absa_pipe = pipeline("text2text-generation", model="tweetpie/stance-aware-absa")
    tweet_generation_pipe = pipeline("text2text-generation", model="tweetpie/stance-directed-tweet-generator")
    return classification_pipe, absa_pipe, tweet_generation_pipe


# Set up the title
st.title("Towards a Programmable Humanizing AI through Scalable Stance-Directed Architecture Dashboard")


# Container for ideology selection spanning across first two columns
col11, col12 = st.columns([6, 3])  # Adjust the ratios as needed for better appearance
col21, col22, col23 = st.columns([3, 3, 3])  # Adjust the ratios as needed for better appearance
with col11:
    model_selection = st.selectbox(
        "Select an ideology",
        options=['Left', 'Right'],
        index=0  # Default selection
    )

# Layout for entities and aspects inputs
with col21:
    st.header("Entities")
    pro_entities = st.text_input("Pro Entities", help="Enter pro entities separated by commas")
    anti_entities = st.text_input("Anti Entities", help="Enter anti entities separated by commas")
    neutral_entities = st.text_input("Neutral Entities", help="Enter neutral entities separated by commas")

with col22:
    st.header("Aspects")
    pro_aspects = st.text_input("Pro Aspects", help="Enter pro aspects separated by commas")
    anti_aspects = st.text_input("Anti Aspects", help="Enter anti aspects separated by commas")
    neutral_aspects = st.text_input("Neutral Aspects", help="Enter neutral aspects separated by commas")

# Generate button (placed outside the columns so it spans the full width)
with col12:
    generate_button = st.button("Generate tweet and classify toxicity")

# Load the model (commented out, assuming model loading is handled elsewhere)
classifier, absa, generator = load_model()

# Process the input text and generate output
if generate_button:
    with col23:  # This block is for displaying outputs in the wider column
        with st.spinner('Generating the tweet...'):
            prompt = tweet_generator_prompt.format(
                ideology=model_selection.lower(),
                pro_entities=pro_entities,
                anti_entities=anti_entities,
                neutral_entities=neutral_entities,
                pro_aspects=pro_aspects,
                anti_aspects=anti_aspects,
                neutral_aspects=neutral_aspects
            )
            generated_tweet = generator(prompt, max_new_tokens=80, do_sample=True, num_return_sequences=3)

            # Displaying the input and model's output
            st.write(f"Generated Tweet-1: {generated_tweet[0]['generated_text']}")
            st.write(f"Generated Tweet-2: {generated_tweet[1]['generated_text']}")
            st.write(f"Generated Tweet-3: {generated_tweet[2]['generated_text']}")

        with st.spinner('Generating the Stance-Aware ABSA output...'):
            absa_output = absa(absa_prompt.format(generated_tweet=generated_tweet[0]['generated_text']))

            stances = [x.strip() for x in absa_output[0]['generated_text'].split(',')]
            stances = [{
                'Aspect': x.split(':')[0],
                'Sentiment': x.split(':')[1]
            } for x in stances]
            stances_df = pd.DataFrame(stances)
            stances_df.index = stances_df.index + 1
            st.write("Stance-Aware ABSA Output:")
            st.table(stances_df)

        with st.spinner('Classifying the toxicity...'):
            model_output = classifier(generated_tweet[0]['generated_text'])
            output = model_output[0]

            st.write("Toxicity Classifier Output:")
            for i in range(len(output)):
                if output[i]['label'] == 'LABEL_0':
                    st.write(f"Non-Toxic Content: {output[i]['score'] * 100:.1f}%")
                elif output[i]['label'] == 'LABEL_2':
                    st.write(f"Toxic Content: {output[i]['score'] * 100:.1f}%")
                else:
                    continue