app.py

import streamlit as st
import pandas as pd
from io import StringIO

def main():
    st.title("CSV Upload or Text Input App")

    # App description
    st.write("""
    This app allows you to:
    1. Upload a CSV file to process the data.
    2. Enter multiple rows of text directly into a text area.
    """)

    # File uploader
    uploaded_file = st.file_uploader("Upload a CSV file", type=["csv"])

    # Text input section
    st.write("OR")
    st.write("Enter your text rows below (one row per line):")
    user_text_input = st.text_area("Text Input", height=150, placeholder="Type or paste your rows of text here...")

    # Process CSV upload
    if uploaded_file:
        try:
            # Read the uploaded CSV
            df = pd.read_csv(uploaded_file)
            st.write("### Uploaded CSV File:")
            st.dataframe(df)
        except Exception as e:
            st.error(f"Error reading file: {e}")

    # Process manual text input
    elif user_text_input.strip():
        # Split text into rows and create a DataFrame
        text_rows = user_text_input.strip().split("\n")
        text_df = pd.DataFrame({"text": text_rows})
        st.write("### Entered Text Data:")
        st.dataframe(text_df)
    else:
        st.write("Upload a CSV file or enter text to see the data.")

if __name__ == "__main__":
    main()