app.py

# app.py
import os
from PIL import Image
import streamlit as st
from utils import create_contact_sheet  # Make sure to import the corrected function

st.set_page_config(
    page_title="Contact sheet generator",
    page_icon=None,
    layout="wide",
    initial_sidebar_state="auto"
)

accepted_extensions = (".jpg", ".jpeg", ".png")

def main():
    st.title('Contact Sheet Generator')

    output_dir = 'contact_sheets'  # This should be a directory, not a file
    image_files = st.file_uploader('Upload images', type=accepted_extensions, accept_multiple_files=True)

    if st.button('Generate Contact Sheets'):
        if image_files:
            # Create the directory if it doesn't exist
            os.makedirs("uploaded_images", exist_ok=True)

            image_paths = []
            for image_file in image_files:
                file_path = os.path.join("uploaded_images", image_file.name)
                with open(file_path, "wb") as f:
                    f.write(image_file.getbuffer())
                image_paths.append(file_path)

            num_sheets = create_contact_sheet(image_paths, output_dir)

            # Display the contact sheets
            for i in range(1, num_sheets + 1):
                sheet_path = os.path.join(output_dir, f'contact_sheet_{i}.jpg')
                st.image(sheet_path, caption=f'Generated Contact Sheet {i}', use_column_width=True)

            # Clean up uploaded images
            for file_path in image_paths:
                os.remove(file_path)

if __name__ == "__main__":
    main()