small python script to concatenate pictures as jpg files into a PDF of the same size

create-pdf-photos.py

#!/usr/bin/python3
# small python script to concatenate pictures as jpg files into a PDF of the same size
# Nov 2024, chatgpt

# pip3 install reportlab

import os
from PIL import Image
from reportlab.pdfgen import canvas
import sys
import glob

def images_to_pdf(image_files, output_pdf):
    # Create a PDF canvas
    c = canvas.Canvas(output_pdf)

    for image_file in image_files:
        print(image_file)
        # Open the image
        img = Image.open(image_file)
        
        # Get image dimensions
        width, height = img.size
        
        # Set the page size to the image size
        c.setPageSize((width, height))
        
        # Draw the image on the PDF
        c.drawImage(image_file, 0, 0, width, height)
        
        # End the page
        c.showPage()

    # Save the PDF
    c.save()

if __name__ == "__main__":
    # Specify the directory containing the images
    image_directory = sys.argv[1]
    
    # Get a list of JPG files in the directory
    image_files = sorted(glob.glob(image_directory+'/*.jpg'))
    
    # Sort the files if needed (optional)
    image_files.sort()

    # Specify the output PDF file name
    output_pdf = "concatenated-pictures.pdf"

    # Convert images to PDF
    images_to_pdf(image_files, output_pdf)

    print(f"PDF created successfully: {output_pdf}")