Making PDFs with AI

Get-ChildItem -Path . -Directory | ForEach-Object { Get-ChildItem -Path $_.FullName | Sort-Object LastWriteTime | Select-Object Name | Out-File -FilePath (Join-Path -Path $_.FullName -ChildPath "filelist.txt") }

# Ensure you have the required libraries installed:
# pip install fpdf2 Pillow
from fpdf import FPDF
from PIL import Image
import os

def create_pdf(image_folder, output_pdf):
    """
    Creates a PDF from images in a specified folder, with the order
    determined by a 'filelist.txt' file within that folder.
    (This function is the same as your original)
    """
    pdf = FPDF()
    filelist_path = os.path.join(image_folder, 'filelist.txt')

    if not os.path.isfile(filelist_path):
        print(f"Error: 'filelist.txt' not found in the folder: {image_folder}")
        return

    try:
        # NOTE: Your PowerShell script creates UTF-16 encoded files.
        with open(filelist_path, 'r', encoding='utf-16') as f:
            lines = f.readlines()
            # Skip header lines, strip whitespace, and exclude blank lines/self-reference
            image_files = [
                line.strip() for line in lines[2:] 
                if line.strip() and line.strip().lower() != 'filelist.txt'
            ]
    except Exception as e:
        print(f"Error reading or processing {filelist_path}: {e}")
        return

    for image_file in image_files:
        image_path = os.path.join(image_folder, image_file)
        
        if not os.path.isfile(image_path):
            print(f"Warning: Skipping '{image_file}' as it was not found.")
            continue
            
        try:
            with Image.open(image_path) as img:
                img_rgb = img.convert('RGB')
                
                a4_width_mm = 210
                a4_height_mm = 297
                img_width, img_height = img_rgb.size
                aspect_ratio = img_height / img_width

                if (img_width > img_height):
                    page_orientation = 'L'
                    page_width, page_height = a4_height_mm, a4_width_mm
                else:
                    page_orientation = 'P'
                    page_width, page_height = a4_width_mm, a4_height_mm

                scaled_width = page_width
                scaled_height = scaled_width * aspect_ratio
                if scaled_height > page_height:
                    scaled_height = page_height
                    scaled_width = scaled_height / aspect_ratio

                x_pos = (page_width - scaled_width) / 2
                y_pos = (page_height - scaled_height) / 2

                pdf.add_page(orientation=page_orientation)
                pdf.image(img_rgb, x=x_pos, y=y_pos, w=scaled_width, h=scaled_height)
        except Exception as e:
            print(f"Could not process {image_path}: {e}")

    pdf.output(output_pdf)
    print(f"SUCCESS: PDF created at {output_pdf}")

# --- NEW FUNCTION TO PROCESS ALL SUB-FOLDERS ---
def process_all_subfolders(root_folder):
    """
    Finds all sub-folders in the root_folder and runs create_pdf on each one.
    The output PDF is named after the sub-folder and saved in the root_folder.
    """
    print(f"Starting to process sub-folders in: {root_folder}\n")
    # Find all items in the root folder that are directories
    subfolders = [d for d in os.listdir(root_folder) if os.path.isdir(os.path.join(root_folder, d))]

    if not subfolders:
        print("No sub-folders found to process.")
        return

    # Loop through each found sub-folder
    for folder_name in subfolders:
        image_folder_path = os.path.join(root_folder, folder_name)
        # Name the output PDF after the folder and save it in the root directory
        output_pdf_path = os.path.join(root_folder, f"{folder_name}.pdf")
        
        print(f"--- Processing folder: [{folder_name}] ---")
        create_pdf(image_folder_path, output_pdf_path)
        print("-" * (len(folder_name) + 24)) # Separator for clarity
        
    print("\nAll tasks complete.")

# --- UPDATED MAIN EXECUTION BLOCK ---
if __name__ == "__main__":
    # IMPORTANT: Set this to the main folder containing all your sub-folders.
    # For example, if you have C:\Desktop\Projects\ProjectA and C:\Desktop\Projects\ProjectB,
    # you would set the path to C:\Desktop\Projects
    top_level_folder = r"INSERT PATH HERE"
    
    process_all_subfolders(top_level_folder)