Convert ppt-to-image (automate ppt to image) on Mac with python

step 1 :

pip install python-pptx pythonnet

step 2 :

install homebrew on Mac

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

step 3 :

brew install --cask libreoffice

brew install poppler

step 4 :

Run below code for actual magic!

import os
from pptx import Presentation
from pathlib import Path

def convert_ppt_to_images(input_path, pptx_file, output_dir):
    if not os.path.exists(output_dir):
        os.makedirs(output_dir)

    pptx_file = os.path.join(input_path, pptx_file)
 
    # Validate pptx_file path
    if not os.path.isfile(pptx_file):
        print(f"Error: PPTX file '{pptx_file}' not found.")
        return

    # Specify the file name
    pdf_file = os.path.join(output_dir, Path(pptx_file).stem + ".pdf")
     
    # Creating a file at specified location
    with open(os.path.join(input_path, pdf_file), 'w') as fp:
        pass
        
    convert_command = f"soffice --headless --convert-to pdf \"{pptx_file}\" --outdir \"{output_dir}\""

    os.system(convert_command)

    # Check if PDF conversion was successful
    if not os.path.isfile(pdf_file):
        print(f"Error: PDF file '{pdf_file}' could not be created.")
        return
       
    # Convert each page of the PDF to an image
    pdftoppm_command = f"pdftoppm -png \"{pdf_file}\" \"{output_dir}/slide\""
    os.system(pdftoppm_command)

    # Rename output files to slide_1.png, slide_2.png, etc.
    for i, file_name in enumerate(sorted(os.listdir(output_dir))):
        if file_name.startswith('slide-') and file_name.endswith('.png'):
            os.rename(
                os.path.join(output_dir, file_name),
                os.path.join(output_dir, f"slide_{i + 1}.png")
            )
    print(f"Slides from {pptx_file} have been converted to images in {output_dir}")

# Example usage

input_path =      # Replace with PowerPoint directory path
pptx_file =        # Replace with your PowerPoint file path
output_dir = os.path.join(input_path, Path(pptx_file).stem.replace(" ","_")) 

# Function for conversion ppt to images
convert_ppt_to_images(input_path, pptx_file, output_dir)