Extract all images in a PowerPoint file

extract.py

import pptx
from pptx.enum.shapes import MSO_SHAPE_TYPE
import os


# extract all images in the pptx file
def extract_images(pptx_path, output_dir):
    i = 0
    ppt = pptx.Presentation(pptx_path)
    for slide in ppt.slides:
        for shape in slide.shapes:
            if shape.shape_type == MSO_SHAPE_TYPE.PICTURE:
                i += 1

                # get image data
                image = shape.image
                image_bytes = image.blob

                # set image path
                image_path = f"{output_dir}/{i}.png"

                # create output directory if not exists
                if not os.path.exists(output_dir):
                    os.makedirs(output_dir)

                # save image to file
                with open(image_path, "wb") as f:
                    f.write(image_bytes)

                print(f"Extracted image: {image_path}")


if __name__ == "__main__":
    # extract all images in the pptx file
    extract_images("presentation.pptx", "output")