blur_face.py

async def generate_blurred(
    image_path: str,
    output_path: str,
    original_filename: str,
    original_extension: str,
    faces_detail: dict,
    ids_requested: dict,
) -> str:
    image = Image.open(image_path)
    imgWidth, imgHeight = image.size

    for id_request in ids_requested:
        # draw = ImageDraw.Draw(image)

        box = faces_detail[id_request]
        left = imgWidth * box["Left"]
        top = imgHeight * box["Top"]
        width = imgWidth * box["Width"]
        height = imgHeight * box["Height"]

        # Create rounded rectangle mask
        mask = Image.new("L", image.size, 0)
        draw = ImageDraw.Draw(mask)
        draw.ellipse([left, top, left + width, top + height], fill=255)

        # Blur image
        blurred = image.filter(ImageFilter.GaussianBlur(20))

        # Paste blurred region and save result
        image.paste(blurred, mask=mask)

    new_file_name = f"{output_path}/{original_filename}-blurried.{original_extension}"
    img_with_border = ImageOps.expand(image, border=border_size, fill=border_fill)
    img_with_border.save(new_file_name)

    return new_file_name