问Python转换PDF

EN

def split_pdf(pdf_obj, step_functions_client, task_token):
    print(time.time())

    read_pdf = PyPDF2.PdfFileReader(pdf_obj)
    images = []

    for page_num in range(read_pdf.numPages):
        output = PyPDF2.PdfFileWriter()
        output.addPage(read_pdf.getPage(page_num))

        generateduuid = str(uuid.uuid4())
        filename = generateduuid + ".pdf"
        outputfilename = generateduuid + ".jpg"
        with open(filename, "wb") as out_pdf:
            output.write(out_pdf) # write to local instead

        image = {"page": str(page_num + 1)}  # Start at 1 rather than 0

        create_image_process = subprocess.Popen(["gs", "-o " + outputfilename, "-sDEVICE=jpeg", "-r300", "-dJPEGQ=100", filename], stdout=subprocess.PIPE)
        create_image_process.wait()

        time.sleep(10)
        with(Image(filename=outputfilename)) as img:
            image["image_data"] = img.make_blob('jpeg')
            image["height"] = img.height
            image["width"] = img.width
            images.append(image)

            if hasattr(step_functions_client, 'send_task_heartbeat'):
                step_functions_client.send_task_heartbeat(taskToken=task_token)

    return images