flippingbookToPDF.py

from selenium import webdriver
from time import sleep
from selenium.webdriver.chrome.options import Options

url = 'https://online.flippingbook.com/view/315002/2/'

chrome_options = Options()
chrome_options.add_argument('--headless')
chrome_options.add_argument('--start-maximized')
chrome_options.add_argument("--window-size=4000,2040")

driver = webdriver.Chrome(chrome_options=chrome_options)
driver.get(url)

sleep(5)

driver.find_element_by_xpath("//span[contains(@class, 'close-button')]").click()
driver.find_element_by_xpath("//button[@title='Fullscreen']").click()
sleep(2)


for i in range(150):
    script='[...document.getElementsByClassName("gradient-light")].forEach((element, index, array) => {element.classList.remove("gradient-light")});'
    driver.execute_script(script)
    
    el = driver.find_element_by_id('book')
    el.screenshot("page_%03.d.png" % i)

    driver.find_element_by_xpath("//button[@title='Next Page']").click()
    sleep(5)

driver.quit()

Then, reduce file size
pngquant -f --ext .png **/*.png

Split page to two files
convert page*.png -crop 50%x100% +repage book_%03d.png

Create PDF
convert book_*.png m.pdf