Screenshots from Python and Phantomjs

Copied from Pykler's Stackoverflow answer:
http://stackoverflow.com/questions/13287490/is-there-a-way-to-use-phantomjs-in-python

1. Install NodeJS
2. npm -g install phantomjs
3. pip install selenium 

from selenium import webdriver
driver = webdriver.PhantomJS()
driver.set_window_size(1024, 768) # optional
driver.get('https://google.com/')
driver.save_screenshot('screen.png') # save a screenshot to disk
sbtn = driver.find_element_by_css_selector('button.gbqfba')
sbtn.click()