web.py 文件源码

def init_driver_headless():
    '''
    Initialize headless browser. it needs a virtual display
    '''
    from pyvirtualdisplay import Display
    global Display  # global variable because its needed in quit_driver()
    display = Display(visible = 0, size = (1024, 768))
    display.start()
    print "display initialized for headless browser"

    driver = webdriver.Firefox()
    return driver