web端滑动页面查找元素

def scroll_find_element(text):
    scroll = 0
    while scroll<7000:
        try:
            # driver.find_element_by_partial_link_text(text)
            driver.find_element_by_css_selector(text)
        except:
            scroll += 100
            js = "document.documentElement.scrollTop={0}".format(scroll)
            driver.execute_script(js)
        else:
            print("find out text_element")
            break
    else:
        driver.execute_script("document.documentElement.scrollTop=0")
        print("find not out text_element")