extracting links with a specific class with Selenium in Python -

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i trying extract links infinite scroll website

it's code scrolling down page

driver = webdriver.chrome('c:\\program files     (x86)\\google\\chrome\\chromedriver.exe') driver.get('http://seekingalpha.com/market-news/top-news') in range(0,2):     driver.implicitly_wait(15)     driver.execute_script("window.scrollto(0, document.body.scrollheight);")     time.sleep(20)

i aim @ extracting specific links page. class = "market_current_title" , html following :

<a class="market_current_title" href="/news/3223955-dow-wraps-best-week-since-2011-s-and-p-strongest-week-since-2014" sasource="titles_mc_top_news" target="_self">dow wraps best week since 2011; s&amp;p in strongest week since 2014</a>

when used 

url = driver.find_elements_by_class_name('market_current_title')

i ended error says "stale element reference: element not attached page document". tried 

 url = driver.find_elements_by_xpath("//div[@id='a']//a[@class='market_current_title']")

but says there no such link !!! have idea solving problem?

you're trying interact element changed (probably elements above scrolling , off screen). try this answer options on how overcome this.

here's snippet:

from selenium.common.exceptions import timeoutexception selenium.webdriver.common.by import import selenium.webdriver.support.expected_conditions ec import selenium.webdriver.support.ui ui  # return true if element visible within 2 seconds, otherwise false def is_visible(self, locator, timeout=2): try:     ui.webdriverwait(driver, timeout).until(ec.visibility_of_element_located((by.css_selector, locator)))     return true except timeoutexception:     return false

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