text: import time
  
  from selenium.webdriver.common.action_chains import ActionChains
  
  from .common import SELENIUM_EXCEPTIONS, archiver
  
  # Used as a threshold to avoid running forever
  MAX_POSTS = 15000
  
  
  def delete_posts(driver,
                   user_profile_url,
                   year=None):
      """
      Deletes or hides all posts from the wall
  
      Args:
          driver: seleniumrequests.Chrome Driver instance
          user_profile_url: str
          year: optional int YYYY year
      """
  
      if year is not None:
          user_profile_url = "{0}/timeline?year={1}".format(user_profile_url, year)
  
      driver.get(user_profile_url)
  
      for _ in range(MAX_POSTS):
          post_button_sel = "_4xev"
  
          post_content_sel = "userContent"
          post_timestamp_sel = "timestampContent"
  
          wall_log, archive_wall_post = archiver("wall")
  
          while True:
              try:
                  timeline_element = driver.find_element_by_class_name(post_button_sel)
  
                  post_content_element = driver.find_element_by_class_name(post_content_sel)
                  post_content_ts = driver.find_element_by_class_name(post_timestamp_sel)
  
                  archive_wall_post(post_content_element.text, timestamp=post_content_ts.text)
  
                  actions = ActionChains(driver)
                  actions.move_to_element(timeline_element).click().perform()
  
                  menu = driver.find_element_by_css_selector("#globalContainer > div.uiContextualLayerPositioner.uiLayer > div")
                  actions.move_to_element(menu).perform()
  
                  try:
                      delete_button = menu.find_element_by_xpath("//a[@data-feed-option-name=\"FeedDeleteOption\"]")
                  except SELENIUM_EXCEPTIONS:
                      try:
                          delete_button = menu.find_element_by_xpath("//a[@data-feed-option-name=\"HIDE_FROM_TIMELINE\"]")
                      except SELENIUM_EXCEPTIONS:
                          delete_button = menu.find_element_by_xpath("//a[@data-feed-option-name=\"UNTAG\"]")
  
                  actions.move_to_element(delete_button).click().perform()
                  confirmation_button = driver.find_element_by_class_name("layerConfirm")
  
                  # Facebook would not let me get focus on this button without some custom JS
                  driver.execute_script("arguments[0].click();", confirmation_button)
              except SELENIUM_EXCEPTIONS:
                  continue
              else:
                  break
          wall_log.close()
  
          # Required to sleep the thread for a bit after using JS to click this button
          time.sleep(5)
          driver.refresh()
  