Selenium - wait until element is present, visible and interactable

As per the best practices:

• If your usecase is to validate the presence of any element you need to induce WebDriverWait setting the expected_conditions as presence_of_element_located() which is the expectation for checking that an element is present on the DOM of a page. This does not necessarily mean that the element is visible. So the effective line of code will be:

  WebDriverWait(browser, 20).until(EC.presence_of_element_located((By.CSS_SELECTOR, ".reply-button"))).click()

• If your usecase is to extract any attribute of any element you need to induce WebDriverWait setting the expected_conditions as visibility_of_element_located(locator) which is an expectation for checking that an element is present on the DOM of a page and visible. Visibility means that the element is not only displayed but also has a height and width that is greater than 0. So in your usecase effectively the line of code will be:

  email = WebDriverWait(driver, 20).until(EC.visibility_of_element_located((By.CSS_SELECTOR, "element_css"))).get_attribute("value")

• If your usecase is to invoke click() on any element you need to induce WebDriverWait setting the expected_conditions as element_to_be_clickable() which is an expectation for for checking an element is visible and enabled such that you can click it. So in your usecase effectively the line of code will be:

  WebDriverWait(browser, 20).until(EC.element_to_be_clickable((By.CSS_SELECTOR, ".reply-button"))).click()

References

You can find a couple of detailed discussion in:

• WebDriverWait not working as expected
• Selenium: Check for the presence of element

After clicking the Reply button, use .visibility_of_element_located like below:

browser.find_element_by_css_selector(".reply-button").click()# Wait for initialize, in secondswait = WebDriverWait(browser, 10)email = wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, '.anonemail'))).get_attribute("value")print(email)

Following import:

from selenium.webdriver.common.by import Byfrom selenium.webdriver.support.ui import WebDriverWaitfrom selenium.webdriver.support import expected_conditions as EC

Waits documentation

You can use waits. Check for more information in Selenium waits.

In the example below we are waiting 10 seconds for the element to be visible, using the function visibility_of_element_located.

driver = webdriver.Firefox()driver.get("http://somedomain/url_that_delays_loading")try:    element = WebDriverWait(driver, 10).until(        EC.visibility_of_element_located((By.ID, "myDynamicElement"))    )finally:    driver.quit()