Python. Selenium. How to wait for new window opens?

✔ Recommended Answer

As Surya mentioned, WebDriverWait would be the way to wait for a change. You could have a context manager like this that only implements the wait logic and then use it for any kind of operation you care about:

@contextmanagerdef wait_for_new_window(driver, timeout=10):    handles_before = driver.window_handles    yield    WebDriverWait(driver, timeout).until(        lambda driver: len(handles_before) != len(driver.window_handles))

Here's a full working example:

from selenium import webdriverfrom selenium.webdriver.support.ui import WebDriverWaitfrom contextlib import contextmanager@contextmanagerdef wait_for_new_window(driver, timeout=10):    handles_before = driver.window_handles    yield    WebDriverWait(driver, timeout).until(        lambda driver: len(handles_before) != len(driver.window_handles))driver = webdriver.Chrome()driver.get("http://www.google.com")with wait_for_new_window(driver):    driver.execute_script("""    window.open("http://www.google.com", "_blank");    """)with wait_for_new_window(driver, 2):    pass # This will obviously hit the timeout.driver.quit()

Source: stackoverflow.com

Answered By: Louis

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