📅  最后修改于: 2022-03-11 14:46:28.149000             🧑  作者: Mango
import contextlib
import selenium.webdriver as webdriver
import selenium.webdriver.support.ui as ui
with contextlib.closing(webdriver.Firefox()) as driver:
driver.get('http://www.google.com')
wait = ui.WebDriverWait(driver,10)
# Do not call `implicitly_wait` if using `WebDriverWait`.
# It magnifies the timeout.
# driver.implicitly_wait(10)
inputElement=driver.find_element_by_name('q')
inputElement.send_keys('Cheese!')
inputElement.submit()
print(driver.title)
wait.until(lambda driver: driver.title.lower().startswith('cheese!'))
print(driver.title)
# This raises
# selenium.common.exceptions.TimeoutException: Message: None
# after 10 seconds
wait.until(lambda driver: driver.find_element_by_id('someId'))
print(driver.title)