Python Selenium中等待设置的实现

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 显式等待
element = WebDriverWait(driver, 10).until(
    EC.element_to_be_clickable((By.ID, 'example_id'))
)

element.click()

from selenium import webdriver

# 隐式等待
driver = webdriver.Chrome()
driver.implicitly_wait(10)

driver.get('https://example.com')
element = driver.find_element(By.ID, 'example_id')

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 自定义等待条件
class ElementHasText:
    def __init__(self, locator, text_):
        self.locator = locator
        self.text = text_

    def __call__(self, driver):
        element_text = EC._find_element(driver, self.locator).text
        return self.text in element_text

element_locator = (By.ID, 'example_id')
wait = WebDriverWait(driver, 10)
wait.until(ElementHasText(element_locator, 'Expected Text'))

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 多重等待条件
element_locator = (By.ID, 'example_id')
wait = WebDriverWait(driver, 10)
wait.until(EC.and_(
    EC.element_to_be_clickable(element_locator),
    EC.visibility_of_element_located(element_locator)
))

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 页面加载状态的等待
wait = WebDriverWait(driver, 10)
wait.until(EC.document_to_be_ready_state('complete'))

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 元素存在与可见性等待
element_locator = (By.ID, 'example_id')
wait = WebDriverWait(driver, 10)
element = wait.until(EC.visibility_of_element_located(element_locator))

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support.ui import FluentWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException

# Fluent等待
wait = WebDriverWait(driver, 10)
element = FluentWait(driver, timeout=10, poll_frequency=1, ignored_exceptions=[TimeoutException]) \
    .until(lambda x: x.find_element(By.ID, 'example_id'))

from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC

# 异步JavaScript加载的等待
element_locator = (By.ID, 'async_element')
wait = WebDriverWait(driver, 10)
wait.until(EC.invisibility_of_element_located(element_locator))