python pytest的conftest.py的前置后置以及后置处理终结器的设置

# _*_ encoding:utf-8 _*_
import pytest
from selenium import webdriver


@pytest.fixture(scope='class', autouse=True)
def logout(request):
    print('\nclass 前')
    # 添加后置处理的终结器
    def logout_finalizer():
        print('\nclass后')
        print('关闭webdriver')
        driver.quit()
    # 注册后置处理的终结器
    request.addfinalizer(logout_finalizer)
    driver = webdriver.Chrome()
    print('打开webdriver')
    return driver


@pytest.fixture(scope='function', autouse=True)
def login():
    print('\nfunction前')
    yield
    print('\nfunction后')