python库多版本共存

安装多版本selenium

在 Python 中处理包的多个版本 |作者：跳过 |中等 (medium.com)

如何在一个python 文件用两个不同版本的库_python 有两个库,怎么在代码中选择用哪个库-CSDN博客

安装3.14.0版本

pip install selenium==3.14.0 --target=C:\selenium\3.14.0

安装 4.12.0版本

pip install selenium==4.12.0 --target=C:\selenium\4.12.0

测试脚本

# -*- coding: UTF-8 -*-
import os
import sys
import time

selenium_version = 3

if selenium_version == 3:
    sys.path.insert(1, os.path.abspath(r'C:\selenium\3.14.0'))
    import selenium
    print(selenium.__version__)

    from selenium import webdriver
    from selenium.webdriver.chrome.service import Service as ChromeService
    from webdriver_manager.chrome import ChromeDriverManager

    options = webdriver.ChromeOptions()
    options.add_argument("--ignore-certificate-error")
    options.add_argument("--ignore-ssl-errors")
    driver = webdriver.Chrome(ChromeDriverManager().install(), options=options)
    driver.maximize_window()

    driver.get("https://www.baidu.com/")
    driver.find_element_by_id('kw').send_keys('python')
    driver.find_element_by_id('su').click()

    time.sleep(2)
    driver.quit()

    # print(sys.path)
    # for key in list(sys.modules.keys()):
    #     if key.startswith('selenium'):
    #         del sys.modules[key]
elif selenium_version == 4:
    sys.path.insert(1, os.path.abspath(r'C:\selenium\4.12.0'))
    import selenium
    print(selenium.__version__)

    from selenium import webdriver
    from selenium.webdriver.chrome.service import Service as ChromeService
    from webdriver_manager.chrome import ChromeDriverManager
    from selenium.webdriver.common.by import By

    options = webdriver.ChromeOptions()
    options.add_argument("--ignore-certificate-error")
    options.add_argument("--ignore-ssl-errors")
    driver = webdriver.Chrome(service=ChromeService(ChromeDriverManager().install()), options=options)
    driver.maximize_window()

    driver.get("https://www.baidu.com/")
    driver.find_element(By.ID, 'kw').send_keys('python')
    driver.find_element(By.ID, 'su').click()

    time.sleep(2)
    driver.quit()
    # print(sys.path)