Playwright安装报错求助：pip无匹配版本及依赖冲突问题

运行环境 #

• Linux 32位系统
• Python 3.8解释器
• PyCharm虚拟环境

安装过程及报错 #

1. 直接安装Playwright失败 #

执行pip install playwright时出现如下报错：

错误：找不到符合要求的playwright版本（可用版本：无）
错误：未找到匹配的playwright发行版

2. 安装pytest-playwright出现依赖冲突 #

尝试pip install pytest-playwright时，pip遍历所有可用版本后提示依赖冲突（未指定任何版本），Shell输出如下：

pip install pytest-playwright
正在收集 pytest-playwright
  使用缓存的 pytest_playwright-0.3.0-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.2.3-py3-none-any.whl (10.0 kB)
  使用缓存的 pytest_playwright-0.2.2-py3-none-any.whl (9.8 kB)
  使用缓存的 pytest_playwright-0.2.1-py3-none-any.whl (9.8 kB)
  使用缓存的 pytest_playwright-0.2.0-py3-none-any.whl (9.8 kB)
  使用缓存的 pytest_playwright-0.1.2-py3-none-any.whl (11 kB)
  使用缓存的 pytest_playwright-0.1.1-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.1.0-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.12-py3-none-any.whl (10 kB)
正在收集 pytest
  使用缓存的 pytest-7.1.3-py3-none-any.whl (298 kB)
正在收集 pytest-base-url
  使用缓存的 pytest_base_url-2.0.0-py3-none-any.whl (4.6 kB)
正在收集 pytest-playwright
  使用缓存的 pytest_playwright-0.0.11-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.10-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.9-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.8-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.7-py3-none-any.whl (9.9 kB)
  使用缓存的 pytest_playwright-0.0.6-py3-none-any.whl (10 kB)
  使用缓存的 pytest_playwright-0.0.5-py3-none-any.whl (9.8 kB)
  正在下载 pytest_playwright-0.0.4.1-py3-none-any.whl (5.6 kB)
  正在下载 pytest_playwright-0.0.4-py3-none-any.whl (5.1 kB)
  正在下载 pytest_playwright-0.0.3-py3-none-any.whl (3.7 kB)
  正在下载 pytest_playwright-0.0.2-py3-none-any.whl (3.3 kB)
错误：无法安装 pytest-playwright==0.0.10、pytest-playwright==0.0.11、pytest-playwright==0.0.12、pytest-playwright==0.0.2、pytest-playwright==0.0.3、pytest-playwright==0.0.4、pytest-playwright==0.0.4.1、pytest-playwright==0.0.5、pytest-playwright==0.0.6、pytest-playwright==0.0.7、pytest-playwright==0.0.8、pytest-playwright==0.0.9、pytest-playwright==0.1.0、pytest-playwright==0.1.1、pytest-playwright==0.1.2、pytest-playwright==0.2.0、pytest-playwright==0.2.1、pytest-playwright==0.2.2、pytest-playwright==0.2.3 和 pytest-playwright==0.3.0，因为这些包版本存在依赖冲突。

冲突原因如下：
    pytest-playwright 0.3.0 依赖 playwright>=1.18
    pytest-playwright 0.2.3 依赖 playwright>=1.13
    pytest-playwright 0.2.2 依赖 playwright>=1.13
    pytest-playwright 0.2.1 依赖 playwright>=1.13
    pytest-playwright 0.2.0 依赖 playwright>=1.13
    pytest-playwright 0.1.2 依赖 playwright>=1.10.0
    pytest-playwright 0.1.1 依赖 playwright>=1.10.0
    pytest-playwright 0.1.0 依赖 playwright>=1.10.0
    pytest-playwright 0.0.12 依赖 playwright>=1.9.0
    pytest-playwright 0.0.11 依赖 playwright==1.8.0a1
    pytest-playwright 0.0.10 依赖 playwright>=0.170.0
    pytest-playwright 0.0.9 依赖 playwright>=0.0.4
    pytest-playwright 0.0.8 依赖 playwright>=0.0.4
    pytest-playwright 0.0.7 依赖 playwright>=0.0.4
    pytest-playwright 0.0.6 依赖 playwright>=0.0.4
    pytest-playwright 0.0.5 依赖 playwright>=0.0.4
    pytest-playwright 0.0.4.1 依赖 playwright==0.0.4
    pytest-playwright 0.0.4 依赖 playwright
    pytest-playwright 0.0.3 依赖 playwright
    pytest-playwright 0.0.2 依赖 playwright

你可以尝试以下方法修复：
1. 放宽指定的包版本范围
2. 删除指定的包版本，让pip尝试解决依赖冲突

疑问 #

1. pip install playwright安装失败是否因32位机器导致？
2. pip install pytest-playwright出现依赖冲突的原因是什么？

1. Playwright安装失败的原因 #

是的，32位Linux系统是核心原因。Playwright官方早已停止对32位操作系统的支持，PyPI上没有适配32位Linux的Playwright预编译包，因此pip无法找到符合要求的版本，抛出安装失败的错误。

2. pytest-playwright依赖冲突的原因 #

本质是Playwright安装失败引发的连锁反应：

• 所有版本的pytest-playwright都依赖playwright包，但你的32位环境无法安装任何版本的playwright
• pip在尝试解析依赖时，会遍历所有pytest-playwright版本，检查其依赖的playwright版本是否可安装，但所有依赖的playwright版本都没有适配32位Linux的包，最终pip判定所有pytest-playwright版本都存在依赖冲突，报错退出。

内容的提问来源于stack exchange，提问作者user_0525