安装daphne===4.0.0时twisted-iocpsupport编译wheel失败求助

我看到你在安装daphne===4.0.0时遇到了如下错误：

ERROR: Failed building wheel for twisted-iocpsupport

    Building wheels for collected packages: twisted-iocpsupport
  Building wheel for twisted-iocpsupport (pyproject.toml) ... error
  error: subprocess-exited-with-error

  × Building wheel for twisted-iocpsupport (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [5 lines of output]
      running bdist_wheel
      running build
      running build_ext
      building 'twisted_iocpsupport.iocpsupport' extension
      error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools"
      [end of output]

  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for twisted-iocpsupport
Failed to build twisted-iocpsupport
ERROR: Could not build wheels for twisted-iocpsupport, which is required to install pyproject.toml-based projects

这个问题的核心原因是twisted-iocpsupport需要编译C语言扩展，但你的系统缺少对应的编译工具链，错误提示里已经明确要求安装Microsoft Visual C++ 14.0或更高版本。你可以按照以下步骤解决：

• 下载并安装Microsoft C++ Build Tools，安装过程中务必勾选「Desktop development with C++」组件，该组件包含了编译所需的VC++14.0及以上版本的工具、头文件和库。
• 安装完成后，重启你的命令提示符或终端，确保新的环境变量生效。
• 重新执行安装命令：pip install daphne===4.0.0

如果不想手动配置编译环境，也可以尝试寻找对应Python版本和系统架构的twisted-iocpsupport预编译wheel包来安装，但最稳妥的方式还是安装官方编译工具，这能解决后续其他需要编译C扩展的Python包的安装问题。

内容的提问来源于stack exchange，提问作者sunday