错误显示如下
Building wheels for collected packages: twisted-iocpsupport
Building wheel for twisted-iocpsupport (pyproject.toml): started
Building wheel for twisted-iocpsupport (pyproject.toml): finished with status 'error'
Failed to build twisted-iocpsupport
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": https://visualstudio.microsoft.com/visual-cpp-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
ERROR: Could not build wheels for twisted-iocpsupport, which is required to install pyproject.toml-based projects
关键的是这句话:
building ‘twisted_iocpsupport.iocpsupport’ extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with “Microsoft C++ Build Tools”: https://visualstudio.microsoft.com/visual-cpp-build-tools/
说明需要安装Microsoft Visual C++14.0或更高版本
(原本以为错误原因是Failed building wheel for twisted-iocpsupport…)
解决方法
下载网址:https://visualstudio.microsoft.com/zh-hans/visual-cpp-build-tools/
选择安装内容
安装好后再次安装Scrapy,成功!!!