2022:checking for Python executable "python2" in the PATH

一、node报错

gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` failed Error: not found: python2
gyp verb `which` failed     at getNotFoundError (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:80:29)
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\which\which.js:89:16
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21)
gyp verb `which` failed  python2 Error: not found: python2
gyp verb `which` failed     at getNotFoundError (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (E:\workspace\mall\mall-admin-web\node_modules\which\which.js:80:29)
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\which\which.js:89:16
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at E:\workspace\mall\mall-admin-web\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:192:21) {
gyp verb `which` failed   code: 'ENOENT'
gyp verb `which` failed }

说明

1、网上常用方法一(本博主环境无效)

npm install --global --production windows-build-tools

• 这个的含义是在下载一个新的python，存放在本地目录下:C:\Users\A.windows-build-tools

• 如果你的机器没有装过python,那么这个命令有可能好使,但是,安装到这里的时候,它不会给你安装环境变量,你需要自己选择一下.

• 如果你本地装了python,有时候是无效的.

2、网上常用方法二(本博主环境无效)

• 修改本地环境变量

• 此电脑右键->属性->高级系统设置->环境变量->系统变量->path(添加本地的python路径)

*本博主这个环境的python,之前就是好使的,命令窗口输入python,是可以返回版本号的,但是使用Node时候,它还是不识别路径.

3、本博主使用方法(当前有效)

1、确保NodeJS环境安装没有问题，如果不会安装，请参考

构建工具(参考工具部署方式)

软件名称	版本	相关文章推荐
NodeJS	16..	https://www.cnblogs.com/liuyangfirst/p/15998172.html

2、方法一，修改配置文件，添加python环境到Node中

• 输入命令找到node的配置文件.

npm config get userconfig 

• 根据输出路径,找到本地文件位置,右键以文本格式打开.

• 添加如下的路径配置.

3、方法二，命令行添加方式，添加python环境到Node中

• 输入如下命令，在命令窗口中。

npm config set python C:\Python27\python.exe

• 输入完这个命令，本质上它会将这个替你加入到配置文件中，所以，手动还是命令方式，随你喜欢。

二、node重新加载

• 执行完上述方法，如果是项目，删除项目的node_modules文件夹，重新执行。

npm install

结语

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