npm install 报错：gyp verb `which` failed Error: not found: python_青鸟明丹心的博客

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> husky@ 0.14 .3 install D : \programs\rubik - web\node_modules\husky > node . / bin / install . js husky setting up Git hooks > node - sass@ 4.14 .1 install D : \programs\rubik - web\node_modules\node - sass > node scripts / install . js Downloading binary from https : / / github . com / sass / node - sass / releases / download / v4 . 14.1 / win32 - x64 - 83 _binding . node Cannot download "https://github.com/sass/node-sass/releases/download/v4.14.1/win32-x64-83_binding.node" : read ECONNRESET Hint : If github . com is not accessible in your location try setting a proxy via HTTP_PROXY , e . g . export HTTP_PROXY = http : / / example . com : 1234 or configure npm proxy via npm config set proxy http : / / example . com : 8080 > core - js@ 2.6 .11 postinstall D : \programs\rubik - web\node_modules\core - js > node - e "try{require('./postinstall')}catch(e){}" Thank you for using core - js ( https : / / github . com / zloirock / core - js ) for polyfilling JavaScript standard library ! The project needs your help ! Please consider supporting of core - js on Open Collective or Patreon : > https : / / opencollective . com / core - js > https : / / www . patreon . com / zloirock Also , the author of core - js ( https : / / github . com / zloirock ) is looking for a good job - ) > ejs@ 2.7 .4 postinstall D : \programs\rubik - web\node_modules\ejs > node . / postinstall . js Thank you for installing EJS : built with the Jake JavaScript build tool ( https : / /jakejs.com/ ) > node - sass@ 4.14 .1 postinstall D : \programs\rubik - web\node_modules\node - sass > node scripts / build . js Building : C : \Program Files\nodejs\node . exe D : \programs\rubik - web\node_modules\node - gyp\bin\node - gyp . js rebuild -- verbose -- libsass_ext = -- libsass_cflags = -- libsass_ldflags = -- libsass_library = gyp info it worked if it ends with ok gyp verb cli [ gyp verb cli 'C:\\Program Files\\nodejs\\node.exe' , gyp verb cli 'D:\\programs\\rubik-web\\node_modules\\node-gyp\\bin\\node-gyp.js' , gyp verb cli 'rebuild' , gyp verb cli '--verbose' , gyp verb cli '--libsass_ext=' , gyp verb cli '--libsass_cflags=' , gyp verb cli '--libsass_ldflags=' , gyp verb cli '--libsass_library=' gyp verb cli ] gyp info using node - gyp@ 3.8 .0 gyp info using node@ 14.5 .0 | win32 | x64 gyp verb command rebuild [ ] gyp verb command clean [ ] gyp verb clean removing "build" directory gyp verb command configure [ ] 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 ( D : \programs\rubik - web\node_modules\which\which . js : 13 : 12 ) gyp verb `which` failed at F ( D : \programs\rubik - web\node_modules\which\which . js : 68 : 19 ) gyp verb `which` failed at E ( D : \programs\rubik - web\node_modules\which\which . js : 80 : 29 ) gyp verb `which` failed at D : \programs\rubik - web\node_modules\which\which . js : 89 : 16 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\index . js : 42 : 5 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\windows . js : 36 : 5 gyp verb `which` failed at FSReqCallback . oncomplete ( fs . js : 176 : 21 ) gyp verb `which` failed python2 Error : not found : python2 gyp verb `which` failed at getNotFoundError ( D : \programs\rubik - web\node_modules\which\which . js : 13 : 12 ) gyp verb `which` failed at F ( D : \programs\rubik - web\node_modules\which\which . js : 68 : 19 ) gyp verb `which` failed at E ( D : \programs\rubik - web\node_modules\which\which . js : 80 : 29 ) gyp verb `which` failed at D : \programs\rubik - web\node_modules\which\which . js : 89 : 16 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\index . js : 42 : 5 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\windows . js : 36 : 5 gyp verb `which` failed at FSReqCallback . oncomplete ( fs . js : 176 : 21 ) { gyp verb `which` failed code : 'ENOENT' gyp verb `which` failed } gyp verb check python checking for Python executable "python" in the PATH gyp verb `which` failed Error : not found : python gyp verb `which` failed at getNotFoundError ( D : \programs\rubik - web\node_modules\which\which . js : 13 : 12 ) gyp verb `which` failed at F ( D : \programs\rubik - web\node_modules\which\which . js : 68 : 19 ) gyp verb `which` failed at E ( D : \programs\rubik - web\node_modules\which\which . js : 80 : 29 ) gyp verb `which` failed at D : \programs\rubik - web\node_modules\which\which . js : 89 : 16 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\index . js : 42 : 5 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\windows . js : 36 : 5 gyp verb `which` failed at FSReqCallback . oncomplete ( fs . js : 176 : 21 ) gyp verb `which` failed python Error : not found : python gyp verb `which` failed at getNotFoundError ( D : \programs\rubik - web\node_modules\which\which . js : 13 : 12 ) gyp verb `which` failed at F ( D : \programs\rubik - web\node_modules\which\which . js : 68 : 19 ) gyp verb `which` failed at E ( D : \programs\rubik - web\node_modules\which\which . js : 80 : 29 ) gyp verb `which` failed at D : \programs\rubik - web\node_modules\which\which . js : 89 : 16 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\index . js : 42 : 5 gyp verb `which` failed at D : \programs\rubik - web\node_modules\isexe\windows . js : 36 : 5 gyp verb `which` failed at FSReqCallback . oncomplete ( fs . js : 176 : 21 ) { gyp verb `which` failed code : 'ENOENT' gyp verb `which` failed } gyp verb could not find "python" . checking python launcher gyp verb could not find "python" . guessing location gyp verb ensuring that file exists : C : \Python27\python . exe gyp ERR ! configure error gyp ERR ! stack Error : Can't find Python executable "python" , you can set the PYTHON env variable . gyp ERR ! stack at PythonFinder . failNoPython ( D : \programs\rubik - web\node_modules\node - gyp\lib\configure . js : 484 : 19 ) gyp ERR ! stack at PythonFinder . < anonymous > ( D : \programs\rubik - web\node_modules\node - gyp\lib\configure . js : 509 : 16 ) gyp ERR ! stack at callback ( D : \programs\rubik - web\node_modules\graceful - fs\polyfills . js : 295 : 20 ) gyp ERR ! stack at FSReqCallback . oncomplete ( fs . js : 176 : 21 ) gyp ERR ! System Windows_NT 10.0 .18363 gyp ERR ! command "C:\\Program Files\\nodejs\\node.exe" "D:\\programs\\rubik-web\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library=" gyp ERR ! cwd D : \programs\rubik - web\node_modules\node - sass gyp ERR ! node - v v14 . 5.0 gyp ERR ! node - gyp - v v3 . 8.0 gyp ERR ! not ok Build failed with error code : 1 npm WARN optional SKIPPING OPTIONAL DEPENDENCY : fsevents@ 1.2 .13 ( node_modules\fsevents ) : npm WARN notsup SKIPPING OPTIONAL DEPENDENCY : Unsupported platform for fsevents@ 1.2 .13 : wanted { "os" : "darwin" , "arch" : "any" } ( current : { "os" : "win32" , "arch" : "x64" } ) npm ERR ! code ELIFECYCLE npm ERR ! errno 1 npm ERR ! node - sass@ 4.14 .1 postinstall : `node scripts/build.js` npm ERR ! Exit status 1 npm ERR ! npm ERR ! Failed at the node - sass@ 4.14 .1 postinstall script . npm ERR ! This is probably not a problem with npm . There is likely additional logging output above . npm ERR ! A complete log of this run can be found in : npm ERR ! C : \Users\wangdan11\AppData\Roaming\npm - cache\_logs\ 2020 - 07 - 21 T06_55_31_581Z - debug . log

有问题，网上找，你踩的坑，前辈们应该早就踩过。

最终解决方案为：

npm install -g mirror-config-china --registry=http://registry.npm.taobao.org
npm install node-sass
npm install
OK，搞定了。
                    今天新启动一个项目，在 npm install 安装依赖项时出现报错。$ npm install&gt; husky@0.14.3 install D:\programs\rubik-web\node_modules\husky&gt; node ./bin/install.jshuskysetting up Git hooksdone&gt; node-sass@4.14.1 install D:\programs\rubik-web\node_modules\node-sass&
				最近新装了MacOS的最新版10.15，重新安装开发环境，nodejs安装的是最新的，再用npm 安装包时总会报 gyp ERR! 错
gyp ERR! configure error 
gyp ERR! stack Error: EACCES: permission denied, mkdir 
解决方法，在命令后加上–unsafe-perm
sudo npm install vue –unsafe-perm
该命令的相关官方文档地址：https://docs.npmjs.com/misc/config#unsafe-perm
 npm 出于安全考虑不支持以 root 用户运行，即使
				error E:\work\mbd-dp-dev\node_modules\node-sass: Command failed.
Exit code: 1
Command: node scripts/build.js
Arguments:
Directory: E:\work\mbd-dp-dev\node_modules\node-sass
Output:
Building: D:\Soft\code\ENV\node\node.exe E:\work\mbd-dp-dev\node_modules\n.
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 getNotFoundEr...
				gyp 报错 not found：python2
在使用vue-cli创建vue3项目时，安装依赖时，报错
npm ERR! gyp verb check python checking for Python executable "python2" in the PATH
npm ERR! gyp verb `which` failed Error: not found: python2
npm ERR! gyp verb `which` failed     at getNotFoundError (D
gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` failed Error: not found: python2
先去官网下载 python2.7，然后配置好系统环境变量
再执行以下命令设置config
npm install -g node-gyp
npm confi...
				删除 node_modules 文件夹。
在 Terminal 运行 npm install --global windows-build-tools --save
再安装node-sass npm install node-sass@4.12.0 --save（或指定版本）
到这里，错误应该就已经解决了，收到了 gyp info ok 的提示！
如果遇到 Node Sass could not find a binding for your current environment，再运行 npm reb.
				gyp info using node-gyp@3.8.0
npm ERR! gyp info using node@14.15.0 | win32 | x64
npm ERR! gyp verb command rebuild []
npm ERR! gyp verb command clean []
npm ERR! gyp verb clean removing "build" directory
npm ERR! gyp verb command configure []
npm ERR! gyp.
				先删除node_modules 文件夹。
在 Terminal 运行 npm install --global windows-build-tools --save命令
再输入node-sass npm install node-sass@4.12.0 --save（或指定版本）
然后再次运行看看结果，亲测是能够成功解决问题的。
PS：如果遇到了Node Sass could not find a binding for your current environment这个问题，输入npm rebuil.
				gyp verb check python checking for Python executable "python2.7" in the PATH
gyp verb `which` failed Error: not found: python2.7
gyp verb `which` failed     at getNotFoundError (D:\Code\renren-fast-vue\node_modules\which\which.js:13:12)
gyp verb `which` fa