npm install 报错 npm ERR! gyp verb check python checking for Python executable "python2.7.15" in the

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> 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\2020-07-21T06_55_31_581Z-debug.log

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