Node.js：npm install时出错 check python checking for Python executable “python2“ in the PATH

1、问题描述

Building: G:\nodejs\node.exe F:\Carrie\Luxsens\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   'G:\\nodejs\\node.exe',
gyp verb cli   'F:\\Carrie\\Luxsens\\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 [email protected]
gyp info using [email protected] | 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 (F:\Carrie\Luxsens\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (F:\Carrie\Luxsens\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (F:\Carrie\Luxsens\node_modules\which\which.js:80:29)
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\which\which.js:89:16
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:158:21)
gyp verb `which` failed  python2 Error: not found: python2
gyp verb `which` failed     at getNotFoundError (F:\Carrie\Luxsens\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (F:\Carrie\Luxsens\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (F:\Carrie\Luxsens\node_modules\which\which.js:80:29)
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\which\which.js:89:16
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\isexe\index.js:42:5
gyp verb `which` failed     at F:\Carrie\Luxsens\node_modules\isexe\windows.js:36:5
gyp verb `which` failed     at FSReqCallback.oncomplete (fs.js:158:21) {
gyp verb `which` failed   stack: 'Error: not found: python2\n' +
gyp verb `which` failed     '    at getNotFoundError (F:\\Carrie\\Luxsens\\node_modules\\which\\which.js:13:12)\n' +
gyp verb `which` failed     '    at F (F:\\Carrie\\Luxsens\\node_modules\\which\\which.js:68:19)\n' +
gyp verb `which` failed     '    at E (F:\\Carrie\\Luxsens\\node_modules\\which\\which.js:80:29)\n' +
gyp verb `which` failed     '    at F:\\Carrie\\Luxsens\\node_modules\\which\\which.js:89:16\n' +
gyp verb `which` failed     '    at F:\\Carrie\\Luxsens\\node_modules\\isexe\\index.js:42:5\n' +
gyp verb `which` failed     '    at F:\\Carrie\\Luxsens\\node_modules\\isexe\\windows.js:36:5\n' +
gyp verb `which` failed     '    at FSReqCallback.oncomplete (fs.js:158:21)',
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` succeeded python G:\Python\Python37-32\python.EXE
gyp ERR! configure error
gyp ERR! stack Error: Command failed: G:\Python\Python37-32\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack   File "", line 1
gyp ERR! stack     import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack                                ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack
gyp ERR! stack     at ChildProcess.exithandler (child_process.js:295:12)
gyp ERR! stack     at ChildProcess.emit (events.js:210:5)
gyp ERR! stack     at maybeClose (internal/child_process.js:1021:16)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:283:5)
gyp ERR! System Windows_NT 10.0.18362
gyp ERR! command "G:\\nodejs\\node.exe" "F:\\Carrie\\Luxsens\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsas
s_library="
gyp ERR! cwd F:\Carrie\Luxsens\node_modules\node-sass
gyp ERR! node -v v12.13.0
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN [email protected] requires a peer of ajv@^5.0.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] postinstall: `node scripts/build.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] 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\Administrator\AppData\Roaming\npm-cache\_logs\2019-11-18T07_33_10_767Z-debug.log

Process finished with exit code 1

---

2、解决

1. 删除您的node_modules文件夹。
2. npm install --global windows-build-tools --save在命令提示符下运行
3. 使用以下命令安装node-sass ：（npm install [email protected] --save或最新版本）
   这应该可以解决错误并给您返回gyp info ok消息！
4. 如果遇到Node Sass could not find a binding for your current environment，请运行以下命令来解决该问题：npm rebuild node-sass