問題描述

構建vue.js項目，下載依賴的node-sass模塊。但不管npm install還是單獨npm install node-sass都報找不到python的錯誤。

$ npm installnpm WARN prefer global [email protected] should be installed with -g> [email protected] install E:workspace_vscodeyijianyiv1node_modulesnode-sass> node scripts/install.jsDownloading binary from https://github.com/sass/node-sass/releases/download/v4.5 .2/win32-x64-48_binding.nodeCannot download 'https://github.com/sass/node-sass/releases/download/v4.5.2/win3 2-x64-48_binding.node':connect ETIMEDOUT 54.231.72.83:443Timed out whilst downloading the prebuilt binaryHint: If github.com is not accessible in your location try setting a proxy via HTTP_PROXY, e.g. export HTTP_PROXY=http://example.com:1234or configure npm proxy via npm config set proxy http://example.com:8080> [email protected] postinstall E:workspace_vscodeyijianyiv1node_modulesnode-sass> node scripts/build.jsBuilding: D:nodejsnode.exe E:workspace_vscodeyijianyiv1node_modulesnode-gypbinnode-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_l dflags= --libsass_library=gyp info it worked if it ends with okgyp verb cli [ ’D:nodejsnode.exe’,gyp verb cli ’E:workspace_vscodeyijianyiv1node_modulesnode-gypbinnode-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 info using [email protected] info using [email protected] | win32 | x64gyp verb command rebuild []gyp verb command clean []gyp verb clean removing 'build' directorygyp verb command configure []gyp verb check python checking for Python executable 'python2' in the PATHgyp verb `which` failed Error: not found: python2gyp verb `which` failed at getNotFoundError (E:workspace_vscodeyijianyiv1 node_moduleswhichwhich.js:13:12)gyp verb `which` failed at F (E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:68:19)gyp verb `which` failed at E (E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:80:29)gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:89:16gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_modulesisexeindex.js:42:5gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_modulesisexewindows.js:36:5gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:123:15)gyp verb `which` failed python2 { Error: not found: python2gyp verb `which` failed at getNotFoundError (E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:13:12)gyp verb `which` failed at F (E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:68:19)gyp verb `which` failed at E (E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:80:29)gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_moduleswhichwhich.js:89:16gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_modulesisexeindex.js:42:5gyp verb `which` failed at E:workspace_vscodeyijianyiv1node_modulesisexewindows.js:36:5gyp verb `which` failed at FSReqWrap.oncomplete (fs.js:123:15) code: ’ENOENT’ }gyp verb check python checking for Python executable 'python' in the PATHgyp verb `which` succeeded python D:Pythonpython.EXEgyp verb check python version `D:Pythonpython.EXE -c 'import platform; print(platform.python_version());'` returned: '3.6.1rn'gyp verb could not find 'D:Pythonpython.EXE'. checking python launchergyp verb could not find 'D:Pythonpython.EXE'. guessing locationgyp verb ensuring that file exists: C:Python27python.exegyp ERR! configure errorgyp ERR! stack Error: Can’t find Python executable 'D:Pythonpython.EXE', you can set the PYTHON env variable.gyp ERR! stack at Object.failNoPython (E:workspace_vscodeyijianyiv1node_modulesnode-gyplibconfigure.js:482:19)gyp ERR! stack at Object.<anonymous> (E:workspace_vscodeyijianyiv1node_modulesnode-gyplibconfigure.js:508:16)gyp ERR! stack at E:workspace_vscodeyijianyiv1node_modulesgraceful-fspolyfills.js:284:29gyp ERR! stack at FSReqWrap.oncomplete (fs.js:123:15)gyp ERR! System Windows_NT 6.1.7601gyp ERR! command 'D:nodejsnode.exe' 'E:workspace_vscodeyijianyiv1node_modulesnode-gypbinnode-gyp.js' 'rebuild' '--verbose' '--libsass_ext=' '--l ibsass_cflags=' '--libsass_ldflags=' '--libsass_library='gyp ERR! cwd E:workspace_vscodeyijianyiv1node_modulesnode-sassgyp ERR! node -v v6.9.5gyp ERR! node-gyp -v v3.6.0gyp ERR! not okBuild failed with error code: [email protected] E:workspace_vscodeyijianyiv1+-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| `-- [email protected]+-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| +-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| | +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| `-- [email protected]+-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| | `-- [email protected]| | `-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| `-- [email protected]+-- [email protected]+-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | +-- 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[email protected]| | +-- [email protected]| | +-- [email protected]| | +-- [email protected]| | +-- [email protected]| | +-- [email protected]| | +-- [email protected]| | | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | +-- [email protected]| | | +-- [email protected]| | | | +-- [email protected]| | | | `-- [email protected]| | | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | `-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| | +-- [email protected]| | +-- [email protected]| | | +-- [email protected]| | | | `-- [email protected]| | | | `-- [email protected]| | | +-- [email protected]| | | `-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | `-- [email protected]| | +-- [email protected]| | | +-- [email protected]| | | `-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| `-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| | `-- [email protected]| +-- [email protected]| | `-- [email protected]| | +-- [email protected]| | | `-- [email protected]| | | `-- [email protected]| | +-- [email protected]| | | +-- [email protected]| | | +-- [email protected]| | | | `-- [email protected]| | | `-- [email protected]| | | +-- [email protected]| | | | `-- [email protected]| | | `-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | +-- [email protected]| | `-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| `-- [email protected]+-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| +-- [email protected]| +-- [email protected]| +-- [email protected]| | `-- [email protected]| `-- [email protected]+-- [email protected]+-- [email protected]| +-- [email protected]| +-- [email protected]| `-- [email protected]`-- [email protected] WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@^1.0.0 (node_modulesch okidarnode_modulesfsevents):npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@ 1.1.1: wanted {'os':'darwin','arch':'any'} (current: {'os':'win32','arch':'x64'} )npm ERR! Windows_NT 6.1.7601npm ERR! argv 'D:nodejsnode.exe' 'D:nodejsnode_modulesnpmbinnpm-cl i.js' 'install'npm ERR! node v6.9.5npm ERR! npm v3.10.10npm ERR! code ELIFECYCLEnpm ERR! [email protected] postinstall: `node scripts/build.js`npm ERR! Exit status 1npm ERR!npm ERR! Failed at the [email protected] postinstall script ’node scripts/build.js ’.npm ERR! Make sure you have the latest version of node.js and npm installed.npm ERR! If you do, this is most likely a problem with the node-sass package,npm ERR! not with npm itself.npm ERR! Tell the author that this fails on your system:npm ERR! node scripts/build.jsnpm ERR! You can get information on how to open an issue for this project with:npm ERR! npm bugs node-sassnpm ERR! Or if that isn’t available, you can get their info via:npm ERR! npm owner ls node-sassnpm ERR! There is likely additional logging output above.npm ERR! Please include the following file with any support request:npm ERR! E:workspace_vscodeyijianyiv1npm-debug.log

重點是我本地已經安裝了Python了 ，DOS命令下是執行python，輸出如下：

C:UsersAdministrator>pythonPython 3.6.1 (v3.6.1:69c0db5, Mar 21 2017, 18:41:36) [MSC v.1900 64 bit (AMD64)] on win32Type 'help', 'copyright', 'credits' or 'license' for more information.>>>

問題解答

表示node-sass并不需要python2...我特意把環境變量清空，把python和node都刪除，重新安裝了python3.6.1(64x)和nodejsv6.10.2然后用cnpm install node-sass --save-dev就直接裝上并且可以正常編譯sassscss了。。

node-sass是4.5.2，直接cnpm就安裝成功了

node-sass編譯需要python2

你裝的是python3

這個考慮兩方面：1、py及其版本2、墻

1.安裝python2.7

2.npm rebuild node-sass

Python3和Python2確實有版本差異，刪除3后安裝2（python-2.7.6.msi）

cnpm install node-sass --save-dev