Node.js：由于node-sass和node-gyp而找不到Python异常

Question

突然在我的jenkins环境之一中，构建开始失败，而在本地计算机中，由于安装了python，它似乎运行良好，

从日志中我能检测到的问题是内部的依赖是 节点GYP V3.5.0 从 节点萨斯v3.8.0
当我访问研究，这约节点GYP，发现先决条件的Python需要安装。

所以我的问题是，我可以安装哪个版本的node-sass来绕过此进程，或者有更好的解决方案，因为直到今天早上我的构建在同一环境上都可以正常运行。

节点v5.10.1

错误日志

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 (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:80:29)
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:89:16
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\index.js:44:5
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\windows.js:29:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:82:15)
gyp verb `which` failed  python2 { [Error: not found: python2] code: 'ENOENT' }
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 (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:13:12)
gyp verb `which` failed     at F (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:68:19)
gyp verb `which` failed     at E (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:80:29)
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\which\which.js:89:16
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\index.js:44:5
gyp verb `which` failed     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\isexe\windows.js:29:5
gyp verb `which` failed     at FSReqWrap.oncomplete (fs.js:82:15)
gyp verb `which` failed  python { [Error: not found: python] code: 'ENOENT' }
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 Object.failNoPython (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-gyp\lib\configure.js:454:19)
gyp ERR! stack     at Object.<anonymous> (C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-gyp\lib\configure.js:480:16)
gyp ERR! stack     at C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\graceful-fs\polyfills.js:284:29
gyp ERR! stack     at FSReqWrap.oncomplete (fs.js:82:15)
gyp ERR! System Windows_NT 6.3.9600
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files (x86)\\Jenkins\\jobs\\NdbSite-hot-fix-Manual-PreBuild\\workspace\\src\\NdbSite.UI\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd C:\Program Files (x86)\Jenkins\jobs\NdbSite-hot-fix-Manual-PreBuild\workspace\src\NdbSite.UI\node_modules\node-sass
gyp ERR! node -v v5.10.1
gyp ERR! node-gyp -v v3.5.0
gyp ERR! not ok 
Build failed

任何想法都非常感谢，谢谢。

Answer 1

安装时，Node-sass会尝试为您的平台下载二进制文件。3.8支持节点5 https://github.com/sass/node-
sass/releases/tag/v3.8.0
如果您的Jenkins无法下载预构建的二进制文件，那么您需要遵循Node-
gyp上的平台要求自述文件（Python2，VS或MSBuild，…）如果可能的话，我建议将您的Node更新到至少6，因为Node不再支持5。如果要升级到8，则需要将node-
sass更新为4.5.3