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2023-12-18 09:00:00

Node.js:由于node-sass和node-gyp, Python没有发现异常

突然在我的一个jenkins环境构建已经开始失败，而在本地机器，它似乎工作得很好，因为我有python安装，

从日志中，我能够检测到问题是内部依赖关系，即node-gyp v3.5.0从node-sass v3.8.0，当我通过访问这篇关于node-gyp的文章进行研究时，我发现了Python需要安装的先决条件。

所以我的问题是，我可以安装哪个版本的node-sass来绕过这个，或者有更好的解决方案，因为我的构建在相同的环境上运行良好，直到今天早上。

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

任何想法都非常感激，谢谢。

当前回答

我的答案可能并不适用于所有人。 节点版本号:v10.16.0 NPM: 6.9.0

我在使用node-sass和node-sass-中间件时遇到了很多麻烦。它们是有趣的包，因为它们被广泛使用(每周有数百万次下载)，但它们的github显示出有限的依赖性和覆盖范围。我当时正在更新自己开发的一个旧平台。

我最后不得不做的是:

1)手动删除node_modules

2)手动删除package-lock.json

3) sudo NPM install node-sass——not - safe-perm=true——allow-root

4) sudo NPM install node-sass-middleware——not - safe-perm=true——allow-root

我得到了以下帮助，谢谢!

未为grpc@1.10.1和node@10.9.0找到预构建的二进制文件

错误:EACCES:当尝试使用npm安装ESLint时，权限被拒绝

2020-01-31 17:56:10

其他回答

对于yarn项目，使用"yarn install——ignore-engines"忽略节点版本将安装任何node-sass v.而不会出现这些python错误

2021-04-05 11:05:05

Node-sass在安装时尝试为平台下载二进制文件。节点5由3.8 https://github.com/sass/node-sass/releases/tag/v3.8.0支持 如果你的Jenkins无法下载预构建的二进制文件，那么你需要遵循Node-gyp README上的平台要求(Python2, VS或MSBuild，…) 如果可能的话，我建议将Node更新到至少6，因为Node不再支持5了。 如果你想升级到8，你需要将node-sass更新到4.5.3

2017-08-22 00:51:13

您需要按照以下步骤来修复该错误:

    1: DELETE node_modules
    2: npm install node-sass@<version-as-per-below-table>
    3. npm install

每个node-sass版本都对应于特定的Node.JS版本。

下面是node-sass的最小和最大支持版本的快速指南(查看下表的更新):

| NodeJS  | Supported node-sass version | Node Module |
|---------|-----------------------------|-------------|
| Node 16 | 6.0+                        | 93          |
| Node 15 | 5.0+                        | 88          |
| Node 14 | 4.14+                       | 83          |
| Node 13 | 4.13+, <5.0                 | 79          |
| Node 12 | 4.12+                       | 72          |
| Node 11 | 4.10+, <5.0                 | 67          |
| Node 10 | 4.9+, <6.0                  | 64          |
| Node 8  | 4.5.3+, <5.0                | 57          |
| Node <8 | <5.0                        | <57         |
2021-09-09 14:54:28

node-gyp需要旧的Python 2 - link

如果你没有安装它-检查其他关于安装windows-build-tools的答案。

如果您像我一样，同时安装了旧版本和新版本的Python, node-gyp很可能会尝试使用Python 3。这将导致以下SyntaxError:无效语法错误。

我找到了一篇关于安装两个Python版本的文章。他们建议重命名Python 2。*可执行文件到python2.exe - link。

因此，node-gyp似乎希望找到重命名的旧Python 2可执行文件。因此出现错误消息:

...
gyp verb check python checking for Python executable "python2" in the PATH
gyp verb `which` failed Error: not found: python2
...

一旦我将C:\Python27\python.exe重命名为C:\Python27\python2.exe，它就能正常工作，没有错误。

当然，C:\Python27\和C:\Python39\都必须在PATH变量中。并且不需要在npm配置中设置旧的Python版本。你的默认Python仍然是新的。

2020-10-30 15:23:49

windows 11机器的一个简单解决方案是，

删除package-lock。Json文件和node_modules/文件夹。 以管理员身份打开Windows终端。 执行命令npm i -g node-sass。 进入项目文件夹并运行npm install 现在用npm start运行项目

2022-07-03 05:14:39

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