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ERR! configure error gyp ERR! stack Error Can't find Python executable "python", you can set the PYTHON env variable.

Node.js 在安装模块的时候报错,缺少python环境。

ERR! configure error gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.

错误信息如下:

D:\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate>node "D:\Program Files\nodejs\node_modules\npm\bin\node-gyp-bin\....\node_modules\node-gyp\bin\node-gyp.js" rebuild
ERR! configure error
gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.
gyp ERR! stack at failNoPython (D:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\configure.js:103:14)
gyp ERR! stack at D:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\lib\configure.js:64:11
gyp ERR! stack at Object.oncomplete (fs.js:107:15)
gyp ERR! System Windows_NT 6.2.9200
gyp ERR! command "node" "D:\Program Files\nodejs\node_modules\npm\node_modules\node-gyp\bin\node-gyp.js" "rebuild"
gyp ERR! cwd D:\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate
gyp ERR! node -v v0.10.29
gyp ERR! node-gyp -v v0.13.1
gyp ERR! not oks1.png

原因看node-gyp的安装需求,https://github.com/nodejs/node-gyp, 部分剪切如下,可以请求的看到需要安装python2.7(其实2.6也行)python3不行

You can install with npm:

$ npm install -g node-gyp

You will also need to install:

  • On Unix:

  • python (v2.7 recommended, v3.x.x is not supported)

  • make
  • A proper C/C++ compiler toolchain, like GCC
  • On Mac OS X:
    • You also need to install the Command Line Tools via Xcode. You can find this under the menu Xcode -> Preferences -> Downloads

  • This step will install gcc and the related toolchain containing make
  • python (v2.7 recommended, v3.x.x is not supported) (already installed on Mac OS X)
  • Xcode
  • On Windows:
  • You may need to run one of the following commands if your build complains about WindowsSDKDir not being set, and you are sure you have already installed the SDK:
  • Microsoft Visual Studio C++ 2013 for Windows Desktop (Express version works well)
  • Microsoft Visual Studio C++ 2013 (Express version works well)
  • If the install fails, try uninstalling any C++ 2010 x64&x86 Redistributable that you have installed first
  • If you get errors that the 64-bit compilers are not installed you may also need thecompiler update for the Windows SDK 7.1
  • Make sure that you have a PYTHON environment variable, and it is set to drive:\path\to\python.exe not to a folder
  • Python (v2.7.3 recommended, v3.x.x is not supported)
  • Windows XP/Vista/7:
  • Windows 7/8:
  • All Windows Versions
  • call "C:\Program Files\Microsoft SDKs\Windows\v7.1\bin\Setenv.cmd" /Release /x86
    call "C:\Program Files\Microsoft SDKs\Windows\v7.1\bin\Setenv.cmd" /Release /x64If you have multiple Python versions installed, you can identify which Python version node-gyp uses by setting the '–python' variable:

    $ node-gyp –python /path/to/python2.7

    If node-gyp is called by way of npm and you have multiple versions of Python installed, then you can set npm's 'python' config key to the appropriate value:

    $ npm config set python /path/to/executable/python2.7

    Note that OS X is just a flavour of Unix and so needs python, make, and C/C++. An easy way to obtain these is to install XCode from Apple, and then use it to install the command line tools (under Preferences -> Downloads).

    所以下载安装Python2.7就行了,记得配环境变量。

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