Can't find Executable Python

[Mutasem-Halawani]

error when installing node-sass

Z:\mutasemh\Desktop\bridge-to-europe>npm install

node-sass@4.7.2 install Z:\mutasemh\Desktop\bridge-to-europe\node_modules\node
-sass
node scripts/install.js

Downloading binary from https://github.com/sass/node-sass/releases/download/v4.7
.2/win32-x64-57_binding.node
Cannot download "https://github.com/sass/node-sass/releases/download/v4.7.2/win3
2-x64-57_binding.node":

tunneling socket could not be established, cause=Hostname/IP doesn't match certi
ficate's altnames: "Host: github.com. is not in the cert's altnames: DNS:a.sni.f
astly.net, DNS:a.sni.global-ssl.fastly.net"

Hint: If github.com is not accessible in your location
try setting a proxy via HTTP_PROXY, e.g.

  export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

  npm config set proxy http://example.com:8080

node-sass@4.7.2 postinstall Z:\mutasemh\Desktop\bridge-to-europe\node_modules
node-sass
node scripts/build.js

Building: C:\Program Files\nodejs\node.exe Z:\mutasemh\Desktop\bridge-to-europe
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 [ 'C:\Program Files\nodejs\node.exe',
gyp verb cli 'Z:\mutasemh\Desktop\bridge-to-europe\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 info using node-gyp@3.6.2
gyp info using node@8.9.1 | 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 (Z:\mutasemh\Desktop\bridge-to-e
urope\node_modules\which\which.js:13:12)
gyp verb which failed at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:68:19)
gyp verb which failed at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:80:29)
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\which\which.js:89:16
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\index.js:42:5
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:152:21)
gyp verb which failed python2 { Error: not found: python2
gyp verb which failed at getNotFoundError (Z:\mutasemh\Desktop\bridge-to-e
urope\node_modules\which\which.js:13:12)
gyp verb which failed at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:68:19)
gyp verb which failed at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:80:29)
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\which\which.js:89:16
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\index.js:42:5
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:152:21)
gyp verb which failed stack: 'Error: not found: python2\n at getNotFoundE
rror (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\which\which.js:13:
12)\n at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\which\whi
ch.js:68:19)\n at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\w
hich\which.js:80:29)\n at Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:89:16\n at Z:\mutasemh\Desktop\bridge-to-europe\node
modules\isexe\index.js:42:5\n at Z:\mutasemh\Desktop\bridge-to-europe\
node_modules\isexe\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:152:21)
',
gyp verb which failed 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 (Z:\mutasemh\Desktop\bridge-to-e
urope\node_modules\which\which.js:13:12)
gyp verb which failed at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:68:19)
gyp verb which failed at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:80:29)
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\which\which.js:89:16
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\index.js:42:5
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:152:21)
gyp verb which failed python { Error: not found: python
gyp verb which failed at getNotFoundError (Z:\mutasemh\Desktop\bridge-to-e
urope\node_modules\which\which.js:13:12)
gyp verb which failed at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:68:19)
gyp verb which failed at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modu
les\which\which.js:80:29)
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\which\which.js:89:16
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\index.js:42:5
gyp verb which failed at Z:\mutasemh\Desktop\bridge-to-europe\node_modules
\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:152:21)
gyp verb which failed stack: 'Error: not found: python\n at getNotFoundEr
ror (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\which\which.js:13:1
2)\n at F (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\which\whic
h.js:68:19)\n at E (Z:\mutasemh\Desktop\bridge-to-europe\node_modules\wh
ich\which.js:80:29)\n at Z:\mutasemh\Desktop\bridge-to-europe\node_modul
es\which\which.js:89:16\n at Z:\mutasemh\Desktop\bridge-to-europe\node
modules\isexe\index.js:42:5\n at Z:\mutasemh\Desktop\bridge-to-europe\n
ode_modules\isexe\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:152:21)'
,
gyp verb which failed 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 PYT
HON env variable.
gyp ERR! stack at PythonFinder.failNoPython (Z:\mutasemh\Desktop\bridge-to-e
urope\node_modules\node-gyp\lib\configure.js:483:19)
gyp ERR! stack at PythonFinder. (Z:\mutasemh\Desktop\bridge-to-eu
rope\node_modules\node-gyp\lib\configure.js:508:16)
gyp ERR! stack at Z:\mutasemh\Desktop\bridge-to-europe\node_modules\graceful
-fs\polyfills.js:284:29
gyp ERR! stack at FSReqWrap.oncomplete (fs.js:152:21)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "C:\Program Files\nodejs\node.exe" "Z:\mutasemh\Desktop\b
ridge-to-europe\node_modules\node-gyp\bin\node-gyp.js" "rebuild" "--verbose"
"--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd Z:\mutasemh\Desktop\bridge-to-europe\node_modules\node-sass
gyp ERR! node -v v8.9.1
gyp ERR! node-gyp -v v3.6.2
gyp ERR! not ok
Build failed with error code: 1
npm WARN Error: EPERM: operation not permitted, scandir 'Z:\mutasemh\Desktop\bri
dge-to-europe\node_modules\yargs-parser\node_modules'
npm WARN { Error: EPERM: operation not permitted, scandir 'Z:\mutasemh\Desktop
bridge-to-europe\node_modules\yargs-parser\node_modules'
npm WARN stack: 'Error: EPERM: operation not permitted, scandir 'Z:\mutasemh
\Desktop\bridge-to-europe\node_modules\yargs-parser\node_modules'',
npm WARN errno: -4048,
npm WARN code: 'EPERM',
npm WARN syscall: 'scandir',
npm WARN path: 'Z:\mutasemh\Desktop\bridge-to-europe\node_modules\yargs-p
arser\node_modules' }
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! node-sass@4.7.2 postinstall: node scripts/build.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the node-sass@4.7.2 postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional log
ging output above.

---

• NPM version (npm -v): 5.5.1

• Node version (node -v): 8.9.1

• Node Process (node -p process.versions):
  { http_parser: '2.7.0',
  node: '8.9.1',
  v8: '6.1.534.47',
  uv: '1.15.0',
  zlib: '1.2.11',
  ares: '1.10.1-DEV',
  modules: '57',
  nghttp2: '1.25.0',
  openssl: '1.0.2m',
  icu: '59.1',
  unicode: '9.0',
  cldr: '31.0.1',
  tz: '2017b' }

• Node Platform (node -p process.platform): win 32

• Node architecture (node -p process.arch): x64

• node-sass version (node -p "require('node-sass').info"):
  Error: Cannot find module 'node-sass'
  at Function.Module._resolveFilename (module.js:536:15)
  at Function.Module._load (module.js:466:25)
  at Module.require (module.js:579:17)
  at require (internal/module.js:11:18)
  at [eval]:1:1
  at ContextifyScript.Script.runInThisContext (vm.js:50:33)
  at Object.runInThisContext (vm.js:139:38)
  at Object. ([eval]-wrapper:6:22)
  at Module._compile (module.js:635:30)
  at evalScript (bootstrap_node.js:462:27)

• npm node-sass versions (npm ls node-sass):
  Z:\mutasemh\Desktop\bridge-to-europe>npm ls node-sass
  generator-frontend-webpack@1.0.0 Z:\mutasemh\Desktop\bridge-to-europe`-- (empty)

[nschonni]

The build requirements for windows are covered by the troubleshooting guide. NPM is also telling you how to fix the proxy issues if you want to use our pre-built binaries