npm - "Can't find Python executable "python", you can set the PYTHON env variable."
Try:
Install all the required tools and configurations using Microsoft's windows-build-tools by running npm install -g windows-build-tools from an elevated PowerShell (run as Administrator).
https://github.com/nodejs/node-gyp#on-windows
try
npm config set python D:\Library\Python\Python27\python.exe
You got to add python to your PATH variable. One thing you can do is Edit your Path variable now and add
;%PYTHON%;
Your variable PYTHON should point to the root directory of your python installation.