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/*
* mongo-edu
*
* Copyright (c) 2014 Przemyslaw Pluta
* Licensed under the MIT license.
* https://github.com/przemyslawpluta/mongo-edu/blob/master/LICENSE
*/
var which = require('which'),
colors = require('colors'),
glob = require('glob');
module.exports = function configure(argv, callback) {
'use strict';
var python = argv.py || process.env.PYTHON || 'python',
isWin = /^win/.test(process.platform);
function checkPython() {
which(python, function whichTest(err) {
if (err !== null) {
if (isWin) { guessPython(); } else { failNoPython(); }
} else {
process.env.PYTHON = python;
callback(null);
}
});
}
function guessPython() {
glob('\\Python**\\python.exe', function find(err, files) {
if (err !== null) { return callback(err); }
if (!files.length) { return failNoPython(); }
python = files.shift();
process.env.PYTHON = python;
callback(null);
});
}
function failNoPython() {
console.log('[' + 'i'.red + '] Can\'t find Python executable ' + python.red + '. Check if Python installed ... if so set the ' + 'PYTHON'.green + ' env variable.');
process.exit(0);
}
checkPython();
};
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