XadillaX / detect-python-interpreter / 2552445609
github
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9 of 10 branches covered (90.0%)
Branch coverage included in aggregate %.
34 of 36 relevant lines covered (94.44%)
6.25 hits per line
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'use strict';
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const cp = require('child_process');
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let interpreter; |
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function doDetect() { |
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const interpreterOptions = [ 'python3', 'python', 'python2' ]; |
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for (const opt of interpreterOptions) {
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const result = cp.spawnSync(opt, [ '--version' ], {
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encoding: 'utf-8', |
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}); |
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if (result.status === 0) { |
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return opt;
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} |
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} |
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return null; |
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} |
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exports.detect = function detect() { |
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if (interpreter) {
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return interpreter;
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} |
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interpreter = doDetect(); |
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if (!interpreter) {
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throw new Error('Python interpreter not found'); |
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} |
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return interpreter;
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}; |
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exports.clearCache = function clearCache() { |
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interpreter = null;
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}; |
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