snips-sam/src/utils/exec.ts

The Snips Assistant Manager

import { SkillLang } from '../models/language';
const shell = require('shelljs');

export class Exec {

    static exec(language: SkillLang | undefined, actionBlock: string, slots: {[name: string]: string}): any | undefined {
        switch (language) {
            case SkillLang.PYTHON:
                return Exec.pythonExec(actionBlock, slots);
            default:
                break;
        }
    }

    static pythonExec(actionBlock: string, slots: {[name: string]: string}): any {
        let actionBlockReplaced = actionBlock.replace(/tts_service.speak\(/g, `print('TTS says: ' + `);
        for (const slotName in slots) {
            const slotValue = slots[slotName];
            const regex = new RegExp(`intent.${slotName}`, 'g');
            actionBlockReplaced = actionBlockReplaced.replace(regex, slotValue);
        }

        const code = `<<EOF\n${actionBlock}\nEOF`;

        return shell.exec(`python - ${code}`, { async: true, silent: true });
    }
}