Alltube\VideoDownload::__construct PHP Method

    public function __construct(Config $config = null)
    {
        if (isset($config)) {
            $this->config = $config;
        } else {
            $this->config = Config::getInstance();
        }
        $this->procBuilder = new ProcessBuilder();
        if (!is_file($this->config->youtubedl)) {
            throw new \Exception("Can't find youtube-dl at " . $this->config->youtubedl);
        } elseif (!is_file($this->config->python)) {
            throw new \Exception("Can't find Python at " . $this->config->python);
        }
        $this->procBuilder->setPrefix(array_merge([$this->config->python, $this->config->youtubedl], $this->config->params));
    }