WakaTime.PythonManager.TryGetPathFromMicrosoftRegister C# (CSharp) Method

        static string TryGetPathFromMicrosoftRegister()
        {
            try {
                var regex = new Regex (@"""([^""]*)\\([^""\\]+(?:\.[^"".\\]+))""");
                var pythonKey = Registry.ClassesRoot.OpenSubKey (@"Python.File\shell\open\command");
                var python = pythonKey.GetValue (null).ToString ();
                var match = regex.Match (python);

                if (!match.Success) {
                    return null;
                }

                var directory = match.Groups [1].Value;
                var fullPath = Path.Combine (directory, "pythonw.exe");

                ProcessStartInfo info = new ProcessStartInfo (fullPath, "--version");
                Process process = new Process ();
                process.StartInfo = info;

                if (!process.Start () || !process.StandardOutput.ReadLine ().Contains ("Python ")) {
                    return null;
                }

                PythonBinaryLocation = fullPath;
                return fullPath;
            } catch (Exception) {
                return null;
            }
        }