Microsoft.Scripting.Hosting.ScriptRuntime.UseFile C# (CSharp) Méthode

        public ScriptScope UseFile(string path) {
            ContractUtils.RequiresNotEmpty(path, "path");
            string extension = Path.GetExtension(path);

            ScriptEngine engine;
            if (!TryGetEngineByFileExtension(extension, out engine)) {
                throw new ArgumentException(string.Format("File extension '{0}' is not associated with any language.", extension));
            }

            var searchPaths = engine.GetSearchPaths();
            if (searchPaths.Count == 0) {
                throw new InvalidOperationException(string.Format("No search paths defined for language '{0}'", engine.Setup.DisplayName));
            }

            // See if the file is already loaded, if so return the scope
            foreach (string searchPath in searchPaths) {
                string filePath = Path.Combine(searchPath, path);
                ScriptScope scope = engine.GetScope(filePath);
                if (scope != null) {
                    return scope;
                }
            }

            // Find the file on disk, then load it
            foreach (string searchPath in searchPaths) {
                string filePath = Path.Combine(searchPath, path);
                if (_manager.Platform.FileExists(filePath)) {
                    return ExecuteFile(filePath);
                }
            }

            // Didn't find the file, throw
            string allPaths = searchPaths.Aggregate((x, y) => x + ", " + y);
            throw new FileNotFoundException(string.Format("File '{0}' not found in language's search path: {1}", path, allPaths));
        }

        private void UpdateScript(string script)
        {
            LogTo.Debug("A script was changed - {0}", script);

            if (File.Exists(script))
            {
                _runtime.Shutdown();
                _runtime = Python.CreateRuntime();
                try
                {
                    _script = _runtime.UseFile(script);
                    LogTo.Info("Script loaded");
                    ScriptScope scope = _script;
                    dynamic parser = scope.GetVariable("ParserScript");
                    name = parser.Name;
                    version = parser.Version;
                    author = parser.Author;
                    LogTo.Info("Name: {0}, Version: {1}, Author: {2}", name, version, author);
                }
                catch (SyntaxErrorException e)
                {
                    LogTo.ErrorException("Syntax error", e);
                }
                catch (Exception e)
                {
                    LogTo.WarnException("Script error", e);
                }
            }
            else
            {
                LogTo.Error("Script not loaded (file doesn't exist)");
            }
        }