protected JupyterRequestHandlerTestBase(ITestOutputHelper output)
{
_frontendEnvironment = new JupyterFrontendEnvironment();
_disposables.Add(output.SubscribeToPocketLogger());
_cSharpKernel = new CSharpKernel()
.UseDefaultFormatting()
.UseKernelHelpers()
.UseJupyterHelpers()
.UseMathAndLaTeX();
_fSharpKernel = new FSharpKernel()
.UseDefaultFormatting()
.UseKernelHelpers()
.UseDefaultNamespaces()
.UseMathAndLaTeX();
_compositeKernel = new CompositeKernel
{
_cSharpKernel,
_fSharpKernel
}
.UseDefaultMagicCommands();
_compositeKernel.UseFrontedEnvironment(context => _frontendEnvironment);
SetKernelLanguage(Language.CSharp);
_compositeKernel.Name = ".NET";
Kernel = _compositeKernel;
JupyterMessageSender = new RecordingJupyterMessageSender();
_disposables.Add(_compositeKernel);
_disposables.Add(Kernel.LogEventsToPocketLogger());
}
public static Parser Create(
IServiceCollection services,
StartServer startServer = null,
Jupyter jupyter = null,
StartKernelServer startKernelServer = null,
ITelemetry telemetry = null,
IFirstTimeUseNoticeSentinel firstTimeUseNoticeSentinel = null)
{
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
startServer ??= (startupOptions, invocationContext) =>
Program.ConstructWebHost(startupOptions).Run();
jupyter ??= JupyterCommand.Do;
startKernelServer ??= async(startupOptions, kernel, console) =>
{
var disposable = Program.StartToolLogging(startupOptions);
if (kernel is KernelBase kernelBase)
{
kernelBase.RegisterForDisposal(disposable);
}
var server = new StandardIOKernelServer(
kernel,
Console.In,
Console.Out);
await server.Input.LastAsync();
};
// Setup first time use notice sentinel.
firstTimeUseNoticeSentinel ??= new FirstTimeUseNoticeSentinel(VersionSensor.Version().AssemblyInformationalVersion);
// Setup telemetry.
telemetry ??= new Telemetry.Telemetry(
VersionSensor.Version().AssemblyInformationalVersion,
firstTimeUseNoticeSentinel);
var filter = new TelemetryFilter(Sha256Hasher.HashWithNormalizedCasing);
var verboseOption = new Option <bool>(
"--verbose",
"Enable verbose logging to the console");
var httpPortOption = new Option <int>(
"--http-port",
"Specifies the port on which to enable HTTP services");
var logPathOption = new Option <DirectoryInfo>(
"--log-path",
"Enable file logging to the specified directory");
var defaultKernelOption = new Option <string>(
"--default-kernel",
description: "The default language for the kernel",
getDefaultValue: () => "csharp");
var rootCommand = DotnetInteractive();
rootCommand.AddCommand(Jupyter());
rootCommand.AddCommand(KernelServer());
rootCommand.AddCommand(HttpServer());
return(new CommandLineBuilder(rootCommand)
.UseDefaults()
.UseMiddleware(async(context, next) =>
{
if (context.ParseResult.Errors.Count == 0)
{
telemetry.SendFiltered(filter, context.ParseResult);
}
// If sentinel does not exist, print the welcome message showing the telemetry notification.
if (!firstTimeUseNoticeSentinel.Exists() && !Telemetry.Telemetry.SkipFirstTimeExperience)
{
context.Console.Out.WriteLine();
context.Console.Out.WriteLine(Telemetry.Telemetry.WelcomeMessage);
firstTimeUseNoticeSentinel.CreateIfNotExists();
}
await next(context);
})
.Build());
RootCommand DotnetInteractive()
{
var command = new RootCommand
{
Name = "dotnet-interactive",
Description = "Interactive programming for .NET."
};
command.AddOption(logPathOption);
command.AddOption(verboseOption);
command.AddOption(httpPortOption);
return(command);
}
Command Jupyter()
{
var jupyterCommand = new Command("jupyter", "Starts dotnet-interactive as a Jupyter kernel")
{
defaultKernelOption,
logPathOption,
verboseOption,
new Argument <FileInfo>
{
Name = "connection-file"
}.ExistingOnly()
};
jupyterCommand.Handler = CommandHandler.Create <StartupOptions, JupyterOptions, IConsole, InvocationContext>(JupyterHandler);
var installCommand = new Command("install", "Install the .NET kernel for Jupyter")
{
logPathOption,
verboseOption
};
installCommand.Handler = CommandHandler.Create <IConsole, InvocationContext>(InstallHandler);
jupyterCommand.AddCommand(installCommand);
return(jupyterCommand);
Task <int> JupyterHandler(StartupOptions startupOptions, JupyterOptions options, IConsole console, InvocationContext context)
{
var frontendEnvironment = new JupyterFrontendEnvironment();
services.AddSingleton(c => ConnectionInformation.Load(options.ConnectionFile))
.AddSingleton(_ => frontendEnvironment)
.AddSingleton <FrontendEnvironmentBase>(_ => frontendEnvironment)
.AddSingleton(c =>
{
return(CommandScheduler.Create <JupyterRequestContext>(delivery => c.GetRequiredService <ICommandHandler <JupyterRequestContext> >()
.Trace()
.Handle(delivery)));
})
.AddSingleton(c => CreateKernel(options.DefaultKernel,
c.GetRequiredService <FrontendEnvironmentBase>(), startupOptions))
.AddSingleton(c => new JupyterRequestContextHandler(
c.GetRequiredService <IKernel>(),
c.GetRequiredService <JupyterFrontendEnvironment>())
.Trace())
.AddSingleton <IHostedService, Shell>()
.AddSingleton <IHostedService, Heartbeat>()
;
return(jupyter(startupOptions, console, startServer, context));
}
Task <int> InstallHandler(IConsole console, InvocationContext context) =>
new JupyterInstallCommand(console, new JupyterKernelSpec()).InvokeAsync();
}
Command HttpServer()
{
var startKernelHttpCommand = new Command("http", "Starts dotnet-interactive with kernel functionality exposed over http")
{
defaultKernelOption,
logPathOption,
};
startKernelHttpCommand.Handler = CommandHandler.Create <StartupOptions, KernelHttpOptions, IConsole, InvocationContext>(
(startupOptions, options, console, context) =>
{
var frontendEnvironment = new JupyterFrontendEnvironment();
services
.AddSingleton(c => CreateKernel(options.DefaultKernel, frontendEnvironment, startupOptions));
return(jupyter(startupOptions, console, startServer, context));
});
return(startKernelHttpCommand);
}
Command KernelServer()
{
var startKernelServerCommand = new Command(
"stdio",
"Starts dotnet-interactive with kernel functionality exposed over standard I/O")
{
defaultKernelOption,
logPathOption,
};
startKernelServerCommand.Handler = CommandHandler.Create <StartupOptions, KernelServerOptions, IConsole, InvocationContext>(
(startupOptions, options, console, context) => startKernelServer(
startupOptions,
CreateKernel(options.DefaultKernel,
new JupyterFrontendEnvironment(), startupOptions), console));
return(startKernelServerCommand);
}
}
