// Constructed via reflection when deserialized from the registry.
public RemotePythonEvaluator()
{
_factory = CreateFactory();
}
public override void Restart()
{
WriteLine("Remote process has exited, restarting...");
_factory = CreateFactory();
Start();
_factory.CommandDispatcher = _engine.GetService<PythonService>(_engine).GetLocalCommandDispatcher();
var changed = AvailableScopesChanged;
if (changed != null) {
changed(this, EventArgs.Empty);
}
}
public void Scenario_RemoteScriptFactory()
{
using (var factory = RemotePythonEvaluator.CreateFactory()) {
var runtime = (ScriptRuntime)factory.CreateRuntime(Python.CreateRuntimeSetup(new Dictionary<string, object>()));
StringWriter writer = new StringWriter();
StringWriter errWriter = new StringWriter();
runtime.IO.SetOutput(Stream.Null, writer);
factory.SetConsoleOut(writer);
factory.SetConsoleError(errWriter);
// verify print goes to the correct output
var engine = runtime.GetEngine("Python");
engine.Execute("print 'hello'");
var builder = writer.GetStringBuilder();
AreEqual(builder.ToString(), "hello\r\n");
builder.Clear();
// verify Console.WriteLine is redirected
engine.Execute("import System\nSystem.Console.WriteLine('hello')\n");
AreEqual(builder.ToString(), "hello\r\n");
builder.Clear();
// verify Console.Error.WriteLine is redirected to stderr
var errBuilder = errWriter.GetStringBuilder();
engine.Execute("import System\nSystem.Console.Error.WriteLine('hello')\n");
AreEqual(errBuilder.ToString(), "hello\r\n");
errBuilder.Clear();
// raise an exception, should be propagated back
try {
engine.Execute("import System\nraise System.ArgumentException()\n");
AreEqual(true, false);
} catch (ArgumentException) {
}
/*
// verify that all code runs on the same thread
var scope = engine.CreateScope();
engine.Execute("import System");
List<object> res = new List<object>();
for (int i = 0; i < 100; i++) {
ThreadPool.QueueUserWorkItem(
(x) => {
object value = engine.Execute("System.Threading.Thread.CurrentThread.ManagedThreadId", scope);
lock (res) {
res.Add(value);
}
});
}
while (res.Count != 100) {
Thread.Sleep(100);
}
for (int i = 1; i < res.Count; i++) {
if (!res[i - 1].Equals(res[i])) {
throw new Exception("running on multiple threads");
}
}*/
// create a long running work item, execute it, and then make sure we can continue to execute work items.
ThreadPool.QueueUserWorkItem(x => {
engine.Execute("while True: pass");
});
Thread.Sleep(1000);
factory.Abort();
AreEqual(engine.Execute("42"), 42);
}
// check starting on an MTA thread
using (var factory = new RemoteScriptFactory(ApartmentState.MTA)) {
var runtime = (ScriptRuntime)factory.CreateRuntime(Python.CreateRuntimeSetup(new Dictionary<string, object>()));
var engine = runtime.GetEngine("Python");
AreEqual(engine.Execute("import System\nSystem.Threading.Thread.CurrentThread.ApartmentState == System.Threading.ApartmentState.MTA"), true);
}
// check starting on an STA thread
using (var factory = new RemoteScriptFactory(ApartmentState.STA)) {
var runtime = (ScriptRuntime)factory.CreateRuntime(Python.CreateRuntimeSetup(new Dictionary<string, object>()));
var engine = runtime.GetEngine("Python");
AreEqual(engine.Execute("import System\nSystem.Threading.Thread.CurrentThread.ApartmentState == System.Threading.ApartmentState.STA"), true);
}
}
// Constructed via reflection when deserialized from the registry.
public RemoteRubyEvaluator()
{
_factory = CreateFactory();
}
public override void Restart()
{
WriteLine("Remote process has exited, restarting...");
_factory = CreateFactory();
Start();
var changed = AvailableScopesChanged;
if (changed != null) {
changed(this, EventArgs.Empty);
}
}
public override void Reset()
{
// TODO: strange text buffer behavior (race condition?)
// WriteLine("Remote process has been reset...");
_factory.Shutdown();
_factory = CreateFactory();
Start();
var changed = AvailableScopesChanged;
if (changed != null) {
changed(this, EventArgs.Empty);
}
}