internal ReplWindowProxy(PythonVisualStudioApp app, ReplWindow window, ReplWindowProxySettings settings)
{
Assert.IsNotNull(app, "app is required");
Assert.IsNotNull(window, "window is required");
_app = app;
_window = window;
_settings = settings;
_replWindowInfo = _replWindows.GetOrCreateValue(_window);
_window.ReadyForInput += _replWindowInfo.OnReadyForInput;
_editorOperations = _app.ComponentModel.GetService <IEditorOperationsFactoryService>()
.GetEditorOperations(_window.TextView);
}
public static ReplWindowProxy Prepare(
ReplWindowProxySettings settings,
bool useIPython = false
)
{
settings.Version.AssertInstalled();
var app = new PythonVisualStudioApp();
ReplWindowProxy result = null;
try {
var wnd = OpenInteractive(app, settings, useIPython ? "IPython" : "Standard");
result = new ReplWindowProxy(app, wnd, settings);
app = null;
result.Window.Reset();
result.ClearInput();
for (int retries = 10; retries > 0; --retries)
{
result.Window.Reset();
try {
var task = result.Window.Evaluator.ExecuteText("print('READY')");
Assert.IsTrue(task.Wait(useIPython ? 30000 : 10000), "ReplWindow did not initialize in time");
if (!task.Result.IsSuccessful)
{
continue;
}
} catch (TaskCanceledException) {
continue;
}
result.WaitForTextEnd("READY", ">");
if (result.TextView.TextBuffer.CurrentSnapshot.Lines
.Any(l => l.GetText().Contains("Error using selected REPL back-end")) &&
useIPython)
{
Assert.Inconclusive("IPython is not available");
}
result.ClearScreen();
result.ClearHistory();
return(result);
}
Assert.Fail("ReplWindow did not initialize");
return(null);
} finally {
if (app != null)
{
app.Dispose();
}
}
}
private static void Run(PythonVisualStudioApp app, SendToStep[] inputs, ReplWindowProxySettings settings, EditorWindow doc, EnvDTE.Window window, string projectName = null, string workspaceName = null)
{
window.Activate();
doc.MoveCaret(new SnapshotPoint(doc.TextView.TextBuffer.CurrentSnapshot, 0));
app.WaitForCommandAvailable("Python.SendSelectionToInteractive", TimeSpan.FromSeconds(15));
var interactive = ReplWindowProxy.Prepare(app, settings, projectName, workspaceName, useIPython: false);
interactive.ExecuteText("42").Wait();
interactive.ClearScreen();
WaitForText(interactive.TextView, ">>> ");
var state = new StepState(interactive, app, doc, window);
state.Content.Append(">>> ");
foreach (var input in inputs)
{
input.Execute(state);
}
}
private static ReplWindow OpenInteractive(
PythonVisualStudioApp app,
ReplWindowProxySettings settings,
string executionMode
)
{
string description = null;
if (settings.Version.IsCPython)
{
description = string.Format("{0} {1}",
settings.Version.Isx64 ? CPythonInterpreterFactoryConstants.Description64 : CPythonInterpreterFactoryConstants.Description32,
settings.Version.Version.ToVersion()
);
}
else if (settings.Version.IsIronPython)
{
description = string.Format("{0} {1}",
settings.Version.Isx64 ? "IronPython 64-bit" : "IronPython",
settings.Version.Version.ToVersion()
);
}
Assert.IsNotNull(description, "Unknown interpreter");
var automation = (IVsPython)app.Dte.GetObject("VsPython");
var options = ((IPythonOptions)automation).GetInteractiveOptions(description);
Assert.IsNotNull(options, "Could not find options for " + description);
options.InlinePrompts = settings.InlinePrompts;
options.UseInterpreterPrompts = settings.UseInterpreterPrompts;
options.PrimaryPrompt = settings.PrimaryPrompt;
options.SecondaryPrompt = settings.SecondaryPrompt;
options.EnableAttach = settings.EnableAttach;
var oldExecutionMode = options.ExecutionMode;
app.OnDispose(() => options.ExecutionMode = oldExecutionMode);
options.ExecutionMode = executionMode;
bool success = false;
for (int retries = 1; retries < 20; ++retries)
{
try {
app.ExecuteCommand("Python.Interactive", "/e:\"" + description + "\"");
success = true;
break;
} catch (AggregateException) {
}
app.DismissAllDialogs();
app.SetFocus();
Thread.Sleep(retries * 100);
}
Assert.IsTrue(success, "Unable to open " + description + " through DTE");
var provider = app.ComponentModel.GetService <IReplWindowProvider>();
var interpreters = app.ComponentModel.GetService <IInterpreterOptionsService>();
var replId = PythonReplEvaluatorProvider.GetReplId(
interpreters.FindInterpreter(settings.Version.Id, settings.Version.Version.ToVersion())
);
var interactive = provider.FindReplWindow(replId) as ReplWindow;
if (interactive == null)
{
// This is a failure, since we check if the environment is
// installed in TestInitialize().
Assert.Fail("Need " + description);
}
return(interactive);
}
