public ReplWindowProxy ExecuteInInteractive(Project project, ReplWindowProxySettings settings = null)
{
// Prepare makes sure that IPython mode is disabled, and that the REPL is reset and cleared
var window = ReplWindowProxy.Prepare(this, settings, project.Name);
OpenSolutionExplorer().SelectProject(project);
ExecuteCommand("Python.ExecuteInInteractive");
return(window);
}
public SessionHolder(T session, ReplWindowProxy owner)
{
Assert.IsNotNull(session);
Session = session;
_owner = owner;
}
public static ReplWindowProxy Prepare(
PythonVisualStudioApp app,
ReplWindowProxySettings settings,
string projectName,
string workspaceName,
bool useIPython = false
)
{
settings.AssertValid();
ReplWindowProxy result = null;
try {
result = OpenInteractive(app, settings, projectName, workspaceName, useIPython ? IPythonBackend : StandardBackend);
app = null;
for (int retries = 10; retries > 0; --retries)
{
result.Reset();
result.ClearScreen();
result.ClearInput();
try {
var task = result.ExecuteText("print('READY')");
Assert.IsTrue(task.Wait(useIPython ? 30000 : 15000), "ReplWindow did not initialize in time");
if (!task.Result.IsSuccessful)
{
continue;
}
} catch (TaskCanceledException) {
continue;
}
if (useIPython)
{
// The longer we wait, the better are the chances of detecting this error
// This seems long enough to detect it when running locally
Thread.Sleep(500);
if (result.TextView.TextBuffer.CurrentSnapshot.Lines
.Any(l => l.GetText().Contains("Error using selected REPL back-end"))
)
{
Assert.Inconclusive("IPython is not available");
}
// In IPython mode, a help header appears at startup,
// but the output order is inconsistent, so we can't WaitForTextEnd
// (sometimes READY appears before help, sometimes after)
result.WaitForAnyLineContainsTextInternal("READY");
result.WaitForReadyForInput(TimeSpan.FromSeconds(5));
}
else
{
result.WaitForTextEnd("READY", ">");
}
result.ClearScreen();
return(result);
}
Assert.Fail("ReplWindow did not initialize");
return(null);
} finally {
if (app != null)
{
app.Dispose();
}
}
}
