/// <summary>
/// Thread function used to run the IronPython engine in a different thread.
/// This thread will run until the IConsole implementation of this window will return
/// null from the ReadLine method.
/// </summary>
private void InitializeEngine()
{
// Get the engine provider service to set this console window as the console
// object associated with the shared engine.
IPythonEngineProvider engineProvider = (IPythonEngineProvider)globalProvider.GetService(typeof(IPythonEngineProvider));
if (null != engineProvider)
{
IEngine engine = engineProvider.GetSharedEngine();
engine.StdErr = textStream;
engine.StdOut = textStream;
string version = string.Format(System.Globalization.CultureInfo.CurrentCulture,
Resources.EngineVersionFormat,
engine.Version.Major,
engine.Version.Minor,
engine.Version.Build);
// Write engine version end copyright on the console.
using (StreamWriter writer = new StreamWriter(textStream as Stream))
{
writer.WriteLine(version);
writer.WriteLine(engine.Copyright);
}
// Create the buffer that will handle the commands to the engine.
inputBuffer = new CommandBuffer(engine);
}
}
/// <summary>
/// Thread function used to run the IronPython engine in a different thread.
/// This thread will run until the IConsole implementation of this window will return
/// null from the ReadLine method.
/// </summary>
private void InitializeEngine()
{
// Get the engine provider service to set this console window as the console
// object associated with the shared engine.
IPythonEngineProvider engineProvider = (IPythonEngineProvider)globalProvider.GetService(typeof(IPythonEngineProvider));
if (null != engineProvider)
{
IEngine engine = engineProvider.GetSharedEngine();
engine.StdErr = textStream;
engine.StdOut = textStream;
string version = string.Format(System.Globalization.CultureInfo.CurrentCulture,
Resources.EngineVersionFormat,
engine.Version.Major,
engine.Version.Minor,
engine.Version.Build);
// Remove the read-only flag from the text buffer.
uint flags;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.GetStateFlags(out flags));
flags &= ~(uint)Microsoft.VisualStudio.TextManager.Interop.BUFFERSTATEFLAGS.BSF_USER_READONLY;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
textLines.SetStateFlags(flags));
// Write engine version end copyright on the console.
using (StreamWriter writer = new StreamWriter(textStream as Stream))
{
writer.WriteLine(version);
writer.WriteLine(engine.Copyright);
}
// Create the buffer that will handle the commands to the engine.
inputBuffer = new CommandBuffer(engine);
}
}
public void SharedEngineVariables()
{
using (OleServiceProvider provider = new OleServiceProvider())
{
// Create an engine provider with an empty service provider.
IPythonEngineProvider engineProvider = CreateEngineProvider(provider);
// Get the shared engine.
IEngine engine = engineProvider.GetSharedEngine();
// The "engine" variable should always be defined.
object engObj = engine.Evaluate("engine");
Assert.IsNotNull(engObj);
// The "dte" variable should be set to null.
object dte = engine.Evaluate("dte");
Assert.IsNull(dte);
// Now add the EnvDTE.DTE service to the service provider.
BaseMock dteMock = MockFactories.DTEFactory.GetInstance();
provider.AddService(typeof(EnvDTE.DTE), dteMock, false);
// Create a new engine provider.
engineProvider = CreateEngineProvider(provider);
// Get the shared engine.
engine = engineProvider.GetSharedEngine();
// The "engine" variable should always be defined.
engObj = engine.Evaluate("engine");
Assert.IsNotNull(engObj);
// Now the "dte" variable should be set.
dte = engine.Evaluate("dte");
Assert.IsNotNull(dte);
}
}
public void SharedEngineTest()
{
IPythonEngineProvider engineProvider = CreateEngineProvider(null);
// Verify that the shared engine is created.
IEngine engineObj = engineProvider.GetSharedEngine();
Assert.IsNotNull(engineObj);
// Verify that the object returned by GetSharedEngine is always the same.
IEngine newEngine = engineProvider.GetSharedEngine();
Assert.IsTrue(newEngine.Equals(engineObj));
}
public void CreateNewEngineTest()
{
IPythonEngineProvider engineProvider = CreateEngineProvider(null);
// Verify that the engine is created.
object firstEngine = engineProvider.CreateNewEngine();
Assert.IsNotNull(firstEngine);
// Verify that every call to CreateNewEngine returns a different object.
object secondEngine = engineProvider.CreateNewEngine();
Assert.IsNotNull(secondEngine);
Assert.IsFalse(firstEngine.Equals(secondEngine));
}
