/// <summary>
/// This is more of a formality since the injected module loader already has the module loaded, but this gives us conformity with
/// the module importing system.
/// </summary>
/// <param name="spec">The module spec we will load.</param>
/// <returns>The loaded asset... which might be a PyModule wrapper if this is a namespace. Otherwise, the asset itself.</returns>
public async Task <object> Load(IInterpreter interpreter, FrameContext context, PyModuleSpec spec)
{
// Don't get too fixated on this being a module at the end of the day.
var module = PyModule.Create(spec.Name);
var clrContext = (ClrContext)spec.LoaderState;
// TODO: [CLR - OPTIMIZE GETATTR] Create a .NET PyModule interface overridding __getattr__ to do these lookups instead of stuffing the
// module with everything. Tackle that once this has settled down a bit and we know exactly what we're trying to do.
// Some LINQ magic could probably do this but I think I want to be able to step through it.
bool foundAny = false;
foreach (var assembly in clrContext.AddedReferences)
{
foreach (var type in assembly.GetTypes())
{
if (type.Namespace == spec.Name)
{
// TODO: [DISAMBIGUATE GENERIC IMPORTS] Replace clr generic type import with a more robust system that can manage Type<T> and Type<T, K>
// As it stands, they will collide here since we're removing the `# designator at the end. It would normally be:
// Type<T> -> Type`1
// Type<T, K> -> Type`2
//
// But we're collapsing them into just "Type"
var collapsedName = type.Name;
var genericParamQualifierIdx = collapsedName.IndexOf("`");
if (genericParamQualifierIdx >= 0)
{
collapsedName = collapsedName.Substring(0, genericParamQualifierIdx);
}
if (!module.__dict__.ContainsKey(collapsedName))
{
foundAny = true;
module.__dict__.Add(collapsedName, type);
}
}
}
}
// Maybe it's not a namespace!
if (!foundAny)
{
foreach (var assembly in clrContext.AddedReferences)
{
foreach (var type in assembly.GetTypes())
{
if (type.Name == spec.Name)
{
return(type);
}
}
}
}
return(module);
}
/// <summary>
/// Intended to be called once by the Cloaca interpreter to create the clr module in an injectable
/// module loader.
/// </summary>
/// <returns></returns>
public static PyModule CreateClrModule()
{
var internals = new ClrModuleInternals();
var module = PyModule.Create("clr");
var addReference = new WrappedCodeObject("AddReference", internals.GetType().GetMethod("EmbeddedAddReference"), internals);
module.__dict__.Add("AddReference", addReference);
module.__dict__.Add("References", internals.references);
return(module);
}
public async Task RootLevel()
{
var repo = new InjectedModuleRepository();
var fooModule = PyModule.Create("foo");
repo.AddNewModuleRoot(fooModule);
var fooSpec = repo.find_spec(null, "foo", null, null);
Assert.That(fooSpec, Is.Not.Null);
var fooLoaded = await fooSpec.Loader.Load(null, null, fooSpec);
Assert.That(fooLoaded, Is.EqualTo(fooModule));
}
/// <summary>
/// This is more of a formality since the injected module loader already has the module loaded, but this gives us conformity with
/// the module importing system.
/// </summary>
/// <param name="spec">The module spec we will load.</param>
/// <returns>The loaded asset... which might be a PyModule wrapper if this is a namespace. Otherwise, the asset itself.</returns>
public async Task <object> Load(IInterpreter interpreter, FrameContext context, PyModuleSpec spec)
{
// Don't get too fixated on this being a module at the end of the day.
var module = PyModule.Create(spec.Name);
var clrContext = (ClrContext)spec.LoaderState;
// TODO: [CLR - OPTIMIZE GETATTR] Create a .NET PyModule interface overridding __getattr__ to do these lookups instead of stuffing the
// module with everything. Tackle that once this has settled down a bit and we know exactly what we're trying to do.
// Some LINQ magic could probably do this but I think I want to be able to step through it.
bool foundAny = false;
foreach (var assembly in clrContext.AddedReferences)
{
foreach (var type in assembly.GetTypes())
{
if (type.Namespace == spec.Name)
{
if (!module.__dict__.ContainsKey(type.Name))
{
foundAny = true;
module.__dict__.Add(type.Name, type);
}
}
}
}
// Maybe it's not a namespace!
if (!foundAny)
{
foreach (var assembly in clrContext.AddedReferences)
{
foreach (var type in assembly.GetTypes())
{
if (type.Name == spec.Name)
{
return(type);
}
}
}
}
return(module);
}
public void setupFinders()
{
var repo = new InjectedModuleRepository();
fooModule = PyModule.Create("foo");
barModule = PyModule.Create("bar");
fooThing = PyString.Create("FooThing");
otherThing = PyString.Create("OtherThing");
fooModule.__dict__.Add("bar", barModule);
fooModule.__dict__.Add("FooThing", fooThing);
fooModule.__dict__.Add("OtherThing", otherThing);
foo2Module = PyModule.Create("foo2");
repo.AddNewModuleRoot(fooModule);
repo.AddNewModuleRoot(foo2Module);
moduleFinders = new List <ISpecFinder>();
moduleFinders.Add(repo);
}
public PyModule CreateModule()
{
var sysHandle = PyModule.Create("sys");
var schedulerHandle = PyModule.Create("scheduler");
var me = this.GetType();
var getActive = new WrappedCodeObject("get_active", me.GetMethod("getTasksActive"), this);
var getBlocked = new WrappedCodeObject("get_blocked", me.GetMethod("getTasksBlocked"), this);
var getUnblocked = new WrappedCodeObject("get_unblocked", me.GetMethod("getTasksUnblocked"), this);
var getYielded = new WrappedCodeObject("get_yielded", me.GetMethod("getTasksYielded"), this);
var schedule = new WrappedCodeObject("schedule", me.GetMethod("schedule"), this);
schedulerHandle.__dict__.Add(getActive.Name, getActive);
schedulerHandle.__dict__.Add(getBlocked.Name, getBlocked);
schedulerHandle.__dict__.Add(getUnblocked.Name, getUnblocked);
schedulerHandle.__dict__.Add(getYielded.Name, getYielded);
schedulerHandle.__dict__.Add(schedule.Name, schedule);
sysHandle.__dict__.Add("scheduler", schedulerHandle);
return(sysHandle);
}
public async Task SecondLevelNonModule()
{
// Exception should be something like:
// ModuleNotFoundError: No module named 'foo.bar.barstring'; 'foo.bar.barstring' is not a package
// They would be forced to use the "from foo.bar import barstring"
var repo = new InjectedModuleRepository();
var fooModule = PyModule.Create("foo");
var barModule = PyModule.Create("bar");
var barString = PyString.Create("bar string");
barModule.__dict__.Add("barstring", barString);
fooModule.__dict__.Add("bar", barModule);
repo.AddNewModuleRoot(fooModule);
var barStringSpec = repo.find_spec(null, "foo.bar.barstring", null, null);
Assert.That(barStringSpec, Is.Not.Null);
var barStringLoaded = await barStringSpec.Loader.Load(null, null, barStringSpec);
Assert.That(barStringLoaded, Is.EqualTo(barString));
}
public async Task SecondLevel()
{
var repo = new InjectedModuleRepository();
var fooModule = PyModule.Create("foo");
var barModule = PyModule.Create("bar");
fooModule.__dict__.Add("bar", barModule);
repo.AddNewModuleRoot(fooModule);
var fooSpec = repo.find_spec(null, "foo", null, null);
var barSpec = repo.find_spec(null, "foo.bar", null, null);
Assert.That(fooSpec, Is.Not.Null);
Assert.That(barSpec, Is.Not.Null);
var fooLoaded = await fooSpec.Loader.Load(null, null, fooSpec);
var barLoaded = await barSpec.Loader.Load(null, null, barSpec);
Assert.That(fooLoaded, Is.EqualTo(fooModule));
Assert.That(barLoaded, Is.EqualTo(barModule));
}
public async Task <object> Load(IInterpreter interpreter, FrameContext context, PyModuleSpec spec)
{
var foundPath = (string)spec.LoaderState;
var inFile = File.ReadAllText(foundPath);
var moduleCode = ByteCodeCompiler.Compile(inFile, new Dictionary <string, object>());
await interpreter.CallInto(context, moduleCode, new object[0]);
if (context.EscapedDotNetException != null)
{
throw context.EscapedDotNetException;
}
var moduleFrame = context.callStack.Pop();
var module = PyModule.Create(spec.Name);
for (int local_i = 0; local_i < moduleFrame.LocalNames.Count; ++local_i)
{
module.__setattr__(moduleFrame.LocalNames[local_i], moduleFrame.Locals[local_i]);
}
return(module);
}