first pass at generating pyi stubs.

.gitignore

@@ -1,5 +1,5 @@
 *.dist-info
-*.pyd
+*.py[id]
 build/**
 tmp/*
-*.pyc
+*.pyc

scripts/generate_typing_stubs.py

@@ -0,0 +1,17 @@
+"""Generate stubs for cmdc
+
+For the script to run it needs the following:
+1. `pybind11-stubgen` has been installed in mayapy.
+    `mayapy -m pip install pybind11-stubgen`
+2. All the generated Types and functions to be declared 
+    before any of them are implemented. Or at least before being used as type arguments
+3. cmdc to be in the PYTHONPATH
+"""
+import pybind11_stubgen
+
+module = pybind11_stubgen.ModuleStubsGenerator("cmdc")
+
+module.parse() # this throws a bunch of warning and then freezes after some point.
+
+with open("build/cmdc.pyi", "w") as handle:
+    handle.write("\n".join(module.to_lines()))

src/ForwardDeclarations.inl

@@ -0,0 +1,23 @@
+py::class_<MAngle> Angle(m, "Angle");
+py::class_<MDAGDrawOverrideInfo> DAGDrawOverrideInfo(m, "DAGDrawOverrideInfo");
+py::class_<MDagPath> DagPath(m, "DagPath");
+py::class_<MDataBlock> DataBlock(m, "DataBlock");
+py::class_<MDataHandle> DataHandle(m, "DataHandle");
+py::class_<MDistance> Distance(m, "Distance");
+py::class_<MFn> Fn(m, "Fn");
+py::class_<MFnDependencyNode> FnDependencyNode(m, "FnDependencyNode");
+py::class_<MMatrix> Matrix(m, "Matrix");
+py::class_<MObject> Object(m, "Object");
+py::class_<MObjectHandle> ObjectHandle(m, "ObjectHandle");
+py::class_<MPlug> plug(m, "Plug");
+py::class_<MPoint> Point(m, "Point");
+py::class_<MPxData> PxData(m, "PxData");
+py::class_<MQuaternion> Quaternion(m, "Quaternion");
+py::class_<MSelectionList> SelectionList(m, "SelectionList");
+py::class_<MStatus> Status(m, "Status");
+py::class_<MString> String(m, "String");
+py::class_<MTime> Time(m, "Time");
+py::class_<MTypeId> TypeId(m, "TypeId");
+py::class_<MVector> Vector(m, "Vector");
+py::enum_<MFn::Type> fn_type(Fn, "Type");
+py::class_<MUuid> Uuid(m, "Uuid");

src/MDagPath.inl

@@ -1,4 +1,4 @@
-py::class_<MDagPath>(m, "DagPath")
+DagPath
     .def(py::init<>())
 
     .def(py::self == MDagPath())