Move everything to a package structure

.gitignore

@@ -1,4 +1,3 @@
 /*.pio.h
-protodemo
 /build
 *.egg-info

setup.py

@@ -11,7 +11,7 @@ __version__ = get_version()
 #   say from a submodule.
 
 ext_modules = [
-    Pybind11Extension("adafruit_blinka_raspberry_pi5_piomatter",
+    Pybind11Extension("adafruit_blinka_raspberry_pi5_piomatter._piomatter",
         ["src/pymain.cpp", "src/piolib/piolib.c", "src/piolib/pio_rp1.c"],
         define_macros = [('VERSION_INFO', __version__)],
         include_dirs = ['./src/include', './src/piolib/include'],
@@ -33,6 +33,8 @@ setup(
     cmdclass={"build_ext": build_ext},
     zip_safe=False,
     python_requires=">=3.11",
+    packages=['adafruit_blinka_raspberry_pi5_piomatter'],
+    package_dir={'adafruit_blinka_raspberry_pi5_piomatter': 'src/adafruit_blinka_raspberry_pi5_piomatter'},
     extras_require={
         'docs': ["sphinx", "sphinx-rtd-theme", "sphinxcontrib-jquery"],
     },

src/adafruit_blinka_raspberry_pi5_piomatter/__init__.py

@@ -0,0 +1,21 @@
+from ._piomatter import (
+    AdafruitMatrixBonnetRGB565,
+    AdafruitMatrixBonnetRGB888,
+    AdafruitMatrixBonnetRGB888Packed,
+    Colorspace,
+    Geometry,
+    Orientation,
+    Pinout,
+    PioMatter,
+)
+
+__all__ = [
+    'AdafruitMatrixBonnetRGB565',
+    'AdafruitMatrixBonnetRGB888',
+    'AdafruitMatrixBonnetRGB888Packed',
+    'Colorspace',
+    'Geometry',
+    'Orientation',
+    'Pinout',
+    'PioMatter',
+]

src/pymain.cpp

@@ -96,7 +96,7 @@ make_piomatter(Colorspace c, Pinout p, py::buffer buffer,
 }
 } // namespace
 
-PYBIND11_MODULE(adafruit_blinka_raspberry_pi5_piomatter, m) {
+PYBIND11_MODULE(_piomatter, m) {
     py::options options;
     options.enable_enum_members_docstring();
     options.enable_function_signatures();