feat: add entrypoint for cmake modules dir

Signed-off-by: Henry Schreiner <[email protected]>

Author: henryiii

setup.py

@@ -144,6 +144,7 @@ def remove_output(*sources: str) -> Iterator[None]:
             stdout=sys.stdout,
             stderr=sys.stderr,
         )
+        Path("pybind11/share/cmake/pybind11/__init__.py").touch()
 
     txt = get_and_replace(setup_py, version=version, extra_cmd=extra_cmd)
     code = compile(txt, setup_py, "exec")

tests/extra_python_package/test_files.py

@@ -65,6 +65,7 @@
 }
 
 cmake_files = {
+    "share/cmake/pybind11/__init__.py",
     "share/cmake/pybind11/FindPythonLibsNew.cmake",
     "share/cmake/pybind11/pybind11Common.cmake",
     "share/cmake/pybind11/pybind11Config.cmake",

tools/setup_main.py.in

@@ -26,7 +26,7 @@ setup(
         "pybind11.include.pybind11.detail": ["*.h"],
         "pybind11.include.pybind11.eigen": ["*.h"],
         "pybind11.include.pybind11.stl": ["*.h"],
-        "pybind11.share.cmake.pybind11": ["*.cmake"],
+        "pybind11.share.cmake.pybind11": ["*.cmake", "*.py"],
         "pybind11.share.pkgconfig": ["*.pc"],
     },
     extras_require={
@@ -38,6 +38,9 @@ setup(
         ],
         "pipx.run": [
              "pybind11 = pybind11.__main__:main",
+        ],
+        "cmake.modules": [
+            "pybind11 = pybind11.share.cmake.pybind11",
         ]
     },
     cmdclass=cmdclass