feat: source-dir for pyproject.toml (#323)

Adding source-dir.

---------

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

Author: henryiii

src/scikit_build_core/build/wheel.py

@@ -148,7 +148,7 @@ def _build_wheel_impl(
 
         config = CMaker(
             cmake,
-            source_dir=Path("."),
+            source_dir=Path(settings.cmake.source_dir or "."),
             build_dir=build_dir,
             build_type=settings.cmake.build_type,
         )

src/scikit_build_core/settings/skbuild_model.py

@@ -46,6 +46,10 @@ class CMakeSettings:
     #: "", etc.
     build_type: str = "Release"
 
+    #: The source directory to use when building the project. Currently only affects
+    #: the native builder (not the setuptools plugin).
+    source_dir: str = ""
+
 
 @dataclasses.dataclass
 class LoggingSettings:

tests/conftest.py

@@ -232,6 +232,17 @@ def package_simple_pyproject_ext(
     return package
 
 
+@pytest.fixture()
+def package_simple_pyproject_source_dir(
+    tmp_path: Path, monkeypatch: pytest.MonkeyPatch
+) -> PackageInfo:
+    package = PackageInfo(
+        "simple_pyproject_source_dir",
+    )
+    process_package(package, tmp_path, monkeypatch)
+    return package
+
+
 @pytest.fixture()
 def package_simple_setuptools_ext(
     tmp_path: Path, monkeypatch: pytest.MonkeyPatch

tests/packages/simple_pyproject_source_dir/LICENSE

@@ -0,0 +1,202 @@
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tests/packages/simple_pyproject_source_dir/pyproject.toml

@@ -0,0 +1,26 @@
+[build-system]
+requires = [
+    "scikit_build_core[rich]",
+    "pybind11",
+]
+build-backend = "scikit_build_core.build"
+
+[tool.scikit-build]
+cmake.source-dir = "src"
+
+[project]
+name = "cmake_example"
+version = "0.0.1"
+requires-python = ">=3.7"
+
+[project.optional-dependencies]
+test = ["pytest>=6.0"]
+
+[project.scripts]
+something = "other:callme"
+
+[project.gui-scripts]
+guithing = "a.b:c"
+
+[project.entry-points."one.two"]
+three = "four"

tests/packages/simple_pyproject_source_dir/src/CMakeLists.txt

@@ -0,0 +1,18 @@
+cmake_minimum_required(VERSION 3.15...3.26)
+project(
+  "${SKBUILD_PROJECT_NAME}"
+  LANGUAGES CXX
+  VERSION "${SKBUILD_PROJECT_VERSION}")
+
+find_package(
+  Python
+  COMPONENTS Interpreter Development.Module
+  REQUIRED)
+
+find_package(pybind11 CONFIG REQUIRED)
+pybind11_add_module(cmake_example main.cpp)
+
+target_compile_definitions(cmake_example
+                           PRIVATE VERSION_INFO=${PROJECT_VERSION})
+
+install(TARGETS cmake_example LIBRARY DESTINATION .)

tests/packages/simple_pyproject_source_dir/src/main.cpp

@@ -0,0 +1,38 @@
+#include <pybind11/pybind11.h>
+
+#define STRINGIFY(x) #x
+#define MACRO_STRINGIFY(x) STRINGIFY(x)
+
+int add(int i, int j) {
+    return i + j;
+}
+
+namespace py = pybind11;
+
+PYBIND11_MODULE(cmake_example, m) {
+    m.doc() = R"pbdoc(
+        Pybind11 example plugin
+        -----------------------
+        .. currentmodule:: cmake_example
+        .. autosummary::
+           :toctree: _generate
+           add
+           subtract
+    )pbdoc";
+
+    m.def("add", &add, R"pbdoc(
+        Add two numbers
+        Some other explanation about the add function.
+    )pbdoc");
+
+    m.def("subtract", [](int i, int j) { return i - j; }, R"pbdoc(
+        Subtract two numbers
+        Some other explanation about the subtract function.
+    )pbdoc");
+
+#ifdef VERSION_INFO
+    m.attr("__version__") = MACRO_STRINGIFY(VERSION_INFO);
+#else
+    m.attr("__version__") = "dev";
+#endif
+}

tests/test_pyproject_pep517.py

@@ -191,6 +191,54 @@ def test_pep517_wheel(virtualenv):
     assert add.strip() == "3"
 
 
+@pytest.mark.compile()
+@pytest.mark.configure()
+@pytest.mark.usefixtures("package_simple_pyproject_source_dir")
+def test_pep517_wheel_source_dir(virtualenv):
+    dist = Path("dist")
+    out = build_wheel("dist")
+    (wheel,) = dist.glob("cmake_example-0.0.1-*.whl")
+    assert wheel == dist / out
+
+    if sys.version_info >= (3, 8):
+        with wheel.open("rb") as f:
+            p = zipfile.Path(f)
+            file_names = [p.name for p in p.iterdir()]
+            metadata = p.joinpath("cmake_example-0.0.1.dist-info/METADATA").read_text()
+            entry_points = p.joinpath(
+                "cmake_example-0.0.1.dist-info/entry_points.txt"
+            ).read_text()
+
+        assert len(file_names) == 3
+        assert "cmake_example-0.0.1.dist-info" in file_names
+        file_names.remove("cmake_example-0.0.1.dist-info")
+        file_names.remove("LICENSE")
+        (so_file,) = file_names
+
+        assert so_file.startswith("cmake_example")
+        print("SOFILE:", so_file)
+
+        print(entry_points == ENTRYPOINTS)
+        assert 'Requires-Dist: pytest>=6.0; extra == "test"' in metadata
+        assert "Metadata-Version: 2.1" in metadata
+        assert "Name: cmake-example" in metadata
+        assert "Version: 0.0.1" in metadata
+        assert "Requires-Python: >=3.7" in metadata
+        assert "Provides-Extra: test" in metadata
+
+    virtualenv.install(wheel)
+
+    version = virtualenv.execute(
+        "import cmake_example; print(cmake_example.__version__)",
+    )
+    assert version.strip() == "0.0.1"
+
+    add = virtualenv.execute(
+        "import cmake_example; print(cmake_example.add(1, 2))",
+    )
+    assert add.strip() == "3"
+
+
 @pytest.mark.skip(reason="Doesn't work yet")
 @pytest.mark.compile()
 @pytest.mark.configure()