python3Packages.uv-build: init at 0.6.6 (#388519)

pkgs/development/python-modules/uv-build/built-by-uv.nix

@@ -0,0 +1,22 @@
+{
+  buildPythonPackage,
+  uv,
+  uv-build,
+  anyio,
+  pytestCheckHook,
+}:
+buildPythonPackage {
+  pname = "built-by-uv";
+  version = "0.1.0";
+  pyproject = true;
+
+  src = "${uv.src}/scripts/packages/built-by-uv";
+
+  build-system = [ uv-build ];
+
+  dependencies = [ anyio ];
+
+  pythonImportsCheck = [ "built_by_uv" ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+}

pkgs/development/python-modules/uv-build/default.nix

@@ -0,0 +1,43 @@
+{
+  lib,
+  pkgs,
+  buildPythonPackage,
+  rustPlatform,
+  callPackage,
+}:
+
+buildPythonPackage {
+  pname = "uv-build";
+  pyproject = true;
+
+  inherit (pkgs.uv)
+    version
+    src
+    cargoDeps
+    cargoBuildFlags
+    ;
+
+  nativeBuildInputs = [
+    rustPlatform.cargoSetupHook
+    rustPlatform.maturinBuildHook
+  ];
+
+  buildAndTestSubdir = "crates/uv-build";
+
+  # $src/.github/workflows/build-binaries.yml#L139
+  maturinBuildFlags = [ "--profile=minimal-size" ];
+
+  pythonImportsCheck = [ "uv_build" ];
+
+  # The package has no tests
+  doCheck = false;
+
+  # Run the tests of a package built by `uv_build`.
+  passthru.tests.built-by-uv = callPackage ./built-by-uv.nix { inherit (pkgs) uv; };
+
+  meta = {
+    description = "A minimal build backend for uv";
+    inherit (pkgs.uv.meta) homepage changelog license;
+    maintainers = with lib.maintainers; [ bengsparks ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -18145,6 +18145,8 @@ self: super: with self; {
 
   uv = callPackage ../development/python-modules/uv { };
 
+  uv-build = callPackage ../development/python-modules/uv-build { };
+
   uv-dynamic-versioning = callPackage ../development/python-modules/uv-dynamic-versioning { };
 
   uvcclient = callPackage ../development/python-modules/uvcclient { };