python3Packages.silver-platter: init at 0.8.1

This adds the Python bindings that were previously in the repo as
`silver-platter` at the top level. These are Python version dependent
now, so they live inside the `python3Packages` subtree.

pkgs/by-name/si/silver-platter/package.nix

@@ -58,6 +58,10 @@ rustPlatform.buildRustPackage (finalAttrs: {
   doInstallCheck = true;
   nativeInstallCheckInputs = [ versionCheckHook ];
 
+  passthru.tests = {
+    python3-bindings = python3.pkgs.silver-platter;
+  };
+
   meta = {
     description = "Automate the creation of merge proposals for scriptable changes";
     homepage = "https://jelmer.uk/code/silver-platter";

pkgs/development/python-modules/silver-platter/default.nix

@@ -0,0 +1,64 @@
+{
+  lib,
+  stdenv,
+  buildPythonPackage,
+  pkgs,
+  pkg-config,
+  rustPlatform,
+  cargo,
+  rustc,
+  libiconv,
+  openssl,
+
+  setuptools,
+  setuptools-rust,
+  breezy,
+  dulwich,
+  jinja2,
+  pyyaml,
+  ruamel-yaml,
+}:
+
+let
+  inherit (pkgs) silver-platter;
+in
+buildPythonPackage {
+  inherit (silver-platter)
+    pname
+    version
+    src
+    cargoDeps
+    ;
+
+  pyproject = true;
+
+  dependencies = [
+    setuptools
+    breezy
+    dulwich
+    jinja2
+    pyyaml
+    ruamel-yaml
+  ];
+  nativeBuildInputs = [
+    setuptools-rust
+    rustPlatform.cargoSetupHook
+    cargo
+    rustc
+  ]
+  ++ lib.optionals stdenv.hostPlatform.isLinux [ pkg-config ];
+  buildInputs =
+    lib.optionals stdenv.hostPlatform.isLinux [ openssl ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
+
+  pythonImportsCheck = [ "silver_platter" ];
+
+  meta = {
+    inherit (silver-platter.meta)
+      description
+      homepage
+      license
+      maintainers
+      ;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -17327,6 +17327,8 @@ self: super: with self; {
 
   sigtools = callPackage ../development/python-modules/sigtools { };
 
+  silver-platter = callPackage ../development/python-modules/silver-platter { };
+
   simanneal = callPackage ../development/python-modules/simanneal { };
 
   simber = callPackage ../development/python-modules/simber { };