python.pkgs.build: init at 0.0.3.1

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

@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, flit-core
+, toml
+, pep517
+, packaging
+, isPy3k
+, typing
+, pythonOlder
+, importlib-metadata
+}:
+
+buildPythonPackage rec {
+  pname = "build";
+  version = "0.0.3.1";
+
+  format = "pyproject";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "757b5542168326b6f1898a1ce1131bb2cf306ee4c7e54e39c815c5be217ff87d";
+  };
+
+  nativeBuildInputs = [
+    flit-core
+  ];
+
+  propagatedBuildInputs = [
+    toml
+    pep517
+    packaging
+  ] ++ lib.optionals (!isPy3k) [
+    typing
+  ] ++ lib.optionals (pythonOlder "3.8") [
+    importlib-metadata
+  ];
+
+  # No tests in archive
+  doCheck = false;
+
+  meta = {
+    description = "A simple, correct PEP517 package builder";
+    license = lib.licenses.mit;
+  };
+}

pkgs/top-level/python-packages.nix

@@ -534,6 +534,8 @@ in {
 
   breezy = callPackage ../development/python-modules/breezy { };
 
+  build = callPackage ../development/python-modules/build { };
+
   ciso8601 = callPackage ../development/python-modules/ciso8601 { };
 
   deepdiff = callPackage ../development/python-modules/deepdiff { };