python310Packages.gmpy: use pyproject=true, clean up

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

@@ -1,28 +1,39 @@
-{ buildPythonPackage, fetchurl, isPyPy, gmp, pythonAtLeast } :
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  isPyPy,
+  pythonAtLeast,
+  setuptools,
+  gmp,
+}:
 
-let
+buildPythonPackage rec {
   pname = "gmpy";
   version = "1.17";
-  format = "setuptools";
-in
-
-buildPythonPackage {
-  inherit pname version;
+  pyproject = true;
 
   # Python 3.11 has finally made changes to its C API for which gmpy 1.17,
   # published in 2013, would require patching. It seems unlikely that any
   # patches will be forthcoming.
   disabled = isPyPy || pythonAtLeast "3.11";
 
-  src = fetchurl {
-    url = "mirror://pypi/g/gmpy/${pname}-${version}.zip";
-    sha256 = "1a79118a5332b40aba6aa24b051ead3a31b9b3b9642288934da754515da8fa14";
+  src = fetchFromGitHub {
+    owner = "aleaxit";
+    repo = "gmpy";
+    rev = "refs/tags/gmpy_${lib.replaceStrings [ "." ] [ "_" ] version}";
+    hash = "sha256-kMidOjhKJlDRu2qaiq9c+XcwD1tNAoPhRTvvGcOJe8I=";
   };
 
+  build-system = [ setuptools ];
+
   buildInputs = [ gmp ];
 
+  pythonImportsCheck = [ "gmpy" ];
+
   meta = {
     description = "GMP or MPIR interface to Python 2.4+ and 3.x";
     homepage = "https://github.com/aleaxit/gmpy/";
+    license = lib.licenses.lgpl21Plus;
   };
 }