python3Packages.guestfs: build and use from pkgs.libguestfs (#385635)

pkgs/by-name/li/libguestfs/package.nix

···
   jansson,
   getopt,
   perlPackages,
+  python3,
   ocamlPackages,
   libtirpc,
   appliance ? null,
···
       gperf
       makeWrapper
       pkg-config
+      python3
+      python3.pkgs.pycodestyle
       qemu
       zstd
     ]
···
     numactl
     libapparmor
     perlPackages.ModuleBuild
+    python3
     libtirpc
     zstd
     ocamlPackages.ocamlbuild
···
     "--enable-install-daemon"
     "--disable-appliance"
     "--with-distro=NixOS"
+    "--with-python-installdir=${placeholder "out"}/${python3.sitePackages}"
     "--with-readline"
     "CPPFLAGS=-I${lib.getDev libxml2}/include/libxml2"
     "INSTALL_OCAMLLIB=${placeholder "out"}/lib/ocaml"

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

···
-{
-  lib,
-  pythonAtLeast,
-  buildPythonPackage,
-  fetchurl,
-  libguestfs,
-  qemu,
-}:
-
-buildPythonPackage rec {
-  pname = "guestfs";
-  version = "1.40.2";
-  format = "setuptools";
-
-  # FIXME: "error: implicit declaration of function 'PyEval_ThreadsInitialized'"
-  # https://bugzilla.redhat.com/show_bug.cgi?id=2343777
-  disabled = pythonAtLeast "3.13";
-
-  src = fetchurl {
-    url = "http://download.libguestfs.org/python/guestfs-${version}.tar.gz";
-    hash = "sha256-GCKwkhrIXPz0hPrwe3YrhlEr6TuDYQivDzpMlZ+CAzI=";
-  };
-
-  propagatedBuildInputs = [
-    libguestfs
-    qemu
-  ];
-
-  # no tests
-  doCheck = false;
-  pythonImportsCheck = [ "guestfs" ];
-
-  meta = with lib; {
-    homepage = "https://libguestfs.org/guestfs-python.3.html";
-    description = "Use libguestfs from Python";
-    license = licenses.lgpl2Plus;
-    maintainers = with maintainers; [ grahamc ];
-    inherit (libguestfs.meta) platforms;
-  };
-}

pkgs/top-level/python-packages.nix

···
 
   guessit = callPackage ../development/python-modules/guessit { };
 
-  guestfs = callPackage ../development/python-modules/guestfs { qemu = pkgs.qemu; };
+  guestfs = toPythonModule (
+    pkgs.libguestfs.override {
+      python3 = python;
+    }
+  );
 
   guidance = callPackage ../development/python-modules/guidance { };