Use the nixpkgs-provided pyopenssl

nix/pyopenssl.nix

@@ -1,10 +0,0 @@
-{ pyopenssl, fetchPypi, isPyPy }:
-pyopenssl.overrideAttrs (old: rec {
-  pname = "pyOpenSSL";
-  version = "24.1.0";
-  name = "${pname}-${version}";
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "yr7Uv6pd+fGhbA72Sgy2Uxi1zQd6ftp9aXATHKL0Gm8=";
-  };
-})

nix/python-overrides.nix

@@ -58,13 +58,6 @@ in {
     patches = (old.patches or []) ++ [ ./twisted.patch ];
   });
 
-  # Update the version of pyopenssl - and since we're doing that anyway, we
-  # don't need the docs.  Unfortunately this triggers a lot of rebuilding of
-  # dependent packages.
-  pyopenssl = dontBuildDocs (self.callPackage ./pyopenssl.nix {
-    inherit (super) pyopenssl;
-  });
-
   # The cryptography that we get from nixpkgs to satisfy the pyopenssl upgrade
   # that we did breaks service-identity ... so get a newer version that works.
   service-identity = self.callPackage ./service-identity.nix { };

nix/service-identity.nix

@@ -1,61 +0,0 @@
-{ lib
-, attrs
-, buildPythonPackage
-, cryptography
-, fetchFromGitHub
-, hatch-fancy-pypi-readme
-, hatch-vcs
-, hatchling
-, idna
-, pyasn1
-, pyasn1-modules
-, pytestCheckHook
-, pythonOlder
-, setuptools
-}:
-
-buildPythonPackage rec {
-  pname = "service-identity";
-  version = "23.1.0";
-  format = "pyproject";
-
-  disabled = pythonOlder "3.8";
-
-  src = fetchFromGitHub {
-    owner = "pyca";
-    repo = pname;
-    rev = "refs/tags/${version}";
-    hash = "sha256-PGDtsDgRwh7GuuM4OuExiy8L4i3Foo+OD0wMrndPkvo=";
-  };
-
-  nativeBuildInputs = [
-    hatch-fancy-pypi-readme
-    hatch-vcs
-    hatchling
-    setuptools
-  ];
-
-  propagatedBuildInputs = [
-    attrs
-    cryptography
-    idna
-    pyasn1
-    pyasn1-modules
-  ];
-
-  nativeCheckInputs = [
-    pytestCheckHook
-  ];
-
-  pythonImportsCheck = [
-    "service_identity"
-  ];
-
-  meta = with lib; {
-    description = "Service identity verification for pyOpenSSL";
-    homepage = "https://service-identity.readthedocs.io";
-    changelog = "https://github.com/pyca/service-identity/releases/tag/${version}";
-    license = licenses.mit;
-    maintainers = with maintainers; [ fab ];
-  };
-}