{ lib, buildPythonPackage, cacert, fetchFromGitHub, setuptools, pytestCheckHook, }: buildPythonPackage (finalAttrs: { pname = "certifi"; version = "2026.04.22"; pyproject = true; src = fetchFromGitHub { owner = "certifi"; repo = "python-certifi"; tag = finalAttrs.version; hash = "sha256-bGeOrYd7ZUG0VIbgRiYIBK3JDRC5wpST5IrFHyWO/cg="; }; patches = [ # Add support for NIX_SSL_CERT_FILE ./env.patch ]; postPatch = '' # Use our system-wide ca-bundle instead of the bundled one rm -v "certifi/cacert.pem" ln -snvf "${cacert}/etc/ssl/certs/ca-bundle.crt" "certifi/cacert.pem" ''; nativeBuildInputs = [ setuptools ]; propagatedNativeBuildInputs = [ # propagate cacerts setup-hook to set up `NIX_SSL_CERT_FILE` cacert ]; nativeCheckInputs = [ pytestCheckHook ]; pythonImportsCheck = [ "certifi" ]; meta = { homepage = "https://github.com/certifi/python-certifi"; description = "Python package for providing Mozilla's CA Bundle"; license = lib.licenses.isc; maintainers = with lib.maintainers; [ koral ]; }; })