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{ autoPatchelfHook
, buildPythonPackage
, cmake
, cython
, fetchFromGitHub
, h3
, lib
, numpy
, pytestCheckHook
, scikit-build
, stdenv
}:
buildPythonPackage rec {
pname = "h3";
version = "3.7.6";
format = "setuptools";
# pypi version does not include tests
src = fetchFromGitHub {
owner = "uber";
repo = "h3-py";
rev = "refs/tags/v${version}";
hash = "sha256-QNiuiHJ4IMxpi39iobPSSlYUUj5oxpxO4B2+HXVQ/Zk=";
};
dontConfigure = true;
nativeCheckInputs = [ pytestCheckHook ];
nativeBuildInputs = [
scikit-build cmake cython
] ++ lib.optionals stdenv.hostPlatform.isLinux [
# On Linux the .so files ends up referring to libh3.so instead of the full
# Nix store path. I'm not sure why this is happening! On Darwin it works
# fine.
autoPatchelfHook
];
# This is not needed per-se, it's only added for autoPatchelfHook to work
# correctly. See the note above ^^
buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ h3 ];
propagatedBuildInputs = [ numpy ];
# The following prePatch replaces the h3lib compilation with using the h3 packaged in nixpkgs.
#
# - Remove the h3lib submodule.
# - Patch CMakeLists to avoid building h3lib, and use h3 instead.
prePatch =
let
cmakeCommands = ''
include_directories(${lib.getDev h3}/include/h3)
link_directories(${h3}/lib)
'';
in ''
rm -r src/h3lib
substituteInPlace CMakeLists.txt --replace "add_subdirectory(src/h3lib)" "${cmakeCommands}"
'';
# Extra check to make sure we can import it from Python
pythonImportsCheck = [ "h3" ];
meta = with lib; {
homepage = "https://github.com/uber/h3-py";
description = "Hierarchical hexagonal geospatial indexing system";
license = licenses.asl20;
maintainers = [ maintainers.kalbasit ];
};
}
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