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{
autoPatchelfHook,
buildPythonPackage,
cmake,
cython,
fetchFromGitHub,
h3,
lib,
ninja,
numpy,
pytestCheckHook,
pytest-cov-stub,
scikit-build-core,
stdenv,
}:
buildPythonPackage rec {
pname = "h3";
version = "4.3.1";
pyproject = true;
# pypi version does not include tests
src = fetchFromGitHub {
owner = "uber";
repo = "h3-py";
tag = "v${version}";
hash = "sha256-zt7zbBgSp2P9q7mObZeQZpW9Szip62dAYdPZ2cGTmi4=";
};
dontConfigure = true;
nativeCheckInputs = [
pytestCheckHook
pytest-cov-stub
];
build-system = [
scikit-build-core
cmake
cython
ninja
]
++ lib.optionals stdenv.hostPlatform.isLinux [
# On Linux the .so files ends up referring to libh3.so instead of the full
# Nix store path. I'm not sure why this is happening! On Darwin it works
# fine.
autoPatchelfHook
];
# This is not needed per-se, it's only added for autoPatchelfHook to work
# correctly. See the note above ^^
buildInputs = lib.optionals stdenv.hostPlatform.isLinux [ h3 ];
dependencies = [ numpy ];
# The following prePatch replaces the h3lib compilation with using the h3 packaged in nixpkgs.
#
# - Remove the h3lib submodule.
# - Patch CMakeLists to avoid building h3lib, and use h3 instead.
prePatch =
let
cmakeCommands = ''
include_directories(${lib.getDev h3}/include/h3)
link_directories(${h3}/lib)
'';
in
''
rm -r src/h3lib
substituteInPlace CMakeLists.txt \
--replace-fail "add_subdirectory(src/h3lib)" "${cmakeCommands}" \
--replace-fail "\''${CMAKE_CURRENT_BINARY_DIR}/src/h3lib/src/h3lib/include/h3api.h" "${lib.getDev h3}/include/h3/h3api.h"
'';
# Extra check to make sure we can import it from Python
pythonImportsCheck = [ "h3" ];
meta = {
homepage = "https://github.com/uber/h3-py";
description = "Hierarchical hexagonal geospatial indexing system";
license = lib.licenses.asl20;
maintainers = [ lib.maintainers.kalbasit ];
};
}
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