{ lib, stdenv, buildPythonPackage, fetchPypi, # nativeBuildInputs cmake, # build-system setuptools, # buildInputs mujoco, pybind11, # dependencies absl-py, etils, glfw, numpy, pyopengl, perl, python, }: buildPythonPackage rec { pname = "mujoco"; inherit (mujoco) version; pyproject = true; # We do not fetch from the repository because the PyPi tarball is # impurely build via # # in the project's CI. src = fetchPypi { inherit pname version; hash = "sha256-3WF/QMHARPXff7yTM9MJTTyIYp1OPYYiTly0LeQKaos="; }; nativeBuildInputs = [ cmake ]; dontUseCmakeConfigure = true; build-system = [ setuptools ]; buildInputs = [ mujoco pybind11 ]; dependencies = [ absl-py etils glfw numpy pyopengl ]; pythonImportsCheck = [ "${pname}" ]; env.MUJOCO_PATH = "${mujoco}"; env.MUJOCO_PLUGIN_PATH = "${mujoco}/lib"; env.MUJOCO_CMAKE_ARGS = lib.concatStringsSep " " [ "-DMUJOCO_SIMULATE_USE_SYSTEM_GLFW=ON" "-DMUJOCO_PYTHON_USE_SYSTEM_PYBIND11=ON" ]; preConfigure = # Use non-system eigen3, lodepng, abseil: Remove mirror info and prefill # dependency directory. $build from setuptools. ( let # E.g. 3.11.2 -> "311" pythonVersionMajorMinor = with lib.versions; "${major python.pythonVersion}${minor python.pythonVersion}"; # E.g. "linux-aarch64" platform = with stdenv.hostPlatform.parsed; "${kernel.name}-${cpu.name}"; in '' ${perl}/bin/perl -0777 -i -pe "s/GIT_REPO\n.*\n.*GIT_TAG\n.*\n//gm" mujoco/CMakeLists.txt ${perl}/bin/perl -0777 -i -pe "s/(FetchContent_Declare\(\n.*lodepng\n.*)(GIT_REPO.*\n.*GIT_TAG.*\n)(.*\))/\1\3/gm" mujoco/simulate/CMakeLists.txt build="/build/${pname}-${version}/build/temp.${platform}-cpython-${pythonVersionMajorMinor}/" mkdir -p $build/_deps ln -s ${mujoco.pin.lodepng} $build/_deps/lodepng-src ln -s ${mujoco.pin.eigen3} $build/_deps/eigen-src ln -s ${mujoco.pin.abseil-cpp} $build/_deps/abseil-cpp-src '' ); meta = { description = "Python bindings for MuJoCo: a general purpose physics simulator"; homepage = "https://mujoco.org/"; changelog = "https://github.com/google-deepmind/mujoco/releases/tag/${version}"; license = lib.licenses.asl20; maintainers = with lib.maintainers; [ GaetanLepage tmplt ]; }; }