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{ lib, stdenv, fetchFromGitHub, buildPythonPackage, python, packaging, numpy
, cython, scipy, matplotlib, pytestCheckHook, pytest-rerunfailures }:
buildPythonPackage rec {
pname = "qutip";
version = "4.6.2";
src = fetchFromGitHub {
owner = pname;
repo = pname;
rev = "v${version}";
sha256 = "04g7ixq1yrrid4lliqbcamnzyw5r0fjbl8ipklps234hvsjfwmxb";
};
# QuTiP says it needs specific (old) Numpy versions. We overwrite them here
# as the tests work perfectly fine with up-to-date packages.
postPatch = ''
substituteInPlace setup.cfg --replace "numpy>=1.16.6,<1.20" "numpy>=1.16.6"
'';
# Disabling OpenMP support on Darwin.
setupPyGlobalFlags = lib.optional (!stdenv.isDarwin) "--with-openmp";
propagatedBuildInputs = [
packaging
numpy
cython
scipy
matplotlib
];
checkInputs = [
pytestCheckHook
pytest-rerunfailures
];
# - QuTiP tries to access the home directory to create an rc file for us.
# This of course fails and therefore, we provide a writable temp dir as HOME.
# - We need to go to another directory to run the tests from there.
# This is due to the Cython-compiled modules not being in the correct location
# of the source tree.
# - For running tests, see:
# https://qutip.org/docs/latest/installation.html#verifying-the-installation
checkPhase = ''
export OMP_NUM_THREADS=$NIX_BUILD_CORES
export HOME=$(mktemp -d)
mkdir -p test && cd test
${python.interpreter} -c "import qutip.testing; qutip.testing.run()"
'';
meta = with lib; {
description = "Open-source software for simulating the dynamics of closed and open quantum systems";
homepage = "https://qutip.org/";
license = licenses.bsd3;
maintainers = [ maintainers.fabiangd ];
};
}
|
