70 lines
2 KiB
Nix
70 lines
2 KiB
Nix
{ lib, stdenv, fetchFromGitHub, buildPythonPackage, python, packaging, numpy
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, cython, scipy, matplotlib, pytestCheckHook, pytest-rerunfailures
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, doCheck ? false
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}:
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let
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self = buildPythonPackage rec {
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pname = "qutip";
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version = "4.6.3";
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src = fetchFromGitHub {
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owner = pname;
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repo = pname;
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rev = "v${version}";
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sha256 = "sha256-11K7Tl7PE98nM2vGsa+OKIJYu0Wmv8dT700PDt9RRVk=";
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};
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# QuTiP says it needs specific (old) Numpy versions. We overwrite them here
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# as the tests work perfectly fine with up-to-date packages.
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postPatch = ''
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substituteInPlace setup.cfg --replace "numpy>=1.16.6,<1.20" "numpy>=1.16.6"
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'';
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# Disabling OpenMP support on Darwin.
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setupPyGlobalFlags = lib.optional (!stdenv.isDarwin) "--with-openmp";
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propagatedBuildInputs = [
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packaging
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numpy
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cython
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scipy
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matplotlib
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];
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checkInputs = [
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pytestCheckHook
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pytest-rerunfailures
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];
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# test suite is very cpu intensive
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inherit doCheck;
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# - QuTiP tries to access the home directory to create an rc file for us.
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# This of course fails and therefore, we provide a writable temp dir as HOME.
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# - We need to go to another directory to run the tests from there.
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# This is due to the Cython-compiled modules not being in the correct location
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# of the source tree.
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# - For running tests, see:
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# https://qutip.org/docs/latest/installation.html#verifying-the-installation
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checkPhase = ''
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export OMP_NUM_THREADS=$NIX_BUILD_CORES
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export HOME=$(mktemp -d)
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mkdir -p test && cd test
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${python.interpreter} -c "import qutip.testing; qutip.testing.run()"
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'';
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pythonImportsCheck = [ "qutip" ];
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passthru.tests = {
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all-tests = self.override { doCheck = true; };
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};
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meta = with lib; {
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description = "Open-source software for simulating the dynamics of closed and open quantum systems";
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homepage = "https://qutip.org/";
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license = licenses.bsd3;
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maintainers = [ maintainers.fabiangd ];
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};
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};
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in self
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