{ lib , buildPythonPackage , fetchPypi , fetchpatch , glibcLocales , mpmath }: buildPythonPackage rec { pname = "sympy"; version = "1.4"; # Upgrades may break sage. Please test or ping @timokau. src = fetchPypi { inherit pname version; sha256 = "1q937csy8rd18pk2fz1ssj7jyj7l3rjx4nzbiz5vcymfhrb1x8bi"; }; checkInputs = [ glibcLocales ]; propagatedBuildInputs = [ mpmath ]; # tests take ~1h doCheck = false; patches = [ # to be fixed by https://github.com/sympy/sympy/pull/13476 (fetchpatch { url = "https://git.sagemath.org/sage.git/plain/build/pkgs/sympy/patches/03_undeffun_sage.patch?id=3277ba76d0ba7174608a31a0c6623e9210c63e3d"; sha256 = "0xcp1qafvqnivvvi0byh51mbgqicjhmswwvqvamjz9rxfzm5f7d7"; }) ]; preCheck = '' export LANG="en_US.UTF-8" ''; meta = { description = "A Python library for symbolic mathematics"; homepage = http://www.sympy.org/; license = lib.licenses.bsd3; maintainers = with lib.maintainers; [ lovek323 timokau ]; }; }