Add 'nixpkgs/' from commit '2436c27541b2f52deea3a4c1691216a02152e729'

git-subtree-dir: nixpkgs
git-subtree-mainline: 1148b1d122bc03e9a3665856c9b7bb96bd4e3994
git-subtree-split: 2436c27541b2f52deea3a4c1691216a02152e729

1 files changed, 46 insertions, 0 deletions

diff --git a/nixpkgs/pkgs/development/python-modules/pygbm/default.nix b/nixpkgs/pkgs/development/python-modules/pygbm/default.nix
new file mode 100644
index 00000000000..6e4c70aaaf1
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/pygbm/default.nix
@@ -0,0 +1,46 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, scipy
+, numpy
+, numba
+, scikitlearn
+, pytest
+, pythonOlder
+}:
+
+buildPythonPackage rec {
+  pname = "pygbm";
+  version = "0.1.0";
+  disabled = pythonOlder "3.6";
+
+  src = fetchFromGitHub {
+    owner = "ogrisel";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "1qg2md86d0z5aa6jn8kj3rxsippsqsccx1dbraspdsdkycncvww3";
+  };
+
+  propagatedBuildInputs = [
+    scipy
+    numpy
+    numba
+    scikitlearn
+  ];
+
+  checkInputs = [
+    pytest
+  ];
+
+  checkPhase = ''
+    # numerical rounding error in test
+    pytest -k "not test_derivatives"
+  '';
+
+  meta = with lib; {
+    description = "Experimental Gradient Boosting Machines in Python";
+    homepage = https://github.com/ogrisel/pygbm;
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}