From ceaf12fd6e5b3b1a6feeb6b324b0d08c8ba5957b Mon Sep 17 00:00:00 2001
From: Chris Ostrouchov <chris.ostrouchov@gmail.com>
Date: Sun, 14 Jul 2019 18:19:35 -0400
Subject: [PATCH] pythonPackages.pygbm: init at 0.1.0

---
 .../python-modules/pygbm/default.nix          | 46 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 48 insertions(+)
 create mode 100644 pkgs/development/python-modules/pygbm/default.nix

diff --git a/pkgs/development/python-modules/pygbm/default.nix b/pkgs/development/python-modules/pygbm/default.nix
new file mode 100644
index 00000000000..6e4c70aaaf1
--- /dev/null
+++ b/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 ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 19c90ed0d2f..53cc2e0001c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -856,6 +856,8 @@ in {
 
   pygame = callPackage ../development/python-modules/pygame { };
 
+  pygbm = callPackage ../development/python-modules/pygbm { };
+
   pygame_sdl2 = callPackage ../development/python-modules/pygame_sdl2 { };
 
   pygdbmi = callPackage ../development/python-modules/pygdbmi { };