From a9bb7b02c99badc91a2fc48b1b87ad48c37b24ea Mon Sep 17 00:00:00 2001
From: Alexander Kiselyov <aleksandr.kiselyov@gmail.com>
Date: Sat, 4 Sep 2021 00:23:38 +0300
Subject: [PATCH] python3Packages.scikit-learn-extra: init at 0.2.0

---
 .../scikit-learn-extra/default.nix            | 57 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 59 insertions(+)
 create mode 100644 pkgs/development/python-modules/scikit-learn-extra/default.nix

diff --git a/pkgs/development/python-modules/scikit-learn-extra/default.nix b/pkgs/development/python-modules/scikit-learn-extra/default.nix
new file mode 100644
index 000000000000..a91f4ed74f17
--- /dev/null
+++ b/pkgs/development/python-modules/scikit-learn-extra/default.nix
@@ -0,0 +1,57 @@
+{ lib
+, fetchFromGitHub
+, buildPythonPackage
+, numpy
+, cython
+, scipy
+, scikit-learn
+, matplotlib
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "scikit-learn-extra";
+  version = "0.2.0";
+
+  src = fetchFromGitHub {
+    owner = "scikit-learn-contrib";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "09v7a9jdycdrlqq349m1gbn8ppzv1bl5g3l72k6ywsx2xb01qw13";
+  };
+
+  nativeBuildInputs = [ numpy cython ];
+  propagatedBuildInputs = [ numpy scipy scikit-learn ];
+  checkInputs = [ matplotlib pytestCheckHook ];
+
+  preCheck = ''
+    # Remove the package in the build dir, because Python defaults to it and
+    # ignores the one in Nix store with cythonized modules.
+    rm -r sklearn_extra
+  '';
+
+  pytestFlagsArray = [ "--pyargs sklearn_extra" ];
+  disabledTestPaths = [
+    "benchmarks"
+    "examples"
+    "doc"
+  ];
+  disabledTests = [
+    "build"   # needs network connection
+  ];
+
+  # Check packages with cythonized modules
+  pythonImportsCheck = [
+    "sklearn_extra"
+    "sklearn_extra.cluster"
+    "sklearn_extra.robust"
+    "sklearn_extra.utils"
+  ];
+
+  meta = {
+    description = "A set of tools for scikit-learn";
+    homepage = "https://github.com/scikit-learn-contrib/scikit-learn-extra";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ yl3dy ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 239c706e0dbe..8069432b0847 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -7950,6 +7950,8 @@ in {
     inherit (pkgs) gfortran glibcLocales;
   };
 
+  scikit-learn-extra = callPackage ../development/python-modules/scikit-learn-extra { };
+
   scikit-optimize = callPackage ../development/python-modules/scikit-optimize { };
 
   scikits-odes = callPackage ../development/python-modules/scikits-odes { };