1 files changed, 58 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/ripser/default.nix b/nixpkgs/pkgs/development/python-modules/ripser/default.nix
new file mode 100644
index 000000000000..c71d9f0a03fd
--- /dev/null
+++ b/nixpkgs/pkgs/development/python-modules/ripser/default.nix
@@ -0,0 +1,58 @@
+{ lib
+, buildPythonPackage
+, cython
+, fetchPypi
+, numpy
+, persim
+, pytestCheckHook
+, pythonOlder
+, scikit-learn
+, scipy
+}:
+
+buildPythonPackage rec {
+  pname = "ripser";
+  version = "0.6.8";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.6";
+
+  src = fetchPypi {
+    inherit pname version;
+    hash = "sha256-J5ctOvGtmg/e2ls7fN59LR4AbHedC9gKk6f8jIDIoFI=";
+  };
+
+  nativeBuildInputs = [
+    cython
+  ];
+
+  propagatedBuildInputs = [
+    numpy
+    scipy
+    scikit-learn
+    persim
+  ];
+
+  nativeCheckInputs = [
+    pytestCheckHook
+  ];
+
+  preCheck = ''
+    # specifically needed for darwin
+    export HOME=$(mktemp -d)
+    mkdir -p $HOME/.matplotlib
+    echo "backend: ps" > $HOME/.matplotlib/matplotlibrc
+  '';
+
+  pythonImportsCheck = [
+    "ripser"
+  ];
+
+  meta = with lib; {
+    description = "A Lean Persistent Homology Library for Python";
+    homepage = "https://ripser.scikit-tda.org";
+    changelog = "https://github.com/scikit-tda/ripser.py/blob/${version}/CHANGELOG.md";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}