From e72d2b671678edf1a96cf46746a285a5e8a96544 Mon Sep 17 00:00:00 2001
From: Chris Ostrouchov <chris.ostrouchov@gmail.com>
Date: Fri, 12 Jul 2019 20:35:14 -0400
Subject: [PATCH] pythonPackages.ripser: init at 0.3.2

---
 .../python-modules/ripser/default.nix         | 48 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 50 insertions(+)
 create mode 100644 pkgs/development/python-modules/ripser/default.nix

diff --git a/pkgs/development/python-modules/ripser/default.nix b/pkgs/development/python-modules/ripser/default.nix
new file mode 100644
index 000000000000..7a0ae68993a0
--- /dev/null
+++ b/pkgs/development/python-modules/ripser/default.nix
@@ -0,0 +1,48 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, cython
+, numpy
+, scipy
+, scikitlearn
+, persim
+, pytest
+}:
+
+buildPythonPackage rec {
+  pname = "ripser";
+  version = "0.3.2";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "ff9f50fba911f0e9212077b78014f83e30c97526194dd6bd1df3d81896e6cb58";
+  };
+
+  checkInputs = [
+    pytest
+  ];
+
+  propagatedBuildInputs = [
+    cython
+    numpy
+    scipy
+    scikitlearn
+    persim
+  ];
+
+  checkPhase = ''
+    # specifically needed for darwin
+    export HOME=$(mktemp -d)
+    mkdir -p $HOME/.matplotlib
+    echo "backend: ps" > $HOME/.matplotlib/matplotlibrc
+
+    pytest
+  '';
+
+  meta = with lib; {
+    description = "A Lean Persistent Homology Library for Python";
+    homepage = https://ripser.scikit-tda.org;
+    license = licenses.mit;
+    maintainers = [ maintainers.costrouc ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index a18e6c66ca7d..f0ae1f635996 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4314,6 +4314,8 @@ in {
     python2 = python;
   }));
 
+  ripser = callPackage ../development/python-modules/ripser { };
+
   rjsmin = callPackage ../development/python-modules/rjsmin { };
 
   pysolr = callPackage ../development/python-modules/pysolr { };