From b20f22d4cdf71dcc704462dbc4596651af309b2b Mon Sep 17 00:00:00 2001
From: Ben Darwin <bcdarwin@gmail.com>
Date: Tue, 18 Feb 2020 12:47:08 -0500
Subject: [PATCH] python3Packages.pytorch-metric-learning: init at 0.9.81

---
 .../pytorch-metric-learning/default.nix       | 40 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 +
 2 files changed, 42 insertions(+)
 create mode 100644 pkgs/development/python-modules/pytorch-metric-learning/default.nix

diff --git a/pkgs/development/python-modules/pytorch-metric-learning/default.nix b/pkgs/development/python-modules/pytorch-metric-learning/default.nix
new file mode 100644
index 000000000000..daf6accb8935
--- /dev/null
+++ b/pkgs/development/python-modules/pytorch-metric-learning/default.nix
@@ -0,0 +1,40 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, isPy27
+, numpy
+, scikitlearn
+, pytorch
+, torchvision
+, tqdm
+}:
+
+buildPythonPackage rec {
+  pname   = "pytorch-metric-learning";
+  version = "0.9.81";
+
+  disabled = isPy27;
+
+  src = fetchFromGitHub {
+    owner = "KevinMusgrave";
+    repo = pname;
+    rev = "cb23328aba64f7f4658374cc2920ef5d56cda5c8";  # no version tag
+    sha256 = "0c2dyi4qi7clln43481xq66f6r4fadrz84jphjc5phz97bp33ds8";
+  };
+
+  propagatedBuildInputs = [
+    numpy
+    pytorch
+    scikitlearn
+    torchvision
+    tqdm
+  ];
+
+  meta = {
+    description = "Metric learning library for PyTorch";
+    homepage = "https://github.com/KevinMusgrave/pytorch-metric-learning";
+    changelog = "https://github.com/KevinMusgrave/pytorch-metric-learning/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ bcdarwin ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 4fd9cd32ed3a..342c3c269bcc 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -3810,6 +3810,8 @@ in {
     cudaSupport = false;
   };
 
+  pytorch-metric-learning = callPackage ../development/python-modules/pytorch-metric-learning { };
+
   pythondialog = callPackage ../development/python-modules/pythondialog { };
 
   python2-pythondialog = callPackage ../development/python-modules/python2-pythondialog { };