From a5180b1017ae3f96d6c6d73fc85e0604934163aa Mon Sep 17 00:00:00 2001
From: Kirill Elagin <kirelagin@gmail.com>
Date: Sat, 10 Aug 2019 13:18:25 +0300
Subject: [PATCH] pythonPackages.license-expression: init at 0.999

---
 .../license-expression/default.nix            | 24 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            |  2 ++
 2 files changed, 26 insertions(+)
 create mode 100644 pkgs/development/python-modules/license-expression/default.nix

diff --git a/pkgs/development/python-modules/license-expression/default.nix b/pkgs/development/python-modules/license-expression/default.nix
new file mode 100644
index 000000000000..6d52e5f5c1f5
--- /dev/null
+++ b/pkgs/development/python-modules/license-expression/default.nix
@@ -0,0 +1,24 @@
+{ lib, buildPythonPackage, fetchFromGitHub
+, boolean-py
+}:
+
+buildPythonPackage rec {
+  pname = "license-expression";
+  version = "0.999";
+
+  src = fetchFromGitHub {
+    owner = "nexB";
+    repo = "license-expression";
+    rev = "v${version}";
+    sha256 = "0q8sha38w7ajg7ar0rmbqrwv0n58l8yzyl96cqwcbvp578fn3ir0";
+  };
+
+  propagatedBuildInputs = [ boolean-py ];
+
+  meta = with lib; {
+    homepage = "https://github.com/nexB/license-expression";
+    description = "Utility library to parse, normalize and compare License expressions for Python using a boolean logic engine";
+    license = licenses.asl20;
+  };
+
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 02c2ff3ab327..3813a7a939e3 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2450,6 +2450,8 @@ in {
 
   libthumbor = callPackage ../development/python-modules/libthumbor { };
 
+  license-expression = callPackage ../development/python-modules/license-expression { };
+
   lightblue = callPackage ../development/python-modules/lightblue { };
 
   lightgbm = callPackage ../development/python-modules/lightgbm { };