From cca503b3891dab1cc2cf0dbd4a8095f87d1fcff9 Mon Sep 17 00:00:00 2001
From: wisut hantanong <wizzup@gmail.com>
Date: Sat, 15 Jul 2017 15:33:16 +0700
Subject: [PATCH] python.pkgs.packaging: move to separate expression

---
 .../python-modules/packaging/default.nix      | 24 +++++++++++++++++++
 pkgs/top-level/python-packages.nix            | 17 +------------
 2 files changed, 25 insertions(+), 16 deletions(-)
 create mode 100644 pkgs/development/python-modules/packaging/default.nix

diff --git a/pkgs/development/python-modules/packaging/default.nix b/pkgs/development/python-modules/packaging/default.nix
new file mode 100644
index 00000000000..776ec7ffc4b
--- /dev/null
+++ b/pkgs/development/python-modules/packaging/default.nix
@@ -0,0 +1,24 @@
+{ stdenv, buildPythonPackage, fetchPypi
+, pyparsing, six, pytest, pretend }:
+
+buildPythonPackage rec {
+  pname = "packaging";
+  version = "16.8";
+  name = "${pname}-${version}";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "5d50835fdf0a7edf0b55e311b7c887786504efea1177abd7e69329a8e5ea619e";
+  };
+
+  propagatedBuildInputs = [ pyparsing six ];
+
+  buildInputs = [ pytest pretend ];
+
+  meta = with stdenv.lib; {
+    description = "Core utilities for Python packages";
+    homepage = "https://github.com/pypa/packaging";
+    license = [ licenses.bsd2 licenses.asl20 ];
+    maintainers = with maintainers; [ bennofs ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index ad1aa0eab45..e1a295d56ed 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -29892,22 +29892,7 @@ EOF
     };
   };
 
-  packaging = buildPythonPackage rec {
-    name = "packaging-16.8";
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/p/packaging/${name}.tar.gz";
-      sha256 = "5d50835fdf0a7edf0b55e311b7c887786504efea1177abd7e69329a8e5ea619e";
-    };
-    propagatedBuildInputs = with self; [ pyparsing six ];
-    buildInputs = with self; [ pytest pretend ];
-
-    meta = with pkgs.stdenv.lib; {
-      description = "Core utilities for Python packages";
-      homepage = "https://github.com/pypa/packaging";
-      license = [ licenses.bsd2 licenses.asl20 ];
-      maintainers = with maintainers; [ bennofs ];
-    };
-  };
+  packaging = callPackage ../development/python-modules/packaging { };
 
   pytoml = callPackage ../development/python-modules/pytoml { };