pythonPackages.click-log: Move to own file

pkgs/development/python-modules/click-log/default.nix

@@ -0,0 +1,20 @@
+{ stdenv, buildPythonPackage, fetchPypi, click }:
+
+buildPythonPackage rec {
+  pname = "click-log";
+  version = "0.2.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "1r1x85023cslb2pwldd089jjk573mk3w78cnashs77wrx7yz8fj9";
+  };
+
+  propagatedBuildInputs = [ click ];
+
+  meta = with stdenv.lib; {
+    homepage = https://github.com/click-contrib/click-log/;
+    description = "Logging integration for Click";
+    license = licenses.mit;
+    maintainers = with maintainers; [ ];
+  };
+}

pkgs/top-level/python-packages.nix

@@ -1542,24 +1542,7 @@ in {
 
   click_5 = callPackage ../development/python-modules/click/5_1.nix {};
 
-  click-log = buildPythonPackage rec {
-    version = "0.2.1";
-    name = "click-log-${version}";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/c/click-log/${name}.tar.gz";
-      sha256 = "1r1x85023cslb2pwldd089jjk573mk3w78cnashs77wrx7yz8fj9";
-    };
-
-    propagatedBuildInputs = with self; [ click ];
-
-    meta = {
-      homepage = https://github.com/click-contrib/click-log/;
-      description = "Logging integration for Click";
-      license = licenses.mit;
-      maintainers = with maintainers; [ ];
-    };
-  };
+  click-log = callPackage ../development/python-modules/click-log {};
 
   click-plugins = callPackage ../development/python-modules/click-plugins {};