s3cmd: use python3

pkgs/tools/networking/s3cmd/default.nix

@@ -1,23 +1,24 @@
-{ stdenv, fetchFromGitHub, python2Packages }:
+{ stdenv, buildPythonApplication, fetchFromGitHub, python_magic, dateutil }:
 
-python2Packages.buildPythonApplication rec {
+buildPythonApplication rec {
   pname = "s3cmd";
   version = "2.1.0";
-  
+
   src = fetchFromGitHub {
-    owner  = "s3tools";
-    repo   = "s3cmd";
-    rev    = "v${version}";
+    owner = "s3tools";
+    repo = "s3cmd";
+    rev = "v${version}";
     sha256 = "0p6mbgai7f0c12pkw4s7d649gj1f8hywj60pscxvj9jsna3iifhs";
   };
 
-  propagatedBuildInputs = with python2Packages; [ python_magic dateutil ];
+  propagatedBuildInputs = [ python_magic dateutil ];
+
+  dontUseSetuptoolsCheck = true;
 
   meta = with stdenv.lib; {
-    homepage = "http://s3tools.org/";
-    description = "A command-line tool to manipulate Amazon S3 buckets";
+    homepage = "https://s3tools.org/s3cmd";
+    description = "Command line tool for managing Amazon S3 and CloudFront services";
     license = licenses.gpl2;
     maintainers = [ maintainers.spwhitt ];
-    platforms = platforms.all;
   };
 }

pkgs/top-level/all-packages.nix

@@ -6360,7 +6360,7 @@ in
 
   s3fs = callPackage ../tools/filesystems/s3fs { };
 
-  s3cmd = callPackage ../tools/networking/s3cmd { };
+  s3cmd = python3Packages.callPackage ../tools/networking/s3cmd { };
 
   s4cmd = callPackage ../tools/networking/s4cmd { };