add python 2.5 distutils metadata

diff --git a/setup.py b/setup.py
index 5b6d6eef632112048319814199be8a5b2b219441..1c296460c9e31b7636c6b712b5d15268a5ace7d8 100755 (executable)
--- a/setup.py
+++ b/setup.py
@@ -55,4 +55,8 @@ if sys.hexversion >= 0x02020300:
         "Topic :: Software Development :: Libraries :: Python Modules",
         ]
 
+if sys.hexversion >= 0x02050000:
+    kwargs['requires'] = []
+    kwargs['provides'] = ['dns']
+
 setup(**kwargs)