Optimize wiredata __getitem__.

When getting an item (not a slice), call bytes.__getitem__ directly
rather than creating a new bytes object.

diff --git a/dns/wiredata.py b/dns/wiredata.py
index a3fab7348514d1c98d323506d0923c9aba2b5569..51f12fc3637309ce6caf6d3fedfa731e34f1b47d 100644 (file)
--- a/dns/wiredata.py
+++ b/dns/wiredata.py
@@ -37,7 +37,7 @@ class WireData(bytes):
                         raise dns.exception.FormError
 
                 return WireData(super().__getitem__(key))
-            return self.unwrap()[key]
+            return super().__getitem__(key)
         except IndexError:
             raise dns.exception.FormError