[Python-checkins] cpython: Issue #14889: PyBytes_FromObject(bytes) now just increfs and returns.

[larry.hastings]

http://hg.python.org/cpython/rev/f8cd75e8a1d6
changeset:   77130:f8cd75e8a1d6
user:        Larry Hastings <larry at hastings.org>
date:        Thu May 24 22:58:30 2012 -0700
summary:
  Issue #14889: PyBytes_FromObject(bytes) now just increfs and returns.
Previously, if you passed in a bytes object, it would create a whole
new object.

files:
  Objects/bytesobject.c |  6 ++++++
  1 files changed, 6 insertions(+), 0 deletions(-)


diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c
--- a/Objects/bytesobject.c
+++ b/Objects/bytesobject.c
@@ -2577,6 +2577,12 @@
         PyErr_BadInternalCall();
         return NULL;
     }
+
+    if (PyBytes_CheckExact(x)) {
+        Py_INCREF(x);
+        return x;
+    }
+
     /* Use the modern buffer interface */
     if (PyObject_CheckBuffer(x)) {
         Py_buffer view;

-- 
Repository URL: http://hg.python.org/cpython