Index: subversion/bindings/swig/svn_ra.i
===================================================================
--- subversion/bindings/swig/svn_ra.i	(revision 19602)
+++ subversion/bindings/swig/svn_ra.i	(working copy)
@@ -25,6 +25,7 @@
 #endif
 
 %include typemaps.i
+%include constraints.i
 
 %include svn_global.swg
 %import apr.swg
@@ -40,6 +41,8 @@
 %ignore svn_ra_dav_init;
 %ignore svn_ra_serf_init;
 
+%apply Pointer NONNULL { svn_ra_callbacks2_t *callbacks };
+
 /* -----------------------------------------------------------------------
    %apply-ing of typemaps defined elsewhere
 */
@@ -120,6 +123,11 @@
   svn_swig_rb_setup_ra_callbacks(&$1, &$2, $input, _global_pool);
 }
 
+%typemap(python, in) (svn_ra_callbacks2_t *callbacks, 
+                      void *callback_baton) {
+  svn_swig_py_setup_ra_callbacks(&$1, &$2, $input, _global_pool);
+}
+
 %typemap(perl5, in) apr_hash_t *config {
     $1 = svn_swig_pl_objs_to_hash_by_name ($input, "svn_config_t *",
 					   _global_pool);
Index: subversion/bindings/swig/python/tests/ra.py
===================================================================
--- subversion/bindings/swig/python/tests/ra.py	(revision 19602)
+++ subversion/bindings/swig/python/tests/ra.py	(working copy)
@@ -20,8 +20,10 @@
     self.repos = repos.open(REPOS_PATH)
     self.fs = repos.fs(self.repos)
 
-    self.ra_ctx = ra.open2(self.repos_url, None, None, None)
+    callbacks = ra.callbacks2_t()
 
+    self.ra_ctx = ra.open2(self.repos_url, callbacks, None, None)
+
   def test_get_repos_root(self):
     root = ra.get_repos_root(self.ra_ctx)
     self.assertEqual(root,self.repos_url)
Index: subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.c
===================================================================
--- subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.c	(revision 19602)
+++ subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.c	(working copy)
@@ -2142,3 +2142,19 @@
   *cred = creds;
   return err;
 }
+
+void
+svn_swig_py_setup_ra_callbacks(svn_ra_callbacks2_t **callbacks,
+                               void **baton,
+                               PyObject *py_callbacks,
+                               apr_pool_t *pool)
+{
+  svn_error_t *err = svn_ra_create_callbacks(callbacks, pool);
+
+  if (err) {
+	  svn_swig_py_svn_exception(err);
+	  return;
+  }
+  
+  *baton = py_callbacks;
+}
Index: subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.h
===================================================================
--- subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.h	(revision 19602)
+++ subversion/bindings/swig/python/libsvn_swig_py/swigutil_py.h	(working copy)
@@ -310,6 +310,13 @@
     svn_boolean_t may_save,
     apr_pool_t *pool);
 
+SVN_SWIG_SWIGUTIL_EXPORT
+void
+svn_swig_py_setup_ra_callbacks(svn_ra_callbacks2_t **callbacks,
+                               void **baton,
+                               PyObject *py_callbacks,
+                               apr_pool_t *pool);
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */