--- a/Python/future.c	Mon Aug 26 14:05:19 2013 +0200
+++ b/Python/future.c	Mon Aug 26 22:28:21 2013 +0200
@@ -11,7 +11,7 @@
 "from __future__ imports must occur at the beginning of the file"
 
 static int
-future_check_features(PyFutureFeatures *ff, stmt_ty s, const char *filename)
+future_check_features(PyFutureFeatures *ff, stmt_ty s, PyObject *filename)
 {
     int i;
     asdl_seq *names;
@@ -43,12 +43,12 @@
         } else if (strcmp(feature, "braces") == 0) {
             PyErr_SetString(PyExc_SyntaxError,
                             "not a chance");
-            PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
+            PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
             return 0;
         } else {
             PyErr_Format(PyExc_SyntaxError,
                          UNDEFINED_FUTURE_FEATURE, feature);
-            PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
+            PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
             return 0;
         }
     }
@@ -56,7 +56,7 @@
 }
 
 static int
-future_parse(PyFutureFeatures *ff, mod_ty mod, const char *filename)
+future_parse(PyFutureFeatures *ff, mod_ty mod, PyObject *filename)
 {
     int i, done = 0, prev_line = 0;
     stmt_ty first;
@@ -101,7 +101,7 @@
                 if (done) {
                     PyErr_SetString(PyExc_SyntaxError,
                                     ERR_LATE_FUTURE);
-                    PyErr_SyntaxLocationEx(filename, s->lineno, s->col_offset);
+                    PyErr_SyntaxLocationObject(filename, s->lineno, s->col_offset);
                     return 0;
                 }
                 if (!future_check_features(ff, s, filename))
@@ -121,7 +121,7 @@
 
 
 PyFutureFeatures *
-PyFuture_FromAST(mod_ty mod, const char *filename)
+PyFuture_FromASTObject(mod_ty mod, PyObject *filename)
 {
     PyFutureFeatures *ff;
 
@@ -139,3 +139,18 @@
     }
     return ff;
 }
+
+
+PyFutureFeatures *
+PyFuture_FromAST(mod_ty mod, const char *filename_str)
+{
+    PyFutureFeatures *ff;
+    PyObject *filename;
+
+    filename = PyUnicode_DecodeFSDefault(filename_str);
+    if (filename == NULL)
+        return NULL;
+    ff = PyFuture_FromASTObject(mod, filename);
+    Py_DECREF(filename);
+    return ff;
+}