Description: C extension fails to build because of PyUnicode_FromFormat only available on Python >= 2.6
Author: Arnaud Fontaine <arnau@debian.org>

--- a/cheetah/c/cheetah.h	2010-02-08 04:17:23.000000000 +0000
+++ b/cheetah/c/cheetah.h	2010-03-30 22:42:49.000000000 +0100
@@ -37,6 +37,9 @@
 
 #if PY_MAJOR_VERSION >= 3
 #define IS_PYTHON3
+#elif PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION <= 5
+/* PyUnicode_FromFormat is only available on Python >= 2.6 */
+#define IS_PYTHON25_OR_LESS
 #endif
 
 #define TRUE 1
--- a/cheetah/c/_namemapper.c	2010-02-08 04:17:23.000000000 +0000
+++ b/cheetah/c/_namemapper.c	2010-03-30 22:40:01.000000000 +0100
@@ -35,7 +35,13 @@
 static void setNotFoundException(char *key, PyObject *namespace)
 {
     PyObject *exceptionStr = NULL;
+#ifdef IS_PYTHON25_OR_LESS
+    exceptionStr = Py_BuildValue("s", "cannot find '");
+    PyString_ConcatAndDel(&exceptionStr, Py_BuildValue("s", key));
+    PyString_ConcatAndDel(&exceptionStr, Py_BuildValue("s", "'"));
+#else
     exceptionStr = PyUnicode_FromFormat("cannot find \'%s\'", key);
+#endif
     PyErr_SetObject(NotFound, exceptionStr);
     Py_XDECREF(exceptionStr);
 }
@@ -58,8 +64,15 @@
 
         if (isAlreadyWrapped != NULL) {
             if (PyLong_AsLong(isAlreadyWrapped) == -1) {
+#ifdef IS_PYTHON25_OR_LESS
+                newExcValue = Py_BuildValue("U", excValue);
+                PyString_ConcatAndDel(&newExcValue, Py_BuildValue("s", "while searching for '"));
+                PyString_ConcatAndDel(&newExcValue, Py_BuildValue("s", fullName));
+                PyString_ConcatAndDel(&newExcValue, Py_BuildValue("s", "'"));
+#else                                      
                 newExcValue = PyUnicode_FromFormat("%U while searching for \'%s\'",
                         excValue, fullName);
+#endif
             }
             Py_DECREF(isAlreadyWrapped);
         }