--- Python-2.6.4/Python/pythonrun.c	Sat Apr  4 07:19:56 2009
+++ Python-2.6.4/Python/pythonrun.c	Wed May 18 11:13:05 2011
@@ -55,6 +55,7 @@
 /* Forward */
 static void initmain(void);
 static void initsite(void);
+static void initvendor(void);
 static PyObject *run_mod(mod_ty, const char *, PyObject *, PyObject *,
 			  PyCompilerFlags *, PyArena *);
 static PyObject *run_pyc_file(FILE *, const char *, PyObject *, PyObject *,
@@ -245,6 +246,7 @@
 	initmain(); /* Module __main__ */
 	if (!Py_NoSiteFlag)
 		initsite(); /* Module site */
+	initvendor();
 
 	/* auto-thread-state API, if available */
 #ifdef WITH_THREAD
@@ -594,6 +596,7 @@
 		initmain();
 		if (!Py_NoSiteFlag)
 			initsite();
+		initvendor();
 	}
 
 	if (!PyErr_Occurred())
@@ -716,6 +719,25 @@
 		Py_DECREF(m);
 	}
 }
+
+/* Append a vendor-packages directory to the module path */
+
+static void
+initvendor(void)
+{
+	PyObject *sys_path, *vps;
+
+	sys_path = PySys_GetObject("path");
+
+	vps = PyString_FromFormat(
+	    "%s/lib/python%d.%d/vendor-packages", Py_GetPrefix(),
+	    PY_MAJOR_VERSION, PY_MINOR_VERSION);
+
+	if (sys_path && vps) {
+		PyList_Append(sys_path, vps);
+		Py_DECREF(vps);
+	}
+}
 
 /* Parse input from a file and execute it */