graph.i: fixed a small bug with gettext / background color

- removed some whitespaces
- added some code markers

swig/graph.i

@@ -1,5 +1,5 @@
 %{
-
+//<code(py_graph)>
 #ifndef __PY_IDA_GRAPH__
 #define __PY_IDA_GRAPH__
 
@@ -252,8 +252,8 @@ private:
 
       if (py_str == NULL || !PyString_Check(py_str) || (s = PyString_AsString(py_str)) == NULL)
         s = "";
-      if (py_color != NULL && !PyInt_Check(py_color))
-        cl = bgcolor_t(PyInt_AsLong(py_color));
+      if (py_color != NULL && PyNumber_Check(py_color))
+        cl = bgcolor_t(PyLong_AsUnsignedLong(py_color));
 
       c = node_cache.add(node, s, cl);
 
@@ -776,10 +776,11 @@ void pyg_select_node(PyObject *self, int nid)
 #undef S_M_TITLE
 
 #endif
-
+//</code(py_graph)>
 %}
 
 %pythoncode %{
+#<pycode(py_graph)>
 class GraphViewer:
     """This class wraps the user graphing facility provided by the graph.hpp file"""
     def __init__(self, title, close_open = False):
@@ -928,14 +929,16 @@ class GraphViewer:
 #        Triggered when a menu command is selected through the menu or its hotkey
 #        """
 #        print "command:", cmd_id
-
+#</pycode(py_graph)>
 %}
 
 %inline %{
+//<inline(py_graph)>
 void pyg_refresh(PyObject *self);
 void pyg_close(PyObject *self);
+
 Py_ssize_t pyg_add_command(PyObject *self, const char *title, const char *hotkey);
 void pyg_select_node(PyObject *self, int nid);
 bool pyg_show(PyObject *self);
-
+//</inline(py_graph)>
 %}