+
+####################################
+# BuildRenamers
+####################################
+
+import pprint
+import xml.sax            
+
+try:
+    import libxml2
+    FOUND_LIBXML2 = True
+except ImportError:
+    FOUND_LIBXML2 = False
+
+#---------------------------------------------------------------------------
+
+renamerTemplateStart = """\
+// A bunch of %rename directives generated by BuildRenamers in config.py
+// in order to remove the wx prefix from all global scope names.
+
+#ifndef BUILDING_RENAMERS
+
+"""
+
+renamerTemplateEnd = """
+#endif
+"""
+
+wxPythonTemplateStart = """\
+## This file reverse renames symbols in the wx package to give
+## them their wx prefix again, for backwards compatibility.
+##
+## Generated by BuildRenamers in config.py
+
+# This silly stuff here is so the wxPython.wx module doesn't conflict
+# with the wx package.  We need to import modules from the wx package
+# here, then we'll put the wxPython.wx entry back in sys.modules.
+import sys
+_wx = None
+if sys.modules.has_key('wxPython.wx'):
+    _wx = sys.modules['wxPython.wx']
+    del sys.modules['wxPython.wx']
+
+import wx.%s
+
+sys.modules['wxPython.wx'] = _wx
+del sys, _wx
+
+
+# Now assign all the reverse-renamed names:
+"""
+
+wxPythonTemplateEnd = """
+
+"""
+
+
+
+#---------------------------------------------------------------------------
+class BuildRenamers:
+    def run(self, destdir, modname, xmlfile, wxPythonDir="wxPython"):    
+
+        assert FOUND_LIBXML2, "The libxml2 module is required to use the BuildRenamers functionality."
+            
+        if not os.path.exists(wxPythonDir):
+            os.mkdir(wxPythonDir)
+
+        swigDest = os.path.join(destdir, "_"+modname+"_rename.i")
+        pyDest = os.path.join(wxPythonDir, modname + '.py')
+    
+        swigDestTemp = tempfile.mktemp('.tmp')
+        swigFile = open(swigDestTemp, "w")
+        swigFile.write(renamerTemplateStart)
+    
+        pyDestTemp = tempfile.mktemp('.tmp')
+        pyFile = open(pyDestTemp, "w")
+        pyFile.write(wxPythonTemplateStart % modname)
+    
+        print "Parsing XML and building renamers..."
+        self.processXML(xmlfile, modname, swigFile, pyFile)
+        
+        self.checkOtherNames(pyFile, modname,
+                        os.path.join(destdir, '_'+modname+'_reverse.txt'))
+        pyFile.write(wxPythonTemplateEnd)        
+        pyFile.close()
+
+        swigFile.write(renamerTemplateEnd)
+        swigFile.close()
+
+        # Compare the files just created with the existing one and
+        # blow away the old one if they are different.
+        for dest, temp in [(swigDest, swigDestTemp),
+                           (pyDest, pyDestTemp)]:
+            if not os.path.exists(dest):
+                os.rename(temp, dest)
+            elif open(dest).read() != open(temp).read():
+                os.unlink(dest)
+                os.rename(temp, dest)
+            else:
+                print dest + " not changed."
+                os.unlink(temp)
+    
+    #---------------------------------------------------------------------------
+    
+    
+    def GetAttr(self, node, name):
+        path = "./attributelist/attribute[@name='%s']/@value" % name
+        n = node.xpathEval2(path)
+        if len(n):
+            return n[0].content
+        else:
+            return None
+        
+    
+    def processXML(self, xmlfile, modname, swigFile, pyFile):
+   
+        topnode = libxml2.parseFile(xmlfile).children
+    
+        # remove any import nodes as we don't need to do renamers for symbols found therein
+        imports = topnode.xpathEval2("*/import")
+        for n in imports:
+            n.unlinkNode()
+            n.freeNode()
+    
+        # do a depth first iteration over what's left
+        for node in topnode:
+            doRename = False
+            doPtr = False
+            addWX = False
+            revOnly = False
+    
+    
+            if node.name == "class":
+                lastClassName = name = self.GetAttr(node, "name")
+                lastClassSymName = sym_name = self.GetAttr(node, "sym_name")
+                doRename = True
+                doPtr = True
+                if sym_name != name:
+                    name = sym_name
+                    addWX = True
+    
+            # renamed constructors
+            elif node.name == "constructor":
+                name     = self.GetAttr(node, "name")
+                sym_name = self.GetAttr(node, "sym_name")
+                if sym_name != name:
+                    name = sym_name
+                    addWX = True
+                    doRename = True
+    
+            # only enumitems at the top level
+            elif node.name == "enumitem" and node.parent.parent.name == "include":
+                name     = self.GetAttr(node, "name")
+                sym_name = self.GetAttr(node, "sym_name")
+                doRename = True
+    
+    
+            elif node.name in ["cdecl", "constant"]:
+                name      = self.GetAttr(node, "name")
+                sym_name  = self.GetAttr(node, "sym_name")
+                toplevel  = node.parent.name == "include"
+    
+                # top-level functions
+                if toplevel and self.GetAttr(node, "view") == "globalfunctionHandler":
+                    doRename = True
+    
+                # top-level global vars
+                elif toplevel and self.GetAttr(node, "feature_immutable") == "1":
+                    doRename = True
+    
+                # static methods
+                elif self.GetAttr(node, "view") == "staticmemberfunctionHandler":
+                    name     = lastClassName + '_' + name
+                    sym_name = lastClassSymName + '_' + sym_name
+                    # only output the reverse renamer in this case
+                    doRename = revOnly = True
+           
+                if doRename and name != sym_name:
+                    name = sym_name
+                    addWX = True
+                   
+    
+            if doRename and name:
+                old = new = name
+                if old.startswith('wx') and not old.startswith('wxEVT_'):
+                    # remove all wx prefixes except wxEVT_ and write a %rename directive for it
+                    new = old[2:]
+                    if not revOnly:
+                        swigFile.write("%%rename(%s)  %35s;\n" % (new, old))
+    
+                # Write assignments to import into the old wxPython namespace
+                if addWX and not old.startswith('wx'):
+                    old = 'wx'+old
+                pyFile.write("%s = wx.%s.%s\n" % (old, modname, new))
+                if doPtr:
+                    pyFile.write("%sPtr = wx.%s.%sPtr\n" % (old, modname, new))
+                
+    
+    #---------------------------------------------------------------------------
+    
+    def checkOtherNames(self, pyFile, moduleName, filename):
+        if os.path.exists(filename):
+            prefixes = []
+            for line in file(filename):
+                if line.endswith('\n'):
+                    line = line[:-1]
+                if line and not line.startswith('#'):
+                    if line.endswith('*'):
+                        prefixes.append(line[:-1])
+                    elif line.find('=') != -1:
+                        pyFile.write("%s\n" % line)
+                    else:
+                        wxname = 'wx' + line
+                        if line.startswith('wx') or line.startswith('WX') or line.startswith('EVT'):
+                            wxname = line
+                        pyFile.write("%s = wx.%s.%s\n" % (wxname, moduleName, line))
+    
+            if prefixes:
+                pyFile.write(
+                    "\n\nd = globals()\nfor k, v in wx.%s.__dict__.iteritems():"
+                    % moduleName)
+                first = True
+                for p in prefixes:
+                    if first:
+                        pyFile.write("\n    if ")
+                        first = False
+                    else:
+                        pyFile.write("\n    elif ")
+                    pyFile.write("k.startswith('%s'):\n        d[k] = v" % p)
+                pyFile.write("\ndel d, k, v\n\n")
+
+                        
+#---------------------------------------------------------------------------