import sys
import urllib
from xml.dom.minidom import parse
from wxPython.wx import *

def word_wrap(str, width=72):
    result = []
    line = ''
    sp = ''
    for word in str.split():
        if len(line) + len(sp) + len(word) <= width:
            line = line + sp + word
            sp = ' '
        else:
            if len(line):
                result.append(line)
            line = word
            sp = ' '
    if len(line):
        result.append(line)
    return result

def node_to_wx_tree(d, tree, ID = None):
    string = d.getAttribute('text')
    if string == '':
        string = d.tagName
    string = string.encode('ascii', 'replace')
    if ID == None:
        chID = tree.AddRoot(string)
    else:
        chID = tree.AppendItem(ID, string)
    for node in d.childNodes:
        if node.nodeType == node.ELEMENT_NODE:
            node_to_wx_tree (node, tree, chID)
    if ID == None:
        tree.Expand(chID)


class TestApplication (wxPySimpleApp): 
    def OnInit(self): 
        frame =wxFrame (NULL, -1, "test", size = (300,300)) 
        panel = wxPanel(frame, -1 ) 
        sizer = wxBoxSizer( wxVERTICAL)
        self.tree = wxTreeCtrl(panel)
        sizer.Add( self.tree, 1, wxEXPAND ) 
        panel.SetSizer(sizer) 
        panel.SetAutoLayout(true) 
        frame.Show (1) 
        self.SetTopWindow(frame) 
        return 1 

if __name__ == '__main__':
    url = sys.argv[1]
    f = urllib.urlopen(url)
    d = parse(f)
    root = d.childNodes[0]
    app = TestApplication()
    body = root.getElementsByTagName('body')[0]
    node_to_wx_tree(body, app.tree)
    app.MainLoop()