Simple example parsing an XML and showing it in an Treeview

parseXML.py

#-*- encoding: utf8 -*-
# Call with "python parseXML.py test.xml"

from tkinter import *
from tkinter.ttk import Treeview
import xml.etree.ElementTree as ET

class App:

  def __init__(self, root):

    try:
      with open(sys.argv[1]) as f:
        read_data = f.read()

      rootNode = ET.fromstring(read_data)

      self.tree = Treeview(root)
      self.tree.pack(expand=True, fill='both')
      self.walk_dict(rootNode)
    except Exception as e:
      print(e)

  def walk_dict(self, d, depth=0, parent=""):

    for child in d:
      print(child.tag, child.attrib)
      nodeName = child.tag + " - " +child.attrib.__str__()

      # With None a unique id is generated automatically.
      item = self.tree.insert(parent, 'end', None, text=nodeName)

      if child.__len__() > 0:
        self.walk_dict(child, depth + 1, parent=item)
      else:
        # With None a unique id is generated automatically.
        if(child.text != None):
          self.tree.insert(item, 'end', None, text=child.text)

gui = Tk()
gui.geometry("500x600")
App(gui)
gui.mainloop()

test.xml

<menu>
    <opcao1 kind="func">
        <lol></lol>
    </opcao1>
    <opcao2>Tomate frito</opcao2>
    <opcao3></opcao3>
    <opcao4>Churrasco de ovelha</opcao4>
    <opcao5>Pizza</opcao5>
    <opcao6>
        <lol>Copter</lol>
        <meh>lolcopter</meh>
        <bla>
            <woo>foo</woo>
        </bla>
    </opcao6>
</menu>