xml

What is xml?

xml is a Python module for reading XML documents.

The XML documents are parsed to a tree-like structure of Python objects.

Exercises

Exercise 1

Store the following in an XML document:

  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <movieml name="XML example for teaching" author="Kristian Rother">
  4. <movielist name="movies">
  5. <movie id="1" name="Slumdog Millionaire (2008)">
  6.    <rating value="8.0" votes="513804"></rating>
  7. </movie>
  8. <movie id="2" name="Planet of the Apes (1968)">
  9.     <rating value="8.0" votes="119493"></rating>
  10. </movie>
  11. <movie id="3" name="12 Angry Men (1957)">
  12.     <rating value="8.9" votes="323565"></rating>
  13. </movie>
  14. <movie id="4" name="Pulp Fiction (1994)">
  15.     <rating value="8.9" votes="993081"></rating>
  16. </movie>
  17. <movie id="5" name="Schindler's List (1993)">
  18.     <rating value="8.9" votes="652030"></rating>
  19. </movie>
  20. </movielist>
  22. <movielist name="serials">
  23. <movie id="6" name="Breaking Bad (2008)
  24.     {To'hajiilee (#5.13)}">
  25.     <rating value="9.7" votes="14799"></rating>
  26. </movie>
  27. <movie id="7" name="Game of Thrones (2011) 
  28.     {The Laws of Gods and Men (#4.6)}">
  29.     <rating value="9.7" votes="13343"></rating>
  30. </movie>
  31. <movie id="8" name="Game of Thrones (2011) 
  32.     {The Lion and the Rose (#4.2)}">
  33.     <rating value="9.7" votes="17564"></rating>
  34. </movie>
  35. <movie id="9" name="Game of Thrones (2011) 
  36.     {The Rains of Castamere (#3.9)}">
  37.     <rating value="9.8" votes="27384"></rating>
  38. </movie>
  39. <movie id="10" name="Breaking Bad (2008) 
  40.     {Ozymandias (#5.14)}">
  41.     <rating value="10.0" votes="55515"></rating>
  42. </movie>
  43. </movielist>
  45. </movieml>

Exercise 2

Run the following program:

  1. from xml.dom.minidom import parse
  3. document = parse('movies.xml')
  5. taglist = document.getElementsByTagName("movie")
  6. for tag in taglist:
  7.     mid = tag.getAttribute('id')
  8.     name = tag.getAttribute('name')
  9.     print(mid, name)
  11.     subtags = tag.getElementsByTagName('rating')
  12.     print(subtags)

Exercise 3

Calculate the total number of votes.