XML Processing with Python

12.11. The Invoice Printing Problem Solved Three Ways

In section 8.11.2, the pros and cons of event-driven XML processing were discussed. The section posed the question, How would you write a program to print invoices from the following document that has at least three item elements?

CD-ROM reference=12026.txt
<invoices>
      <invoice>
            <item name="shoes" cost="10.00"/>
            <item name="socks" cost="1.00"/>
      </invoice>
      <invoice>
            <item name="shoes" cost="10.00"/>
            <item name="socks" cost="1.00"/>
      </invoice>
      <invoice>
            <item name="shoes" cost="10.00"/>
            <item name="socks" cost="1.00"/>
            <item name="trousers" cost="100.00"/>
      </invoice>
      <invoice>
            <item name="shoes" cost="10.00"/>
      </invoice>
</invoices>

The Pyxie program below solves this problem with three different ...