Python & XML

Python module Y151

Python & XML

Exercises, examples and other material relating to training module Y151. This topic is presented on public courses Learning to program in Python, Python Programming

Python Programming - training course - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging.

Python Programming - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging. This course starts at the fundamentals ...

http://www.wellho.net/course/ypfull.html [course]

Learning to Program in Python - training course - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging.

Learning to Program in Python - The fundamentals in depth, and an introduction to applications such as GUI design and Data Munging. This course starts ...

http://www.wellho.net/course/ylfull.html [course]

Handling XML in Perl - introduction and early examples

There are hundreds of modules (literally) in Perl for handing XML. Some of them are highly specialised, but others are of much more general use in reading ...

http://www.wellho.net/mouth/2378_Han ... mples.html [short article]

Good example of recursion in Python - analyse an RSS feed

I'm not keen on recursive code - code that calls itself. Very often, such code is elegant in a way, yet so 'clever' that it is hard to follow. There ...

http://www.wellho.net/mouth/2506_Goo ... -feed.html [short article]

Extracting information via SAX

from xml.sax.handler import ContentHandler from xml.sax import make_parser import sys class ImageHandler(ContentHandler): title = "" name = "" ...

http://www.wellho.net/resources/ex.php4?item=y151/sax_xml2.py [code sample]

Bookkeeping

It's incredible just how much time bookkeeping takes - small adjustments to the various resources we have, tidying up modules that are no longer relevant ...

http://www.wellho.net/mouth/2555_Bookkeeping.html [short article]

Useful extraction with minidom

import xml.dom.minidom def explore_children(nodelist,inset): for subnode in nodelist: if (subnode.nodeType == subnode.ELEMENT_NODE): ...

http://www.wellho.net/resources/ex.php4?item=y151/minid3.py [code sample]

An XML document is a structured piece of data, held as a piece of text. Python can be used to process XML data, a subject which is covered in this module.

This topic is presented on public courses Learning to program in Python, Python Programming

Examples from our training material

minid1.py	parse and check with minidom
minid2.py	report structure with minidom
minid3.py	Useful extraction with minidom
minid4.py	further extraction including data with minidom
minid5.py	Modifying a document structure with minidom
python_rss	Grabbing an RSS feed in Python
sax_xml1.py	First SAX based xml handler
sax_xml2.py	Extracting information via SAX
sax_xml3.py	Attributes and text extracted via SAX
sax_xml4.py	More sophisticated SAX output example
xsltprocess.py	Process an XML file through an XSLT Stylesheet in Python with libxml2 and libxslt

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

What is XML.
XML Handlers.
Sax.
DOM.
Using Python to handle XML via SAX.
Accessing attributes and character data via Python and SAX.
Storing information as you parse with SAX.
Using Python to handle XML via DOM.
Adding in a character handler.
Modifying and saving the model.
4Suite libraries.
The Gnome libraries.

Complete learning

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