Spell Corrector

Here is good link for Spell Corrector

Free Python Books

Best Open Python Books - Free Python Books

Upgrade to Python 2.5.6 on RHEL 5.5

Here are upgrade instructions for Python 2.4 to Python 2.5.6:
1. http://www.python.org/ftp/python/2.5.6/Python-2.5.6.tgz
2. tar xzf Python-2.5.6.tgz
3. cd Python-2.5
4. ./configure
5. $ make
6. sudo make altinstall
7. sudo mv /usr/bin/python /usr/bin/python_old_2.4
8. sudo ln -s  /usr/local/bin/python2.5 /usr/bin/python

Validate:
# python -V
Python 2.5.6

Scraping

LXML is useful Python library for scraping. Here is an example of scraping script

pip install requests
pip install lxml

#! /usr/bin/python
import requests
import lxml
from lxml import html

r = requests.get('https://www.google.com/')
tree = lxml.html.fromstring(r.content)
elements = tree.get_element_by_id("prm")
for el in elements:
 print el.text_content()

Note: It works with Python 2.6.1 (did not work with Python 4). LXML specs