What is spell checking?
In computing, a spell checker (or spell check) is an application program that flags words in a document that may not be spelled correctly. Spell checkers may be stand-alone, capable of operating on a block of text, or as part of a larger application, such as a word processor, email client, electronic dictionary, or search engine.
1. using the popen2 module in python to call the commandlines
Spell4Py is a Wrapper for Hunspell library. Org.keyphrene has been
splited to several simple projects.
There is a tutorial for Hunspell here:
2. using a pure python program.
This page provides a very simple pure python spell checking program.
You can train it with a dictionary or a textual corpus off-the-shelf with
an accuracy around 70%.
I also deploy an application online, click here as an example. You can also try other words for testing.
3. Google API