CSV importer/exporter
Has heuristics for determining file format and an optional wxPython dialog. [Open Source, Python license]
CSV module for Python
Module for fast reading of CVS files. [Open Source, BSD-like]
D Parser for Python
A seamless Python interface to the excellent D Parser.
mxTextTools
Fast Text Manipulation Tools for Python. [Open Source]
pyMifluz
Python bindings for mifluz (C++ library to build and query a full text inverted index). [Open Source, GPL]
pyparsing
A general parsing module for Python. Grammars are implemented directly in the client code using parsing objects, instead of externally, as with lex/yacc-type tools. Includes simple examples for parsing SQL, CORBA IDL, and 4-function math. [Open source, MIT License]
PyStemmer
Provides stemmer functionality in Python for English, German, Norwegian, Italian, Dutch, Portuguese, French, Swedish. [Open Source, BSD-like]
ServPDF
Local or serverbased MS Office 2000/XP to PDF converter using Ghostscript and COM calls. [Freeware]
SimpleParse
A parser generator for mxTextTools. [Open Source, BSD-like]
SnoPy
Python extension for SNOBOL Pattern Matching using the SNOBOL code from the GNAT Ada compiler. [Open Source, GPL]