lzw.py

[Patrick Phalen]

[Dinu C. Gherman, on Thu, 30 Sep 1999]:

:: I had some fun writing Python functions to encode and decode
:: data using a variant of the Lempel-Ziv coding algorithm family,
:: namely LZW, Lempel-Ziv-Welch. 
<snip>
:: Of course, there is zlib, but who says there won't be another 
:: deep-pocket company popping up tomorrow just to say they have 
:: invented this "before" already? 

PNG, (zlib loads and save .png files) sounds like what you want. It was
written to avoid that problem.