[Python-Dev] LZW support in tarfile ? (original) (raw)

Michael Foord fuzzyman at voidspace.org.uk
Sun May 17 15:23:03 CEST 2009

Antoine Pitrou wrote:

Tarek Ziadé <ziade.tarek gmail.com> writes:

But I was wondering if we should we add a LZW support in tarinfo, besides gzip and bzip2 ?

Although this compression standard doesn't seem very used these days, It would be more useful to add LZMA / xz support. I don't think compress is used anymore, except perhaps on old legacy systems. On my Linux system, I have lots of .gz, .bz2 and .lzma files, but absolutely no .Z file.

I've seen the occasional .Z file in recent years, but never that I recall for a Python package.

As plugging in external compression tools is less likely to work cross-platform wouldn't it be both easier and better to deprecate (and not replace) the compress support.

If there is a huge outcry adding LZW support to tarfile can be reconsidered.

Michael Foord

Regards

Antoine.

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