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Project Description

xzip is a FUSE file system for deduplicating zip files which share zipped contents.

To install use:

$ pip install xzip

or

$ easy_install xzip

xzip provides three executables zipexplode, zipanalyze, and mount.xzip which will “explode” a zip, analyze a zip file, and mount exploded zips respectively.

The file structure for an exploded zip is the following:

$ zipexplode path/to/zip/name-of-zip.zip
$ tree .
.
├── data
│   ├── <sha1-data-file1>
│   ├── <sha1-data-file2>
│   ├── ...
│   └── <sha1-data-filen>
└── meta
    ├── name-of-zip.zip.dir
    ├── name-of-zip.zip.jump
    └── name-of-zip.zip.stream

The file structure would be mounted by:

$ mount.xzip . path/to/mount/point
$ ls path/to/mount/point
name-of-zip.zip

Data files may be shared between any number of exploded zips files, and the meta tuple (*.dir, *.jump, *.stream) describe the original zip file.

zipexplode accepts two options --directory and --depth to modify where it creates the data and meta directories and how many levels deep the data directory should be. zipexplode can explode multiple zip files at once, and additional help is provided with the --help option.

zipanalyze simply prints out the sha1 of different segments of the original zip file. This script was used to determine what could be deduplicated, and what needed to be stored per zip file. This executable is mainly of historical use.

mount.xzip will mount the directory structure described above, and needs to be supplied with matching directory and --depth arguments to when zipexplode was called. Additional arguments --debug, --foreground, and --single-threaded are passed to FUSE and control underlying functionality. For more information see the --help for mount.xzip. (mount.xzip also takes -o style options)

Note: At this time xzip is not zip64 safe

Release History

Release History

0.10

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
xzip-0.10.tar.gz (9.8 kB) Copy SHA256 Checksum SHA256 Source Jul 28, 2012

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