Data Compression and Archiving
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The modules described in this chapter support data compression with
the zlib, gzip, and bzip2 algorithms, and  the creation of ZIP- and
tar-format archives. See also Archiving operations provided by the
"shutil" module.

* "zlib" --- Compression compatible with **gzip**

* "gzip" --- Support for **gzip** files

  * Examples of usage

* "bz2" --- Compression compatible with **bzip2**

  * (De)compression of files

  * Sequential (de)compression

  * One-shot (de)compression

* "zipfile" --- Work with ZIP archives

  * ZipFile Objects

  * PyZipFile Objects

  * ZipInfo Objects

  * Command-Line Interface

    * Command-line options

* "tarfile" --- Read and write tar archive files

  * TarFile Objects

  * TarInfo Objects

  * Examples

  * Supported tar formats

  * Unicode issues
