13. Data Compression and Archiving
**********************************

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

* 13.1. "zlib" --- Compresión compatible con **gzip**

* 13.2. "gzip" --- Support for **gzip** files

  * 13.2.1. Examples of usage

* 13.3. "bz2" --- Support for **bzip2** compression

  * 13.3.1. (De)compression of files

  * 13.3.2. Incremental (de)compression

  * 13.3.3. One-shot (de)compression

* 13.4. "lzma" --- Compression using the LZMA algorithm

  * 13.4.1. Reading and writing compressed files

  * 13.4.2. Compressing and decompressing data in memory

  * 13.4.3. Miscellaneous

  * 13.4.4. Specifying custom filter chains

  * 13.4.5. Examples

* 13.5. "zipfile" --- Work with ZIP archives

  * 13.5.1. ZipFile Objects

  * 13.5.2. PyZipFile Objects

  * 13.5.3. ZipInfo Objects

  * 13.5.4. Command-Line Interface

    * 13.5.4.1. Command-line options

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

  * 13.6.1. TarFile Objects

  * 13.6.2. TarInfo Objects

  * 13.6.3. Command-Line Interface

    * 13.6.3.1. Command-line options

  * 13.6.4. Examples

  * 13.6.5. Supported tar formats

  * 13.6.6. Unicode issues
