13. 数据压缩和存档
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本章中描述的模块支持使用 zlib、gzip、bzip2 和 lzma 算法进行数据压缩，
以及创建 ZIP 和 tar-format 档案。参见 Archiving operations 由 "shutil"
模块提供。

* 13.1. "zlib" --- Compression compatible with **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. 示例

* 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. 示例

  * 13.6.5. Supported tar formats

  * 13.6.6. Unicode issues
