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# 12. Compression de donnée et archivage

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.

- 12.1. `zlib` — Compression compatible avec gzip
- 12.2. `gzip` — Support pour les fichiers gzip
  - 12.2.1. Exemples d’utilisation
- 12.3. `bz2` — Compression compatible with bzip2
  - 12.3.1. (Dé)compression de fichiers
  - 12.3.2. Sequential (de)compression
  - 12.3.3. (Dé)compression en une fois
- 12.4. `zipfile` — Travailler avec des archives ZIP
  - 12.4.1. Objets ZipFile
  - 12.4.2. Objets PyZipFile
  - 12.4.3. Objets ZipInfo
  - 12.4.4. Command-Line Interface
    - 12.4.4.1. Command-line options
- 12.5. `tarfile` — Read and write tar archive files
  - 12.5.1. TarFile Objects
  - 12.5.2. TarInfo Objects
  - 12.5.3. Exemples
  - 12.5.4. Supported tar formats
  - 12.5.5. Unicode issues