11. Data Persistence
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https://docs.python.org/2/library/persistence.html

The modules described in this chapter support storing Python data in a persistent form on disk. The pickle and marshal modules can turn many Python data types into a stream of bytes and then recreate the objects from the bytes. The various DBM-related modules support a family of hash-based file formats that store a mapping of strings to other strings. The bsddb module also provides such disk-based string-to-string mappings based on hashing, and also supports B-Tree and record-based formats.


.. toctree::
    :maxdepth: 1
    :numbered:

    11.1_pickle
    11.2_cpickle
    11.3_copy_reg
    11.4_shelve
    11.5_marshal
    11.6_anydbm
    11.7_whichdb.rst
    11.8_dbm.rst
    11.9_gdbm.rst
    11.10_dbhash.rst
    11.11_bsddb.rst
    11.12_dumbdbm.rst
    11.13_sqlite.rst