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Other Persistent Storage Modules
The modules listed on this page provide other mechanisms for storing data. Some modules are simply the disk-based equivalent of dictionaries; others provide for persistent storage of arbitrary Python objects.
| Disk-based Dictionaries | |
| anydbm | Included with the standard Python distribution.
The anydbm module is a generic interface to all the
DBM-like modules listed in the next two lines, selecting from
whichever modules are installed.
|
| DBM, GDBM, dbhash |
Included with the standard Python distribution. Each of these modules is an interface to a specific library. |
| BSDDB | Included with the standard Python distribution. In addition to dictionary-like behaviour, this module also supports B-trees, which allows traversing the keys in sorted order. |
| Metakit | MetaKit is a C++ library for storage, transport, and manipulation of structured objects and collections. A Python interface is available. |
| mxBeeBase | mxBeeBase is a high performance construction kit for disk based indexed databases. It offers components which you can plug together to easily build your own custom mid-sized databases, up to around 2Gb on 32-bit platforms). |
| Persistent Objects | |
pickle.py |
Included with the standard Python distribution. The
pickle module can convert Python objects to and from
a string representation.
|
shelve.py |
Included with the standard Python distribution.
Built on top of the pickle and anydbm
modules, the shelve module behaves like a persistent
dictionary whose values can be arbitrary Python objects.
|
| PyPerSyst | A portable object database management system (ODBMS) as well as a database application framework. PyPerSyst works well with Pyro and Twisted. |
| PyVersant | A wrapper for the Versant commercial OODBMS. |
| ZODB | The Zope Object Database is a persistent-object system that provides transparent transactional object persistence to Python applications. |
| Durus | A simpler object persistence system than ZODB, developed at MEMS Exchange after substantial experience with ZODB. |