Data Persistence¶
The modules described in this chapter support storing Python data in apersistent form on disk. Thepickle andmarshal modules can turnmany Python data types into a stream of bytes and then recreate the objects fromthe bytes. The various DBM-related modules support a family of hash-based fileformats that store a mapping of strings to other strings.
The list of modules described in this chapter is:
pickle— Python object serializationcopyreg— Registerpicklesupport functionsshelve— Python object persistencemarshal— Internal Python object serializationdbm— Interfaces to Unix «databases»sqlite3— DB-API 2.0 interface for SQLite databases- Tutorial
- Reference
- How-to guides
- How to use placeholders to bind values in SQL queries
- How to adapt custom Python types to SQLite values
- How to convert SQLite values to custom Python types
- Adapter and converter recipes
- How to use connection shortcut methods
- How to use the connection context manager
- How to work with SQLite URIs
- How to create and use row factories
- How to handle non-UTF-8 text encodings
- Explanation