Data Persistence and Formats

pickle, shelve, sqlite3, dbm, json, csv, tomllib, configparser, xml and html.

Easy

This is an overview — pick a sub-topic below.

Sub-topics (9)

Read and write JSON — the standard format for APIs and config files.

Beginner♥ 0🔖 0💬 0

Read and write comma-separated files correctly (quoting, delimiters).

Beginner♥ 0🔖 0💬 0

A full SQL database in a single file, built into Python.

Easy♥ 0🔖 0💬 0

Serialise almost any Python object to bytes and back.

Easy♥ 0🔖 0💬 0

Persistent dictionary-like storage on disk.

Intermediate♥ 0🔖 0💬 0

Parse TOML files such as pyproject.toml (read-only, 3.11+).

Easy♥ 0🔖 0💬 0

Read and write INI-style configuration files.

Easy♥ 0🔖 0💬 0

Parse and build XML with xml.etree.ElementTree (plus DOM and SAX APIs).

Intermediate♥ 0🔖 0💬 0

Escape and unescape HTML text, plus a simple HTML parser.

Easy♥ 0🔖 0💬 0

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