Various utility functions shipped with Werkzeug.

HTML Helpers

General Helpers

URL Helpers

Please refer to URL Helpers.

User Agent API

UserAgent Parsing (deprecated)

Deprecated since version 2.0: This module will be removed in Werkzeug 2.1. Subclass werkzeug.user_agent.UserAgent to use a dedicated parser instead.

Security Helpers

New in version 0.6.1.


Werkzeug uses standard Python logging. The logger is named "werkzeug".

import logging
logger = logging.getLogger("werkzeug")

If the logger level is not set, it will be set to INFO on first use. If there is no handler for that level, a StreamHandler is added.