The comprehensive WSGI web application library.
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werkzeug German noun: "tool". Etymology: werk ("work"), zeug ("stuff")
Werkzeug is a comprehensive
WSGI_ web application library. It began as a simple collection of various utilities for WSGI applications and has become one of the most advanced WSGI utility libraries.
Werkzeug doesn't enforce any dependencies. It is up to the developer to choose a template engine, database adapter, and even how to handle requests. It can be used to build all sorts of end user applications such as blogs, wikis, or bulletin boards.
Flask_ wraps Werkzeug, using it to handle the details of WSGI while providing more structure and patterns for defining powerful applications.
Install and update using
.. code-block:: text
pip install -U Werkzeug
.. code-block:: python
from werkzeug.wrappers import Request, Response
@Request.application def application(request): return Response('Hello, World!')
if name == 'main': from werkzeug.serving import run_simple run_simple('localhost', 4000, application)
.. _WSGI: https://wsgi.readthedocs.io/en/latest/ .. _Flask: https://www.palletsprojects.com/p/flask/ .. _pip: https://pip.pypa.io/en/stable/quickstart/