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- Werkzeug
- ========
- 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.
- It includes:
- * An interactive debugger that allows inspecting stack traces and source
- code in the browser with an interactive interpreter for any frame in
- the stack.
- * A full-featured request object with objects to interact with headers,
- query args, form data, files, and cookies.
- * A response object that can wrap other WSGI applications and handle
- streaming data.
- * A routing system for matching URLs to endpoints and generating URLs
- for endpoints, with an extensible system for capturing variables from
- URLs.
- * HTTP utilities to handle entity tags, cache control, dates, user
- agents, cookies, files, and more.
- * A threaded WSGI server for use while developing applications locally.
- * A test client for simulating HTTP requests during testing without
- requiring running a server.
- Werkzeug is Unicode aware and 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.
- Installing
- ----------
- Install and update using `pip`_:
- .. code-block:: text
- pip install -U Werkzeug
- A Simple Example
- ----------------
- .. 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)
- Links
- -----
- * Website: https://www.palletsprojects.com/p/werkzeug/
- * Releases: https://pypi.org/project/Werkzeug/
- * Code: https://github.com/pallets/werkzeug
- * Issue tracker: https://github.com/pallets/werkzeug/issues
- * Test status:
- * Linux, Mac: https://travis-ci.org/pallets/werkzeug
- * Windows: https://ci.appveyor.com/project/davidism/werkzeug
- * Test coverage: https://codecov.io/gh/pallets/werkzeug
- .. _WSGI: https://wsgi.readthedocs.io/en/latest/
- .. _Flask: https://www.palletsprojects.com/p/flask/
- .. _pip: https://pip.pypa.io/en/stable/quickstart/
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