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80 lines
2.4 KiB
80 lines
2.4 KiB
Werkzeug
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========
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Werkzeug is a comprehensive `WSGI`_ web application library. It began as
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a simple collection of various utilities for WSGI applications and has
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become one of the most advanced WSGI utility libraries.
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It includes:
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* An interactive debugger that allows inspecting stack traces and source
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code in the browser with an interactive interpreter for any frame in
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the stack.
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* A full-featured request object with objects to interact with headers,
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query args, form data, files, and cookies.
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* A response object that can wrap other WSGI applications and handle
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streaming data.
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* A routing system for matching URLs to endpoints and generating URLs
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for endpoints, with an extensible system for capturing variables from
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URLs.
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* HTTP utilities to handle entity tags, cache control, dates, user
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agents, cookies, files, and more.
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* A threaded WSGI server for use while developing applications locally.
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* A test client for simulating HTTP requests during testing without
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requiring running a server.
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Werkzeug is Unicode aware and doesn't enforce any dependencies. It is up
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to the developer to choose a template engine, database adapter, and even
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how to handle requests. It can be used to build all sorts of end user
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applications such as blogs, wikis, or bulletin boards.
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`Flask`_ wraps Werkzeug, using it to handle the details of WSGI while
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providing more structure and patterns for defining powerful
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applications.
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Installing
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----------
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Install and update using `pip`_:
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.. code-block:: text
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pip install -U Werkzeug
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A Simple Example
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----------------
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.. code-block:: python
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from werkzeug.wrappers import Request, Response
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@Request.application
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def application(request):
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return Response('Hello, World!')
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if __name__ == '__main__':
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from werkzeug.serving import run_simple
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run_simple('localhost', 4000, application)
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Links
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-----
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* Website: https://www.palletsprojects.com/p/werkzeug/
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* Releases: https://pypi.org/project/Werkzeug/
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* Code: https://github.com/pallets/werkzeug
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* Issue tracker: https://github.com/pallets/werkzeug/issues
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* Test status:
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* Linux, Mac: https://travis-ci.org/pallets/werkzeug
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* Windows: https://ci.appveyor.com/project/davidism/werkzeug
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* Test coverage: https://codecov.io/gh/pallets/werkzeug
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.. _WSGI: https://wsgi.readthedocs.io/en/latest/
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.. _Flask: https://www.palletsprojects.com/p/flask/
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.. _pip: https://pip.pypa.io/en/stable/quickstart/
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