https://github.com/pallets/flask

The Python micro framework for building web applications.
https://github.com/pallets/flask

flask jinja pallets python web-framework werkzeug wsgi

Last synced: 4 days ago
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The Python micro framework for building web applications.

• Host: GitHub
• URL: https://github.com/pallets/flask
• Owner: pallets
• License: bsd-3-clause
• Created: 2010-04-06T11:11:59.000Z (over 14 years ago)
• Default Branch: main
• Last Pushed: 2024-11-24T01:54:35.000Z (19 days ago)
• Last Synced: 2024-12-02T07:02:01.030Z (11 days ago)
• Topics: flask, jinja, pallets, python, web-framework, werkzeug, wsgi
• Language: Python
• Homepage: https://flask.palletsprojects.com
• Size: 10.3 MB
• Stars: 68,208
• Watchers: 2,119
• Forks: 16,248
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGES.rst
  • Contributing: CONTRIBUTING.rst
  • License: LICENSE.txt
  • Code of conduct: CODE_OF_CONDUCT.md

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README

        
# Flask

Flask is a lightweight [WSGI][] web application framework. It is designed

to make getting started quick and easy, with the ability to scale up to

complex applications. It began as a simple wrapper around [Werkzeug][]

and [Jinja][], and has become one of the most popular Python web

application frameworks.

Flask offers suggestions, but doesn't enforce any dependencies or

project layout. It is up to the developer to choose the tools and

libraries they want to use. There are many extensions provided by the

community that make adding new functionality easy.

[WSGI]: https://wsgi.readthedocs.io/

[Werkzeug]: https://werkzeug.palletsprojects.com/

[Jinja]: https://jinja.palletsprojects.com/

## A Simple Example

```python

# save this as app.py

from flask import Flask

app = Flask(__name__)

@app.route("/")

def hello():

    return "Hello, World!"

```

```

$ flask run

  * Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)

```

## Donate

The Pallets organization develops and supports Flask and the libraries

it uses. In order to grow the community of contributors and users, and

allow the maintainers to devote more time to the projects, [please

donate today][].

[please donate today]: https://palletsprojects.com/donate