Homepage: https://webargs.readthedocs.org/

webargs is a Python library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.

from flask import Flask
from webargs import fields
from webargs.flaskparser import use_args

app = Flask(__name__)

hello_args = {
    'name': fields.Str(required=True)
}

@app.route('/')
@use_args(hello_args)
def index(args):
    return 'Hello ' + args['name']

if __name__ == '__main__':
    app.run()

# curl http://localhost:5000/\?name\='World'
# Hello World

pip install -U webargs

webargs supports Python >= 2.6 or >= 3.3.

Full documentation is available at https://webargs.readthedocs.org/.

• Docs: http://webargs.readthedocs.org/
• Changelog: http://webargs.readthedocs.org/en/latest/changelog.html
• PyPI: https://pypi.python.org/pypi/webargs
• Issues: https://github.com/sloria/webargs/issues

MIT licensed. See the LICENSE file for more details.