Homepage: https://webargs.readthedocs.io/

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

from flask import Flask
from webargs import fields
from webargs.flaskparser import use_args
app = Flask(__name__)
@app.route("/")
@use_args({"name": fields.Str(required=True)}, location="query")
def index(args):
    return "Hello " + args["name"]
if __name__ == "__main__":
    app.run()
# curl https://localhost:5000/\?name\='World'
# Hello World

pip install -U webargs

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

webargs is maintained by a group of volunteers. If you'd like to support the future of the project, please consider contributing to our Open Collective:

Professionally-supported webargs is available through the Tidelift Subscription.

Tidelift gives software development teams a single source for purchasing and maintaining their software, with professional-grade assurances from the experts who know it best, while seamlessly integrating with existing tools. [Get professional support]

To report a security vulnerability, please use the Tidelift security contact. Tidelift will coordinate the fix and disclosure.

• Docs: https://webargs.readthedocs.io/
• Changelog: https://webargs.readthedocs.io/en/latest/changelog.html
• Contributing Guidelines: https://webargs.readthedocs.io/en/latest/contributing.html
• PyPI: https://pypi.python.org/pypi/webargs
• Issues: https://github.com/marshmallow-code/webargs/issues
• Ecosystem / related packages: https://github.com/marshmallow-code/webargs/wiki/Ecosystem

MIT licensed. See the LICENSE file for more details.