Flask-APIForm
A simple form validator for REST APIs in Flask.
To install it :
pip install Flask-APIForm
Fields
| Field | Properties |
|---|---|
| Field | required (boolean, default=True), allowed (list or tuple), default, source (args [default], form, files, or url) |
| FileField | extensions (list or tuple), |
| StringField | minlength, maxlength, regex |
| EmailField | |
| NumField | min, max |
| IntField | base (default=10) |
| HexField | length, filter (function) |
Example
from flask import Flask, request, Response
from flaskext.apiform import Form, StringField, IntField
try:
from json import dumps
except ImportError:
from simplejson import dumps
def json(response='', code=200, headers=None):
return Response(dumps(response), code, mimetype='application/json', headers=headers)
class IndexForm(Form):
name = StringField(minlength=1, maxlength=20)
age = IntField(min=1, max=120)
app = Flask(__name__)
@app.route("/")
def index():
form = IndexForm(request)
if not form.validate():
return json({'message': 'Validation Failed', 'errors': form.errors}, 422)
return json({'name': form.name, 'age': form.age})
if __name__ == "__main__":
app.debug = True
app.run()
