base-flask/app/validators/base.py

from flask import request
from wtforms import Form

from app.libs.error_code import ParameterException


class BaseForm(Form):
    def __init__(self, *args, **kwargs):
        data = request.get_json(silent=True)
        args = request.args.to_dict()
        kwargs['csrf_enabled'] = False
        super(BaseForm, self).__init__(data=data, **args, **kwargs)

    def validate_for_api(self):
        valid = super(BaseForm, self).validate()
        if not valid:
            raise ParameterException(message=self.errors)
        return self