validators.py 文件源码

def validate(validation_class, silent=not settings.DEBUG):
    def decorator(fun):
        @functools.wraps(fun)
        def wrapper(*a, **kw):
            if flask.request.method == 'GET':
                p = {k: v for k, v in flask.request.values and flask.request.values.items() or {}}
            else:
                try:
                    p = flask.request.data and json.loads(flask.request.data.decode())
                except Exception:
                    raise exceptions.WrongParametersException
            if silent:
                try:
                    validation_class(p)
                except PyCombValidationError:
                    raise exceptions.WrongParametersException
            else:
                validation_class(p)
            return fun(*a, params=p, **kw)
        return wrapper
    return decorator