model-service/model_service/utils/require_decorators.py

#!/usr/bin/env python3
from flask import request, current_app, abort

from functools import wraps


def json_required(f):
    @wraps(f)
    def call(*args, **kwargs):

        if request.is_json:
            return f(*args, **kwargs)
        else:
            abort(400, "JSON required")

    return call


def multipart_required(f):
    @wraps(f)
    def call(*args, **kwargs):

        if request.form:
            return f(*args, **kwargs)
        else:
            abort(400, "multipart/form-data required")

    return call