flask-params-parse-decorator.py

from functools import wraps
def parse_request_data(f):
    @wraps(f)
    def parse(*args, **kwargs):
        json_type = False
        for header in request.headers:
            if header[0] == 'Content-Type':
                if "application/json" in header[1].lower():
                    json_type = True
        data = {}
        if json_type:
            try:
                # load url args are json
                for key, value in request.values.iteritems():
                    try:
                        value = json.loads(value)
                    except:
                        pass
                    data.update({key: value})
                # load the json data params
                for key, value in request.json.iteritems():
                    data.update({key: value})
            except:  # (werkzeug.exceptions.BadRequest)
                pass
        else:
            for key, value in request.values.iteritems():
                data.update({key: value})
        return f(data, *args, **kwargs)
    return parse