from werkzeug.routing import BaseConverter from app.models.service import Service class TemplateTypeConverter(BaseConverter): regex = "(?:{})".format("|".join(Service.TEMPLATE_TYPES)) class SimpleDateTypeConverter(BaseConverter): regex = r"([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))"