def __repr__(self):
        return "<NamedRequirements({}{})>".format(
            self.name,
            ", filename='{}'".format(self.filename.name) if self.filename
            else "")
def __init__(self, *args, **kwargs):
        BaseConverter.__init__(self, *args, **kwargs)
        self.type_ = "string"
        self.regex = '[^(/;)]+'