import attr


@attr.s
class FtlResource:
    """
    Represents an (unparsed) FTL file (contents and optional filename)
    """

    text = attr.ib()
    filename = attr.ib(default=None)

    @classmethod
    def from_string(cls, text):
        return cls(text)

    @classmethod
    def from_file(cls, filename, encoding="utf-8"):
        with open(filename, "rb") as f:
            return cls(text=f.read().decode(encoding), filename=filename)