from msgpack import unpackb

cdef class FileData:

    def __init__(self, str folder, str filename):
        self.folder = folder
        self.filename = filename

    @staticmethod
    cdef from_msgpack(bytes data):
        unpacked = unpackb(data, strict_map_key=False)
        return FileData(
            unpacked.get("Folder"),
            unpacked.get("Filename"))