How to use the pytmx.pytmx.TiledElement.__init__ function in PyTMX

def __init__(self, filename=None, image_loader=default_image_loader, **kwargs):
        """ Create new TiledMap

        :param filename: filename of tiled map to load
        :param image_loader: function that will load images (see below)
        :param optional_gids: load specific tile image GID, even if never used
        :param invert_y: invert the y axis
        :param load_all_tiles: load all tile images, even if never used
        :param allow_duplicate_names: allow duplicates in objects' metatdata

        image_loader:
          this must be a reference to a function that will accept a tuple:
          (filename of image, bounding rect of tile in image, flags)
          the function must return a reference to to the tile.
        """
        TiledElement.__init__(self)
        self.filename = filename
        self.image_loader = image_loader

        # optional keyword arguments checked here
        self.optional_gids = kwargs.get('optional_gids', set())
        self.load_all_tiles = kwargs.get('load_all', True)
        self.invert_y = kwargs.get('invert_y', True)

        # allow duplicate names to be parsed and loaded
        TiledElement.allow_duplicate_names = \
            kwargs.get('allow_duplicate_names', False)

        self.layers = list()  # all layers in proper order
        self.tilesets = list()  # TiledTileset objects
        self.tile_properties = dict()  # tiles that have properties
        self.layernames = dict()

def __init__(self, parent, node):
        TiledElement.__init__(self)
        self.parent = parent
        self.offset = (0, 0)

        # defaults from the specification
        self.firstgid = 0
        self.source = None
        self.name = None
        self.tilewidth = 0
        self.tileheight = 0
        self.spacing = 0
        self.margin = 0
        self.tilecount = 0
        self.columns = 0

        # image properties
        self.trans = None

def __init__(self, parent, node):
        TiledElement.__init__(self)

        # defaults from the specification
        self.name = None
        self.type = None
        self.value = None

        self.parse_xml(node)

def __init__(self, parent, node):
        TiledElement.__init__(self)
        self.parent = parent

        # defaults from the specification
        self.name = None
        self.color = None
        self.opacity = 1
        self.visible = 1
        self.offsetx = 0
        self.offsety = 0
        self.draworder = "topdown"

        self.parse_xml(node)

def __init__(self, parent, node):
        TiledElement.__init__(self)
        self.parent = parent
        self.source = None
        self.trans = None
        self.gid = 0

        # defaults from the specification
        self.name = None
        self.opacity = 1
        self.visible = 1

        self.parse_xml(node)

def __init__(self, parent, node):
        TiledElement.__init__(self)
        self.parent = parent
        self.data = list()

        # defaults from the specification
        self.name = None
        self.width = 0
        self.height = 0
        self.opacity = 1.0
        self.visible = True
        self.offsetx = 0
        self.offsety = 0

        self.parse_xml(node)

def __init__(self, parent, node):
        TiledElement.__init__(self)
        self.parent = parent

        # defaults from the specification
        self.id = 0
        self.name = None
        self.type = None
        self.x = 0
        self.y = 0
        self.width = 0
        self.height = 0
        self.rotation = 0
        self.gid = 0
        self.visible = 1
        self.template = None

        self.parse_xml(node)