models.py 文件源码

def fromxml(cls, tag, tilemap, firstgid=None):
        if 'source' in tag.attrib:
            firstgid = int(tag.attrib['firstgid'])
            path = tag.attrib['source']
            if not os.path.exists(path):
                path = os.path.join(tilemap.file_path, path)
            with open(path) as f:
                tileset = ElementTree.fromstring(f.read())
            return cls.fromxml(tileset, firstgid)

        name = tag.attrib['name']
        if firstgid is None:
            firstgid = int(tag.attrib['firstgid'])
        tile_width = int(tag.attrib['tilewidth'])
        tile_height = int(tag.attrib['tileheight'])
        spacing = int(tag.get('spacing', 0))
        margin = int(tag.get('margin', 0))

        tileset = cls(name, tile_width, tile_height, firstgid,
                      spacing, margin)

        for c in tag.getchildren():
            if c.tag == "image":
                # create a tileset
                tileset.add_image(tilemap.file_path, c.attrib['source'])
            elif c.tag == 'tile':
                gid = tileset.firstgid + int(c.attrib['id'])
                tileset.get_tile(gid).loadxml(c)
        return tileset