def get_boundingbox(self):
        """
        Return minimum and maximum x and z coordinates of the chunks that
        make up this world save
        """
        b = BoundingBox()
        for rx,rz in self.regionfiles.keys():
            region = self.get_region(rx,rz)
            rx,rz = 32*rx,32*rz
            for cc in region.get_chunk_coords():
                x,z = (rx+cc['x'],rz+cc['z'])
                b.expand(x,None,z)
        return b
def get_boundingbox ( self ) : b = BoundingBox ( ) for rx , rz in self . regionfiles . keys ( ) : region = self . get_region ( rx , rz ) rx , rz = 32 * rx , 32 * rz for cc in region . get_chunk_coords ( ) : x , z = ( rx + cc [ 'x' ] , rz + cc [ 'z' ] ) b . expand ( x , None , z ) return b
Return minimum and maximum x and z coordinates of the chunks that
        make up this world save