Morecantile is like geo/mercantile (the best tool to work with Web Mercator tile indexes), but with support for other TileMatrixSet grids. Morecantile follows the OGC Two Dimensional Tile Matrix Set specification 2.0 found in https://docs.ogc.org/is/17-083r4/17-083r4.htmlWWW: https://pypi.python.org/pypi/morecantile