def crs_id(self) -> Optional[str]:
if self._crs is None:
return None
return GdalAux.crs_id(self._crs)
def test_crs_id(self):
wkt = """
GEOGCS["WGS 84",DATUM["WGS_1984",SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]],AUTHORITY["EPSG","6326"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.01745329251994328,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4326"]]
"""
self.assertEqual(GdalAux.crs_id(wkt=wkt), "4326")
