def _get_srs(self):
        try:
            srs_ptr = capi.get_geom_srs(self.ptr)
            return SpatialReference(srs_api.clone_srs(srs_ptr))
        except SRSException:
            return None
Target database must support savepoints.
dataset/ETHPy150Open django/django/django/contrib/gis/gdal/geometries.py/OGRGeometry._get_srs--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/requirements.py/SuiteRequirements.savepoints