geometry.py 文件源码

def assert_multilinestring(geometry: Union[LineString, MultiLineString, GeometryCollection]) -> List[LineString]:
    """
    given a LineString or MultiLineString, return a list of LineStrings
    :param geometry: a LineString or a MultiLineString
    :return: a list of LineStrings
    """
    if geometry.is_empty:
        return []
    if isinstance(geometry, LineString):
        return [geometry]
    return [geom for geom in geometry.geoms if isinstance(geom, LineString)]