an adaptor for geometries sent to the mysql and oracle database backends hook for oracle an adaptor for geometries sent to the mysql and oracle database backends hook for oracle
class WKTAdapter:
    

    def __init__(self, geom):
        self.wkt = geom.wkt
        self.srid = geom.srid

    def __eq__(self, other):
        return (
            isinstance(other, WKTAdapter)
            and self.wkt == other.wkt
            and self.srid == other.srid
        )

    def __hash__(self):
        return hash((self.wkt, self.srid))

    def __str__(self):
        return self.wkt

    @classmethod
    def _fix_polygon(cls, poly):
        
        return poly