I actually found 1 possible solution, but after I install grpcio and grpcio-tools the folder grpc._cython.cygrpc is still empty. So I suppose we have a new way that is currently not shown in API reference?
import grpc
from grpc._cython.cygrpc import CompressionAlgorithm
from grpc._cython.cygrpc import CompressionLevel
ssl_creds = grpc.ssl_channel_credentials()
chan_ops = [('grpc.default_compression_algorithm', CompressionAlgorithm.gzip),
('grpc.grpc.default_compression_level', CompressionLevel.high)] chan = grpc.secure_channel("<srv_addr>:<srv_port>", ssl_creds, chan_ops)