import grpc

from grpc._cython.cygrpc import CompressionAlgorithm
from grpc._cython.cygrpc import CompressionLevel

chan_ops = [('grpc.default_compression_algorithm', CompressionAlgorithm.gzip),
            ('grpc.grpc.default_compression_level', CompressionLevel.high)]
chan = grpc.insecure_channel("<srv_addr>:<srv_port>", chan_ops)