pip install transmit

from transmit.server import Server

class TestServer(Server):
    def __init__(self,port=18100):
        super().__init__(port)

    def test_function(self,msg):
        print('Testing:',msg)
        return {"say":"Happy everyday!!!"}

if __name__ == '__main__':
    ts = TestServer()
    ts.run()

{
    "code":1,
    "msg":"success",
    "data":"handle result data. AnyType"
}

{
    "code":0,
    "msg":"error message",
    "data":null
}

from transmit.client import Client

with Client("127.0.0.1",18100) as c:
    result = c.test_function({"msg":"hello world"})
    print(type(result))
    print(result)