remrpc 0.1.8

Lightweight RPC on Redis using Msgpack.

REdis Msgpack RPC

Installation

pip install remrpc

Example

import redis
import remrpc

def add(a, b):
    return a + b

def sub(a, b):
    return a - b

def multi():
    return "Hello", "World"

def kvfunc(k="key", v="val"):
    return "{0} = {1}".format(k, v)

def nonreturn():
    print("Non Return")

class CallObject:
    def __call__(self, name):
        return "Hello {0}".format(name)

if __name__ == "__main__":
    pool = redis.ConnectionPool(host="127.0.0.1",
                                port=6379,
                                password="123456")
    rpc1 = remrpc.RPC(redis.Redis(connection_pool=pool), "channel:rpc1")
    rpc2 = remrpc.RPC(redis.Redis(connection_pool=pool), "channel:rpc2")

    rpc1.register(add)
    rpc1.register(sub)
    rpc1.register(multi)
    rpc1.register(kvfunc)
    rpc1.register(CallObject(), 'sayhello')
    rpc1.register(nonreturn)

    try:
        invoker = rpc2.invoker("channel:rpc1")

        print(invoker.add(1, 2))
        print(invoker.sub(9, 5))
        print(invoker.multi())
        print(invoker.kvfunc(k="KEY", v="VALUE"))
        print(invoker.sayhello("World"))
        print(invoker.nonreturn())
        print(invoker.nonexistent())
    except remrpc.TimedoutRPC as e:
        print("> RPC Timedout: {0}".format(e))
    except remrpc.CallErrorRPC as e:
        print("> RPC Call Error: {0}".format(e))
    except remrpc.ExceptionRPC as e:
        print("> RPC Exception: {0}".format(e))

    rpc1.close()
    rpc2.close()