Using redis server to build RPC environment - by Oscar LASM
rpcviaredis intended to provide a simple tool for establishing a pattern RPC over an installation Redis. Implement python, it is composed of:
- Server which serve remote commands
- Client Use to connect and call commands hosted on server
- Transport protocol Use to pack and unpack request and response during communication process
Examples:
Server implementation:
from rpcviaredis import *
class DummyServer(ServerRPC):
def sum(self, x, y):
return Response(response=x+y, exception=None, reason=None, return_code=200)
def naive_div(self, x, y):
return Response(response=x/y, exception=None, reason=None, return_code=200)
def multiplication(self, x, y):
return Response(response=x*y, exception=None, reason=None, return_code=200)
if __name__ == "__main__":
import redis
r = redis.StrictRedis(db=2)
s = DummyServer(r, 'test-rpc', transport_klass=JSONTransport)
try:
s.start()
except KeyboardInterrupt:
pass
finally:
s.stop()
Client Implementation
import redis
from rpcviaredis import Client
r = redis.StrictRedis(db=2)
c = Client(r, 'test-rpc', transport_klass=JsonTransport)
retval = c.sum(1,2)
print(retval.response) # print 3
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