picklerpc 0.1.0

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Pickle RPC in Python

Very simple RPCs built with sockets & pickle in python. Support numpy as input and output arguments.

Install

pip install picklerpc

Example

Server

import picklerpc
import numpy as np

# function
def numpy_create(shape, dtype):
    return np.arange(np.prod(shape), dtype=dtype).reshape(shape)

def hello():
    return "Hello, world!"

def hello2():
    return None

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

class HelloRPC(object):
    def hello3(self, name):
        return "Hello, %s" % name

# register
server = picklerpc.PickleRPCServer(('localhost', 9102))
server.register_function(numpy_create)
server.register_function(hello)
server.register_function(hello2)
server.register_function(lambda x,y: x-y, 'minus')
server.register_function(add)
server.register_instance(HelloRPC())  #from instance
server.serve_forever()

Client

import picklerpc
import numpy as np

client = picklerpc.PickleRPCClient(('localhost', 9102))

print(client.numpy_create((3,4), dtype=np.float32))
print(client.hello())
print(client.hello3('From Instance'))
print(client.add(np.range(10), 3))
print(client.minus(np.range(10), 3))

Speed compare

The picklerpc is most 10x faster than zerorpc and xmlrpc.

	zerorpc	xmlrpc	picklerpc (mine)
Protocal	tcp	http	tcp
Data Stream	-	xml	pickle
Multiple Client	Yes	Yes	Yes
Data Types	Natives	Natives	Natives + Numpy
Speed (local loop)	683 µs	462 µs	59 µs
Speed (remote)	2.76 ms	4.64 ms	0.54 ms

Reference

Thanks https://github.com/TarasZhere/RPC