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A fast RPC library based on asyncio and MessagePack

Project description

https://badge.fury.io/py/aiorpc.png https://travis-ci.org/choleraehyq/aiorpc.png?branch=master

aiorpc is a lightweight asynchronous RPC library. It enables you to easily build a distributed server-side system by writing a small amount of code. It is built on top of asyncio and MessagePack.

Installation

To install aiorpc, simply:

$ pip install aiorpc

Examples

RPC server

from aiorpc import register, serve

import asyncio
import uvloop


def echo(msg):
    return msg

loop = uvloop.new_event_loop()
asyncio.set_event_loop(loop)
register("echo", echo)
coro = asyncio.start_server(serve, '127.0.0.1', 6000, loop=loop)
server = loop.run_until_complete(coro)

try:
    loop.run_forever()
except KeyboardInterrupt:
    server.close()
    loop.run_until_complete(server.wait_closed())

RPC client

from aiorpc import RPCClient

import asyncio
import uvloop

async def do(cli):
    ret = await client.call('echo', 'message')
    print("{}\n".format(ret))

loop = uvloop.new_event_loop()
asyncio.set_event_loop(loop)
client = RPCClient('127.0.0.1', 6000)
loop.run_until_complete(do(client))
client.close()

Performance

aiorpc with uvloop significantly outperforms ZeroRPC (6x faster), which is built using ZeroMQ and MessagePack and slightly underperforms official MessagePack RPC (0.7x slower), which is built using Facebook’s Tornado and MessagePack.

  • aiorpc

% python benchmarks/benchmark_aiorpc.py
call: 2236 qps
  • Official MesssagePack RPC

% pip install msgpack-rpc-python
% python benchmarks/benchmark_msgpackrpc.py
call: 3112 qps
  • ZeroRPC

% pip install zerorpc
% python benchmarks/benchmark_zerorpc.py
call: 351 qps

Documentation

Documentation is available at http://aiorpc.readthedocs.org/. (Since readthedocs don’t support Python 3.5 yet, this page is unavailable now.)

Project details


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