python thrift简单例子

本文介绍如何使用Thrift实现远程过程调用(RPC),包括定义服务接口、生成客户端和服务端代码、启动服务及从客户端调用服务的方法。

HelloService.thrift

service HelloService {
    void sayHello()
	string getData(1:string input)
	
}

thrift -gen py HelloService.thrift

即可生成gen-py

server.py

#!/usr/bin/env python

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#

import sys, glob
from HelloService import HelloService
from HelloService.ttypes import *


from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from thrift.server import TServer

class HelloServiceHandler:
  def __init__(self):
    self.log = {}
  def func1(self):
    print 'func1()'
  def sayHello(self):
    print 'sayHello'
  def getData(self, input):
      return input+' from server 1024';


handler = HelloServiceHandler()
processor = HelloService.Processor(handler)
transport = TSocket.TServerSocket(port=9090)
tfactory = TTransport.TBufferedTransportFactory()
pfactory = TBinaryProtocol.TBinaryProtocolFactory()

server = TServer.TSimpleServer(processor, transport, tfactory, pfactory)

# You could do one of these for a multithreaded server
#server = TServer.TThreadedServer(processor, transport, tfactory, pfactory)
#server = TServer.TThreadPoolServer(processor, transport, tfactory, pfactory)

print 'Starting the server...'
server.serve()
print 'done.'


client.py

#!/usr/bin/env python

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#

import sys, glob

from HelloService import HelloService
from HelloService.ttypes import *


from thrift import Thrift
from thrift.transport import TSocket
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol

try:

  # Make socket
  transport = TSocket.TSocket('localhost', 9090)

  # Buffering is critical. Raw sockets are very slow
  transport = TTransport.TBufferedTransport(transport)

  # Wrap in a protocol
  protocol = TBinaryProtocol.TBinaryProtocol(transport)

  # Create a client to use the protocol encoder
  client = HelloService.Client(protocol)

  # Connect!
  transport.open()

  client.sayHello();
  print 'ping()'

  print(client.getData("client access"))
  # Close!
  transport.close()

except Thrift.TException, tx:
  print '%s' % (tx.message)




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