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#!/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 glob
import logging
import sys
sys.path.append('gen-py.tornado')
sys.path.insert(0, glob.glob('../../lib/py/build/lib*')[0])
from tutorial import Calculator
from tutorial.ttypes import Operation, Work, InvalidOperation
from thrift import TTornado
from thrift.transport import TTransport
from thrift.protocol import TBinaryProtocol
from tornado import gen
from tornado import ioloop
@gen.coroutine
def communicate():
# create client
transport = TTornado.TTornadoStreamTransport('localhost', 9090)
# open the transport, bail on error
try:
yield transport.open()
print('Transport is opened')
except TTransport.TTransportException as ex:
logging.error(ex)
raise gen.Return()
pfactory = TBinaryProtocol.TBinaryProtocolFactory()
client = Calculator.Client(transport, pfactory)
# ping
yield client.ping()
print("ping()")
# add
sum_ = yield client.add(1, 1)
print("1 + 1 = {0}".format(sum_))
# make a oneway call without a callback (schedule the write and continue
# without blocking)
client.zip()
print("zip() without callback")
# make a oneway call with a callback (we'll wait for the stream write to
# complete before continuing)
client.zip()
print("zip() with callback")
# calculate 1/0
work = Work()
work.op = Operation.DIVIDE
work.num1 = 1
work.num2 = 0
try:
quotient = yield client.calculate(1, work)
print("Whoa? You know how to divide by zero ? -> {0}".format(quotient))
except InvalidOperation as io:
print("InvalidOperation: {0}".format(io))
# calculate 15-10
work.op = Operation.SUBTRACT
work.num1 = 15
work.num2 = 10
diff = yield client.calculate(1, work)
print("15 - 10 = {0}".format(diff))
# getStruct
log = yield client.getStruct(1)
print("Check log: {0}".format(log.value))
# close the transport
client._transport.close()
raise gen.Return()
def main():
# create an ioloop, do the above, then stop
ioloop.IOLoop.current().run_sync(communicate)
if __name__ == "__main__":
main()
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