existing_api.py

# encoding: utf8
#
# Copyright © Burak Arslan <burak at arskom dot com dot tr>,
#             Arskom Ltd. http://www.arskom.com.tr
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#    1. Redistributions of source code must retain the above copyright notice,
#       this list of conditions and the following disclaimer.
#    2. Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#    3. Neither the name of the owner nor the names of its contributors may be
#       used to endorse or promote products derived from this software without
#       specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#


import logging
import random

from spyne import Application, srpc, Service, Integer, UnsignedInteger, \
    Mandatory as M

from spyne.protocol.http import HttpRpc
from spyne.server.wsgi import WsgiApplication


class RandomService(Service):
    # We need the _args argument here because we only want to expose the
    # `a` and `b` arguments and not the `self` argument.
    randint = srpc(M(Integer), M(Integer), _returns=Integer,
                                               _args=('a', 'b'))(random.randint)

    # We need the _args argument here because `getrandbits` is a builtin, which
    # means it's not ready for introspection.
    randbits = srpc(M(UnsignedInteger), _returns=UnsignedInteger,
                                               _args=('k',))(random.getrandbits)


if __name__=='__main__':
    from wsgiref.simple_server import make_server

    logging.basicConfig(level=logging.DEBUG)

    application = Application([RandomService], 'spyne.examples.hello.http',
             in_protocol=HttpRpc(validator='soft'), out_protocol=HttpRpc())

    server = make_server('127.0.0.1', 8000, WsgiApplication(application))

    logging.info("listening to http://127.0.0.1:8000")
    logging.info("wsdl is at: http://localhost:8000/?wsdl")

    server.serve_forever()