#!/usr/bin/env python # encoding: utf8 # # Copyright © Burak Arslan , # 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. # """This is a gallery of protocols. Visit the following urls in a browser to get the same information in different protocols.: http://localhost:9910/xml/get_utc_time http://localhost:9910/html/get_utc_time http://localhost:9910/rest/get_utc_time http://localhost:9910/soap/get_utc_time http://localhost:9910/png/get_utc_time http://localhost:9910/svg/get_utc_time http://localhost:9910/json/get_utc_time http://localhost:9910/jsoni/get_utc_time http://localhost:9910/jsonl/get_utc_time http://localhost:9910/jsonil/get_utc_time http://localhost:9910/mpo/get_utc_time http://localhost:9910/mpr/get_utc_time http://localhost:9910/yaml/get_utc_time You need python bindings for librsvg for svg & png protocols. # debian/ubuntu apt-get install python-rsvg # gentoo emerge librsvg-python along with every other otherwise optional Spyne dependency. """ import logging from datetime import datetime from protocol import PngClock from protocol import SvgClock from spyne import Application, rpc, srpc, DateTime, String, Service from spyne.protocol.html import HtmlMicroFormat from spyne.protocol.http import HttpPattern, HttpRpc from spyne.protocol.json import JsonDocument from spyne.protocol.msgpack import MessagePackDocument, MessagePackRpc from spyne.protocol.soap import Soap11 from spyne.protocol.xml import XmlDocument from spyne.protocol.yaml import YamlDocument from spyne.util.wsgi_wrapper import WsgiMounter tns = 'spyne.examples.multiple_protocols' port = 9910 host = '127.0.0.1' class MultiProtService(Service): @srpc(_returns=DateTime) def get_utc_time(): return datetime.utcnow() def Tsetprot(prot): def setprot(ctx): ctx.out_protocol = prot return setprot class DynProtService(Service): protocols = {} @rpc(String(values=protocols.keys(), encoding='ascii'), _returns=DateTime, _patterns=[HttpPattern('/get_utc_time\\.')]) def get_utc_time(ctx, prot): DynProtService.protocols[prot](ctx) return datetime.utcnow() def main(): rest = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=HttpRpc()) xml = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=XmlDocument()) soap = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=Soap11()) html = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=HtmlMicroFormat()) png = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=PngClock()) svg = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=SvgClock()) json = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=JsonDocument()) jsoni = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=JsonDocument(ignore_wrappers=False)) jsonl = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=JsonDocument(complex_as=list)) jsonil = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=JsonDocument(ignore_wrappers=False, complex_as=list)) msgpack_obj = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=MessagePackDocument()) msgpack_rpc = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=MessagePackRpc()) yaml = Application([MultiProtService], tns=tns, in_protocol=HttpRpc(), out_protocol=YamlDocument()) dyn = Application([DynProtService], tns=tns, in_protocol=HttpRpc(validator='soft'), out_protocol=HttpRpc()) DynProtService.protocols = { 'json': Tsetprot(JsonDocument(dyn)), 'xml': Tsetprot(XmlDocument(dyn)), 'yaml': Tsetprot(YamlDocument(dyn)), 'soap': Tsetprot(Soap11(dyn)), 'html': Tsetprot(HtmlMicroFormat(dyn)), 'png': Tsetprot(PngClock(dyn)), 'svg': Tsetprot(SvgClock(dyn)), 'msgpack': Tsetprot(MessagePackDocument(dyn)), } root = WsgiMounter({ 'rest': rest, 'xml': xml, 'soap': soap, 'html': html, 'png': png, 'svg': svg, 'json': json, 'jsoni': jsoni, 'jsonl': jsonl, 'jsonil': jsonil, 'mpo': msgpack_obj, 'mpr': msgpack_rpc, 'yaml': yaml, 'dyn': dyn, }) from wsgiref.simple_server import make_server server = make_server(host, port, root) logging.basicConfig(level=logging.DEBUG) logging.info("listening to http://%s:%d" % (host, port)) logging.info("navigate to e.g. http://%s:%d/json/get_utc_time" % (host, port)) logging.info(" or: http://%s:%d/xml/get_utc_time" % (host, port)) return server.serve_forever() if __name__ == '__main__': import sys sys.exit(main())