84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
###############################################################################
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##
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## Copyright (C) 2014 Tavendo GmbH
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##
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## Licensed under the Apache License, Version 2.0 (the "License");
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## you may not use this file except in compliance with the License.
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## You may obtain a copy of the License at
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##
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## http://www.apache.org/licenses/LICENSE-2.0
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##
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## Unless required by applicable law or agreed to in writing, software
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## distributed under the License is distributed on an "AS IS" BASIS,
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## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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## See the License for the specific language governing permissions and
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## limitations under the License.
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##
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###############################################################################
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import math
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from twisted.internet import reactor
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from twisted.internet.defer import inlineCallbacks
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from autobahn import wamp
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from autobahn.wamp.exception import ApplicationError
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from autobahn.twisted.wamp import ApplicationSession
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@wamp.error("com.myapp.error1")
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class AppError1(Exception):
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"""
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An application specific exception that is decorated with a WAMP URI,
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and hence can be automapped by Autobahn.
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"""
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class Component(ApplicationSession):
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"""
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Example WAMP application frontend that catches exceptions.
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"""
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@inlineCallbacks
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def onJoin(self, details):
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## catching standard exceptions
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##
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for x in [2, 0, -2]:
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try:
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res = yield self.call('com.myapp.sqrt', x)
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except Exception as e:
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print("Error: {} {}".format(e, e.args))
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else:
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print("Result: {}".format(res))
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## catching WAMP application exceptions
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##
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for name in ['foo', 'a', '*'*11, 'Hello']:
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try:
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res = yield self.call('com.myapp.checkname', name)
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except ApplicationError as e:
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print("Error: {} {} {} {}".format(e, e.error, e.args, e.kwargs))
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else:
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print("Result: {}".format(res))
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## defining and automapping WAMP application exceptions
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##
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self.define(AppError1)
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try:
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yield self.call('com.myapp.compare', 3, 17)
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except AppError1 as e:
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print("Compare Error: {}".format(e))
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self.leave()
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def onDisconnect(self):
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reactor.stop()
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