83 lines
1.9 KiB
Python
83 lines
1.9 KiB
Python
# Copyright 2014, Ian Gulliver
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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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import datetime
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import functools
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import json
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import random
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import time
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from google.appengine.api import namespace_manager
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from cosmopolite import config
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from cosmopolite.lib import auth
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def expects_json(handler):
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@functools.wraps(handler)
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def ParseInput(self):
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self.request_json = json.load(self.request.body_file)
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return handler(self)
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return ParseInput
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def returns_json(handler):
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@functools.wraps(handler)
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def SerializeResult(self):
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json.dump(handler(self), self.response.out, default=EncodeJSON)
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return SerializeResult
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def chaos_monkey(handler):
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@functools.wraps(handler)
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def IntroduceFailures(self):
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if random.random() < config.CHAOS_PROBABILITY:
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self.response.headers['Retry-After'] = '0'
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self.error(503)
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return
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ret = handler(self)
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if random.random() < config.CHAOS_PROBABILITY:
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self.response.headers['Retry-After'] = '0'
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self.error(503)
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return
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return ret
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return IntroduceFailures
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def local_namespace(handler):
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@functools.wraps(handler)
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def SetNamespace(self):
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import logging
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namespace_manager.set_namespace(config.NAMESPACE)
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return handler(self)
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return SetNamespace
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def EncodeJSON(o):
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if isinstance(o, datetime.datetime):
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return time.mktime(o.timetuple())
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return json.JSONEncoder.default(o)
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