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