mirror of
https://mau.dev/maunium/synapse.git
synced 2024-07-17 00:22:17 +00:00
52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 2015 OpenMarket Ltd
|
|
#
|
|
# 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.
|
|
|
|
|
|
from twisted.internet import defer, reactor
|
|
|
|
from .logcontext import preserve_context_over_deferred
|
|
|
|
|
|
def sleep(seconds):
|
|
d = defer.Deferred()
|
|
reactor.callLater(seconds, d.callback, seconds)
|
|
return preserve_context_over_deferred(d)
|
|
|
|
|
|
def run_on_reactor():
|
|
""" This will cause the rest of the function to be invoked upon the next
|
|
iteration of the main loop
|
|
"""
|
|
return sleep(0)
|
|
|
|
|
|
def create_observer(deferred):
|
|
"""Creates a deferred that observes the result or failure of the given
|
|
deferred *without* affecting the given deferred.
|
|
"""
|
|
d = defer.Deferred()
|
|
|
|
def callback(r):
|
|
d.callback(r)
|
|
return r
|
|
|
|
def errback(f):
|
|
d.errback(f)
|
|
return f
|
|
|
|
deferred.addCallbacks(callback, errback)
|
|
|
|
return d
|