Current File : //snap/core22/current/usr/share/subiquity/subiquitycore/pubsub.py
# Copyright 2021 Canonical, Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import asyncio
import inspect
class CoreChannels:
NETWORK_UP = 'network-up'
class MessageHub:
def __init__(self):
self.subscriptions = {}
def subscribe(self, channel, method):
self.subscriptions.setdefault(channel, []).append(method)
async def abroadcast(self, channel, *args, **kwargs):
for m in self.subscriptions.get(channel, []):
v = m(*args, **kwargs)
if inspect.iscoroutine(v):
await v
def broadcast(self, channel, *args, **kwargs):
loop = asyncio.get_event_loop()
return loop.create_task(self.abroadcast(channel, *args, **kwargs))
Mini Shell