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: /snap/core22/current/usr/share/subiquity/subiquitycore/ [ drwxr-xr-x ]
name : 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))