88 lines
2.2 KiB
Python
88 lines
2.2 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2020 Dan <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Pyrogram is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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import logging
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import time
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from threading import Thread, Event, Lock
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log = logging.getLogger(__name__)
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class Syncer:
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INTERVAL = 20
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clients = {}
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thread = None
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event = Event()
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lock = Lock()
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@classmethod
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def add(cls, client):
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with cls.lock:
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cls.sync(client)
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cls.clients[id(client)] = client
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if len(cls.clients) == 1:
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cls.start()
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@classmethod
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def remove(cls, client):
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with cls.lock:
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cls.sync(client)
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del cls.clients[id(client)]
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if len(cls.clients) == 0:
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cls.stop()
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@classmethod
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def start(cls):
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cls.event.clear()
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cls.thread = Thread(target=cls.worker, name=cls.__name__)
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cls.thread.start()
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@classmethod
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def stop(cls):
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cls.event.set()
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@classmethod
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def worker(cls):
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while True:
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cls.event.wait(cls.INTERVAL)
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if cls.event.is_set():
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break
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with cls.lock:
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for client in cls.clients.values():
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cls.sync(client)
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@classmethod
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def sync(cls, client):
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try:
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start = time.time()
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client.storage.save()
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except Exception as e:
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log.critical(e, exc_info=True)
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else:
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log.info('Synced "{}" in {:.6} ms'.format(
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client.storage.name,
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(time.time() - start) * 1000
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))
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