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Copy pathsyncer.py
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88 lines (71 loc) · 2.39 KB
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-present Dan <https://github.com/delivrance>
#
# This file is part of Pyrogram.
#
# Pyrogram is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pyrogram 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
import asyncio
import logging
import time
log = logging.getLogger(__name__)
class Syncer:
INTERVAL = 20
clients = {}
event = None
lock = None
@classmethod
async def add(cls, client):
if cls.event is None:
cls.event = asyncio.Event()
if cls.lock is None:
cls.lock = asyncio.Lock()
async with cls.lock:
await cls.sync(client)
cls.clients[id(client)] = client
if len(cls.clients) == 1:
cls.start()
@classmethod
async def remove(cls, client):
async with cls.lock:
await cls.sync(client)
del cls.clients[id(client)]
if len(cls.clients) == 0:
cls.stop()
@classmethod
def start(cls):
cls.event.clear()
asyncio.get_event_loop().create_task(cls.worker())
@classmethod
def stop(cls):
cls.event.set()
@classmethod
async def worker(cls):
while True:
try:
await asyncio.wait_for(cls.event.wait(), cls.INTERVAL)
except asyncio.TimeoutError:
async with cls.lock:
for client in cls.clients.values():
await cls.sync(client)
else:
break
@classmethod
async def sync(cls, client):
try:
start = time.time()
await client.storage.save()
except Exception as e:
log.critical(e, exc_info=True)
else:
log.debug(f'Synced "{client.storage.name}" in {(time.time() - start) * 1000:.6} ms')