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Copy pathsyncer.py
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128 lines (105 loc) · 3.62 KB
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# Pyrogram - Telegram MTProto API Client Library for Python
# Copyright (C) 2017-2019 Dan Tès <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 base64
import json
import logging
import os
import shutil
import time
from threading import Thread, Event, Lock
from . import utils
log = logging.getLogger(__name__)
class Syncer:
INTERVAL = 20
clients = {}
thread = None
event = Event()
lock = Lock()
@classmethod
def add(cls, client):
with cls.lock:
cls.sync(client)
cls.clients[id(client)] = client
if len(cls.clients) == 1:
cls.start()
@classmethod
def remove(cls, client):
with cls.lock:
cls.sync(client)
del cls.clients[id(client)]
if len(cls.clients) == 0:
cls.stop()
@classmethod
def start(cls):
cls.event.clear()
cls.thread = Thread(target=cls.worker, name=cls.__name__)
cls.thread.start()
@classmethod
def stop(cls):
cls.event.set()
@classmethod
def worker(cls):
while True:
cls.event.wait(cls.INTERVAL)
if cls.event.is_set():
break
with cls.lock:
for client in cls.clients.values():
cls.sync(client)
@classmethod
def sync(cls, client):
temporary = os.path.join(client.workdir, "{}.sync".format(client.session_name))
persistent = os.path.join(client.workdir, "{}.session".format(client.session_name))
try:
auth_key = base64.b64encode(client.auth_key).decode()
auth_key = [auth_key[i: i + 43] for i in range(0, len(auth_key), 43)]
data = dict(
dc_id=client.dc_id,
test_mode=client.test_mode,
auth_key=auth_key,
user_id=client.user_id,
date=int(time.time()),
is_bot=client.is_bot,
peers_by_id={
k: getattr(v, "access_hash", None)
for k, v in client.peers_by_id.copy().items()
},
peers_by_username={
k: utils.get_peer_id(v)
for k, v in client.peers_by_username.copy().items()
},
peers_by_phone={
k: utils.get_peer_id(v)
for k, v in client.peers_by_phone.copy().items()
}
)
os.makedirs(client.workdir, exist_ok=True)
with open(temporary, "w", encoding="utf-8") as f:
json.dump(data, f, indent=4)
f.flush()
os.fsync(f.fileno())
except Exception as e:
log.critical(e, exc_info=True)
else:
shutil.move(temporary, persistent)
log.info("Synced {}".format(client.session_name))
finally:
try:
os.remove(temporary)
except OSError:
pass