126 lines
3.6 KiB
Python
126 lines
3.6 KiB
Python
# Copyright 2019 miruka
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# This file is part of harmonyqml, licensed under GPLv3.
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import functools
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import logging
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import sys
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import traceback
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from concurrent.futures import Future, ThreadPoolExecutor
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from threading import Event, currentThread
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from typing import Callable, DefaultDict
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from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal, pyqtSlot
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import nio
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import nio.responses as nr
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# One pool per hostname/remote server;
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# multiple Client for different accounts on the same server can exist.
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_POOLS: DefaultDict[str, ThreadPoolExecutor] = \
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DefaultDict(lambda: ThreadPoolExecutor(max_workers=6))
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def futurize(func: Callable) -> Callable:
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@functools.wraps(func)
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def wrapper(*args, **kwargs) -> Future:
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def run_and_catch_errs():
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# Without this, exceptions are silently ignored
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try:
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func(*args, **kwargs)
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except Exception:
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traceback.print_exc()
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logging.error("Exiting %s due to exception.", currentThread())
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sys.exit(1)
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return args[0].pool.submit(run_and_catch_errs) # args[0] = self
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return wrapper
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class Client(QObject):
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roomInvited = pyqtSignal(str)
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roomJoined = pyqtSignal(str)
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roomLeft = pyqtSignal(str)
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roomEventReceived = pyqtSignal(str, str, dict)
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def __init__(self, hostname: str, username: str, device_id: str = ""
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) -> None:
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super().__init__()
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host, *port = hostname.split(":")
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self.host: str = host
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self.port: int = int(port[0]) if port else 443
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self.nio: nio.client.HttpClient = \
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nio.client.HttpClient(self.host, username, device_id)
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self.pool: ThreadPoolExecutor = _POOLS[self.host]
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from .network_manager import NetworkManager
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self.net: NetworkManager = NetworkManager(self)
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self._stop_sync: Event = Event()
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def __repr__(self) -> str:
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return "%s(host=%r, port=%r, user_id=%r)" % \
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(type(self).__name__, self.host, self.port, self.userID)
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@pyqtProperty(str, constant=True)
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def userID(self) -> str:
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return self.nio.user_id
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@pyqtSlot(str)
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@pyqtSlot(str, str)
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@futurize
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def login(self, password: str, device_name: str = "") -> None:
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self.net.write(self.nio.connect())
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self.net.talk(self.nio.login, password, device_name)
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self.startSyncing()
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@pyqtSlot(str, str, str)
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@futurize
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def resumeSession(self, user_id: str, token: str, device_id: str
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) -> None:
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self.net.write(self.nio.connect())
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response = nr.LoginResponse(user_id, device_id, token)
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self.nio.receive_response(response)
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self.startSyncing()
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@pyqtSlot()
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@futurize
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def logout(self) -> None:
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self._stop_sync.set()
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self.net.write(self.nio.disconnect())
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@pyqtSlot()
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@futurize
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def startSyncing(self) -> None:
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while True:
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self._on_sync(self.net.talk(self.nio.sync, timeout=10_000))
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if self._stop_sync.is_set():
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self._stop_sync.clear()
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break
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def _on_sync(self, response: nr.SyncResponse) -> None:
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for room_id in response.rooms.invite:
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self.roomInvited.emit(room_id)
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for room_id, room_info in response.rooms.join.items():
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self.roomJoined.emit(room_id)
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for ev in room_info.timeline.events:
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self.roomEventReceived.emit(
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room_id, type(ev).__name__, ev.__dict__
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)
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for room_id in response.rooms.leave:
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self.roomLeft.emit(room_id)
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