aa55ffbc6a
@futurize() is now called with parentheses and can take a max_instances int argument. This is used for setTypingState to not have more than one queued calls per room and True/False state and avoids bombing the server with old ephemeral events after a network loss and reconnection.
99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
# Copyright 2019 miruka
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# This file is part of harmonyqml, licensed under GPLv3.
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import hashlib
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from concurrent.futures import ThreadPoolExecutor
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from typing import Dict, Set
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from PyQt5.QtCore import QObject, pyqtProperty, pyqtSlot
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from .html_filter import HtmlFilter
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from .model.qml_models import QMLModels
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from .pyqt_future import futurize
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class Backend(QObject):
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def __init__(self) -> None:
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super().__init__()
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self.pool: ThreadPoolExecutor = ThreadPoolExecutor(max_workers=6)
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self._queried_displaynames: Dict[str, str] = {}
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self.past_tokens: Dict[str, str] = {}
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self.fully_loaded_rooms: Set[str] = set()
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from .client_manager import ClientManager
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self._client_manager: ClientManager = ClientManager(self)
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self._models: QMLModels = QMLModels()
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self._html_filter: HtmlFilter = HtmlFilter()
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from .signal_manager import SignalManager
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self._signal_manager: SignalManager = SignalManager(self)
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self.clientManager.configLoad()
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@pyqtProperty("QVariant", constant=True)
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def clientManager(self):
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return self._client_manager
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@pyqtProperty("QVariant", constant=True)
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def models(self):
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return self._models
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@pyqtProperty("QVariant", constant=True)
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def htmlFilter(self):
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return self._html_filter
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@pyqtSlot(str, result="QVariant")
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@pyqtSlot(str, bool, result="QVariant")
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@futurize()
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def getUserDisplayName(self, user_id: str, can_block: bool = True) -> str:
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if user_id in self._queried_displaynames:
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return self._queried_displaynames[user_id]
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for client in self.clientManager.clients.values():
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for room in client.nio.rooms.values():
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displayname = room.user_name(user_id)
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if displayname:
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return displayname
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return self._query_user_displayname(user_id) if can_block else user_id
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def _query_user_displayname(self, user_id: str) -> str:
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client = next(iter(self.clientManager.clients.values()))
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response = client.net.talk(client.nio.get_displayname, user_id)
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displayname = getattr(response, "displayname", "") or user_id
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self._queried_displaynames[user_id] = displayname
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return displayname
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@pyqtSlot(str, result=float)
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def hueFromString(self, string: str) -> float:
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# pylint:disable=no-self-use
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md5 = hashlib.md5(bytes(string, "utf-8")).hexdigest()
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return float("0.%s" % int(md5[-10:], 16))
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@pyqtSlot(str)
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@pyqtSlot(str, int)
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def loadPastEvents(self, room_id: str, limit: int = 100) -> None:
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if not room_id in self.past_tokens:
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return # Initial sync not done yet
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if room_id in self.fully_loaded_rooms:
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return
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for client in self.clientManager.clients.values():
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if room_id in client.nio.rooms:
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client.loadPastEvents(
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room_id, self.past_tokens[room_id], limit
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)
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break
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else:
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raise ValueError(f"Room not found in any client: {room_id}")
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