Readd nio_callbacks.py
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miruka
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0ebbbc4a27
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src/python/nio_callbacks.py
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339
src/python/nio_callbacks.py
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import asyncio
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import json
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import logging as log
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from contextlib import suppress
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from dataclasses import dataclass, field
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from datetime import datetime
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from typing import Optional, Tuple
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import nio
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from . import utils
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from .html_filter import HTML_FILTER
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from .matrix_client import MatrixClient
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from .models.items import Account, Room, TypeSpecifier
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@dataclass
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class NioCallbacks:
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client: MatrixClient = field()
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def __post_init__(self) -> None:
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c = self.client
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for name, class_ in utils.classes_defined_in(nio.responses).items():
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with suppress(AttributeError):
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c.add_response_callback(getattr(self, f"on{name}"), class_)
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for name, class_ in utils.classes_defined_in(nio.events).items():
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with suppress(AttributeError):
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c.add_event_callback(getattr(self, f"on{name}"), class_)
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c.add_ephemeral_callback(
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self.onTypingNoticeEvent, nio.events.TypingNoticeEvent,
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)
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async def onSyncResponse(self, resp: nio.SyncResponse) -> None:
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c = self.client
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for room_id, info in resp.rooms.join.items():
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if room_id not in c.past_tokens:
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c.past_tokens[room_id] = info.timeline.prev_batch
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# TODO: way of knowing if a nio.MatrixRoom is left
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for room_id, info in resp.rooms.leave.items():
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# TODO: handle in nio, these are rooms that were left before
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# starting the client.
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if room_id not in c.all_rooms:
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log.warning("Left room not in MatrixClient.rooms: %r", room_id)
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continue
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# TODO: handle left events in nio async client
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for ev in info.timeline.events:
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if isinstance(ev, nio.RoomMemberEvent):
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await self.onRoomMemberEvent(c.all_rooms[room_id], ev)
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await c.register_nio_room(c.all_rooms[room_id], left=True)
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if not c.first_sync_done.is_set():
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asyncio.ensure_future(c.load_rooms_without_visible_events())
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c.first_sync_done.set()
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c.first_sync_date = datetime.now()
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c.models[Account][c.user_id].first_sync_done = True
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async def onErrorResponse(self, resp: nio.ErrorResponse) -> None:
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# TODO: show something in the client, must be seen on login screen too
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try:
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log.warning("%s - %s", resp, json.dumps(vars(resp), indent=4))
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except Exception:
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log.warning(repr(resp))
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# Callbacks for nio room events
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# Content: %1 is the sender, %2 the target (ev.state_key).
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async def onRoomMessageText(self, room, ev) -> None:
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co = HTML_FILTER.filter(
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ev.formatted_body
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if ev.format == "org.matrix.custom.html" else
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utils.plain2html(ev.body),
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)
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomMessageEmote(self, room, ev) -> None:
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co = HTML_FILTER.filter_inline(
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ev.formatted_body
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if ev.format == "org.matrix.custom.html" else
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utils.plain2html(ev.body),
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)
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomMessageUnknown(self, room, ev) -> None:
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co = "%1 sent a message this client doesn't understand."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomMessageMedia(self, room, ev) -> None:
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info = ev.source["content"].get("info", {})
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media_crypt_dict = ev.source["content"].get("file", {})
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thumb_info = info.get("thumbnail_info", {})
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thumb_crypt_dict = info.get("thumbnail_file", {})
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await self.client.register_nio_event(
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room,
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ev,
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content = "",
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inline_content = ev.body,
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media_url = ev.url,
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media_title = ev.body,
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media_width = info.get("w") or 0,
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media_height = info.get("h") or 0,
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media_duration = info.get("duration") or 0,
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media_size = info.get("size") or 0,
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media_mime = info.get("mimetype") or 0,
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media_crypt_dict = media_crypt_dict,
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thumbnail_url =
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info.get("thumbnail_url") or thumb_crypt_dict.get("url") or "",
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thumbnail_width = thumb_info.get("w") or 0,
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thumbnail_height = thumb_info.get("h") or 0,
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thumbnail_crypt_dict = thumb_crypt_dict,
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)
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async def onRoomEncryptedMedia(self, room, ev) -> None:
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await self.onRoomMessageMedia(room, ev)
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async def onRoomCreateEvent(self, room, ev) -> None:
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co = "%1 allowed users on other matrix servers to join this room." \
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if ev.federate else \
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"%1 blocked users on other matrix servers from joining this room."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomGuestAccessEvent(self, room, ev) -> None:
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allowed = "allowed" if ev.guest_access else "forbad"
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co = f"%1 {allowed} guests to join the room."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomJoinRulesEvent(self, room, ev) -> None:
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access = "public" if ev.join_rule == "public" else "invite-only"
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co = f"%1 made the room {access}."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomHistoryVisibilityEvent(self, room, ev) -> None:
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if ev.history_visibility == "shared":
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to = "all room members"
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elif ev.history_visibility == "world_readable":
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to = "any member or outsider"
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elif ev.history_visibility == "joined":
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to = "all room members, since the time they joined"
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elif ev.history_visibility == "invited":
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to = "all room members, since the time they were invited"
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else:
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to = "???"
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log.warning("Invalid visibility - %s",
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json.dumps(vars(ev), indent=4))
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co = f"%1 made future room history visible to {to}."
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await self.client.register_nio_event(room, ev, content=co)
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async def onPowerLevelsEvent(self, room, ev) -> None:
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co = "%1 changed the room's permissions." # TODO: improve
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await self.client.register_nio_event(room, ev, content=co)
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async def process_room_member_event(
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self, room, ev,
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) -> Optional[Tuple[TypeSpecifier, str]]:
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if ev.prev_content == ev.content:
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return None
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prev = ev.prev_content
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now = ev.content
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membership = ev.membership
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prev_membership = ev.prev_membership
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ev_date = datetime.fromtimestamp(ev.server_timestamp / 1000)
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member_change = TypeSpecifier.membership_change
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# Membership changes
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if not prev or membership != prev_membership:
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reason = f" Reason: {now['reason']}" if now.get("reason") else ""
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if membership == "join":
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return (
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member_change,
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"%1 accepted their invitation."
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if prev and prev_membership == "invite" else
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"%1 joined the room.",
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)
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if membership == "invite":
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return (member_change, "%1 invited %2 to the room.")
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if membership == "leave":
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if ev.state_key == ev.sender:
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return (
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member_change,
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f"%1 declined their invitation.{reason}"
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if prev and prev_membership == "invite" else
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f"%1 left the room.{reason}",
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)
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return (
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member_change,
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f"%1 withdrew %2's invitation.{reason}"
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if prev and prev_membership == "invite" else
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f"%1 unbanned %2 from the room.{reason}"
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if prev and prev_membership == "ban" else
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f"%1 kicked out %2 from the room.{reason}",
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)
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if membership == "ban":
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return (member_change, f"%1 banned %2 from the room.{reason}")
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# Profile changes
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changed = []
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if prev and now["avatar_url"] != prev["avatar_url"]:
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changed.append("profile picture") # TODO: <img>s
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if prev and now["displayname"] != prev["displayname"]:
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changed.append('display name from "{}" to "{}"'.format(
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prev["displayname"] or ev.state_key,
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now["displayname"] or ev.state_key,
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))
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if changed:
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# Update our account profile if the event is newer than last update
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if ev.state_key == self.client.user_id:
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account = self.client.models[Account][self.client.user_id]
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updated = account.profile_updated
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if not updated or updated < ev_date:
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account.profile_updated = ev_date
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account.display_name = now["displayname"] or ""
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account.avatar_url = now["avatar_url"] or ""
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# Hide profile events from the timeline - XXX
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self.client.skipped_events[room.room_id] += 1
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return None
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return (
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TypeSpecifier.profile_change,
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"%1 changed their {}.".format(" and ".join(changed)),
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)
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log.warning("Unknown member event: %s", json.dumps(vars(ev), indent=4))
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return None
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async def onRoomMemberEvent(self, room, ev) -> None:
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type_and_content = await self.process_room_member_event(room, ev)
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if type_and_content is None:
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# This is run from register_nio_event otherwise
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await self.client.register_nio_room(room)
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else:
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type_specifier, content = type_and_content
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await self.client.register_nio_event(
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room, ev, content=content, type_specifier=type_specifier,
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)
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async def onRoomAliasEvent(self, room, ev) -> None:
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co = f"%1 set the room's main address to {ev.canonical_alias}."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomNameEvent(self, room, ev) -> None:
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co = f"%1 changed the room's name to \"{ev.name}\"."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomTopicEvent(self, room, ev) -> None:
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topic = HTML_FILTER.filter_inline(ev.topic)
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co = f"%1 changed the room's topic to \"{topic}\"."
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await self.client.register_nio_event(room, ev, content=co)
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async def onRoomEncryptionEvent(self, room, ev) -> None:
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co = "%1 turned on encryption for this room."
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await self.client.register_nio_event(room, ev, content=co)
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async def onMegolmEvent(self, room, ev) -> None:
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co = "%1 sent an undecryptable message."
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await self.client.register_nio_event(room, ev, content=co)
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async def onBadEvent(self, room, ev) -> None:
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co = "%1 sent a malformed event."
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await self.client.register_nio_event(room, ev, content=co)
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async def onUnknownBadEvent(self, room, ev) -> None:
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co = "%1 sent an event this client doesn't understand."
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await self.client.register_nio_event(room, ev, content=co)
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# Callbacks for nio invite events
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async def onInviteEvent(self, room, ev) -> None:
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await self.client.register_nio_room(room)
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# Callbacks for nio ephemeral events
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async def onTypingNoticeEvent(self, room, ev) -> None:
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# Prevent recent past typing notices from being shown for a split
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# second on client startup:
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if not self.client.first_sync_done.is_set():
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return
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if room.room_id not in self.client.models[Room, self.client.user_id]:
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return
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room_item = self.client.models[Room, self.client.user_id][room.room_id]
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room_item.typing_members = sorted(
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room.user_name(user_id) for user_id in ev.users
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if user_id not in self.client.backend.clients
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)
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