388 lines
12 KiB
Python
388 lines
12 KiB
Python
# SPDX-License-Identifier: LGPL-3.0-or-later
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"""`ModelItem` subclasses definitions."""
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import json
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from dataclasses import asdict, dataclass, field
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from datetime import datetime, timedelta
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from pathlib import Path
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from typing import Any, Dict, List, Optional, Tuple, Type, Union
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from uuid import UUID
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import lxml # nosec
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import nio
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from ..presence import Presence
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from ..utils import AutoStrEnum, auto
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from .model_item import ModelItem
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OptionalExceptionType = Union[Type[None], Type[Exception]]
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ZERO_DATE = datetime.fromtimestamp(0)
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class TypeSpecifier(AutoStrEnum):
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"""Enum providing clarification of purpose for some matrix events."""
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Unset = auto()
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ProfileChange = auto()
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MembershipChange = auto()
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class PingStatus(AutoStrEnum):
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"""Enum for the status of a homeserver ping operation."""
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Done = auto()
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Pinging = auto()
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Failed = auto()
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@dataclass
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class Homeserver(ModelItem):
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"""A homeserver we can connect to. The `id` field is the server's URL."""
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id: str = field()
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name: str = field()
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site_url: str = field()
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country: str = field()
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ping: int = -1
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status: PingStatus = PingStatus.Pinging
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stability: float = -1
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def __lt__(self, other: "Homeserver") -> bool:
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return (self.name.lower(), self.id) < (other.name.lower(), other.id)
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@dataclass
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class Account(ModelItem):
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"""A logged in matrix account."""
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id: str = field()
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order: int = -1
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display_name: str = ""
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avatar_url: str = ""
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max_upload_size: int = 0
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profile_updated: datetime = ZERO_DATE
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connecting: bool = False
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total_unread: int = 0
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total_highlights: int = 0
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local_unreads: bool = False
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local_highlights: bool = False
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# For some reason, Account cannot inherit Presence, because QML keeps
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# complaining type error on unknown file
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presence_support: bool = False
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save_presence: bool = True
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presence: Presence.State = Presence.State.offline
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currently_active: bool = False
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last_active_at: datetime = ZERO_DATE
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status_msg: str = ""
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def __lt__(self, other: "Account") -> bool:
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"""Sort by order, then by user ID."""
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return (self.order, self.id.lower()) < (other.order, other.id.lower())
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@dataclass
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class Room(ModelItem):
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"""A matrix room we are invited to, are or were member of."""
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id: str = field()
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for_account: str = ""
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given_name: str = ""
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display_name: str = ""
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main_alias: str = ""
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avatar_url: str = ""
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plain_topic: str = ""
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topic: str = ""
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inviter_id: str = ""
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inviter_name: str = ""
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inviter_avatar: str = ""
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left: bool = False
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typing_members: List[str] = field(default_factory=list)
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federated: bool = True
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encrypted: bool = False
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unverified_devices: bool = False
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invite_required: bool = True
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guests_allowed: bool = True
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default_power_level: int = 0
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own_power_level: int = 0
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can_invite: bool = False
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can_kick: bool = False
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can_redact_all: bool = False
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can_send_messages: bool = False
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can_set_name: bool = False
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can_set_topic: bool = False
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can_set_avatar: bool = False
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can_set_encryption: bool = False
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can_set_join_rules: bool = False
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can_set_guest_access: bool = False
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can_set_power_levels: bool = False
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last_event_date: datetime = ZERO_DATE
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unreads: int = 0
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highlights: int = 0
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local_unreads: bool = False
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local_highlights: bool = False
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lexical_sorting: bool = False
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def __lt__(self, other: "Room") -> bool:
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"""Sort by membership, highlights/unread events, last event date, name.
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Invited rooms are first, then joined rooms, then left rooms.
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Within these categories, sort by unread highlighted messages, then
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unread messages, then by whether the room hasn't been read locally,
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then last event date (room with recent messages are first),
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then by display names or ID.
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"""
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if self.lexical_sorting:
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return (
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self.for_account,
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self.left,
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other.inviter_id,
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(self.display_name or self.id).lower(),
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) < (
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other.for_account,
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other.left,
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self.inviter_id,
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(other.display_name or other.id).lower(),
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)
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# Left rooms may still have an inviter_id, so check left first.
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return (
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self.for_account,
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self.left,
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other.inviter_id,
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bool(other.highlights),
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bool(other.local_highlights),
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bool(other.unreads),
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bool(other.local_unreads),
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other.last_event_date,
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(self.display_name or self.id).lower(),
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) < (
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other.for_account,
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other.left,
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self.inviter_id,
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bool(self.highlights),
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bool(self.local_highlights),
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bool(self.unreads),
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bool(self.local_unreads),
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self.last_event_date,
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(other.display_name or other.id).lower(),
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)
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@dataclass
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class AccountOrRoom(Account, Room):
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type: Union[Type[Account], Type[Room]] = Account
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account_order: int = -1
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def __lt__(self, other: "AccountOrRoom") -> bool: # type: ignore
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if self.lexical_sorting:
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return (
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self.account_order,
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self.id if self.type is Account else self.for_account,
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other.type is Account,
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self.left,
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other.inviter_id,
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(self.display_name or self.id).lower(),
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) < (
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other.account_order,
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other.id if other.type is Account else other.for_account,
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self.type is Account,
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other.left,
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self.inviter_id,
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(other.display_name or other.id).lower(),
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)
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return (
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self.account_order,
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self.id if self.type is Account else self.for_account,
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other.type is Account,
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self.left,
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other.inviter_id,
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bool(other.highlights),
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bool(other.local_highlights),
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bool(other.unreads),
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bool(other.local_unreads),
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other.last_event_date,
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(self.display_name or self.id).lower(),
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) < (
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other.account_order,
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other.id if other.type is Account else other.for_account,
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self.type is Account,
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other.left,
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self.inviter_id,
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bool(self.highlights),
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bool(self.local_highlights),
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bool(self.unreads),
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bool(self.local_unreads),
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self.last_event_date,
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(other.display_name or other.id).lower(),
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)
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@dataclass
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class Member(ModelItem):
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"""A member in a matrix room."""
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id: str = field()
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display_name: str = ""
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avatar_url: str = ""
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typing: bool = False
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power_level: int = 0
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invited: bool = False
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profile_updated: datetime = ZERO_DATE
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last_read_event: str = ""
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presence: Presence.State = Presence.State.offline
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currently_active: bool = False
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last_active_at: datetime = ZERO_DATE
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status_msg: str = ""
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def __lt__(self, other: "Member") -> bool:
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"""Sort by presence, power level, then by display name/user ID."""
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name = self.display_name or self.id[1:]
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other_name = other.display_name or other.id[1:]
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return (
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self.invited,
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other.power_level,
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self.presence,
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name.lower(),
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) < (
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other.invited,
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self.power_level,
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other.presence,
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other_name.lower(),
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)
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class UploadStatus(AutoStrEnum):
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"""Enum describing the status of an upload operation."""
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Preparing = auto()
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Uploading = auto()
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Caching = auto()
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Error = auto()
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@dataclass
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class Upload(ModelItem):
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"""Represent a running or failed file upload operation."""
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id: UUID = field()
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filepath: Path = Path("-")
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total_size: int = 0
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uploaded: int = 0
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speed: float = 0
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time_left: timedelta = timedelta(0)
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paused: bool = False
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status: UploadStatus = UploadStatus.Preparing
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error: OptionalExceptionType = type(None)
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error_args: Tuple[Any, ...] = ()
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start_date: datetime = field(init=False, default_factory=datetime.now)
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def __lt__(self, other: "Upload") -> bool:
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"""Sort by the start date, from newest upload to oldest."""
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return self.start_date > other.start_date
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@dataclass
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class Event(ModelItem):
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"""A matrix state event or message."""
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id: str = field()
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event_id: str = field()
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event_type: Type[nio.Event] = field()
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date: datetime = field()
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sender_id: str = field()
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sender_name: str = field()
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sender_avatar: str = field()
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fetch_profile: bool = False
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content: str = ""
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inline_content: str = ""
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reason: str = ""
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links: List[str] = field(default_factory=list)
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mentions: List[Tuple[str, str]] = field(default_factory=list)
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type_specifier: TypeSpecifier = TypeSpecifier.Unset
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target_id: str = ""
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target_name: str = ""
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target_avatar: str = ""
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redacter_id: str = ""
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redacter_name: str = ""
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# {user_id: server_timestamp} - QML can't parse dates from JSONified dicts
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last_read_by: Dict[str, int] = field(default_factory=dict)
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read_by_count: int = 0
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is_local_echo: bool = False
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source: Optional[nio.Event] = None
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media_url: str = ""
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media_http_url: str = ""
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media_title: str = ""
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media_width: int = 0
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media_height: int = 0
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media_duration: int = 0
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media_size: int = 0
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media_mime: str = ""
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media_crypt_dict: Dict[str, Any] = field(default_factory=dict)
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media_local_path: Union[str, Path] = ""
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thumbnail_url: str = ""
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thumbnail_mime: str = ""
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thumbnail_width: int = 0
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thumbnail_height: int = 0
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thumbnail_crypt_dict: Dict[str, Any] = field(default_factory=dict)
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def __lt__(self, other: "Event") -> bool:
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"""Sort by date in descending order, from newest to oldest."""
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return self.date > other.date
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@staticmethod
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def parse_links(text: str) -> List[str]:
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"""Return list of URLs (`<a href=...>` tags) present in the text."""
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ignore = []
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if "<mx-reply>" in text:
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parser = lxml.html.etree.HTMLParser()
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tree = lxml.etree.fromstring(text, parser) # nosec
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xpath = "//mx-reply/blockquote/a[count(preceding-sibling::*)<=1]"
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ignore = [lxml.etree.tostring(el) for el in tree.xpath(xpath)]
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if not text.strip():
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return []
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return [
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url for el, attrib, url, pos in lxml.html.iterlinks(text)
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if lxml.etree.tostring(el) not in ignore
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]
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def serialize_field(self, field: str) -> Any:
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if field == "source":
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source_dict = asdict(self.source) if self.source else {}
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return json.dumps(source_dict)
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return super().serialize_field(field)
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