更新
This commit is contained in:
Your Name
@@ -0,0 +1,501 @@
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import asyncio
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import logging
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import time
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from typing import Awaitable, Callable, Optional
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from utils import system_logger
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from .frontier import ensure_frontier_ws
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from .http_client import DouyinImHttpClient, format_session_credential_summary
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from .session import DouyinImSession
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from .ws_client import DouyinImWsClient
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from .reply_payload import format_reply_display, serialize_reply_log
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logger = logging.getLogger("douyin_im.service")
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MatchReplyFn = Callable[[str], Awaitable[Optional[list[str]]]]
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LogFn = Callable[..., Awaitable[None]]
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ReceivedLogFn = Callable[..., Awaitable[None]]
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class DouyinImService:
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"""抖音 IM 直连服务：WebSocket 实时监听 + HTTP 轮询 + 自动回复"""
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def __init__(
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self,
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session: DouyinImSession,
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match_reply: MatchReplyFn,
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log_fn: LogFn,
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account_id: int,
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received_log_fn: Optional[ReceivedLogFn] = None,
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reply_delay_seconds: int = 0,
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reply_cooldown_seconds: Optional[int] = None,
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cooldown_resolver: Optional[Callable[[], Awaitable[int]]] = None,
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refresh_credentials: Optional[Callable[[], Awaitable[bool]]] = None,
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follow_tick: Optional[Callable[[], Awaitable[None]]] = None,
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on_session_invalid: Optional[Callable[[str], Awaitable[None]]] = None,
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):
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self.session = session
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self.match_reply = match_reply
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self.log_fn = log_fn
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self.received_log_fn = received_log_fn
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self.account_id = account_id
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self.follow_tick = follow_tick
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self.on_session_invalid = on_session_invalid
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self._session_invalid_strikes = 0
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self._session_invalid_fired = False
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self.reply_delay_seconds = max(0, int(reply_delay_seconds or 0))
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self._cooldown_override = (
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max(0, int(reply_cooldown_seconds)) if reply_cooldown_seconds is not None else None
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)
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self._cooldown_resolver = cooldown_resolver
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self.refresh_credentials = refresh_credentials
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self._running = False
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self._replied_keys: set[str] = set()
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self._logged_keys: set[str] = set()
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self._received_logged_keys: set[str] = set()
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self._last_reply_at: dict[str, float] = {}
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self._conv_previews: dict[str, str] = {}
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self._conv_names: dict[str, str] = {}
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self._conv_meta: dict[str, dict] = {}
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self._ws_client: Optional[DouyinImWsClient] = None
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self.last_error: str = ""
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self.last_send_risk_notice: str = ""
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def _reply_key(self, sender: str, content: str) -> str:
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return f"{sender}::{content}"
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def _cooldown_seconds_sync(self) -> int:
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if self._cooldown_override is not None:
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return self._cooldown_override
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try:
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from auth.system_settings import get_cached_settings
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return max(0, int(get_cached_settings().auto_reply_cooldown_seconds or 0))
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except Exception:
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return 0
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async def _resolve_cooldown_seconds(self) -> int:
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if self._cooldown_resolver is not None:
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try:
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return max(0, int(await self._cooldown_resolver() or 0))
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except Exception as e:
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logger.debug(f"cooldown resolver failed: {e}")
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return self._cooldown_seconds_sync()
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def _peer_in_cooldown(self, peer_key: str, cooldown: int) -> bool:
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if cooldown <= 0 or not peer_key:
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return False
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last = self._last_reply_at.get(peer_key)
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if last is None:
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return False
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return (time.monotonic() - last) < cooldown
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def _resolve_sender_name(self, msg: dict) -> str:
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sender_uid = str(msg.get("sender_uid") or msg.get("sender_name") or "").strip()
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conv_id = str(msg.get("conversation_id") or "")
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name = (msg.get("sender_name") or "").strip()
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if name and not name.isdigit():
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return name
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if sender_uid and self._conv_names.get(sender_uid):
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return self._conv_names[sender_uid]
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if conv_id and self._conv_names.get(conv_id):
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return self._conv_names[conv_id]
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if sender_uid:
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return f"用户{sender_uid[-6:]}" if len(sender_uid) > 6 else f"用户{sender_uid}"
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return "未知用户"
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def _is_self_message(self, msg: dict) -> bool:
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sender_uid = str(msg.get("sender_uid") or "").strip()
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if not sender_uid or not self.session.my_uid:
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return False
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try:
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return int(sender_uid) == int(self.session.my_uid)
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except (TypeError, ValueError):
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return False
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async def _handle_incoming(self, msg: dict):
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if self._is_self_message(msg):
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return
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sender = self._resolve_sender_name(msg)
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content = (msg.get("content") or "").strip()
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unread = int(msg.get("unread_count") or 0)
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conv_id = msg.get("conversation_id") or ""
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sender_uid = str(msg.get("sender_uid") or "")
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sender_avatar = str(msg.get("sender_avatar") or "").strip()
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# 每条 WS 消息带唯一 server_message_id：用它去重，避免“同一用户重复发送
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# 相同文字（如多次‘你好’）被按内容去重而整条丢弃”，这是“有时收不到”的根因。
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# HTTP 轮询的会话预览没有该 ID，则退回按 内容 去重（避免对同一未读重复回复）。
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server_message_id = str(msg.get("server_message_id") or "")
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if conv_id:
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self._conv_meta[conv_id] = {
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**self._conv_meta.get(conv_id, {}),
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"conversation_id": conv_id,
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"sender_name": sender,
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"sender_avatar": sender_avatar or self._conv_meta.get(conv_id, {}).get("sender_avatar"),
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"content": content or self._conv_meta.get(conv_id, {}).get("content", ""),
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"unread_count": unread,
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"peer_uid": sender_uid,
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}
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if sender and sender_uid:
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self._conv_names[sender_uid] = sender
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if not content and unread <= 0:
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return
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if content == "[未读消息]" and sender in self._conv_previews:
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content = self._conv_previews.get(sender, content)
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if server_message_id:
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log_key = f"mid:{server_message_id}"
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key = f"mid:{server_message_id}"
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else:
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log_key = self._reply_key(sender, content or "[未读]")
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key = self._reply_key(sender, content)
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log_kwargs = {
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"sender_name": sender,
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"sender_id": conv_id or sender_uid or None,
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"sender_avatar": sender_avatar or self._conv_meta.get(conv_id, {}).get("sender_avatar"),
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"message": content,
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}
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if log_key not in self._logged_keys and content:
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self._logged_keys.add(log_key)
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await self.log_fn(
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**log_kwargs,
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reply=None,
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status="received",
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)
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if key in self._replied_keys:
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return
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prev = self._conv_previews.get(sender)
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should_reply = unread > 0 or (prev and content != prev) or (content and content != "[未读消息]")
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if not should_reply:
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if content:
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self._conv_previews[sender] = content
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return
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from .hosted_registry import is_hosted
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if sender_uid and is_hosted(sender_uid):
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# 对方也是本系统托管的账号：若双方都自动回复会形成无限回环，
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# 高频来回发送极易触发抖音风控（7911）/业务拒绝（8004），故直接跳过。
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await self.log_fn(
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**log_kwargs,
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reply=None,
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status="ignored",
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error="对方是本系统托管的另一账号，已跳过自动回复以避免互相回复触发风控",
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)
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self._replied_keys.add(key)
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if content:
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self._conv_previews[sender] = content
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logger.info(
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f"Skip auto-reply to hosted account {sender_uid} (avoid reply loop)"
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)
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return
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from .protocol import should_skip_auto_reply
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skip, skip_reason = should_skip_auto_reply(content)
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if skip:
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await self.log_fn(
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**log_kwargs,
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reply=None,
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status="ignored",
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error=skip_reason,
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)
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self._replied_keys.add(key)
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if content:
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self._conv_previews[sender] = content
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logger.info(f"Skip auto-reply to {sender}: {content!r} ({skip_reason})")
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return
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replies = await self.match_reply(content if content != "[未读消息]" else "")
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if not replies:
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await self.log_fn(
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**log_kwargs,
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reply=None,
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status="ignored",
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error="未配置任何自动回复规则",
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)
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self._replied_keys.add(key)
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if content:
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self._conv_previews[sender] = content
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return
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peer_key = (sender_uid or conv_id or sender or "").strip()
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cooldown = await self._resolve_cooldown_seconds()
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if self._peer_in_cooldown(peer_key, cooldown):
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logger.info(f"Auto-reply to {sender} skipped: within {cooldown}s cooldown")
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self._replied_keys.add(key)
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if content:
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self._conv_previews[sender] = content
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return
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if peer_key and cooldown > 0:
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self._last_reply_at[peer_key] = time.monotonic()
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if self.reply_delay_seconds > 0:
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logger.info(f"Delaying reply to {sender} for {self.reply_delay_seconds}s")
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await asyncio.sleep(self.reply_delay_seconds)
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if not self._running:
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return
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reply_displays = []
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sent_any = False
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send_error = ""
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failed_parts: list[str] = []
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meta = self._conv_meta.get(conv_id, {})
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for index, reply in enumerate(replies):
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if index > 0:
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await asyncio.sleep(0.6)
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reply_display = format_reply_display(reply)
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reply_displays.append(reply_display)
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sent = False
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if conv_id:
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sent, resolved = await self._send_text(
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conv_id,
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reply,
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conversation_short_id=str(meta.get("conversation_short_id") or ""),
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)
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if sent:
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if resolved:
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meta = {**meta, **resolved, "conversation_id": conv_id}
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self._conv_meta[conv_id] = meta
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else:
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part_err = self.last_error or "IM API 发送失败"
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send_error = part_err
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failed_parts.append(f"{reply_display}: {part_err}")
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else:
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send_error = "缺少会话 ID，无法发送自动回复"
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failed_parts.append(f"{reply_display}: {send_error}")
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if sent:
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sent_any = True
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combined_display = " | ".join(reply_displays)
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reply_log_content = serialize_reply_log(replies)
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partial = sent_any and bool(failed_parts)
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if partial:
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send_error = "；".join(failed_parts)
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if not sent_any:
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logger.warning(
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f"IM API send failed for [{sender}]: {send_error}"
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)
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if peer_key and cooldown > 0:
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self._last_reply_at.pop(peer_key, None)
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self._replied_keys.add(key)
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if content:
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self._conv_previews[sender] = content
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await self.log_fn(
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**log_kwargs,
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reply=reply_log_content,
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status="replied" if sent_any and not partial else ("partial" if partial else "failed"),
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error=None if sent_any and not partial else (send_error or "IM API 发送失败"),
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)
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if sent_any and not partial:
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system_logger.record(
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"自动回复成功",
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detail=f"已回复 {sender}：{combined_display}",
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level="success",
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category="send",
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account_id=self.account_id,
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)
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elif partial:
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system_logger.record(
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"自动回复部分失败",
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detail=f"回复 {sender} 部分成功：{combined_display}；失败：{send_error}",
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level="warning",
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category="send",
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account_id=self.account_id,
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)
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else:
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system_logger.record(
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"自动回复失败",
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detail=f"回复 {sender} 失败：{send_error}（收到：{content}）",
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level="error",
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category="send",
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account_id=self.account_id,
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)
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logger.info(
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f"Auto-reply to {sender}: {content!r} -> {combined_display!r} "
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f"(sent={sent_any}, partial={partial}, msgs={len(replies)})"
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)
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def _index_conversations(self, conversations: list[dict]):
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for conv in conversations:
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conv_id = str(conv.get("conversation_id") or "")
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name = (conv.get("sender_name") or "").strip()
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if conv_id:
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self._conv_meta[conv_id] = conv
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if name:
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self._conv_names[conv_id] = name
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peer_uid = str(conv.get("peer_uid") or "")
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if peer_uid and name:
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self._conv_names[peer_uid] = name
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async def _poll_conversations(self):
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async with DouyinImHttpClient(self.session, account_id=self.account_id) as http:
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unread_total = await http.get_unread_count()
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if unread_total:
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logger.info(f"IM unread total: {unread_total}")
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conversations = await http.get_conversations()
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self._index_conversations(conversations)
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for conv in conversations:
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unread = int(conv.get("unread_count") or 0)
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if unread > 0 or conv.get("content"):
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await self._handle_incoming(conv)
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async def run(self):
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"""主循环：WebSocket + HTTP 轮询"""
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self._running = True
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ensure_frontier_ws(self.session)
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has_ws = bool(self.session.frontier_ws_url())
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cred_summary = format_session_credential_summary(self.session)
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logger.info(cred_summary)
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logger.info(
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f"Starting IM direct service for account {self.account_id} "
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f"(ws={'yes' if has_ws else 'no'})"
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)
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system_logger.record(
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"私信托管已启动",
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detail=f"实时接收通道：{'已就绪' if has_ws else '不可用（仅 HTTP 轮询）'}\n{cred_summary}",
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level="success" if has_ws else "warning",
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category="system",
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account_id=self.account_id,
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)
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self._ws_client = DouyinImWsClient(
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self.session, self._handle_incoming, account_id=self.account_id
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)
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await self._ws_client.start()
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try:
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await self._poll_conversations()
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except Exception as e:
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logger.warning(f"Initial conversation poll failed: {e}")
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system_logger.record(
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"首次会话轮询失败",
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detail=f"{e}",
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level="warning",
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category="poll",
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account_id=self.account_id,
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)
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loop_count = 0
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while self._running:
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loop_count += 1
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try:
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if loop_count % 3 == 1:
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await self._poll_conversations()
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if loop_count % 6 == 1:
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logger.info(f"IM direct tick #{loop_count} account={self.account_id}")
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except Exception as e:
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logger.error(f"IM poll error: {e}")
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system_logger.record(
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"会话轮询出错",
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detail=f"拉取会话/未读时出错：{e}",
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level="error",
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category="poll",
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account_id=self.account_id,
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)
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await asyncio.sleep(5)
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async def stop(self):
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self._running = False
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if self._ws_client:
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await self._ws_client.stop()
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def get_cached_conversations(self) -> list[dict]:
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"""返回运行中缓存的会话（来自 WS / 轮询）。"""
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||||
results = []
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||||
seen = set()
|
||||
for conv_id, meta in self._conv_meta.items():
|
||||
name = (meta.get("sender_name") or "").strip()
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||||
key = conv_id or name
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||||
if not key or key in seen:
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||||
continue
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||||
seen.add(key)
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results.append({
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"conversation_id": conv_id,
|
||||
"sender_name": name or f"会话{conv_id[-8:]}" if conv_id else "未知用户",
|
||||
"sender_avatar": meta.get("sender_avatar") or None,
|
||||
"content": str(meta.get("content") or ""),
|
||||
"unread_count": int(meta.get("unread_count") or 0),
|
||||
})
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return results
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||||
async def _send_text(
|
||||
self,
|
||||
conversation_id: str,
|
||||
content: str,
|
||||
conversation_short_id: str = "",
|
||||
) -> tuple[bool, Optional[dict]]:
|
||||
"""发送一条私信；若因签名凭证失效(7911)失败，刷新 web_protect 后自动重试一次。
|
||||
|
||||
返回 (是否成功, 解析到的会话 meta)。失败原因写入 self.last_error。
|
||||
"""
|
||||
self.last_send_risk_notice = ""
|
||||
for attempt in range(2):
|
||||
async with DouyinImHttpClient(self.session, account_id=self.account_id) as http:
|
||||
sent = await http.send_text_message(
|
||||
conversation_id,
|
||||
content,
|
||||
conversation_short_id=conversation_short_id,
|
||||
)
|
||||
self.last_error = http.last_error
|
||||
self.last_send_risk_notice = http.last_send_risk_notice
|
||||
needs_refresh = http.last_send_needs_refresh
|
||||
if sent:
|
||||
resolved = http.last_send_meta.get(conversation_id)
|
||||
self.session.conv_meta.update(http.session.conv_meta)
|
||||
return True, resolved
|
||||
|
||||
# 仅在“签名凭证失效”时刷新并重试一次
|
||||
if attempt == 0 and needs_refresh and self.refresh_credentials:
|
||||
logger.warning(
|
||||
f"Send hit credential-expiry(7911) for {conversation_id}; "
|
||||
"refreshing web_protect and retrying once..."
|
||||
)
|
||||
try:
|
||||
refreshed = await self.refresh_credentials()
|
||||
except Exception as e:
|
||||
logger.warning(f"refresh_credentials raised: {e}")
|
||||
refreshed = False
|
||||
if refreshed:
|
||||
continue
|
||||
break
|
||||
return False, None
|
||||
|
||||
async def send_message(self, conversation_id: str, content: str) -> bool:
|
||||
"""手动发送私信"""
|
||||
from .conv_util import normalize_conversation_id
|
||||
from .auth import DouyinAuth
|
||||
|
||||
auth = DouyinAuth()
|
||||
auth.perepare_auth(
|
||||
self.session.cookie_header(),
|
||||
self.session.web_protect_str,
|
||||
self.session.keys_str,
|
||||
)
|
||||
my_uid = auth.get_uid() or self.session.my_uid
|
||||
if my_uid:
|
||||
conversation_id = normalize_conversation_id(conversation_id, my_uid)
|
||||
|
||||
meta = self._conv_meta.get(conversation_id, {})
|
||||
sent, resolved = await self._send_text(
|
||||
conversation_id,
|
||||
content,
|
||||
conversation_short_id=str(meta.get("conversation_short_id") or ""),
|
||||
)
|
||||
if sent and resolved:
|
||||
self._conv_meta[conversation_id] = {
|
||||
**meta,
|
||||
**resolved,
|
||||
"conversation_id": conversation_id,
|
||||
}
|
||||
return sent
|
||||
Reference in New Issue
Block a user