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Prometheus-first
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"""长期运行、连接监督与本地控制台命令。"""
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from __future__ import annotations
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import json
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import logging
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import queue
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import shlex
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import sys
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import threading
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import time
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from .backend import CAPABILITIES, TEXT_CAPABILITIES, NativeFileHelperBackend, NativeTextBackend
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from .plugins import PluginManager
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from .sdk import ServiceFacade
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from .members import MemberStore
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from .personality import prepare_switch
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logger = logging.getLogger("Bot")
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class BotApplication:
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def __init__(self, root, store, *, backend_factory=None):
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self.root, self.store = root, store
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self.config = store.load()
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self.service = ServiceFacade(text_delay=self.config.get("text_send_delay"))
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self.members = MemberStore.from_config(self.config, self.store.path.parent)
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generic = self.config.get("backend") == "native_text"
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capabilities = TEXT_CAPABILITIES if generic else CAPABILITIES
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self.plugins = PluginManager(root / "plugins", store, self.service, capabilities,
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self.config.get("plugin_queue_size", 128), member_store=self.members)
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backend_type = NativeTextBackend if generic else NativeFileHelperBackend
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self.backend_factory = backend_factory or (lambda: backend_type(root, self.config))
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self.backend = None
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self.stop_event = threading.Event()
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self.commands = queue.Queue()
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self.last_cleanup = None
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self._connection_ready = False
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self._last_connection_log = 0
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self._last_connection_error = ""
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def _log_connection_error(self, error):
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text = f"{type(error).__name__}: {error}"
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now = time.monotonic()
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if text != self._last_connection_error or now - self._last_connection_log >= 30:
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logger.warning("等待微信连接：%s", text)
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self._last_connection_error, self._last_connection_log = text, now
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def _connect(self):
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try:
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candidate = self.backend_factory()
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self.backend = candidate
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self.service.bind(candidate)
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candidate.start(self._emit)
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self._connection_ready = True
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self._last_connection_error = ""
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logger.info("微信已连接，PID=%s；收发范围：%s", candidate.pid,
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getattr(candidate, "scope", "文本"))
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except Exception as error:
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self._connection_ready = False
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self._log_connection_error(error)
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self._disconnect()
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def _emit(self, message):
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allowed = self.config.get("chat_allowlist", [])
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if not allowed or message.chat_id in allowed:
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if self.members is not None:
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try:
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self.members.record(message)
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except Exception:
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logger.exception("群文本保存失败，消息继续分发到插件")
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if message.data.get("dispatch_to_plugins", True):
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if self.plugins.is_active("personality"):
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message = prepare_switch(message, self.members)
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self.plugins.dispatch(message)
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def _disconnect(self):
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self._connection_ready = False
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try:
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self.last_cleanup = self.service.close()
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self.backend = None
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return True
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except Exception as error:
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# 清理忙时保留实例，只重试清理，不覆盖 DLL、不再次注入。
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self._log_connection_error(error)
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return False
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def execute(self, command):
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words = shlex.split(command)
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if not words:
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return
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action = words[0].lower()
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if action in ("quit", "exit", "stop") and len(words) == 1:
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self.stop_event.set()
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elif action == "help" and len(words) == 1:
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logger.info("命令：status / chats / members [群ID] / history 称呼 [条数] / plugins / enable 名称 / disable 名称 / reload [名称] / quit")
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elif action == "status" and len(words) == 1:
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logger.info("状态：%s", json.dumps({"connected": self._connection_ready,
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"pid": self.backend.pid if self.backend else None,
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"native": self.backend.diagnostics() if self.backend and hasattr(self.backend, "diagnostics") else {},
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"plugins": self.plugins.status()}, ensure_ascii=False))
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elif action == "chats" and len(words) == 1:
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rows = self.backend.chats() if self.backend and hasattr(self.backend, "chats") else []
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logger.info("本次连接已接收的会话：%s", json.dumps(rows, ensure_ascii=False))
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elif action == "members" and len(words) in (1, 2):
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if self.members is None:
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raise ValueError("尚未配置成员目录")
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rows = [{"name": m.name, "display_name": m.display_name, "wxid": m.wxid,
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"room": m.room, "bound": bool(m.wxid)} for m in self.members.list_members(words[1] if len(words) == 2 else None)]
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logger.info("成员目录：%s", json.dumps(rows, ensure_ascii=False))
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elif action == "history" and len(words) in (2, 3):
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if self.members is None:
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raise ValueError("尚未配置成员目录")
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rows = self.members.history(words[1], limit=int(words[2]) if len(words) == 3 else 10)
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logger.info("成员聊天记录：%s", json.dumps(rows, ensure_ascii=False))
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elif action == "plugins" and len(words) == 1:
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for row in self.plugins.status():
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state = "运行" if row["active"] else "停用"
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logger.info("%s [%s] 已处理=%s 异常=%s 丢弃=%s %s", row["name"], state,
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row["handled"], row["errors"], row["dropped"], row["error"])
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elif action in ("enable", "disable") and len(words) == 2:
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getattr(self.plugins, action)(words[1])
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elif action == "reload" and len(words) in (1, 2):
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self.plugins.reload(words[1] if len(words) == 2 else None)
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else:
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raise ValueError("未知命令；输入 help 查看用法")
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def _read_console(self):
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# stdin 关闭时仍继续运行，适合后台启动。
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try:
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for line in sys.stdin:
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if self.stop_event.is_set():
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break
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self.commands.put(line.strip())
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except (OSError, ValueError):
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pass
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def run(self, *, seconds=0):
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started = time.monotonic()
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next_connect = 0
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next_rollover = 0
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try:
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if self.members is not None:
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self.members.initialize()
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self.plugins.reload()
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if self.config.get("console", True):
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threading.Thread(target=self._read_console, name="BotConsole", daemon=True).start()
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logger.info("框架已启动；输入 help 查看插件管理命令，Ctrl+C 退出")
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while not self.stop_event.is_set():
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now = time.monotonic()
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if self.members is not None and now >= next_rollover:
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self.members.rollover()
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next_rollover = now + 0.5
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if seconds and now - started >= seconds:
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break
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while True:
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try:
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command = self.commands.get_nowait()
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except queue.Empty:
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break
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try:
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self.execute(command)
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except Exception:
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logger.exception("控制台命令执行失败")
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if self.stop_event.is_set():
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break
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if self._connection_ready and self.backend.last_error:
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self._log_connection_error(self.backend.last_error)
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self._disconnect()
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next_connect = now + self.config.get("reconnect_seconds", 5)
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elif not self._connection_ready and now >= next_connect:
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if self.backend is None or self._disconnect():
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self._connect()
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next_connect = time.monotonic() + self.config.get("reconnect_seconds", 5)
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self.stop_event.wait(0.1)
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except KeyboardInterrupt:
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logger.info("收到退出指令")
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finally:
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self.stop()
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def stop(self):
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self.stop_event.set()
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self.service.cancel_pending()
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self.plugins.shutdown()
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cleaned = self._disconnect()
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if self.members is not None:
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self.members.close()
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if not cleaned:
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raise RuntimeError("原生连接未能清理；保留 DLL，请查看日志后再启动")
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logger.info("框架已停止；连接清理：%s", self.last_cleanup)
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