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mai-bot/src/plugin_runtime/runner/runner_main.py

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"""Runner 主循环
作为独立子进程运行,负责:
1. 从环境变量读取 IPC 地址和会话令牌
2. 连接 Host 并完成握手
3. 加载所有插件
4. 注册组件到 Host
5. 处理 Host 的调用请求
6. 转发插件的能力调用到 Host
"""
from pathlib import Path
from typing import Any, Callable, Dict, List, Optional, Protocol, Set, cast
import asyncio
import contextlib
import inspect
import json
import logging as stdlib_logging
import os
import signal
import sys
import time
import tomllib
from src.common.logger import get_console_handler, get_logger, initialize_logging
from src.plugin_runtime import (
ENV_EXTERNAL_PLUGIN_IDS,
ENV_HOST_VERSION,
ENV_IPC_ADDRESS,
ENV_PLUGIN_DIRS,
ENV_SESSION_TOKEN,
)
from src.plugin_runtime.protocol.envelope import (
BootstrapPluginPayload,
ComponentDeclaration,
ConfigUpdatedPayload,
Envelope,
HealthPayload,
InvokePayload,
InvokeResultPayload,
RegisterPluginPayload,
ReloadPluginPayload,
ReloadPluginResultPayload,
ReloadPluginsPayload,
ReloadPluginsResultPayload,
RunnerReadyPayload,
UnregisterPluginPayload,
)
from src.plugin_runtime.protocol.errors import ErrorCode
from src.plugin_runtime.runner.log_handler import RunnerIPCLogHandler
from src.plugin_runtime.runner.plugin_loader import PluginCandidate, PluginLoader, PluginMeta
from src.plugin_runtime.runner.rpc_client import RPCClient
logger = get_logger("plugin_runtime.runner.main")
_PLUGIN_ALLOWED_RAW_HOST_METHODS = frozenset(
{
"cap.call",
"host.route_message",
"host.update_message_gateway_state",
}
)
class _ContextAwarePlugin(Protocol):
"""支持注入运行时上下文的插件协议。
该协议用于描述 Runner 在激活插件时依赖的最小接口。
只要插件实例实现了 ``_set_context`` 方法,就可以被 Runner
注入 ``PluginContext`` 或兼容层上下文对象。
"""
def _set_context(self, context: Any) -> None:
"""为插件实例注入运行时上下文。
Args:
context: 由 Runner 构造的上下文对象。
"""
def _install_shutdown_signal_handlers(
mark_runner_shutting_down: Callable[[], None],
loop: Optional[asyncio.AbstractEventLoop] = None,
) -> None:
"""为 Runner 注册关停信号处理器。
Windows 默认事件循环不支持 add_signal_handler且当前 Runner 在 Windows
下由 Host 直接 terminate/kill不依赖进程内信号回调进行优雅收尾。
"""
if sys.platform == "win32":
return
target_loop = loop or asyncio.get_running_loop()
for sig in (signal.SIGTERM, signal.SIGINT):
try:
target_loop.add_signal_handler(sig, mark_runner_shutting_down)
except Exception as exc:
if not isinstance(exc, (NotImplementedError, RuntimeError)):
raise
logger.debug(f"当前事件循环不支持注册 Runner 信号处理器: {exc}")
return
def _disable_runner_console_logging() -> None:
"""关闭 Runner 的控制台日志输出,避免被 Host 从 stderr 二次包装。"""
root_logger = stdlib_logging.getLogger()
console_handler = get_console_handler()
if console_handler in root_logger.handlers:
root_logger.removeHandler(console_handler)
class PluginRunner:
"""插件 Runner
运行在独立子进程中,管理所有插件的执行。
"""
def __init__(
self,
host_address: str,
session_token: str,
plugin_dirs: List[str],
external_available_plugins: Optional[Dict[str, str]] = None,
) -> None:
"""初始化 Runner。
Args:
host_address: Host 的 IPC 地址。
session_token: 握手用会话令牌。
plugin_dirs: 当前 Runner 负责扫描的插件目录列表。
external_available_plugins: 视为已满足的外部依赖插件版本映射。
"""
self._host_address: str = host_address
self._session_token: str = session_token
self._plugin_dirs: List[str] = plugin_dirs
self._external_available_plugins: Dict[str, str] = {
str(plugin_id or "").strip(): str(plugin_version or "").strip()
for plugin_id, plugin_version in (external_available_plugins or {}).items()
if str(plugin_id or "").strip() and str(plugin_version or "").strip()
}
self._rpc_client: RPCClient = RPCClient(host_address, session_token)
self._loader: PluginLoader = PluginLoader(host_version=os.getenv(ENV_HOST_VERSION, ""))
self._start_time: float = time.monotonic()
self._shutting_down: bool = False
self._reload_lock: asyncio.Lock = asyncio.Lock()
# IPC 日志 Handler握手成功后安装将所有 stdlib logging 转发到 Host
self._log_handler: Optional[RunnerIPCLogHandler] = None
self._suspended_console_handlers: List[stdlib_logging.Handler] = []
async def run(self) -> None:
"""运行 Runner 主循环。"""
# 1. 连接 Host
logger.info(f"Runner 启动,连接 Host: {self._host_address}")
ok = await self._rpc_client.connect_and_handshake()
if not ok:
logger.error("握手失败,退出")
return
# 2. 握手成功后立即安装 IPC 日志 Handler接管所有 Runner 端日志
self._install_log_handler()
# 3. 注册方法处理器
self._register_handlers()
# 3. 加载插件
plugins = self._loader.discover_and_load(
self._plugin_dirs,
extra_available=self._external_available_plugins,
)
logger.info(f"已加载 {len(plugins)} 个插件")
# 4. 注入 PluginContext + 调用 on_load 生命周期钩子
failed_plugins: Set[str] = set(self._loader.failed_plugins.keys())
for meta in plugins:
ok = await self._activate_plugin(meta)
if not ok:
failed_plugins.add(meta.plugin_id)
successful_plugins = [meta.plugin_id for meta in plugins if meta.plugin_id not in failed_plugins]
await self._notify_ready(successful_plugins, sorted(failed_plugins))
# 5. 等待直到收到关停信号
with contextlib.suppress(asyncio.CancelledError):
while not self._shutting_down:
await asyncio.sleep(1.0)
# 6. 卸载 IPC 日志 Handler 并刷空剩余缓冲,然后断开连接
logger.info("Runner 开始关停")
await self._uninstall_log_handler()
await self._rpc_client.disconnect()
logger.info("Runner 已退出")
def _install_log_handler(self) -> None:
"""握手完成后将 RunnerIPCLogHandler 安装到 logging.root。
安装后Runner 进程内所有 stdlib logging 调用(含 structlog 透传的)
均会通过 IPC 转发到 Host由 Host 的 RunnerLogBridge 重放到主进程 Logger。
"""
loop = asyncio.get_running_loop()
handler = RunnerIPCLogHandler()
handler.start(self._rpc_client, loop)
self._suspend_console_handlers()
stdlib_logging.root.addHandler(handler)
self._log_handler = handler
logger.debug(
"RunnerIPCLogHandler \u5df2\u5b89\u88c3\uff0c\u63d2\u4ef6\u65e5\u5fd7\u5c06\u901a\u8fc7 IPC \u8f6c\u53d1\u5230\u4e3b\u8fdb\u7a0b"
)
async def _uninstall_log_handler(self) -> None:
"""关停前从 logging.root 移除 Handler 并刷空缓冲。
必须在 disconnect() 之前调用,确保最后一批日志能正常发送。
"""
if self._log_handler is None:
return
stdlib_logging.root.removeHandler(self._log_handler)
await self._log_handler.stop()
self._log_handler = None
self._restore_console_handlers()
logger.debug("RunnerIPCLogHandler \u5df2\u5378\u8f7d")
def _suspend_console_handlers(self) -> None:
"""暂停 Runner 的控制台输出,避免与 IPC 转发重复。"""
if self._suspended_console_handlers:
return
for handler in list(stdlib_logging.root.handlers):
if isinstance(handler, stdlib_logging.StreamHandler):
stdlib_logging.root.removeHandler(handler)
self._suspended_console_handlers.append(handler)
def _restore_console_handlers(self) -> None:
"""恢复此前暂停的控制台输出。"""
if not self._suspended_console_handlers:
return
for handler in self._suspended_console_handlers:
if handler not in stdlib_logging.root.handlers:
stdlib_logging.root.addHandler(handler)
self._suspended_console_handlers.clear()
def _inject_context(self, plugin_id: str, instance: object) -> None:
"""为插件实例创建并注入 PluginContext。
对新版 MaiBotPlugin具有 _set_context 方法):创建 PluginContext 并注入。
对旧版 LegacyPluginAdapter具有 _set_context 方法,由兼容代理封装):同上。
"""
if not hasattr(instance, "_set_context"):
return
try:
from maibot_sdk.context import PluginContext
except ImportError:
logger.warning(f"maibot_sdk 不可用,无法为插件 {plugin_id} 创建 PluginContext")
return
rpc_client = self._rpc_client
bound_plugin_id = plugin_id
async def _rpc_call(
method: str,
plugin_id: str = "",
payload: Optional[Dict[str, Any]] = None,
) -> Any:
"""桥接 PluginContext 的原始 RPC 调用到 Host。
无论调用方传入何种 plugin_id实际发往 Host 的 plugin_id
始终绑定为当前插件实例,避免伪造其他插件身份申请能力。
"""
if plugin_id and plugin_id != bound_plugin_id:
logger.warning(
f"插件 {bound_plugin_id} 尝试以 {plugin_id} 身份发起 RPC已强制绑定回自身身份"
)
normalized_method = str(method or "").strip()
if normalized_method not in _PLUGIN_ALLOWED_RAW_HOST_METHODS:
raise PermissionError(
f"插件 {bound_plugin_id} 不允许直接调用 Host 原始 RPC 方法: "
f"{normalized_method or '<empty>'}"
)
resp = await rpc_client.send_request(
method=normalized_method,
plugin_id=bound_plugin_id,
payload=payload or {},
)
if resp.error:
raise RuntimeError(resp.error.get("message", "能力调用失败"))
return resp.payload
ctx = PluginContext(plugin_id=plugin_id, rpc_call=_rpc_call)
cast(_ContextAwarePlugin, instance)._set_context(ctx)
logger.debug(f"已为插件 {plugin_id} 注入 PluginContext")
def _apply_plugin_config(self, meta: PluginMeta, config_data: Optional[Dict[str, Any]] = None) -> None:
"""在 Runner 侧为插件实例注入当前插件配置。"""
instance = meta.instance
if not hasattr(instance, "set_plugin_config"):
return
plugin_config = config_data if config_data is not None else self._load_plugin_config(meta.plugin_dir)
try:
instance.set_plugin_config(plugin_config)
except Exception as exc:
logger.warning(f"插件 {meta.plugin_id} 配置注入失败: {exc}")
@staticmethod
def _load_plugin_config(plugin_dir: str) -> Dict[str, Any]:
"""从插件目录读取 config.toml。"""
config_path = Path(plugin_dir) / "config.toml"
if not config_path.exists():
return {}
try:
with config_path.open("rb") as handle:
loaded = tomllib.load(handle)
except Exception as exc:
logger.warning(f"读取插件配置失败 {config_path}: {exc}")
return {}
return loaded if isinstance(loaded, dict) else {}
def _register_handlers(self) -> None:
"""注册 Host -> Runner 的方法处理器。"""
self._rpc_client.register_method("plugin.invoke_command", self._handle_invoke)
self._rpc_client.register_method("plugin.invoke_action", self._handle_invoke)
self._rpc_client.register_method("plugin.invoke_api", self._handle_invoke)
self._rpc_client.register_method("plugin.invoke_tool", self._handle_invoke)
self._rpc_client.register_method("plugin.invoke_message_gateway", self._handle_invoke)
self._rpc_client.register_method("plugin.emit_event", self._handle_event_invoke)
self._rpc_client.register_method("plugin.invoke_hook", self._handle_hook_invoke)
self._rpc_client.register_method("plugin.invoke_workflow_step", self._handle_workflow_step)
self._rpc_client.register_method("plugin.health", self._handle_health)
self._rpc_client.register_method("plugin.prepare_shutdown", self._handle_prepare_shutdown)
self._rpc_client.register_method("plugin.shutdown", self._handle_shutdown)
self._rpc_client.register_method("plugin.config_updated", self._handle_config_updated)
self._rpc_client.register_method("plugin.reload", self._handle_reload_plugin)
self._rpc_client.register_method("plugin.reload_batch", self._handle_reload_plugins)
@staticmethod
def _resolve_component_handler_name(meta: PluginMeta, component_name: str) -> str:
"""解析组件名对应的真实处理函数名。
Args:
meta: 已加载插件的元数据。
component_name: Host 侧请求中的组件声明名。
Returns:
str: 实际应在插件实例上查找的方法名。
"""
return str(meta.component_handlers.get(component_name, component_name) or component_name)
def _resolve_component_handler(self, meta: PluginMeta, component_name: str) -> Any:
"""根据组件声明名解析插件实例上的可调用处理函数。
Args:
meta: 已加载插件的元数据。
component_name: Host 侧请求中的组件声明名。
Returns:
Any: 解析到的可调用对象;未找到时返回 ``None``。
"""
instance = meta.instance
handler_name = self._resolve_component_handler_name(meta, component_name)
handler_method = getattr(instance, handler_name, None)
if handler_method is not None:
return handler_method
if handler_name != component_name:
legacy_style_handler = getattr(instance, f"handle_{component_name}", None)
if legacy_style_handler is not None:
return legacy_style_handler
prefixed_handler = getattr(instance, f"handle_{component_name}", None)
if prefixed_handler is not None:
return prefixed_handler
return getattr(instance, component_name, None)
async def _bootstrap_plugin(self, meta: PluginMeta, capabilities_required: Optional[List[str]] = None) -> bool:
"""向 Host 同步插件 bootstrap 能力令牌。"""
payload = BootstrapPluginPayload(
plugin_id=meta.plugin_id,
plugin_version=meta.version,
capabilities_required=capabilities_required
if capabilities_required is not None
else list(meta.capabilities_required or []),
)
try:
response = await self._rpc_client.send_request(
"plugin.bootstrap",
plugin_id=meta.plugin_id,
payload=payload.model_dump(),
timeout_ms=10000,
)
if response.error:
raise RuntimeError(response.error.get("message", "插件 bootstrap 失败"))
return True
except Exception as e:
logger.error(f"插件 {meta.plugin_id} bootstrap 失败: {e}")
return False
async def _deactivate_plugin(self, meta: PluginMeta) -> None:
"""撤销 bootstrap 期间为插件签发的能力令牌。"""
await self._bootstrap_plugin(meta, capabilities_required=[])
async def _register_plugin(self, meta: PluginMeta) -> bool:
"""向 Host 注册单个插件。
Args:
meta: 待注册的插件元数据。
Returns:
bool: 是否注册成功。
"""
# 收集插件组件声明
components: List[ComponentDeclaration] = []
config_reload_subscriptions: List[str] = []
instance = meta.instance
# 从插件实例获取组件声明SDK 插件须实现 get_components 方法)
if hasattr(instance, "get_components"):
meta.component_handlers.clear()
for comp_info in instance.get_components():
if not isinstance(comp_info, dict):
continue
component_name = str(comp_info.get("name", "") or "").strip()
raw_metadata = comp_info.get("metadata", {})
component_metadata = raw_metadata if isinstance(raw_metadata, dict) else {}
if component_name:
handler_name = str(component_metadata.get("handler_name", component_name) or component_name).strip()
meta.component_handlers[component_name] = handler_name or component_name
components.append(
ComponentDeclaration(
name=component_name,
component_type=str(comp_info.get("type", "") or "").strip(),
plugin_id=meta.plugin_id,
metadata=component_metadata,
)
)
if hasattr(instance, "get_config_reload_subscriptions"):
config_reload_subscriptions = list(instance.get_config_reload_subscriptions())
reg_payload = RegisterPluginPayload(
plugin_id=meta.plugin_id,
plugin_version=meta.version,
components=components,
capabilities_required=meta.capabilities_required,
dependencies=meta.dependencies,
config_reload_subscriptions=config_reload_subscriptions,
)
try:
response = await self._rpc_client.send_request(
"plugin.register_components",
plugin_id=meta.plugin_id,
payload=reg_payload.model_dump(),
timeout_ms=10000,
)
if response.error:
raise RuntimeError(response.error.get("message", "插件注册失败"))
logger.info(f"插件 {meta.plugin_id} 注册完成")
return True
except Exception as e:
logger.error(f"插件 {meta.plugin_id} 注册失败: {e}")
return False
async def _unregister_plugin(self, plugin_id: str, reason: str) -> None:
"""通知 Host 注销指定插件。
Args:
plugin_id: 目标插件 ID。
reason: 注销原因。
"""
payload = UnregisterPluginPayload(plugin_id=plugin_id, reason=reason)
try:
await self._rpc_client.send_request(
"plugin.unregister",
plugin_id=plugin_id,
payload=payload.model_dump(),
timeout_ms=10000,
)
except Exception as exc:
logger.warning(f"插件 {plugin_id} 注销通知失败: {exc}")
async def _invoke_plugin_on_load(self, meta: PluginMeta) -> bool:
"""执行插件的 ``on_load`` 生命周期。
Args:
meta: 待初始化的插件元数据。
Returns:
bool: 生命周期是否执行成功。
"""
instance = meta.instance
if not hasattr(instance, "on_load"):
return True
try:
result = instance.on_load()
if asyncio.iscoroutine(result):
await result
return True
except Exception as exc:
logger.error(f"插件 {meta.plugin_id} on_load 失败: {exc}", exc_info=True)
return False
async def _invoke_plugin_on_unload(self, meta: PluginMeta) -> None:
"""执行插件的 ``on_unload`` 生命周期。
Args:
meta: 待卸载的插件元数据。
"""
instance = meta.instance
if not hasattr(instance, "on_unload"):
return
try:
result = instance.on_unload()
if asyncio.iscoroutine(result):
await result
except Exception as exc:
logger.error(f"插件 {meta.plugin_id} on_unload 失败: {exc}", exc_info=True)
async def _activate_plugin(self, meta: PluginMeta) -> bool:
"""完成插件注入、授权、生命周期和组件注册。
Args:
meta: 待激活的插件元数据。
Returns:
bool: 是否激活成功。
"""
self._inject_context(meta.plugin_id, meta.instance)
self._apply_plugin_config(meta)
if not await self._bootstrap_plugin(meta):
self._loader.purge_plugin_modules(meta.plugin_id, meta.plugin_dir)
return False
if not await self._register_plugin(meta):
await self._invoke_plugin_on_unload(meta)
await self._deactivate_plugin(meta)
self._loader.purge_plugin_modules(meta.plugin_id, meta.plugin_dir)
return False
if not await self._invoke_plugin_on_load(meta):
await self._unregister_plugin(meta.plugin_id, reason="on_load_failed")
await self._deactivate_plugin(meta)
self._loader.purge_plugin_modules(meta.plugin_id, meta.plugin_dir)
return False
self._loader.set_loaded_plugin(meta)
return True
async def _unload_plugin(self, meta: PluginMeta, reason: str, *, purge_modules: bool = True) -> None:
"""卸载单个插件并清理 Host/Runner 两侧状态。
Args:
meta: 待卸载的插件元数据。
reason: 卸载原因。
purge_modules: 是否在卸载完成后清理插件模块缓存。
"""
await self._invoke_plugin_on_unload(meta)
await self._unregister_plugin(meta.plugin_id, reason)
await self._deactivate_plugin(meta)
self._loader.remove_loaded_plugin(meta.plugin_id)
if purge_modules:
self._loader.purge_plugin_modules(meta.plugin_id, meta.plugin_dir)
def _collect_reverse_dependents(self, plugin_id: str) -> Set[str]:
"""收集依赖指定插件的所有已加载插件。
Args:
plugin_id: 根插件 ID。
Returns:
Set[str]: 目标插件及其所有反向依赖插件集合。
"""
impacted_plugins: Set[str] = {plugin_id}
changed = True
while changed:
changed = False
for loaded_plugin_id in self._loader.list_plugins():
if loaded_plugin_id in impacted_plugins:
continue
meta = self._loader.get_plugin(loaded_plugin_id)
if meta is None:
continue
if any(dependency in impacted_plugins for dependency in meta.dependencies):
impacted_plugins.add(loaded_plugin_id)
changed = True
return impacted_plugins
def _collect_reverse_dependents_for_roots(self, plugin_ids: Set[str]) -> Set[str]:
"""收集多个根插件对应的反向依赖并集。
Args:
plugin_ids: 根插件 ID 集合。
Returns:
Set[str]: 所有根插件及其反向依赖并集。
"""
impacted_plugins: Set[str] = set()
for plugin_id in sorted(plugin_ids):
impacted_plugins.update(self._collect_reverse_dependents(plugin_id))
return impacted_plugins
def _build_unload_order(self, plugin_ids: Set[str]) -> List[str]:
"""构建受影响插件的卸载顺序。
Args:
plugin_ids: 需要卸载的插件集合。
Returns:
List[str]: 依赖方优先的卸载顺序。
"""
dependency_graph: Dict[str, Set[str]] = {}
for plugin_id in plugin_ids:
meta = self._loader.get_plugin(plugin_id)
if meta is None:
dependency_graph[plugin_id] = set()
continue
dependency_graph[plugin_id] = {dependency for dependency in meta.dependencies if dependency in plugin_ids}
indegree: Dict[str, int] = {plugin_id: len(dependencies) for plugin_id, dependencies in dependency_graph.items()}
reverse_graph: Dict[str, Set[str]] = {plugin_id: set() for plugin_id in dependency_graph}
for plugin_id, dependencies in dependency_graph.items():
for dependency in dependencies:
reverse_graph.setdefault(dependency, set()).add(plugin_id)
queue: List[str] = sorted(plugin_id for plugin_id, degree in indegree.items() if degree == 0)
load_order: List[str] = []
while queue:
current_plugin_id = queue.pop(0)
load_order.append(current_plugin_id)
for dependent_plugin_id in sorted(reverse_graph.get(current_plugin_id, set())):
indegree[dependent_plugin_id] -= 1
if indegree[dependent_plugin_id] == 0:
queue.append(dependent_plugin_id)
queue.sort()
return list(reversed(load_order))
@staticmethod
def _normalize_requested_plugin_ids(plugin_ids: List[str]) -> List[str]:
"""规范化批量重载请求中的插件 ID 列表。"""
normalized_plugin_ids: List[str] = []
seen_plugin_ids: Set[str] = set()
for plugin_id in plugin_ids:
normalized_plugin_id = str(plugin_id or "").strip()
if not normalized_plugin_id or normalized_plugin_id in seen_plugin_ids:
continue
seen_plugin_ids.add(normalized_plugin_id)
normalized_plugin_ids.append(normalized_plugin_id)
return normalized_plugin_ids
@staticmethod
def _finalize_failed_reload_messages(
failed_plugins: Dict[str, str],
rollback_failures: Dict[str, str],
) -> Dict[str, str]:
"""在重载失败后补充回滚结果说明。"""
finalized_failures: Dict[str, str] = {}
for failed_plugin_id, failure_reason in failed_plugins.items():
rollback_failure = rollback_failures.get(failed_plugin_id)
if rollback_failure:
finalized_failures[failed_plugin_id] = (
f"{failure_reason};且旧版本恢复失败: {rollback_failure}"
)
else:
finalized_failures[failed_plugin_id] = f"{failure_reason}(已恢复旧版本)"
for failed_plugin_id, rollback_failure in rollback_failures.items():
if failed_plugin_id not in finalized_failures:
finalized_failures[failed_plugin_id] = f"旧版本恢复失败: {rollback_failure}"
return finalized_failures
async def _reload_plugin_by_id(
self,
plugin_id: str,
reason: str,
external_available_plugins: Optional[Dict[str, str]] = None,
) -> ReloadPluginResultPayload:
"""按插件 ID 在 Runner 进程内执行精确重载。
Args:
plugin_id: 目标插件 ID。
reason: 重载原因。
external_available_plugins: 视为已满足的外部依赖插件版本映射。
Returns:
ReloadPluginResultPayload: 结构化重载结果。
"""
batch_result = await self._reload_plugins_by_ids(
[plugin_id],
reason,
external_available_plugins=external_available_plugins,
)
return ReloadPluginResultPayload(
success=batch_result.success,
requested_plugin_id=plugin_id,
reloaded_plugins=batch_result.reloaded_plugins,
unloaded_plugins=batch_result.unloaded_plugins,
failed_plugins=batch_result.failed_plugins,
)
async def _reload_plugins_by_ids(
self,
plugin_ids: List[str],
reason: str,
external_available_plugins: Optional[Dict[str, str]] = None,
) -> ReloadPluginsResultPayload:
"""按插件 ID 列表在 Runner 进程内执行一次批量重载。"""
normalized_plugin_ids = self._normalize_requested_plugin_ids(plugin_ids)
if not normalized_plugin_ids:
return ReloadPluginsResultPayload(success=True, requested_plugin_ids=[])
candidates, duplicate_candidates = self._loader.discover_candidates(self._plugin_dirs)
failed_plugins: Dict[str, str] = {}
normalized_external_available = {
str(candidate_plugin_id or "").strip(): str(candidate_plugin_version or "").strip()
for candidate_plugin_id, candidate_plugin_version in (external_available_plugins or {}).items()
if str(candidate_plugin_id or "").strip() and str(candidate_plugin_version or "").strip()
}
loaded_plugin_ids = set(self._loader.list_plugins())
reload_root_ids: Set[str] = set()
for plugin_id in normalized_plugin_ids:
if plugin_id in duplicate_candidates:
conflict_paths = ", ".join(str(path) for path in duplicate_candidates[plugin_id])
failed_plugins[plugin_id] = f"检测到重复插件 ID: {conflict_paths}"
continue
plugin_is_loaded = plugin_id in loaded_plugin_ids
plugin_has_candidate = plugin_id in candidates
if not plugin_is_loaded and not plugin_has_candidate:
failed_plugins[plugin_id] = "插件不存在或未找到合法的 manifest/plugin.py"
continue
reload_root_ids.add(plugin_id)
if not reload_root_ids:
return ReloadPluginsResultPayload(
success=False,
requested_plugin_ids=normalized_plugin_ids,
failed_plugins=failed_plugins,
)
target_plugin_ids: Set[str] = {
plugin_id for plugin_id in reload_root_ids if plugin_id not in loaded_plugin_ids
}
if loaded_root_plugin_ids := reload_root_ids & loaded_plugin_ids:
target_plugin_ids.update(self._collect_reverse_dependents_for_roots(loaded_root_plugin_ids))
unload_order = self._build_unload_order(target_plugin_ids & loaded_plugin_ids)
unloaded_plugins: List[str] = []
retained_plugin_ids = loaded_plugin_ids - set(unload_order)
rollback_metas: Dict[str, PluginMeta] = {}
for unload_plugin_id in unload_order:
meta = self._loader.get_plugin(unload_plugin_id)
if meta is None:
continue
rollback_metas[unload_plugin_id] = meta
await self._unload_plugin(meta, reason=reason, purge_modules=False)
self._loader.purge_plugin_modules(unload_plugin_id, meta.plugin_dir)
unloaded_plugins.append(unload_plugin_id)
reload_candidates: Dict[str, PluginCandidate] = {}
for target_plugin_id in target_plugin_ids:
candidate = candidates.get(target_plugin_id)
if candidate is None:
failed_plugins[target_plugin_id] = "插件目录已不存在"
continue
reload_candidates[target_plugin_id] = candidate
load_order, dependency_failures = self._loader.resolve_dependencies(
reload_candidates,
extra_available={
**normalized_external_available,
**{
retained_plugin_id: retained_meta.version
for retained_plugin_id in retained_plugin_ids
if (retained_meta := self._loader.get_plugin(retained_plugin_id)) is not None
},
},
)
failed_plugins.update(dependency_failures)
available_plugins = {
**normalized_external_available,
**{
retained_plugin_id: retained_meta.version
for retained_plugin_id in retained_plugin_ids
if (retained_meta := self._loader.get_plugin(retained_plugin_id)) is not None
},
}
reloaded_plugins: List[str] = []
for load_plugin_id in load_order:
if load_plugin_id in failed_plugins:
continue
candidate = reload_candidates.get(load_plugin_id)
if candidate is None:
continue
_, manifest, _ = candidate
if unsatisfied_dependencies := self._loader.manifest_validator.get_unsatisfied_plugin_dependencies(
manifest,
available_plugin_versions=available_plugins,
):
failed_plugins[load_plugin_id] = f"依赖未满足: {', '.join(unsatisfied_dependencies)}"
continue
meta = self._loader.load_candidate(load_plugin_id, candidate)
if meta is None:
failed_plugins[load_plugin_id] = "插件模块加载失败"
continue
activated = await self._activate_plugin(meta)
if not activated:
failed_plugins[load_plugin_id] = "插件初始化失败"
continue
available_plugins[load_plugin_id] = meta.version
reloaded_plugins.append(load_plugin_id)
if failed_plugins:
rollback_failures: Dict[str, str] = {}
for reloaded_plugin_id in reversed(reloaded_plugins):
reloaded_meta = self._loader.get_plugin(reloaded_plugin_id)
if reloaded_meta is None:
continue
try:
await self._unload_plugin(
reloaded_meta,
reason=f"{reason}_rollback_cleanup",
purge_modules=False,
)
except Exception as exc:
rollback_failures[reloaded_plugin_id] = f"清理失败: {exc}"
finally:
self._loader.purge_plugin_modules(reloaded_plugin_id, reloaded_meta.plugin_dir)
for rollback_plugin_id in reversed(unload_order):
rollback_meta = rollback_metas.get(rollback_plugin_id)
if rollback_meta is None:
continue
try:
restored = await self._activate_plugin(rollback_meta)
except Exception as exc:
rollback_failures[rollback_plugin_id] = str(exc)
continue
if not restored:
rollback_failures[rollback_plugin_id] = "无法重新激活旧版本"
return ReloadPluginsResultPayload(
success=False,
requested_plugin_ids=normalized_plugin_ids,
reloaded_plugins=[],
unloaded_plugins=unloaded_plugins,
failed_plugins=self._finalize_failed_reload_messages(failed_plugins, rollback_failures),
)
requested_plugin_success = all(plugin_id in reloaded_plugins for plugin_id in reload_root_ids)
return ReloadPluginsResultPayload(
success=requested_plugin_success and not failed_plugins,
requested_plugin_ids=normalized_plugin_ids,
reloaded_plugins=reloaded_plugins,
unloaded_plugins=unloaded_plugins,
failed_plugins=failed_plugins,
)
async def _notify_ready(self, loaded_plugins: List[str], failed_plugins: List[str]) -> None:
"""通知 Host 当前 Runner 已完成插件初始化。
Args:
loaded_plugins: 成功初始化的插件列表。
failed_plugins: 初始化失败的插件列表。
"""
payload = RunnerReadyPayload(
loaded_plugins=loaded_plugins,
failed_plugins=failed_plugins,
)
await self._rpc_client.send_request(
"runner.ready",
payload=payload.model_dump(),
timeout_ms=10000,
)
async def _handle_invoke(self, envelope: Envelope) -> Envelope:
"""处理组件调用请求"""
try:
invoke = InvokePayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
plugin_id = envelope.plugin_id
meta = self._loader.get_plugin(plugin_id)
if meta is None:
return envelope.make_error_response(
ErrorCode.E_PLUGIN_NOT_FOUND.value,
f"插件 {plugin_id} 未加载",
)
component_name = invoke.component_name
handler_method = self._resolve_component_handler(meta, component_name)
# 回退: 旧版 LegacyPluginAdapter 通过 invoke_component 统一桥接
if (handler_method is None or not callable(handler_method)) and hasattr(meta.instance, "invoke_component"):
try:
result = await meta.instance.invoke_component(component_name, **invoke.args)
resp_payload = InvokeResultPayload(success=True, result=result)
return envelope.make_response(payload=resp_payload.model_dump())
except Exception as e:
logger.error(f"插件 {plugin_id} 组件 {component_name} (legacy) 执行异常: {e}", exc_info=True)
resp_payload = InvokeResultPayload(success=False, result=str(e))
return envelope.make_response(payload=resp_payload.model_dump())
if handler_method is None or not callable(handler_method):
return envelope.make_error_response(
ErrorCode.E_METHOD_NOT_ALLOWED.value,
f"插件 {plugin_id} 无组件: {component_name}",
)
try:
result = (
await handler_method(**invoke.args)
if inspect.iscoroutinefunction(handler_method)
else handler_method(**invoke.args)
)
resp_payload = InvokeResultPayload(success=True, result=result)
return envelope.make_response(payload=resp_payload.model_dump())
except Exception as e:
logger.error(f"插件 {plugin_id} 组件 {component_name} 执行异常: {e}", exc_info=True)
resp_payload = InvokeResultPayload(success=False, result=str(e))
return envelope.make_response(payload=resp_payload.model_dump())
async def _handle_event_invoke(self, envelope: Envelope) -> Envelope:
"""处理 EventHandler 调用请求
与通用 invoke 不同,会将返回值规范化为
{success, continue_processing, modified_message, custom_result} 格式,
使 EventDispatcher 可直接从 payload 顶层读取这些字段。
"""
try:
invoke = InvokePayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
plugin_id = envelope.plugin_id
meta = self._loader.get_plugin(plugin_id)
if meta is None:
return envelope.make_error_response(
ErrorCode.E_PLUGIN_NOT_FOUND.value,
f"插件 {plugin_id} 未加载",
)
component_name = invoke.component_name
handler_method = self._resolve_component_handler(meta, component_name)
if handler_method is None or not callable(handler_method):
return envelope.make_error_response(
ErrorCode.E_METHOD_NOT_ALLOWED.value,
f"插件 {plugin_id} 无组件: {component_name}",
)
try:
raw = (
await handler_method(**invoke.args)
if inspect.iscoroutinefunction(handler_method)
else handler_method(**invoke.args)
)
# 规范化返回值:将 EventHandler 返回展平到 payload 顶层
if raw is None:
result = {"success": True, "continue_processing": True}
elif isinstance(raw, dict):
result = {
"success": True,
# 兼容 guide.md 中文档的 {"blocked": True} 写法
"continue_processing": not raw.get("blocked", False)
if "blocked" in raw
else raw.get("continue_processing", True),
"modified_message": raw.get("modified_message"),
"custom_result": raw.get("custom_result"),
}
else:
result = {"success": True, "continue_processing": True, "custom_result": raw}
return envelope.make_response(payload=result)
except Exception as e:
logger.error(f"插件 {plugin_id} event_handler {component_name} 执行异常: {e}", exc_info=True)
return envelope.make_response(payload={"success": False, "continue_processing": True})
async def _handle_hook_invoke(self, envelope: Envelope) -> Envelope:
"""处理 HookHandler 调用请求。
Args:
envelope: RPC 请求信封。
Returns:
Envelope: 标准化后的 Hook 调用结果。
"""
try:
invoke = InvokePayload.model_validate(envelope.payload)
except Exception as exc:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(exc))
plugin_id = envelope.plugin_id
meta = self._loader.get_plugin(plugin_id)
if meta is None:
return envelope.make_error_response(
ErrorCode.E_PLUGIN_NOT_FOUND.value,
f"插件 {plugin_id} 未加载",
)
component_name = invoke.component_name
handler_method = self._resolve_component_handler(meta, component_name)
if handler_method is None or not callable(handler_method):
return envelope.make_error_response(
ErrorCode.E_METHOD_NOT_ALLOWED.value,
f"插件 {plugin_id} 无组件: {component_name}",
)
try:
raw = (
await handler_method(**invoke.args)
if inspect.iscoroutinefunction(handler_method)
else handler_method(**invoke.args)
)
except Exception as exc:
logger.error(f"插件 {plugin_id} hook_handler {component_name} 执行异常: {exc}", exc_info=True)
return envelope.make_response(payload={"success": False, "continue_processing": True})
if raw is None:
result = {"success": True, "continue_processing": True}
elif isinstance(raw, dict):
result = {
"success": True,
"continue_processing": raw.get("continue_processing", True),
"modified_kwargs": raw.get("modified_kwargs"),
"custom_result": raw.get("custom_result"),
}
else:
result = {"success": True, "continue_processing": True, "custom_result": raw}
return envelope.make_response(payload=result)
async def _handle_workflow_step(self, envelope: Envelope) -> Envelope:
"""处理 WorkflowStep 调用请求
与通用 invoke 不同,会将返回值规范化为
{hook_result, modified_message, stage_output} 格式。
"""
try:
invoke = InvokePayload.model_validate(envelope.payload)
except Exception as e:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(e))
plugin_id = envelope.plugin_id
meta = self._loader.get_plugin(plugin_id)
if meta is None:
return envelope.make_error_response(
ErrorCode.E_PLUGIN_NOT_FOUND.value,
f"插件 {plugin_id} 未加载",
)
component_name = invoke.component_name
handler_method = self._resolve_component_handler(meta, component_name)
if handler_method is None or not callable(handler_method):
return envelope.make_error_response(
ErrorCode.E_METHOD_NOT_ALLOWED.value,
f"插件 {plugin_id} 无组件: {component_name}",
)
try:
raw = (
await handler_method(**invoke.args)
if inspect.iscoroutinefunction(handler_method)
else handler_method(**invoke.args)
)
# 规范化返回值
if isinstance(raw, str):
result = {"hook_result": raw}
elif isinstance(raw, dict):
result = raw
result.setdefault("hook_result", "continue")
else:
result = {"hook_result": "continue"}
resp_payload = InvokeResultPayload(success=True, result=result)
return envelope.make_response(payload=resp_payload.model_dump())
except Exception as e:
logger.error(f"插件 {plugin_id} workflow_step {component_name} 执行异常: {e}", exc_info=True)
resp_payload = InvokeResultPayload(success=False, result=str(e))
return envelope.make_response(payload=resp_payload.model_dump())
async def _handle_health(self, envelope: Envelope) -> Envelope:
"""处理健康检查"""
uptime_ms = int((time.monotonic() - self._start_time) * 1000)
health = HealthPayload(
healthy=True,
loaded_plugins=self._loader.list_plugins(),
uptime_ms=uptime_ms,
)
return envelope.make_response(payload=health.model_dump())
async def _handle_prepare_shutdown(self, envelope: Envelope) -> Envelope:
"""处理准备关停"""
logger.info("收到 prepare_shutdown 信号")
return envelope.make_response(payload={"acknowledged": True})
async def _handle_shutdown(self, envelope: Envelope) -> Envelope:
"""处理关停 — 调用所有插件的 on_unload 后退出"""
logger.info("收到 shutdown 信号,开始调用 on_unload")
for plugin_id in list(self._loader.list_plugins()):
meta = self._loader.get_plugin(plugin_id)
if meta is not None:
await self._unload_plugin(meta, reason="runner_shutdown")
self._shutting_down = True
return envelope.make_response(payload={"acknowledged": True})
async def _handle_config_updated(self, envelope: Envelope) -> Envelope:
"""处理配置更新事件。"""
try:
payload = ConfigUpdatedPayload.model_validate(envelope.payload)
except Exception as exc:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(exc))
plugin_id = envelope.plugin_id
if meta := self._loader.get_plugin(plugin_id):
try:
config_scope = payload.config_scope.value
if config_scope == "self":
self._apply_plugin_config(meta, config_data=payload.config_data)
if not hasattr(meta.instance, "on_config_update"):
raise AttributeError("插件缺少 on_config_update() 实现")
ret = meta.instance.on_config_update(
config_scope,
payload.config_data,
payload.config_version,
)
if asyncio.iscoroutine(ret):
await ret
except Exception as e:
logger.error(f"插件 {plugin_id} 配置更新失败: {e}")
return envelope.make_error_response(ErrorCode.E_UNKNOWN.value, str(e))
return envelope.make_response(payload={"acknowledged": True})
async def _handle_reload_plugin(self, envelope: Envelope) -> Envelope:
"""处理按插件 ID 的精确重载请求。
Args:
envelope: RPC 请求信封。
Returns:
Envelope: 结构化重载结果。
"""
try:
payload = ReloadPluginPayload.model_validate(envelope.payload)
except Exception as exc:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(exc))
if self._reload_lock.locked():
return envelope.make_error_response(
ErrorCode.E_RELOAD_IN_PROGRESS.value,
f"插件 {payload.plugin_id} 重载请求被拒绝:已有重载任务正在执行",
)
async with self._reload_lock:
result = await self._reload_plugin_by_id(
payload.plugin_id,
payload.reason,
external_available_plugins=dict(payload.external_available_plugins),
)
return envelope.make_response(payload=result.model_dump())
async def _handle_reload_plugins(self, envelope: Envelope) -> Envelope:
"""处理批量插件重载请求。"""
try:
payload = ReloadPluginsPayload.model_validate(envelope.payload)
except Exception as exc:
return envelope.make_error_response(ErrorCode.E_BAD_PAYLOAD.value, str(exc))
if self._reload_lock.locked():
requested_plugin_ids = ", ".join(self._normalize_requested_plugin_ids(payload.plugin_ids)) or "<empty>"
return envelope.make_error_response(
ErrorCode.E_RELOAD_IN_PROGRESS.value,
f"插件 {requested_plugin_ids} 批量重载请求被拒绝:已有重载任务正在执行",
)
async with self._reload_lock:
result = await self._reload_plugins_by_ids(
list(payload.plugin_ids),
payload.reason,
external_available_plugins=dict(payload.external_available_plugins),
)
return envelope.make_response(payload=result.model_dump())
def request_capability(self) -> RPCClient:
"""获取 RPC 客户端(供 SDK 使用,发起能力调用)"""
return self._rpc_client
# ─── sys.path 隔离 ────────────────────────────────────────
def _isolate_sys_path(plugin_dirs: List[str]) -> None:
"""清理 sys.path限制 Runner 子进程只能访问标准库、SDK 和插件目录。
同时阻止插件代码直接导入主程序内部 ``src.*`` 模块,并清理可直接从
``sys.modules`` 摸到的高权限叶子模块,避免绕过 SDK / capability 边界。
"""
from importlib import util as importlib_util
from types import ModuleType
import builtins
import importlib
import sysconfig
# 保留: 标准库路径 + site-packages含 SDK 和依赖)
stdlib_paths = set()
for key in ("stdlib", "platstdlib", "purelib", "platlib"):
if path := sysconfig.get_path(key):
stdlib_paths.add(os.path.normpath(path))
runtime_paths = set(stdlib_paths)
if os.name == "nt":
# Windows 的部分平台扩展模块和依赖会通过 <prefix>/DLLs 暴露在 sys.path 中。
for prefix in {sys.prefix, sys.exec_prefix, sys.base_prefix, sys.base_exec_prefix}:
if prefix:
runtime_paths.add(os.path.normpath(os.path.join(prefix, "DLLs")))
allowed = set()
for p in sys.path:
norm = os.path.normpath(p)
# 保留标准库和 site-packages
if any(norm.startswith(runtime_path) for runtime_path in runtime_paths):
allowed.add(p)
# 保留 site-packages第三方库 + SDK
if "site-packages" in norm or "dist-packages" in norm:
allowed.add(p)
# 添加插件目录
plugin_dir_paths = [os.path.normpath(d) for d in plugin_dirs]
for d in plugin_dir_paths:
allowed.add(d)
preserved_paths = [p for p in sys.path if p in allowed]
for extra_path in plugin_dir_paths:
if extra_path not in preserved_paths:
preserved_paths.append(extra_path)
sys.path[:] = preserved_paths
# 仅为旧版插件兼容层保留极小的 src.* 可见面:
# - src.plugin_system.*: 通过 maibot_sdk.compat 导入钩子重定向
# - src.common.logger: 仓库内仍有少量旧插件沿用该日志入口
allowed_src_exact_modules = frozenset(
{
"src",
"src.common",
"src.common.logger",
"src.common.logger_color_and_mapping",
}
)
allowed_src_prefixes = ("src.plugin_system",)
plugin_module_prefix = "_maibot_plugin_"
def _is_allowed_src_module(fullname: str) -> bool:
"""判断给定 src.* 模块是否在 Runner 允许列表中。"""
if fullname in allowed_src_exact_modules:
return True
return any(fullname == prefix or fullname.startswith(f"{prefix}.") for prefix in allowed_src_prefixes)
def _resolve_requester_name(import_globals: Any = None) -> str:
"""解析当前导入请求的发起模块名。"""
if isinstance(import_globals, dict):
for key in ("__name__", "__package__"):
value = import_globals.get(key)
if isinstance(value, str) and value:
return value
frame = inspect.currentframe()
try:
current = frame.f_back if frame is not None else None
while current is not None:
module_name = current.f_globals.get("__name__", "")
if not isinstance(module_name, str) or not module_name:
current = current.f_back
continue
if module_name == __name__ or module_name.startswith("importlib"):
current = current.f_back
continue
return module_name
return ""
finally:
del frame
def _is_plugin_import_request(import_globals: Any = None) -> bool:
"""判断当前导入是否由插件模块直接发起。"""
requester_name = _resolve_requester_name(import_globals)
return requester_name.startswith(plugin_module_prefix)
def _format_block_message(fullname: str) -> str:
"""构造统一的拒绝导入错误信息。"""
return (
f"Runner 子进程不允许导入主程序模块: {fullname}"
"请改用 maibot_sdk 或 src.plugin_system 兼容层提供的接口。"
)
def _iter_requested_src_modules(name: str, fromlist: Any) -> List[str]:
"""展开本次导入请求涉及的 src.* 模块名。"""
requested_modules = [name]
if not name.startswith("src") or not fromlist:
return requested_modules
for item in fromlist:
if not isinstance(item, str) or not item or item == "*":
continue
requested_modules.append(f"{name}.{item}")
return requested_modules
def _assert_plugin_import_allowed(name: str, import_globals: Any = None, fromlist: Any = ()) -> None:
"""在插件发起导入时校验目标 src.* 模块是否允许访问。"""
if not _is_plugin_import_request(import_globals):
return
for requested_module in _iter_requested_src_modules(name, fromlist):
if not requested_module.startswith("src"):
continue
if _is_allowed_src_module(requested_module):
continue
raise ImportError(_format_block_message(requested_module))
def _detach_module_from_parent(fullname: str, module: ModuleType) -> None:
"""从父模块上移除已清理模块的属性引用。"""
parent_name, _, child_name = fullname.rpartition(".")
if not parent_name or not child_name:
return
parent_module = sys.modules.get(parent_name)
if parent_module is None:
return
if getattr(parent_module, child_name, None) is module:
with contextlib.suppress(AttributeError):
delattr(parent_module, child_name)
# 仅清理已加载的叶子模块,保留包对象给 Runner 自己的延迟导入和相对导入使用。
existing_src_modules = sorted(
(
(module_name, module)
for module_name, module in list(sys.modules.items())
if module_name == "src" or module_name.startswith("src.")
),
key=lambda item: item[0].count("."),
reverse=True,
)
for module_name, module in existing_src_modules:
if _is_allowed_src_module(module_name) or hasattr(module, "__path__"):
continue
_detach_module_from_parent(module_name, module)
sys.modules.pop(module_name, None)
# ``import`` 语句与 ``importlib.import_module`` 走的是不同入口,因此两边都需要兜底。
builtins_module = cast(Any, builtins)
original_import = getattr(builtins_module, "__maibot_runner_original_import__", builtins.__import__)
builtins_module.__maibot_runner_original_import__ = original_import
def _guarded_import(name: str, globals: Any = None, locals: Any = None, fromlist: Any = (), level: int = 0) -> Any:
if level == 0:
_assert_plugin_import_allowed(name, import_globals=globals, fromlist=fromlist)
return original_import(name, globals, locals, fromlist, level)
cast(Any, _guarded_import).__maibot_runner_plugin_import_guard__ = True
builtins.__import__ = _guarded_import
importlib_module = cast(Any, importlib)
original_import_module = getattr(importlib_module, "__maibot_runner_original_import_module__", importlib.import_module)
importlib_module.__maibot_runner_original_import_module__ = original_import_module
def _guarded_import_module(name: str, package: Optional[str] = None) -> Any:
resolved_name = importlib_util.resolve_name(name, package) if name.startswith(".") else name
_assert_plugin_import_allowed(resolved_name)
return original_import_module(name, package)
cast(Any, _guarded_import_module).__maibot_runner_plugin_import_guard__ = True
importlib.import_module = _guarded_import_module
# ─── 进程入口 ──────────────────────────────────────────────
async def _async_main() -> None:
"""异步主入口"""
host_address = os.environ.pop(ENV_IPC_ADDRESS, "")
external_plugin_ids_raw = os.environ.get(ENV_EXTERNAL_PLUGIN_IDS, "")
session_token = os.environ.pop(ENV_SESSION_TOKEN, "")
plugin_dirs_str = os.environ.get(ENV_PLUGIN_DIRS, "")
if not host_address or not session_token:
logger.error(f"缺少必要的环境变量: {ENV_IPC_ADDRESS}, {ENV_SESSION_TOKEN}")
sys.exit(1)
plugin_dirs = [d for d in plugin_dirs_str.split(os.pathsep) if d]
try:
external_plugin_ids = json.loads(external_plugin_ids_raw) if external_plugin_ids_raw else {}
except json.JSONDecodeError:
logger.warning("解析外部依赖插件版本映射失败,已回退为空映射")
external_plugin_ids = {}
if not isinstance(external_plugin_ids, dict):
logger.warning("外部依赖插件版本映射格式非法,已回退为空映射")
external_plugin_ids = {}
# sys.path 隔离: 只保留标准库、SDK 包、插件目录
_isolate_sys_path(plugin_dirs)
runner = PluginRunner(
host_address,
session_token,
plugin_dirs,
external_available_plugins={
str(plugin_id): str(plugin_version)
for plugin_id, plugin_version in external_plugin_ids.items()
},
)
# 注册信号处理
def _mark_runner_shutting_down() -> None:
"""标记 Runner 即将进入关停流程。"""
runner._shutting_down = True
_install_shutdown_signal_handlers(_mark_runner_shutting_down)
await runner.run()
def main() -> None:
"""进程入口python -m src.plugin_runtime.runner.runner_main"""
initialize_logging(verbose=False)
_disable_runner_console_logging()
asyncio.run(_async_main())
if __name__ == "__main__":
main()