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chatgpt-on-wechat/agent/tools/scheduler/scheduler_tool.py
2026-02-09 11:37:11 +08:00

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"""
Scheduler tool for creating and managing scheduled tasks
"""
import uuid
from datetime import datetime
from typing import Any, Dict, Optional
from croniter import croniter
from agent.tools.base_tool import BaseTool, ToolResult
from bridge.context import Context, ContextType
from bridge.reply import Reply, ReplyType
from common.log import logger
class SchedulerTool(BaseTool):
"""
Tool for managing scheduled tasks (reminders, notifications, etc.)
"""
name: str = "scheduler"
description: str = (
"创建、查询和管理定时任务(提醒、周期性任务等)。\n\n"
"⚠️ 重要:仅当需要「定时/提醒/每天/每周/X分钟后/X点」等延迟或周期执行时才使用此工具。"
"使用方法:\n"
"- 创建action='create', name='任务名', message/ai_task='内容', schedule_type='once/interval/cron', schedule_value='...'\n"
"- 查询action='list' / action='get', task_id='任务ID'\n"
"- 管理action='delete/enable/disable', task_id='任务ID'\n\n"
"调度类型:\n"
"- once: 一次性任务,支持相对时间(+5s,+10m,+1h,+1d)或ISO时间\n"
"- interval: 固定间隔(秒)如3600表示每小时\n"
"- cron: cron表达式'0 8 * * *'表示每天8点\n\n"
"注意:'X秒后'用once+相对时间,'每X秒'用interval"
)
params: dict = {
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["create", "list", "get", "delete", "enable", "disable"],
"description": "操作类型: create(创建), list(列表), get(查询), delete(删除), enable(启用), disable(禁用)"
},
"task_id": {
"type": "string",
"description": "任务ID (用于 get/delete/enable/disable 操作)"
},
"name": {
"type": "string",
"description": "任务名称 (用于 create 操作)"
},
"message": {
"type": "string",
"description": "固定消息内容 (与ai_task二选一)"
},
"ai_task": {
"type": "string",
"description": "AI任务描述 (与message二选一)用于定时让AI执行的任务"
},
"schedule_type": {
"type": "string",
"enum": ["cron", "interval", "once"],
"description": "调度类型 (用于 create 操作): cron(cron表达式), interval(固定间隔秒数), once(一次性)"
},
"schedule_value": {
"type": "string",
"description": "调度值: cron表达式/间隔秒数/时间(+5s,+10m,+1h或ISO格式)"
}
},
"required": ["action"]
}
def __init__(self, config: dict = None):
super().__init__()
self.config = config or {}
# Will be set by agent bridge
self.task_store = None
self.current_context = None
def execute(self, params: dict) -> ToolResult:
"""
Execute scheduler operations
Args:
params: Dictionary containing:
- action: Operation type (create/list/get/delete/enable/disable)
- Other parameters depending on action
Returns:
ToolResult object
"""
# Extract parameters
action = params.get("action")
kwargs = params
if not self.task_store:
return ToolResult.fail("错误: 定时任务系统未初始化")
try:
if action == "create":
result = self._create_task(**kwargs)
return ToolResult.success(result)
elif action == "list":
result = self._list_tasks(**kwargs)
return ToolResult.success(result)
elif action == "get":
result = self._get_task(**kwargs)
return ToolResult.success(result)
elif action == "delete":
result = self._delete_task(**kwargs)
return ToolResult.success(result)
elif action == "enable":
result = self._enable_task(**kwargs)
return ToolResult.success(result)
elif action == "disable":
result = self._disable_task(**kwargs)
return ToolResult.success(result)
else:
return ToolResult.fail(f"未知操作: {action}")
except Exception as e:
logger.error(f"[SchedulerTool] Error: {e}")
return ToolResult.fail(f"操作失败: {str(e)}")
def _create_task(self, **kwargs) -> str:
"""Create a new scheduled task"""
name = kwargs.get("name")
message = kwargs.get("message")
ai_task = kwargs.get("ai_task")
schedule_type = kwargs.get("schedule_type")
schedule_value = kwargs.get("schedule_value")
# Validate required fields
if not name:
return "错误: 缺少任务名称 (name)"
# Check that exactly one of message/ai_task is provided
if not message and not ai_task:
return "错误: 必须提供 message固定消息或 ai_taskAI任务之一"
if message and ai_task:
return "错误: message 和 ai_task 只能提供其中一个"
if not schedule_type:
return "错误: 缺少调度类型 (schedule_type)"
if not schedule_value:
return "错误: 缺少调度值 (schedule_value)"
# Validate schedule
schedule = self._parse_schedule(schedule_type, schedule_value)
if not schedule:
return f"错误: 无效的调度配置 - type: {schedule_type}, value: {schedule_value}"
# Get context info for receiver
if not self.current_context:
return "错误: 无法获取当前对话上下文"
context = self.current_context
# Create task
task_id = str(uuid.uuid4())[:8]
# Build action based on message or ai_task
if message:
action = {
"type": "send_message",
"content": message,
"receiver": context.get("receiver"),
"receiver_name": self._get_receiver_name(context),
"is_group": context.get("isgroup", False),
"channel_type": self.config.get("channel_type", "unknown")
}
else: # ai_task
action = {
"type": "agent_task",
"task_description": ai_task,
"receiver": context.get("receiver"),
"receiver_name": self._get_receiver_name(context),
"is_group": context.get("isgroup", False),
"channel_type": self.config.get("channel_type", "unknown")
}
# 针对钉钉单聊,额外存储 sender_staff_id
msg = context.kwargs.get("msg")
if msg and hasattr(msg, 'sender_staff_id') and not context.get("isgroup", False):
action["dingtalk_sender_staff_id"] = msg.sender_staff_id
task_data = {
"id": task_id,
"name": name,
"enabled": True,
"created_at": datetime.now().isoformat(),
"updated_at": datetime.now().isoformat(),
"schedule": schedule,
"action": action
}
# Calculate initial next_run_at
next_run = self._calculate_next_run(task_data)
if next_run:
task_data["next_run_at"] = next_run.isoformat()
# Save task
self.task_store.add_task(task_data)
# Format response
schedule_desc = self._format_schedule_description(schedule)
receiver_desc = task_data["action"]["receiver_name"] or task_data["action"]["receiver"]
if message:
content_desc = f"💬 固定消息: {message}"
else:
content_desc = f"🤖 AI任务: {ai_task}"
return (
f"✅ 定时任务创建成功\n\n"
f"📋 任务ID: {task_id}\n"
f"📝 名称: {name}\n"
f"⏰ 调度: {schedule_desc}\n"
f"👤 接收者: {receiver_desc}\n"
f"{content_desc}\n"
f"🕐 下次执行: {next_run.strftime('%Y-%m-%d %H:%M:%S') if next_run else '未知'}"
)
def _list_tasks(self, **kwargs) -> str:
"""List all tasks"""
tasks = self.task_store.list_tasks()
if not tasks:
return "📋 暂无定时任务"
lines = [f"📋 定时任务列表 (共 {len(tasks)} 个)\n"]
for task in tasks:
status = "" if task.get("enabled", True) else ""
schedule_desc = self._format_schedule_description(task.get("schedule", {}))
next_run = task.get("next_run_at")
next_run_str = datetime.fromisoformat(next_run).strftime('%m-%d %H:%M') if next_run else "未知"
lines.append(
f"{status} [{task['id']}] {task['name']}\n"
f"{schedule_desc} | 下次: {next_run_str}"
)
return "\n".join(lines)
def _get_task(self, **kwargs) -> str:
"""Get task details"""
task_id = kwargs.get("task_id")
if not task_id:
return "错误: 缺少任务ID (task_id)"
task = self.task_store.get_task(task_id)
if not task:
return f"错误: 任务 '{task_id}' 不存在"
status = "启用" if task.get("enabled", True) else "禁用"
schedule_desc = self._format_schedule_description(task.get("schedule", {}))
action = task.get("action", {})
next_run = task.get("next_run_at")
next_run_str = datetime.fromisoformat(next_run).strftime('%Y-%m-%d %H:%M:%S') if next_run else "未知"
last_run = task.get("last_run_at")
last_run_str = datetime.fromisoformat(last_run).strftime('%Y-%m-%d %H:%M:%S') if last_run else "从未执行"
return (
f"📋 任务详情\n\n"
f"ID: {task['id']}\n"
f"名称: {task['name']}\n"
f"状态: {status}\n"
f"调度: {schedule_desc}\n"
f"接收者: {action.get('receiver_name', action.get('receiver'))}\n"
f"消息: {action.get('content')}\n"
f"下次执行: {next_run_str}\n"
f"上次执行: {last_run_str}\n"
f"创建时间: {datetime.fromisoformat(task['created_at']).strftime('%Y-%m-%d %H:%M:%S')}"
)
def _delete_task(self, **kwargs) -> str:
"""Delete a task"""
task_id = kwargs.get("task_id")
if not task_id:
return "错误: 缺少任务ID (task_id)"
task = self.task_store.get_task(task_id)
if not task:
return f"错误: 任务 '{task_id}' 不存在"
self.task_store.delete_task(task_id)
return f"✅ 任务 '{task['name']}' ({task_id}) 已删除"
def _enable_task(self, **kwargs) -> str:
"""Enable a task"""
task_id = kwargs.get("task_id")
if not task_id:
return "错误: 缺少任务ID (task_id)"
task = self.task_store.get_task(task_id)
if not task:
return f"错误: 任务 '{task_id}' 不存在"
self.task_store.enable_task(task_id, True)
return f"✅ 任务 '{task['name']}' ({task_id}) 已启用"
def _disable_task(self, **kwargs) -> str:
"""Disable a task"""
task_id = kwargs.get("task_id")
if not task_id:
return "错误: 缺少任务ID (task_id)"
task = self.task_store.get_task(task_id)
if not task:
return f"错误: 任务 '{task_id}' 不存在"
self.task_store.enable_task(task_id, False)
return f"✅ 任务 '{task['name']}' ({task_id}) 已禁用"
def _parse_schedule(self, schedule_type: str, schedule_value: str) -> Optional[dict]:
"""Parse and validate schedule configuration"""
try:
if schedule_type == "cron":
# Validate cron expression
croniter(schedule_value)
return {"type": "cron", "expression": schedule_value}
elif schedule_type == "interval":
# Parse interval in seconds
seconds = int(schedule_value)
if seconds <= 0:
return None
return {"type": "interval", "seconds": seconds}
elif schedule_type == "once":
# Parse datetime - support both relative and absolute time
# Check if it's relative time (e.g., "+5s", "+10m", "+1h", "+1d")
if schedule_value.startswith("+"):
import re
match = re.match(r'\+(\d+)([smhd])', schedule_value)
if match:
amount = int(match.group(1))
unit = match.group(2)
from datetime import timedelta
now = datetime.now()
if unit == 's': # seconds
target_time = now + timedelta(seconds=amount)
elif unit == 'm': # minutes
target_time = now + timedelta(minutes=amount)
elif unit == 'h': # hours
target_time = now + timedelta(hours=amount)
elif unit == 'd': # days
target_time = now + timedelta(days=amount)
else:
return None
return {"type": "once", "run_at": target_time.isoformat()}
else:
logger.error(f"[SchedulerTool] Invalid relative time format: {schedule_value}")
return None
else:
# Absolute time in ISO format
datetime.fromisoformat(schedule_value)
return {"type": "once", "run_at": schedule_value}
except Exception as e:
logger.error(f"[SchedulerTool] Invalid schedule: {e}")
return None
return None
def _calculate_next_run(self, task: dict) -> Optional[datetime]:
"""Calculate next run time for a task"""
schedule = task.get("schedule", {})
schedule_type = schedule.get("type")
now = datetime.now()
if schedule_type == "cron":
expression = schedule.get("expression")
cron = croniter(expression, now)
return cron.get_next(datetime)
elif schedule_type == "interval":
seconds = schedule.get("seconds", 0)
from datetime import timedelta
return now + timedelta(seconds=seconds)
elif schedule_type == "once":
run_at_str = schedule.get("run_at")
return datetime.fromisoformat(run_at_str)
return None
def _format_schedule_description(self, schedule: dict) -> str:
"""Format schedule as human-readable description"""
schedule_type = schedule.get("type")
if schedule_type == "cron":
expr = schedule.get("expression", "")
# Try to provide friendly description
if expr == "0 9 * * *":
return "每天 9:00"
elif expr == "0 */1 * * *":
return "每小时"
elif expr == "*/30 * * * *":
return "每30分钟"
else:
return f"Cron: {expr}"
elif schedule_type == "interval":
seconds = schedule.get("seconds", 0)
if seconds >= 86400:
days = seconds // 86400
return f"{days}"
elif seconds >= 3600:
hours = seconds // 3600
return f"{hours} 小时"
elif seconds >= 60:
minutes = seconds // 60
return f"{minutes} 分钟"
else:
return f"{seconds}"
elif schedule_type == "once":
run_at = schedule.get("run_at", "")
try:
dt = datetime.fromisoformat(run_at)
return f"一次性 ({dt.strftime('%Y-%m-%d %H:%M')})"
except:
return "一次性"
return "未知"
def _get_receiver_name(self, context: Context) -> str:
"""Get receiver name from context"""
try:
msg = context.get("msg")
if msg:
if context.get("isgroup"):
return msg.other_user_nickname or "群聊"
else:
return msg.from_user_nickname or "用户"
except:
pass
return "未知"