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import datetime
import json
import uuid
from dataclasses import dataclass
from pathlib import Path
from typing import Dict, List
import pytz
from smolagents import tool
@dataclass
class Task:
id: str = None
completed: bool = False
description: str = ""
last_updated: str = ""
def __post_init__(self):
if self.id is None:
self.id = str(uuid.uuid4())
def to_dict(self) -> Dict:
return {
"id": self.id,
"completed": self.completed,
"description": self.description,
"last_updated": self.last_updated,
}
class TodoManager:
def __init__(self, filepath: str = "todo.jsonl"):
self.filepath = Path(filepath)
if not self.filepath.exists():
self.filepath.write_text("")
def _read_tasks(self) -> List[Task]:
if not self.filepath.exists():
return []
try:
with self.filepath.open("r", encoding="utf-8") as file:
data = [json.loads(line) for line in file if line.strip()]
return [
Task(
description=item.get("description", item.get("task", "")),
completed=item.get("completed", item.get("status") == "✅"),
last_updated=item["last_updated"],
id=item.get("id"),
)
for item in data
]
except json.JSONDecodeError:
return []
def _save_tasks(self, tasks: List[Task]):
with self.filepath.open("w") as file:
for task in tasks:
file.write(json.dumps(task.to_dict()) + "\n")
@tool
def get_current_time_in_timezone(timezone: str) -> str:
"""A tool that fetches the current local time in a specified timezone.
Args:
timezone: A string representing a valid timezone (e.g., 'America/New_York').
"""
try:
tz = pytz.timezone(timezone)
local_time = datetime.datetime.now(tz).strftime("%Y-%m-%d %H:%M:%S")
return f"The current local time in {timezone} is: {local_time}"
except Exception as e:
return f"Error fetching time for timezone '{timezone}': {str(e)}"
@tool
def get_todays_tasks() -> str:
"""List all tasks with their status and details.
Args:
None
Returns:
A formatted string containing all tasks with their status and IDs.
"""
manager = TodoManager("./todo.jsonl")
tasks = manager._read_tasks()
if not tasks:
return "No tasks found"
pending = [t for t in tasks if not t.completed]
completed = [t for t in tasks if t.completed] # Uncomment this to show all tasks
output = [f"📅 Tasks Report for {datetime.date.today()}"]
output.append("\n🔴 Pending Tasks:")
output.extend(f"[{t.id[:8]}] {t.description}" for t in pending)
output.append("\n✅ Completed Tasks:") # Show both pending and completed tasks
output.extend(f"[{t.id[:8]}] {t.description}" for t in completed)
output.append(f"\nTotal: {len(pending)} pending, {len(completed)} completed")
return "\n".join(output)
@tool
def update_task_status(task_id: str) -> str:
"""Toggle a task's completion status between complete and pending.
Args:
task_id: First 8 characters of the task's UUID (e.g., '65118069' from '65118069-b2a4-4ea3-b8e9-d7921381cbfc').
You can find task IDs in square brackets when listing tasks.
Returns:
Success message with task details if found and updated.
Error message if task not found or invalid input.
Examples:
> update_task_status('65118069')
"✅ Task [65118069] marked as complete: Repair my computer"
> update_task_status('65118069')
"✅ Task [65118069] marked as pending: Repair my computer"
"""
# Validate task_id format
if not task_id or not isinstance(task_id, str) or len(task_id) < 1:
return "❌ Please provide a valid task ID"
try:
manager = TodoManager("./todo.jsonl")
tasks = manager._read_tasks()
if not tasks:
return "❌ No tasks found in the todo list"
# Find and update the task
for task in tasks:
if task.id.startswith(task_id):
task.completed = not task.completed
task.last_updated = datetime.date.today().strftime("%Y-%m-%d")
manager._save_tasks(tasks)
return f"✅ Task [{task_id}] marked as {'complete' if task.completed else 'pending'}: {task.description}"
return f"❌ No task found with ID '{task_id}'"
except (json.JSONDecodeError, IOError) as e:
return f"❌ Error accessing todo list: {str(e)}"
except Exception as e:
return f"❌ Unexpected error: {str(e)}"
@tool
def add_task(description: str) -> str:
"""Add a new task to the todo list.
Args:
description: The text description of the task to add.
Returns:
A confirmation message indicating the task was added.
"""
manager = TodoManager("./todo.jsonl")
tasks = manager._read_tasks()
new_task = Task(
description=description,
completed=False,
last_updated=datetime.date.today().strftime("%Y-%m-%d"),
)
tasks.append(new_task)
manager._save_tasks(tasks)
return f"✅ Added new task: {description}"
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