from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool
import smtplib
import os
import base64
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.mime.image import MIMEImage
from Gradio_UI import GradioUI
# Aux function to help tools with timezone
def _get_now_in_timezone(timezone: str) -> datetime.datetime:
"""Helper: return actual datetime in timezone."""
tz = pytz.timezone(timezone)
return datetime.datetime.now(tz)
# Tool 1
@tool
def get_current_time_in_timezone(timezone: str) -> str:
"""Fetches the current local time in a specified timezone.
Args:
timezone: A valid timezone string (e.g., 'Europe/Madrid', 'America/New_York').
"""
try:
now = _get_now_in_timezone(timezone)
return f"The current local time in {timezone} is: {now.strftime('%Y-%m-%d %H:%M:%S')}"
except Exception as e:
return f"Error fetching time for timezone '{timezone}': {str(e)}"
# tool 2
@tool
def get_day_of_year(timezone: str) -> str:
"""Returns what day of the year it currently is in the given timezone,
and whether it is New Year's Day (January 1st at midnight).
Args:
timezone: A valid timezone string (e.g., 'Europe/Madrid', 'America/New_York').
"""
try:
now = _get_now_in_timezone(timezone) # 👈 reutiliza la lógica
day_of_year = now.timetuple().tm_yday
is_leap = now.year % 4 == 0 and (now.year % 100 != 0 or now.year % 400 == 0)
total_days = 366 if is_leap else 365
is_new_year_midnight = (now.month == 1 and now.day == 1 and now.hour == 0)
return (
f"In {timezone}: day {day_of_year} of {total_days} "
f"({now.strftime('%B %d, %Y %H:%M:%S')}). "
f"Is New Year midnight: {is_new_year_midnight}."
)
except Exception as e:
return f"Error: {str(e)}"
# tool 3
@tool
def send_new_year_greeting(
recipient_name: str,
recipient_email: str,
personalized_message: str,
timezone: str,
image_base64: str = "",
) -> str:
"""Sends a personalized New Year's greeting email with an optional AI-generated image.
ONLY sends if it is currently January 1st between 00:00 and 00:59 in the given timezone.
The agent should first use get_day_of_year to verify the date before calling this.
Args:
recipient_name: Full name of the recipient.
recipient_email: Email address of the recipient.
personalized_message: Warm, personalized message crafted by the agent for this person.
timezone: Timezone to check for New Year's midnight (e.g., 'Europe/Madrid').
image_base64: Optional base64-encoded image generated by image_generation_tool to attach.
"""
try:
# helper reused to get timezone
now = _get_now_in_timezone(timezone)
is_new_year_midnight = (now.month == 1 and now.day == 1 and now.hour == 0)
if not is_new_year_midnight:
return (
f"NOT sent. In {timezone} it is {now.strftime('%B %d, %Y %H:%M')} — "
f"greetings only go out on January 1st at midnight. "
f"Use get_day_of_year to check first!"
)
# email envs vars
sender_email = os.environ.get("GREETING_SENDER_EMAIL")
sender_password = os.environ.get("GREETING_SENDER_PASS")
if not sender_email or not sender_password:
return "Missing env vars: GREETING_SENDER_EMAIL and GREETING_SENDER_PASS"
msg = MIMEMultipart("related")
msg["Subject"] = f"Happy New Year {now.year}, {recipient_name}!"
msg["From"] = sender_email
msg["To"] = recipient_email
html_body = f"""
🎉 Happy New Year {now.year}!
{"
" if image_base64 else ""}
Dear {recipient_name},
{personalized_message}
Sent with love <3 · {timezone}
"""
msg.attach(MIMEText(html_body, "html"))
# image if agent generate it
if image_base64:
img_data = base64.b64decode(image_base64)
img = MIMEImage(img_data)
img.add_header("Content-ID", "")
msg.attach(img)
with smtplib.SMTP_SSL("smtp.gmail.com", 465) as server:
server.login(sender_email, sender_password)
server.sendmail(sender_email, recipient_email, msg.as_string())
return (
f"Greeting sent to {recipient_name} ({recipient_email}) "
f"at {now.strftime('%H:%M:%S')} in {timezone}!"
f"{' Includes AI-generated image ' if image_base64 else ''}"
)
except Exception as e:
return f"Failed: {str(e)}"
final_answer = FinalAnswerTool()
# If the agent does not answer, the model is overloaded, please use another model or the following Hugging Face Endpoint that also contains qwen2.5 coder:
# model_id='https://pflgm2locj2t89co.us-east-1.aws.endpoints.huggingface.cloud'
model = HfApiModel(
max_tokens=2096,
temperature=0.5,
model_id='Qwen/Qwen2.5-Coder-32B-Instruct',# it is possible that this model may be overloaded
custom_role_conversions=None,
)
# Import tool from Hub
image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_code=True)
with open("prompts.yaml", 'r') as stream:
prompt_templates = yaml.safe_load(stream)
agent = CodeAgent(
model=model,
tools=[final_answer, get_current_time_in_timezone, get_day_of_year, send_new_year_greeting, image_generation_tool], ## add your tools here (don't remove final answer)
max_steps=6,
verbosity_level=1,
grammar=None,
planning_interval=None,
name=None,
description=None,
prompt_templates=prompt_templates
)
GradioUI(agent).launch()