app.py

from smolagents import CodeAgent,DuckDuckGoSearchTool, HfApiModel,load_tool,tool
import datetime
import requests
import pytz
import yaml
from tools.final_answer import FinalAnswerTool

from Gradio_UI import GradioUI

from smolagents import CodeAgent, DuckDuckGoSearchTool, HfApiModel, load_tool, tool
import re
import requests  # Import the requests library
from bs4 import BeautifulSoup #for parsing

@tool
def find_the_song(arg1: str) -> str:
    """A tool that finds the song name, artist, Spotify URL, and lyrics based on a given verse.
    Args: arg1: a verse of a song or words that are refrencing a song.
    """
    
    try:
        search_term = f"site:genius.com OR site:azlyrics.com song lyrics \"{arg1}\"" #Focus on specific lyric sites
        search_tool = DuckDuckGoSearchTool()
        search_results = search_tool.run(search_term)


        if search_results:
            #Try extracting information from Genius or AZLyrics (prioritized)
            if "genius.com" in search_results.lower():
              try:
                  url = re.search(r'(https?://[^\s]+)', search_results).group(0) # Get the genius URL
                  response = requests.get(url)
                  soup = BeautifulSoup(response.content, 'html.parser') #html parser
                  song_title = soup.find("h1", class_="song_title").text.strip() if soup.find("h1", class_="song_title") else None #search song's name from specific h1 tag
                  artist = soup.find("a", class_="artist_name").text.strip() if soup.find("a", class_="artist_name") else None #same but for artist name
                  lyrics_div = soup.find("div", class_="lyrics") if soup.find("div", class_="lyrics") else soup.find("div", class_="Lyrics__Container") #finding lyrics tags (check them both if one is not available)
                  if lyrics_div:
                    lyrics = lyrics_div.get_text(separator="\n").strip()
                  else:
                      lyrics = None

              except Exception as e:
                  return f"Error scraping Genius: {e}. Raw results: {search_results}"
            elif "azlyrics.com" in search_results.lower():
                try:
                    url = re.search(r'(https?://[^\s]+)', search_results).group(0)  # Get the azlyrics URL
                    response = requests.get(url)
                    soup = BeautifulSoup(response.content, 'html.parser')
                    lyrics_div = soup.find("div", class_="ringtone")  # Lyrics are inside a specific div
                    if lyrics_div:
                        lyrics = lyrics_div.find_next("div").get_text().strip() # Get the lyrics that are in the next div
                        artist_element = soup.find('div', class_='lyricsh') # Find the tag of the lyrics
                        artist = artist_element.find_next('b').text.split('lyrics')[0].strip() #parse the artist's name out
                        song_title = soup.find('title').text.split(' - ')[0].strip() #same for name



                    else:
                        lyrics = None
                except Exception as e:
                  return f"Error scraping AZLyrics: {e}. Raw results: {search_results}"

            else:
                return f"Could not find Genius or AZLyrics page, so couldn't extract lyrics. Raw results: {search_results}"

            #Fallback: Simple regex extraction of song and artist names
            if song_title is None or artist is None:
                title_match = re.search(r"Title:\s*(.*)", search_results, re.IGNORECASE)
                artist_match = re.search(r"Artist:\s*(.*)", search_results, re.IGNORECASE)

                song_title = title_match.group(1).strip() if title_match else None
                artist = artist_match.group(1).strip() if artist_match else None

            #Hardcoded URL example
            if song_title == 'TV' and artist == 'Billie Eilish':
               spotify_url = "https://open.spotify.com/track/3GYlZ7tbxLOxe6ewMNVTkw?autoplay=true"
            else: spotify_url = None

            # Construct the final answer
            if song_title and artist and lyrics and spotify_url:
                return f"song name: {song_title} , by {artist} . the spotify url is : {spotify_url} \nthe lyrics are : {lyrics}" # return the song + lyrics


            #Handle partial results - even if can't find the URL or Lyrics:
            if song_title and artist:
                spotify_message = f"\n(Could not reliably extract Spotify URL)" if spotify_url is None else ""
                lyrics_message =  f"\n(Could not reliably extract Lyrics)" if lyrics is None else ""
                return f"Found song: {song_title} by {artist} . {spotify_message}{lyrics_message}. Raw results: {search_results}"
            return f"Could not extract full information, check the search results:\n {search_results}" #in case it fails return the search result


        else:
            return "Could not find any songs matching the verse."

    except Exception as e:
        return f"An error occurred: {e}"

@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:
        # Create timezone object
        tz = pytz.timezone(timezone)
        # Get current time in that 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)}"


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, find_the_song,get_current_time_in_timezone], ## 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()