tools.py

from smolagents import DuckDuckGoSearchTool, VisitWebpageTool, FinalAnswerTool
from smolagents import Tool, tool
import random
from huggingface_hub import list_models
from smolagents.memory import ActionStep
from PIL import Image
import requests
from io import BytesIO


# Initialize the DuckDuckGo search tool
web_search = DuckDuckGoSearchTool()

visit_webpage = VisitWebpageTool()

final_answer = FinalAnswerTool()


class WeatherInfoTool(Tool):
    name = "weather_info"
    description = "Fetches dummy weather information for a given location."
    inputs = {
        "location": {
            "type": "string",
            "description": "The location to get weather information for."
        }
    }
    output_type = "string"

    def forward(self, location: str):
        # Dummy weather data
        weather_conditions = [
            {"condition": "Rainy", "temp_c": 15},
            {"condition": "Clear", "temp_c": 25},
            {"condition": "Windy", "temp_c": 20}
        ]
        # Randomly select a weather condition
        data = random.choice(weather_conditions)
        return f"Weather in {location}: {data['condition']}, {data['temp_c']}°C"

class HubStatsTool(Tool):
    name = "hub_stats"
    description = "Fetches the most downloaded model from a specific author on the Hugging Face Hub."
    inputs = {
        "author": {
            "type": "string",
            "description": "The username of the model author/organization to find models from."
        }
    }
    output_type = "string"

    def forward(self, author: str):
        try:
            # List models from the specified author, sorted by downloads
            models = list(list_models(author=author, sort="downloads", direction=-1, limit=1))
            
            if models:
                model = models[0]
                return f"The most downloaded model by {author} is {model.id} with {model.downloads:,} downloads."
            else:
                return f"No models found for author {author}."
        except Exception as e:
            return f"Error fetching models for {author}: {str(e)}"


# @tool
# def search_item_ctrl_f(text: str, nth_result: int = 1) -> str:
#     """
#     Searches for text on the current page via Ctrl + F and jumps to the nth occurrence.
#     Args:
#         text: The text to search for
#         nth_result: Which occurrence to jump to (default: 1)
#     """
#     elements = driver.find_elements(By.XPATH, f"//*[contains(text(), '{text}')]")
#     if nth_result > len(elements):
#         raise Exception(f"Match n°{nth_result} not found (only {len(elements)} matches found)")
#     result = f"Found {len(elements)} matches for '{text}'."
#     elem = elements[nth_result - 1]
#     driver.execute_script("arguments[0].scrollIntoView(true);", elem)
#     result += f"Focused on element {nth_result} of {len(elements)}"
#     return result


# @tool
# def go_back() -> None:
#     """Goes back to previous page."""
#     driver.back()


# @tool
# def close_popups() -> str:
#     """
#     Closes any visible modal or pop-up on the page. Use this to dismiss pop-up windows! This does not work on cookie consent banners.
#     """
#     webdriver.ActionChains(driver).send_keys(Keys.ESCAPE).perform()


# def save_screenshot(step_log: ActionStep, agent: CodeAgent) -> None:
#     sleep(1.0)  # Let JavaScript animations happen before taking the screenshot
#     driver = helium.get_driver()
#     current_step = step_log.step_number
#     if driver is not None:
#         for step_logs in agent.logs:  # Remove previous screenshots from logs for lean processing
#             if isinstance(step_log, ActionStep) and step_log.step_number <= current_step - 2:
#                 step_logs.observations_images = None
#         png_bytes = driver.get_screenshot_as_png()
#         image = Image.open(BytesIO(png_bytes))
#         print(f"Captured a browser screenshot: {image.size} pixels")
#         step_log.observations_images = [image.copy()]  # Create a copy to ensure it persists, important!

#     # Update observations with current URL
#     url_info = f"Current url: {driver.current_url}"
#     step_log.observations = url_info if step_logs.observations is None else step_log.observations + "\n" + url_info
#     return