tools/image_tool.py

import os
import tempfile
import requests
from phi.tools import Toolkit
from phi.utils.log import logger

class ImageGenerationTool(Toolkit):
    def __init__(self, api_key: str, style_guide: str = "photographic, high detail"):
        super().__init__(name="image_generation_tool")
        self.api_key = api_key
        self.style_guide = style_guide

        self.api_url = "https://clipdrop-api.co/text-to-image/v1"

        logger.info(f"Clipdrop Stable Diffusion ImageGenerationTool initialized with endpoint: {self.api_url}")
        self.register(self.generate_image)

    def generate_image(self, prompt: str) -> str:
        """
        Generates an image using Stable Diffusion via the Clipdrop API,
        strictly following the official documentation.
        """
        if not self.api_key:
            return "Error: Image Generation Tool not initialized. Check Clipdrop API Key."

        # Enhance the prompt with our style guide for better results
        full_prompt = f"{prompt}, {self.style_guide}"
        logger.info(f"Generating image with Clipdrop prompt: '{full_prompt}'")

        payload = {
            'prompt': (None, full_prompt, 'text/plain')
        }

        headers = {
            'x-api-key': self.api_key
        }

        try:
            # Send the POST request using `files=` as specified in the docs.
            response = requests.post(self.api_url, files=payload, headers=headers)
            response.raise_for_status() # This will raise an HTTPError for non-2xx responses
            image_bytes = response.content
            
            # --- FIX: Explicitly define the save directory as /tmp ---
            save_dir = "/tmp"
            # --- END OF FIX ---

            filename = f"clipdrop_img_{hash(prompt)}.png"
            save_path = os.path.join(save_dir, filename)

            
            with open(save_path, "wb") as f:
                f.write(image_bytes)
            
            logger.info(f"Image successfully saved to: {save_path}")
            return save_path

        except requests.exceptions.HTTPError as e:
            # Provide more detailed error information
            error_message = f"Clipdrop API error - Status Code: {e.response.status_code}, Response: {e.response.text}"
            logger.error(error_message)
            return f"Error: {error_message}"
        except Exception as e:
            logger.error(f"Clipdrop image generation failed with an exception: {e}")
            return f"Error: Image generation failed. Details: {e}"