app.py

import os
import json
import re
from huggingface_hub import InferenceClient
import gradio as gr
from pydantic import BaseModel, Field
from typing import Optional, Literal

class PromptInput(BaseModel):
    text: str = Field(..., description="The initial prompt text")
    meta_prompt_choice: Literal["star","done","physics","morphosis", "verse", "phor","bolism"] = Field(..., description="Choice of meta prompt strategy")

class RefinementOutput(BaseModel):
    query_analysis: Optional[str] = None
    initial_prompt_evaluation: Optional[str] = None
    refined_prompt: Optional[str] = None
    explanation_of_refinements: Optional[str] = None
    raw_content: Optional[str] = None

class PromptRefiner:
    def __init__(self, api_token: str):
        self.client = InferenceClient(token=api_token)

    def refine_prompt(self, prompt_input: PromptInput) -> RefinementOutput:
        if prompt_input.meta_prompt_choice == "morphosis":
            selected_meta_prompt = original_meta_prompt
        elif prompt_input.meta_prompt_choice == "verse":
            selected_meta_prompt = new_meta_prompt
        elif prompt_input.meta_prompt_choice == "physics":
            selected_meta_prompt = metaprompt1
        elif prompt_input.meta_prompt_choice == "bolism":
            selected_meta_prompt = loic_metaprompt
        elif prompt_input.meta_prompt_choice == "done":
            selected_meta_prompt = metadone
        elif prompt_input.meta_prompt_choice == "star":
            selected_meta_prompt = echo_prompt_refiner
        else:
            selected_meta_prompt = advanced_meta_prompt
    
        messages = [
            {"role": "system", "content": 'You are an expert at refining and extending prompts. Given a basic prompt, provide a more detailed.'},
            {"role": "user", "content": selected_meta_prompt.replace("[Insert initial prompt here]", prompt_input.text)}
        ]
        response = self.client.chat_completion(
            model=prompt_refiner_model,
            messages=messages,
            max_tokens=2000,
            temperature=0.8
        )
        response_content = response.choices[0].message.content.strip()
        try:
            json_match = re.search(r'<json>\s*(.*?)\s*</json>', response_content, re.DOTALL)
            if json_match:
                json_str = json_match.group(1)
                json_str = re.sub(r'\n\s*', ' ', json_str)
                json_str = json_str.replace('"', '\\"')
                json_output = json.loads(f'"{json_str}"')
                if isinstance(json_output, str):
                    json_output = json.loads(json_output)
                for key, value in json_output.items():
                    if isinstance(value, str):
                        json_output[key] = value.replace('\\"', '"')
                return RefinementOutput(**json_output, raw_content=response_content)
            else:
                raise ValueError("No JSON found in the response")
        except (json.JSONDecodeError, ValueError) as e:
            print(f"Error parsing JSON: {e}")
            print(f"Raw content: {response_content}")
            output = {}
            for key in ["initial_prompt_evaluation", "refined_prompt", "explanation_of_refinements"]:
                pattern = rf'"{key}":\s*"(.*?)"(?:,|\}})'
                match = re.search(pattern, response_content, re.DOTALL)
                if match:
                    output[key] = match.group(1).replace('\\n', '\n').replace('\\"', '"')
                else:
                    output[key] = ""
            return RefinementOutput(**output, raw_content=response_content)
                
    def apply_prompt(self, prompt: str, model: str) -> str:
        try:
            messages = [
                {"role": "system", "content": "You are a helpful assistant. Answer in stylized version with latex format or markdown if relevant. Separate your answer into logical sections using level 2 headers (##) for sections and bolding (**) for subsections.Incorporate a variety of lists, headers, and text to make the answer visually appealing"},
                {"role": "user", "content": prompt}
            ]

            response = self.client.chat_completion(
                model=model,
                messages=messages,
                max_tokens=2000,
                temperature=0.8
            )

            output = response.choices[0].message.content.strip()
            output = output.replace('\n\n', '\n').strip()
            return output
        except Exception as e:
            return f"Error: {str(e)}"

class GradioInterface:
    def __init__(self, prompt_refiner: PromptRefiner):
        self.prompt_refiner = prompt_refiner

        with gr.Blocks() as self.interface:
            gr.Markdown("# PROMPT++")
            gr.Markdown("### Automating Prompt Engineering by Refining your Prompts")
            gr.Markdown("Learn how to generate an improved version of your prompts. Enter a main idea for a prompt, choose a meta prompt, and the model will attempt to generate an improved version.")

            with gr.Row():
                prompt_text = gr.Textbox(label="Type the prompt here")
            with gr.Row():
                meta_prompt_choice = gr.Radio(["star","done","physics","morphosis", "verse", "phor","bolism"], label="Choose Meta Prompt", value="morphosis")
                refine_button = gr.Button("Refine Prompt")
            with gr.Row():
                gr.Markdown("### Initial prompt analysis")
            with gr.Column():
                analysis_evaluation = gr.Markdown(label="Analysis and Evaluation")
                gr.Markdown("### Refined Prompt")
                refined_prompt = gr.Textbox(label="Refined Prompt")
                gr.Markdown("### Explanation of Refinements")
                explanation_of_refinements = gr.Markdown(label="Explanation of Refinements")
            
            with gr.Accordion("Full Response JSON", open=False,visible=False):
                full_response_json = gr.JSON()


            refine_button.click(
                fn=self.refine_prompt,
                inputs=[prompt_text, meta_prompt_choice],
                outputs=[analysis_evaluation, refined_prompt, explanation_of_refinements, full_response_json]
            )
            with gr.Row():
                apply_model = gr.Dropdown(
                    [
                        "Qwen/Qwen2.5-72B-Instruct",
                        "meta-llama/Meta-Llama-3-70B-Instruct",
                        "meta-llama/Llama-3.1-8B-Instruct",
                        "NousResearch/Hermes-3-Llama-3.1-8B",
                        "HuggingFaceH4/zephyr-7b-alpha",
                        "meta-llama/Llama-2-7b-chat-hf",
                        "microsoft/Phi-3.5-mini-instruct"
                    ],
                    value="meta-llama/Meta-Llama-3-70B-Instruct",
                    label="Choose the Model to apply to the prompts (the one you will used)"
                )
                apply_button = gr.Button("Apply Prompts")
                
            with gr.Tab("Original Prompt Output"):
                   # gr.Markdown("### Original Prompt Output")
                    original_output = gr.Markdown(label="Original Prompt Output")
            with gr.Tab("Refined Prompt Output"):
                    #gr.Markdown("### Refined Prompt Output")
                    refined_output = gr.Markdown(label="Refined Prompt Output")

            apply_button.click(
                fn=self.apply_prompts,
                inputs=[prompt_text, refined_prompt, apply_model],
                outputs=[original_output, refined_output]
            )
            with gr.Accordion("Examples", open=True):
                gr.Examples(
                    examples=[
                        ["Write a story on the end of prompt engineering replaced by an Ai specialized in refining prompts.", "star"],
                        ["Tell me about that guy who invented the light bulb", "physics"],
                        ["Explain the universe.", "star"],
                        ["What's the population of New York City and how tall is the Empire State Building and who was the first mayor?", "morphosis"],
                        ["List American presidents.", "verse"],                        
                        ["Explain why the experiment failed.", "morphosis"],
                        ["Is nuclear energy good?", "verse"],
                        ["How does a computer work?", "phor"],
                        ["How to make money fast?", "done"],
                        ["how can you  prove IT0's lemma in stochastic calculus ?", "star"],                    
                    ],
                    inputs=[prompt_text, meta_prompt_choice]
                )

    def refine_prompt(self, prompt: str, meta_prompt_choice: str) -> tuple:
        input_data = PromptInput(text=prompt, meta_prompt_choice=meta_prompt_choice)
        result = self.prompt_refiner.refine_prompt(input_data)
        analysis_evaluation = f"\n\n{result.initial_prompt_evaluation}"
        return (
            analysis_evaluation,
            result.refined_prompt,
            result.explanation_of_refinements,
            result.dict()
        )

    def apply_prompts(self, original_prompt: str, refined_prompt: str, model: str):
        original_output = self.prompt_refiner.apply_prompt(original_prompt, model)
        refined_output = self.prompt_refiner.apply_prompt(refined_prompt, model)
        return original_output, refined_output

    def launch(self, share=False):
        self.interface.launch(share=share)

# Main code to run the application
if __name__ == '__main__':
    api_token = os.getenv('HF_API_TOKEN')
    if not api_token:
        raise ValueError("HF_API_TOKEN not found in environment variables")

    metadone = os.getenv('metadone')
    prompt_refiner_model = os.getenv('prompt_refiner_model')
    echo_prompt_refiner = os.getenv('echo_prompt_refiner')
    metaprompt1 = os.getenv('metaprompt1')   
    loic_metaprompt = os.getenv('loic_metaprompt')    
    openai_metaprompt = os.getenv('openai_metaprompt')
    original_meta_prompt = os.getenv('original_meta_prompt')    
    new_meta_prompt = os.getenv('new_meta_prompt')   
    advanced_meta_prompt = os.getenv('advanced_meta_prompt')

    prompt_refiner = PromptRefiner(api_token)
    gradio_interface = GradioInterface(prompt_refiner)
    gradio_interface.launch(share=True)