374 lines
15 KiB
Python
374 lines
15 KiB
Python
import subprocess
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import sys
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import json
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import os
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import re
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import random
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import base64
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import numpy as np
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from io import BytesIO
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from PIL import Image
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from jax import config
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import openai
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from googlesearch import search
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import requests
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from bs4 import BeautifulSoup
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api_key = os.getenv("OPENAI_API_KEY")
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# Get the node list
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script_dir = os.path.dirname(os.path.abspath(__file__))
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json_file_path = os.path.join(script_dir, "../ComfyUI-Manager/custom-node-list.json")
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json_file_path = os.path.normpath(json_file_path)
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# Get the directory of the current script (Polymath.py)
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script_directory = os.path.dirname(os.path.abspath(__file__))
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custom_instructions_directory = os.path.join(script_directory, 'custom_instructions')
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# Construct the full path to config.json
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config_path = os.path.join(script_directory, 'config.json')
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def install_and_import(package):
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try:
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__import__(package)
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except ImportError:
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print(f"Package {package} not found. Installing...")
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subprocess.check_call([sys.executable, "-m", "pip", "install", package])
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finally:
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globals()[package] = __import__(package)
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install_and_import("googlesearch")
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install_and_import("requests")
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install_and_import("bs4")
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script_directory = os.path.dirname(os.path.abspath(__file__))
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config_path = os.path.join(script_directory, 'config.json')
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ollama_url = "http://127.0.0.1:11434/api/tags"
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def load_models():
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# Initialize dictionaries
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config_models = {}
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ollama_models = {}
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# Load models from config.json
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try:
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with open(config_path, 'r') as f:
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config_data = json.load(f)
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config_models = config_data.get('models', {})
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base_url = config_data.get('baseurl')
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except FileNotFoundError:
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print(f"Error: config.json not found at {config_path}")
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except json.JSONDecodeError:
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print(f"Error: Could not decode JSON from {config_path}")
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# Fetch models from Ollama API
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try:
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response = requests.get(ollama_url)
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response.raise_for_status()
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models = response.json().get('models', [])
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ollama_models = {model['name']: model['name'] for model in models}
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except requests.exceptions.RequestException as e:
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print(f"Error fetching Ollama models: {e}")
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# Merge dictionaries
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merged_models = {**config_models, **ollama_models}
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# Create a list of model names
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models_list = list(merged_models.keys())
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# Determine the default model
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default_model = models_list[0] if models_list else None
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print("\033[32mAvailable models for Polymath: \033[0m", models_list)
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return base_url, merged_models, models_list, default_model
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# Load models and set default
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base_url, models_dict, models_list, default_model = load_models()
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def load_custom_instructions():
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instructions = ["None"]
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if not os.path.exists(custom_instructions_directory):
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os.makedirs(custom_instructions_directory)
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for filename in os.listdir(custom_instructions_directory):
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if filename.endswith(".txt"):
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instructions.append(filename[:-4])
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return instructions
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custom_instructions_list = load_custom_instructions()
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def fetch_and_extract_content(url):
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try:
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response = requests.get(url, timeout=10)
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response.raise_for_status()
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soup = BeautifulSoup(response.content, 'html.parser')
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paragraphs = soup.find_all('p')
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text_content = "\n".join([p.text for p in paragraphs])
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return text_content.strip()
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except requests.exceptions.RequestException as e:
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print(f"Error fetching URL {url}: {e}")
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return None
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except Exception as e:
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print(f"Error processing content from {url}: {e}")
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return None
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class OllamaAPI:
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def __init__(self, base_url="http://localhost:11434"):
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self.base_url = base_url
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def generate_completion(self, model, prompt, stream=False, keep_alive=5, images=None):
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url = f"{self.base_url}/api/generate"
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payload = {
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"model": model,
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"prompt": prompt,
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"stream": stream,
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"keep_alive": keep_alive,
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}
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if images:
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payload["images"] = images
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response = requests.post(url, json=payload)
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response.raise_for_status()
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return response.json()
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class Polymath:
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chat_history = []
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default_model = None
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@classmethod
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def INPUT_TYPES(cls):
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return {
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"required": {
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"prompt": (
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"STRING",
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{
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"default": "Enter your prompt here. Use {additional_text} as a placeholder if needed.",
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"multiline": True
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}
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),
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"additional_text": (
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"STRING",
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{
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"default": "",
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"multiline": True
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}
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),
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"seed": ("INT", {"default": 0, "min": 0, "step": 1}),
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},
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"optional": {
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"model": (models_list, {"default": default_model}),
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"custom_instruction": (custom_instructions_list, {"default": "None"}),
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"enable_web_search": ("BOOLEAN", {"default": False}),
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"list_sources": ("BOOLEAN", {"default": True}),
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"num_search_results": ("INT", {"default": 5, "min": 1, "max": 10}),
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"keep_context": ("BOOLEAN", {"default": True}),
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"compress": ("BOOLEAN", {"default": False}),
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"compression_level": (["soft", "medium", "hard"],),
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"Console_log": ("BOOLEAN", {"default": True}),
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"image": ("IMAGE",),
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}
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}
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RETURN_TYPES = ("STRING",)
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FUNCTION = "execute"
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CATEGORY = "Polymath"
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def tensor_to_pil(self, img_tensor):
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arr = img_tensor.cpu().numpy() if hasattr(img_tensor, "cpu") else np.array(img_tensor)
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arr = np.squeeze(arr) # remove singleton dimensions
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if arr.ndim == 3 and arr.shape[0] == 3: # if in (C, H, W), transpose to (H, W, C)
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arr = np.transpose(arr, (1, 2, 0))
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arr = np.clip(255.0 * arr, 0, 255).astype(np.uint8)
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return Image.fromarray(arr)
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def encode_image(self, image):
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buffered = BytesIO()
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image.save(buffered, format="PNG")
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return base64.b64encode(buffered.getvalue()).decode("utf-8")
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def execute(
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self, prompt, additional_text, seed, model=None, custom_instruction="None",
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enable_web_search=False, list_sources=True, num_search_results=3, keep_context=True,
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compress=False, compression_level="soft", Console_log=True, image=None
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):
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selected_model_value = models_dict.get(model)
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if not selected_model_value:
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print(f"Error: Model '{model}' not found in config.json. Using default.")
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selected_model_value = list(models_dict.values())[0] if models_dict else None
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if not selected_model_value:
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return ("Error: No valid model found.",)
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if Console_log:
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print(
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f"Polymath Chat Request: Model='{model}', Prompt='{prompt}', Additional Text='{additional_text}', "
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f"Seed='{seed}', Web Search Enabled={enable_web_search}, Keep Context={keep_context}, "
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f"Custom Instruction='{custom_instruction}'"
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)
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# Process additional_text using the given prompt:
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# If the prompt contains the placeholder "{additional_text}", then replace it with the additional_text input.
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# Otherwise, if additional_text is provided, append it at the end.
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if "{additional_text}" in prompt:
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augmented_prompt = prompt.replace("{additional_text}", additional_text)
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elif additional_text.strip():
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augmented_prompt = prompt + "\n\n" + additional_text
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else:
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augmented_prompt = prompt
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if enable_web_search:
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urls_in_prompt = re.findall(r'(https?://\S+)', augmented_prompt)
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try:
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search_results_content = []
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searched_urls = set()
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for url in urls_in_prompt:
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if url not in searched_urls:
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print(f"Fetching content from URL in prompt: {url}")
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content = fetch_and_extract_content(url)
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if content:
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search_results_content.append(
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f"Source (from prompt): {url}\nContent:\n{content}\n---\n"
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)
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else:
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search_results_content.append(
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f"Source (from prompt): {url}\nCould not retrieve content.\n---\n"
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)
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searched_urls.add(url)
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for i, url in enumerate(search(augmented_prompt, num_results=num_search_results)):
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if url not in searched_urls:
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print(f"Fetching content from search result {i+1}: {url}")
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content = fetch_and_extract_content(url)
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if content:
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search_results_content.append(
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f"Search Result {i+1}:\nSource: {url}\nContent:\n{content}\n---\n"
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)
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else:
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search_results_content.append(
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f"Search Result {i+1}:\nSource: {url}\nCould not retrieve content.\n---\n"
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)
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searched_urls.add(url)
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if search_results_content:
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augmented_prompt = (
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f"Original query: {augmented_prompt}\n\nWeb search results and linked content:\n\n"
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f"{''.join(search_results_content)}\n\nBased on this information, please provide a response."
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)
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else:
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augmented_prompt = (
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f"Original query: {augmented_prompt}\n\nNo relevant web search results or linked content found. "
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"Please proceed with the original query."
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)
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if Console_log:
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print("No relevant web search results or linked content found.")
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except Exception as e:
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print(f"Web Search Error: {e}")
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augmented_prompt = (
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f"Original query: {augmented_prompt}\n\nAn error occurred during web search or fetching linked content. "
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"Please proceed with the original query."
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)
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if compress:
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compression_chars = {
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"soft": 250,
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"medium": 150,
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"hard": 75,
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}
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char_limit = compression_chars[compression_level]
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augmented_prompt += (
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f" Compress the output to be concise while retaining key visual details. MAX OUTPUT SIZE no more than "
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f"{char_limit} characters."
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)
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if Console_log:
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print(augmented_prompt)
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if list_sources:
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augmented_prompt += " Always list all fetched sources."
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if custom_instruction == "node finder":
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with open(json_file_path, "r", encoding="utf-8") as file:
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json_data = json.load(file)
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filtered_data = [
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f"Title: {node['title']}\nReference: {node['reference']}\nDescription: {node['description']}\n"
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for node in json_data.get("custom_nodes", [])
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]
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data = "\n".join(filtered_data)
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print("Filtered JSON Data:")
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print(data)
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augmented_prompt += data
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b64 = None
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if image is not None:
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pil_image = self.tensor_to_pil(image)
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b64 = self.encode_image(pil_image)
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response = self.polymath_interaction(
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base_url, api_key, selected_model_value, augmented_prompt,
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Console_log, keep_context, custom_instruction, b64=b64,
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)
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return response
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def polymath_interaction(self, base_url, api_key, model_value, prompt, Console_log, keep_context, custom_instruction, b64=None):
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if model_value.startswith(('gpt', 'o1', 'o3')):
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client = openai.OpenAI(api_key=api_key, base_url=base_url)
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messages = []
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if custom_instruction != "None":
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instruction_path = os.path.join(custom_instructions_directory, f"{custom_instruction}.txt")
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try:
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with open(instruction_path, 'r') as f:
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system_instruction = f.read()
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messages.append({"role": "system", "content": system_instruction})
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except FileNotFoundError:
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print(f"Error: Custom instruction file '{instruction_path}' not found.")
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except Exception as e:
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print(f"Error reading custom instruction file: {e}")
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if keep_context and self.chat_history:
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messages.extend(self.chat_history)
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if b64:
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image_data = {"type": "image_url", "image_url": {"url": f"data:image/png;base64,{b64}"}}
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user_content = [
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{"type": "text", "text": prompt},
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image_data
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]
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messages.append({"role": "user", "content": user_content})
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else:
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messages.append({"role": "user", "content": prompt})
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completion = client.chat.completions.create(
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model=model_value,
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messages=messages,
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stream=False
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)
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output_text = completion.choices[0].message.content
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if Console_log:
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print(f"Polymath Chat Response: {output_text}")
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self.chat_history.append({"role": "user", "content": prompt})
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self.chat_history.append({"role": "assistant", "content": output_text})
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return (output_text,)
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else:
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ollama_api = OllamaAPI()
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images = None
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if b64:
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images = [b64]
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response = ollama_api.generate_completion(
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model=model_value,
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prompt=prompt,
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stream=False,
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keep_alive=5,
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images=images
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)
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output_text = response.get('response', '')
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if Console_log:
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print(f"Ollama API Response: {output_text}")
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return (output_text,)
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NODE_CLASS_MAPPINGS = {
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"polymath_chat": Polymath
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}
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NODE_DISPLAY_NAME_MAPPINGS = {
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"polymath_chat": "LLM Polymath Chat with Advanced Web and Link Search"
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}
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