from PyPDF2 import PdfReader import requests import json import os import concurrent.futures import random from langchain_google_genai import ChatGoogleGenerativeAI from langchain_community.document_loaders import WebBaseLoader from langchain_community.document_loaders import PyPDFLoader from langchain.text_splitter import RecursiveCharacterTextSplitter import google.generativeai as genai from langchain_core.messages import HumanMessage from io import BytesIO import numpy as np import re import torch from transformers import AutoTokenizer, AutoModel from search import search_images gemini = ChatGoogleGenerativeAI(model="gemini-1.0-pro-001",google_api_key='AIzaSyCo-TeDp0Ou--UwhlTgMwCoTEZxg6-v7wA',temperature = 0.1) gemini1 = ChatGoogleGenerativeAI(model="gemini-1.0-pro-001",google_api_key='AIzaSyAtnUk8QKSUoJd3uOBpmeBNN-t8WXBt0zI',temperature = 0.1) gemini2 = ChatGoogleGenerativeAI(model="gemini-1.0-pro-001",google_api_key='AIzaSyBzbZQBffHFK3N-gWnhDDNbQ9yZnZtaS2E',temperature = 0.1) gemini3 = ChatGoogleGenerativeAI(model="gemini-1.0-pro-001",google_api_key='AIzaSyBNN4VDMAOB2gSZha6HjsTuH71PVV69FLM',temperature = 0.1) vision = ChatGoogleGenerativeAI(model="gemini-1.5-flash",google_api_key='AIzaSyCo-TeDp0Ou--UwhlTgMwCoTEZxg6-v7wA',temperature = 0.1) vision1 = ChatGoogleGenerativeAI(model="gemini-1.5-flash",google_api_key='AIzaSyAtnUk8QKSUoJd3uOBpmeBNN-t8WXBt0zI',temperature = 0.1) vision2 = ChatGoogleGenerativeAI(model="gemini-1.5-flash",google_api_key='AIzaSyBzbZQBffHFK3N-gWnhDDNbQ9yZnZtaS2E',temperature = 0.1) vision3 = ChatGoogleGenerativeAI(model="gemini-1.5-flash",google_api_key='AIzaSyBNN4VDMAOB2gSZha6HjsTuH71PVV69FLM',temperature = 0.1) tokenizer = AutoTokenizer.from_pretrained('Alibaba-NLP/gte-base-en-v1.5',trust_remote_code = True) model = AutoModel.from_pretrained('Alibaba-NLP/gte-base-en-v1.5',trust_remote_code = True) model.to('cpu') # Ensure the model is on the CPU genai.configure(api_key="AIzaSyAtnUk8QKSUoJd3uOBpmeBNN-t8WXBt0zI") def pdf_extractor(link): text = '' try: # Fetch the PDF file from the URL response = requests.get(link) response.raise_for_status() # Raise an error for bad status codes # Use BytesIO to handle the PDF content in memory pdf_file = BytesIO(response.content) # Load the PDF file reader = PdfReader(pdf_file) for page in reader.pages: text += page.extract_text() # Extract text from each page except requests.exceptions.HTTPError as e: print(f'HTTP error occurred: {e}') except Exception as e: print(f'An error occurred: {e}') return text def web_extractor(link): text = '' try: loader = WebBaseLoader(link) pages = loader.load_and_split() for page in pages: text+=page.page_content except: pass return text def imporve_text(text): prompt = f''' Please rewrite the following text to make it short, concise, and of high quality. Ensure that all essential information and key points are retained. Focus on improving clarity, coherence, and word choice without altering the original meaning. text = {text} ''' model = random.choice([gemini,gemini1,gemini2,gemini3]) result = model.invoke(prompt) return result.content def feature_extraction(tag, history , context): prompt = f''' You are an intelligent assistant tasked with updating product information. You have two data sources: 1. Tag_History: Previously gathered information about the product. 2. Tag_Context: New data that might contain additional details. Your job is to read the Tag_Context and update the relevant field in the Tag_History with any new details found. The field to be updated is the {tag} FIELD. Guidelines: - Only add new details that are relevant to the {tag} FIELD. - Do not add or modify any other fields in the Tag_History. - Ensure your response is in coherent sentences, integrating the new details seamlessly into the existing information. Here is the data: Tag_Context: {str(context)} Tag_History: {history} Respond with the updated Tag_History. ''' model = random.choice([gemini,gemini1,gemini2,gemini3]) result = model.invoke(prompt) return result.content def feature_extraction_image(url): vision = ChatGoogleGenerativeAI(model="gemini-1.5-flash",google_api_key='AIzaSyBzbZQBffHFK3N-gWnhDDNbQ9yZnZtaS2E',temperature = 0.1) # result = gemini.invoke('''Hello''') # Markdown(result.content) # print(result) text = 'None' message = HumanMessage(content=[ {"type": "text", "text": "Please, Describe this image in detail"}, {"type": "image_url", "image_url": url} ]) try: model = random.choice([vision,vision1,vision2,vision3]) text = model.invoke([message]) except: return text return text.content def detailed_feature_extraction(find, context): prompt = f''' You are an intelligent assistant tasked with finding product information. You have one data source and one output format: 1. Context: The gathered information about the product. 2. Format: Details which need to be filled based on Context. Your job is to read the Context and update the relevant field in Format using Context. Guidelines: - Only add details that are relevant to the individual FIELD. - Do not add or modify any other fields in the Format. - If nothing found return None. Here is the data: The Context is {str(context)} The Format is {str(find)} ''' model = random.choice([gemini,gemini1,gemini2,gemini3]) result = model.invoke(prompt) return result.content def detailed_history(history): details = { "Introduction": { "Product Name": None, "Overview of the product": None, "Purpose of the manual": None, "Audience": None, "Additional Details": None }, "Specifications": { "Technical specifications": None, "Performance metrics": None, "Additional Details": None }, "Product Overview": { "Product features": None, "Key components and parts": None, "Additional Details": None }, "Safety Information": { "Safety warnings and precautions": None, "Compliance and certification information": None, "Additional Details": None }, "Installation Instructions": { "Unboxing and inventory checklist": None, "Step-by-step installation guide": None, "Required tools and materials": None, "Additional Details": None }, "Setup and Configuration": { "Initial setup procedures": None, "Configuration settings": None, "Troubleshooting setup issues": None, "Additional Details": None }, "Operation Instructions": { "How to use the product": None, "Detailed instructions for different functionalities": None, "User interface guide": None, "Additional Details": None }, "Maintenance and Care": { "Cleaning instructions": None, "Maintenance schedule": None, "Replacement parts and accessories": None, "Additional Details": None }, "Troubleshooting": { "Common issues and solutions": None, "Error messages and their meanings": None, "Support Information": None, "Additional Details": None }, "Warranty Information": { "Terms and Conditions": None, "Service and repair information": None, "Additional Details": None }, "Legal Information": { "Copyright information": None, "Trademarks and patents": None, "Disclaimers": None, "Additional Details": None } } for key,val in history.items(): find = details[key] details[key] = str(detailed_feature_extraction(find,val)) return details def get_embeddings(link,tag_option): print(f"\n--> Creating Embeddings - {link}") if tag_option=='Complete Document Similarity': history = { "Details": "" } else: history = { "Introduction": "", "Specifications": "", "Product Overview": "", "Safety Information": "", "Installation Instructions": "", "Setup and Configuration": "", "Operation Instructions": "", "Maintenance and Care": "", "Troubleshooting": "", "Warranty Information": "", "Legal Information": "" } # Extract Text ----------------------------- print("Extracting Text") if link[-3:] == '.md' or link[8:11] == 'en.': text = web_extractor(link) else: text = pdf_extractor(link) # Create Chunks ---------------------------- print("Writing Tag Data") if tag_option=="Complete Document Similarity": history["Details"] = feature_extraction("Details", history["Details"], text[0][:50000]) else: chunks = text_splitter.create_documents(text) for chunk in chunks: with concurrent.futures.ThreadPoolExecutor() as executor: future_to_key = { executor.submit( feature_extraction, f"Product {key}", history[key], chunk.page_content ): key for key in history } for future in concurrent.futures.as_completed(future_to_key): key = future_to_key[future] try: response = future.result() history[key] = response except Exception as e: print(f"Error processing {key}: {e}") print("Creating Vectors") genai_embeddings=[] for tag in history: result = genai.embed_content( model="models/embedding-001", content=history[tag], task_type="retrieval_document") genai_embeddings.append(result['embedding']) return history,genai_embeddings def get_embed_chroma(link): print(f"\n--> Creating Embeddings - {link}") # Extract Text ----------------------------- if link[-3:] == '.md' or link[8:11] == 'en.': text = web_extractor(link) else: text = pdf_extractor(link) print("\u2713 Extracting Text") # Create Chunks ---------------------------- text = re.sub(r'\.{2,}', '.', text) text = re.sub(r'\s{2,}', ' ', text) text = [re.sub(r'\n{2,}', '\n', text)] chunks = text_splitter_small.create_documents(text) print("\u2713 Writing Tag Data") # Creating Vector embedding_vectors=[] textual_data = [] print("\u2713 Creating Vectors") for text in chunks: inputs = tokenizer(text.page_content, return_tensors="pt", padding=True, truncation=True) inputs = {k: v.to('cpu') for k, v in inputs.items()} # Get the model's outputs with torch.no_grad(): outputs = model(**inputs) embeddings = outputs.last_hidden_state.mean(dim=1) embedding_vectors.append(embeddings.squeeze().cpu().numpy().tolist()) textual_data.append(text.page_content) return textual_data , embedding_vectors def get_image_embeddings(Product): image_embeddings = [] links = search_images(Product) with concurrent.futures.ThreadPoolExecutor() as executor: descriptions = list(executor.map(feature_extraction_image, links)) for description in descriptions: result = genai.embed_content( model="models/embedding-001", content=description, task_type="retrieval_document") image_embeddings.append(result['embedding']) # print(image_embeddings) return image_embeddings global text_splitter global data global history text_splitter = RecursiveCharacterTextSplitter( chunk_size = 10000, chunk_overlap = 100, separators = ["",''," "] ) text_splitter_small = RecursiveCharacterTextSplitter( chunk_size = 2000, chunk_overlap = 100, separators = ["",''," "] ) if __name__ == '__main__': print(get_embed_chroma('https://www.galaxys24manual.com/wp-content/uploads/pdf/galaxy-s24-manual-SAM-S921-S926-S928-OS14-011824-FINAL-US-English.pdf')) # print(get_image_embeddings(Product='Samsung Galaxy S24'))