From the uDemy course on LLM engineering.
https://www.udemy.com/course/llm-engineering-master-ai-and-large-language-models
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271 lines
9.0 KiB
271 lines
9.0 KiB
{ |
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"cells": [ |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "4e2a9393-7767-488e-a8bf-27c12dca35bd", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# imports\n", |
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"\n", |
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"import os\n", |
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"import requests\n", |
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"from dotenv import load_dotenv\n", |
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"from bs4 import BeautifulSoup\n", |
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"from IPython.display import Markdown, display\n", |
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"from openai import OpenAI\n", |
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"\n", |
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"# If you get an error running this cell, then please head over to the troubleshooting notebook!" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "7b87cadb-d513-4303-baee-a37b6f938e4d", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# Load environment variables in a file called .env\n", |
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"\n", |
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"load_dotenv(override=True)\n", |
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"api_key = os.getenv('OPENAI_API_KEY')\n", |
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"\n", |
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"# Check the key\n", |
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"\n", |
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"if not api_key:\n", |
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" print(\"No API key was found - please head over to the troubleshooting notebook in this folder to identify & fix!\")\n", |
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"elif not api_key.startswith(\"sk-proj-\"):\n", |
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" print(\"An API key was found, but it doesn't start sk-proj-; please check you're using the right key - see troubleshooting notebook\")\n", |
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"elif api_key.strip() != api_key:\n", |
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" print(\"An API key was found, but it looks like it might have space or tab characters at the start or end - please remove them - see troubleshooting notebook\")\n", |
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"else:\n", |
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" print(\"API key found and looks good so far!\")\n" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "019974d9-f3ad-4a8a-b5f9-0a3719aea2d3", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"openai = OpenAI()\n", |
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"\n", |
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"# If this doesn't work, try Kernel menu >> Restart Kernel and Clear Outputs Of All Cells, then run the cells from the top of this notebook down.\n", |
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"# If it STILL doesn't work (horrors!) then please see the Troubleshooting notebook in this folder for full instructions" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "abdb8417-c5dc-44bc-9bee-2e059d162699", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# Define our system prompt - you can experiment with this later, changing the last sentence to 'Respond in markdown in Spanish.\"\n", |
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"\n", |
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"system_prompt = \"You are an assistant that analyzes the contents of a website \\\n", |
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"and provides a short summary, ignoring text that might be navigation related. \\\n", |
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"Respond in markdown.\"" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "f0275b1b-7cfe-4f9d-abfa-7650d378da0c", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# A function that writes a User Prompt that asks for summaries of websites:\n", |
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"\n", |
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"def user_prompt_for(website):\n", |
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" user_prompt = f\"You are looking at a website titled {website.title}\"\n", |
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" user_prompt += \"\\nThe contents of this website is as follows; \\\n", |
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"please provide a short summary of this website in markdown. \\\n", |
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"If it includes news or announcements, then summarize these too.\\n\\n\"\n", |
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" user_prompt += website.text\n", |
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" return user_prompt" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "0134dfa4-8299-48b5-b444-f2a8c3403c88", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# See how this function creates exactly the format above\n", |
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"\n", |
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"def messages_for(website):\n", |
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" return [\n", |
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" {\"role\": \"system\", \"content\": system_prompt},\n", |
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" {\"role\": \"user\", \"content\": user_prompt_for(website)}\n", |
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" ]" |
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] |
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}, |
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{ |
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"cell_type": "markdown", |
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"id": "eeab24dc-5f90-4570-b542-b0585aca3eb6", |
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"metadata": {}, |
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"source": [ |
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"# Sharing your code\n", |
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"\n", |
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"I'd love it if you share your code afterwards so I can share it with others! You'll notice that some students have already made changes (including a Selenium implementation) which you will find in the community-contributions folder. If you'd like add your changes to that folder, submit a Pull Request with your new versions in that folder and I'll merge your changes.\n", |
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"\n", |
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"If you're not an expert with git (and I am not!) then GPT has given some nice instructions on how to submit a Pull Request. It's a bit of an involved process, but once you've done it once it's pretty clear. As a pro-tip: it's best if you clear the outputs of your Jupyter notebooks (Edit >> Clean outputs of all cells, and then Save) for clean notebooks\n", |
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"\n", |
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"Here are good instructions courtesy of an AI friend: \n", |
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"https://chatgpt.com/share/677a9cb5-c64c-8012-99e0-e06e88afd293" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "acbb92b2-b625-4a37-b03a-09dc8f06b222", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"!pip install selenium" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "d6448a12-6aa1-4dd1-aaf1-c8a3a3c3ecb0", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"!pip install webdriver-manager" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "f4484fcf-8b39-4c3f-9674-37970ed71988", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"# A class to represent a Webpage\n", |
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"# If you're not familiar with Classes, check out the \"Intermediate Python\" notebook\n", |
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"\n", |
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"# Some websites need you to use proper headers when fetching them:\n", |
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"# Import necessary modules\n", |
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"from selenium import webdriver\n", |
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"from selenium.webdriver.chrome.options import Options\n", |
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"from selenium.webdriver.chrome.service import Service\n", |
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"from webdriver_manager.chrome import ChromeDriverManager\n", |
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"from bs4 import BeautifulSoup\n", |
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"import time\n", |
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"\n", |
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"class ScrapeWebsite:\n", |
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" def __init__(self, url):\n", |
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" \"\"\"\n", |
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" Create this Website object from the given URL using Selenium + BeautifulSoup\n", |
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" Supports JavaScript-heavy and normal websites uniformly.\n", |
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" \"\"\"\n", |
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" self.url = url\n", |
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"\n", |
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" # Configure headless Chrome\n", |
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" options = Options()\n", |
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" options.add_argument('--headless')\n", |
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" options.add_argument('--no-sandbox')\n", |
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" options.add_argument('--disable-dev-shm-usage')\n", |
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"\n", |
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" # Use webdriver-manager to manage ChromeDriver\n", |
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" service = Service(ChromeDriverManager().install())\n", |
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"\n", |
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" # Initialize the Chrome WebDriver with the service and options\n", |
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" driver = webdriver.Chrome(service=service, options=options)\n", |
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"\n", |
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" # Start Selenium WebDriver\n", |
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" driver.get(url)\n", |
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"\n", |
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" # Wait for JS to load (adjust as needed)\n", |
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" time.sleep(3)\n", |
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"\n", |
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" # Fetch the page source after JS execution\n", |
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" page_source = driver.page_source\n", |
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" driver.quit()\n", |
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"\n", |
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" # Parse the HTML content with BeautifulSoup\n", |
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" soup = BeautifulSoup(page_source, 'html.parser')\n", |
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"\n", |
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" # Extract title\n", |
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" self.title = soup.title.string if soup.title else \"No title found\"\n", |
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"\n", |
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" # Remove unnecessary elements\n", |
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" for irrelevant in soup.body([\"script\", \"style\", \"img\", \"input\"]):\n", |
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" irrelevant.decompose()\n", |
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"\n", |
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" # Extract the main text\n", |
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" self.text = soup.body.get_text(separator=\"\\n\", strip=True)\n" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "f576f485-60c0-4539-bfb3-79d821ebefa4", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"def summarize_js_website(url):\n", |
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" website = ScrapeWebsite(url)\n", |
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" response = openai.chat.completions.create(\n", |
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" model = \"gpt-4o-mini\",\n", |
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" messages = messages_for(website)\n", |
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" )\n", |
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" return response.choices[0].message.content" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "00ac3659-e4f0-4b64-8041-ba35bfa2c4c9", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"summary = summarize_js_website(\"https://dheerajmaddi.netlify.app/\")" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "d526136e-9960-4f09-aad0-32f8c11de0ac", |
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"metadata": {}, |
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"outputs": [], |
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"source": [ |
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"display(Markdown(summary))" |
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] |
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}, |
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{ |
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"cell_type": "code", |
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"execution_count": null, |
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"id": "bcf1fd75-9964-4223-bcda-f2794bc9f7af", |
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"metadata": {}, |
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"outputs": [], |
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"source": [] |
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} |
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], |
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"metadata": { |
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"kernelspec": { |
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"display_name": "Python 3 (ipykernel)", |
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"language": "python", |
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"name": "python3" |
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}, |
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"language_info": { |
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"codemirror_mode": { |
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"name": "ipython", |
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"version": 3 |
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}, |
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"file_extension": ".py", |
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"mimetype": "text/x-python", |
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"name": "python", |
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"nbconvert_exporter": "python", |
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"pygments_lexer": "ipython3", |
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"version": "3.11.12" |
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} |
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}, |
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"nbformat": 4, |
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"nbformat_minor": 5 |
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}
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