Lecture Notes: Scraping Websites Using Llama 3.18
Overview
- Main Topic: Using Llama 3.18 for web scraping instead of GPT models.
- Example Website: scrape me.if, a dummy website for testing scraping scripts.
- Scraping Target: Names and prices of Pokémon.
Scraping Process
- Steps Involved:
- Obtain the URL.
- Identify fields to scrape.
- Initiate the scraping process.
- Outcome: JSON file generated for use on websites.
- Cost: Free, with the process occurring on the local machine.
Setting Up Your Environment
- Code Availability:
- GitHub account suspension issues.
- Code setup guidance is available.
- Setup Steps:
- Create a new project folder (e.g., Scrap Master 2.0).
- Use VS Code with Python configured.
- Create a virtual environment using Python.
- Install necessary libraries from a requirements file.
- Setup API keys in a
.env file.
- Download and install the Chrome driver specific to your OS.
- Create necessary script files:
assets.py
scraper.py
streamlit_app.py
Running the Application
- Command:
streamlit run app.py
- Scraping Models:
- Use different models like GPT, Gro, and Gemini Flash.
- Model Comparisons:
- Gro offers speed benefits.
- Gemini Flash provides cost-effective options.
- Local models like Llama 3.18 offer flexibility.
Discussion on Models
-
Gro:
- Enhances speed for scraping multiple websites.
- Reduces wait times compared to traditional scrapers.
-
Gemini Flash:
- Offers free and affordable pricing tiers.
- Suitable for non-commercial, personal scraping needs.
Troubleshooting and Tips
- Error Handling:
- Ensure the server for Llama 3 is running.
- Use LM Studio for setting up Llama 3 servers; it’s user-friendly and free.
Pagination Feature
-
Challenges:
- Implementing pagination universally across websites.
- Possible solution: detect URL patterns for multiple pages.
-
Feedback Request:
- Open for ideas on universal pagination handling.
Conclusion
-
Future Enhancements:
- Incorporating user feedback for pagination.
- Exploring more models and features.
-
Call to Action:
- Engage with the project by providing feedback and ideas.
Note: This session emphasizes practical steps in setting up a web scraping environment using Llama 3.18 and related technologies, focusing on cost-saving and efficiency in scraping operations.