LangChain LLM Model

Introduction

This Django project demonstrates how to create a custom user model and define related models for user profiles, PDF documents, and chat messages.

Features

• Advanced Chatbot Integration: Utilizes cutting-edge Generative AI and advanced language models to power a chatbot that enables users to interact with uploaded PDF documents.
• PDF Document Upload: Allows users to upload PDF files, making them accessible for content-based queries.
• Real-time Responses: Provides real-time chatbot responses to user queries about the content of uploaded PDF documents.
• Responsive UI: Implements a responsive user interface, ensuring a seamless experience across various devices for enhanced accessibility.
• Chat History: Designed and implemented a chat history feature, allowing users to revisit previous conversations with the chatbot, fostering a user-friendly interaction.
• Technology Stack: Employed Python, Django, PyPDF2, chatbot frameworks, LLM, openAI, and natural language processing libraries to architect and develop this solo project, demonstrating proficiency in these industry-standard technologies.

Prerequisites

Before you begin, ensure you have met the following requirements:

• Python (3.x) installed on your system.
• Django installed (pip install Django).
• Langchain library installed (pip install langchain).
• PyPDF2 library installed (pip install PyPDF2).
• OpenAI API key (set it as an environment variable named OPENAI_API_KEY).

Getting Started

Installation & Getting started

Detailed instructions on how to install, configure, and get the project running:

1. Clone the repository: git clone https://github.com/amanastel/llm_project.git
2. Navigate to the project directory: cd PDF_Based_Chatbot_AI
3. Create a virtual environment: python3 -m venv venv
4. Activate the virtual environment: source venv/bin/activate
5. Install dependencies: pip install -r requirements.txt
6. Apply database migrations: python manage.py migrate
7. Create a superuser: python manage.py createsuperuser
8. Run the development server: python manage.py runserver

APIs Used

1. Create a superuser to access the admin panel: python manage.py createsuperuser
2. Start the development server: python manage.py runserver
3. Access the admin panel at: http://localhost:8000/admin/
4. Use the admin panel to manage users, profiles, PDF documents, and chat messages.

API Endpoints

• User Registration: POST /api/register/
• User Login: POST /api/login/
• User Profile: GET /api/profile/
• Upload PDF Document: POST /api/upload-pdf/
• List PDF Documents: GET /api/pdf-documents/
• Create Chat Message: POST /api/chat/create/
• List Chat Messages: GET /api/chat/list/

Custom User Serializer

You can find the CustomUserSerializer in the serializers.py file under the llmApp app directory. This serializer is used for user registration and login.

Models

• CustomProfile: Represents user profiles with extended fields (phone and address).
• PDFDocument: Represents uploaded PDF documents associated with users.
• ChatMessage: Represents chat messages with timestamps.

Technology Stack

• Django
• Python
• Langchain
• MySQL
• Vue

Contributing

Contributions are welcome! If you find any issues or want to add new features, feel free to open a pull request.

License

This project is licensed under the MIT License - see the LICENSE file for details.