Amazon Return Policy ChatBot

This project provides two implementations of a chatbot use ChatOpenAI and LangChain that can help users with questions about Amazon's return policy. One implementation is a Telegram bot, and the other is a web-based interface using Streamlit.

Features

• Answers questions related to Amazon's return policy.
• Redirects non-return policy queries to Amazon's customer support.
• Provides initial greeting to users.

Technologies Used

• Python: The core programming language used for development.
• LangChain: A library to build and operate with large language models (LLMs).
• OpenAI API: Used to integrate GPT-3.5 for generating responses.
• Streamlit: A framework for building web applications.
• Python Telegram Bot: A library to interact with the Telegram Bot API.
• FAISS: A library for efficient similarity search and clustering of dense vectors.
• BeautifulSoup: A library for web scraping purposes (through WebBaseLoader in LangChain).

Two implementations:

Telegram bot and Streamlit app.

Setup and Installation

• Prerequisites
• Python 3.8+
• pip (Python package installer)
• Telegram bot token (obtain from BotFather)
• OpenAI API key (obtain from OpenAI)

Clone the Repository

git clone https://github.com/Yevheniia-Ilchenko/ChatBotAmazon.git

Create a .env File

Create a .env file in the root directory of the project and add the following content:

OPENAI_API_KEY=your-openai-api-key
USER_AGENT=Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36
TELEGRAM_TOKEN=your-telegram-bot-token

Install Dependencies

pip install -r requirements.txt

Running the Telegram Bot

To run the Telegram bot:

Ensure your .env file is correctly set up with your Telegram bot token and OpenAI API key.

Run the telegram_bot.py script:

python telegram_bot.py

Running the Streamlit App

To run the Streamlit app:

Ensure your .env file is correctly set up with your OpenAI API key and user agent.

Run the streamlit_bot.py script:

streamlit run streamlit_bot.py

Usage

Telegram Bot

• Start the bot by running the telegram_bot.py script.
• Open Telegram and search for your bot.
• Start a conversation with the bot using the /start command.
• Ask questions related to Amazon's return policy.

Streamlit App

• Start the app by running the streamlit_bot.py script.
• Open a web browser and go to the provided localhost URL.
• Interact with the chatbot by typing your questions in the input field and clicking "Send".