chat-bot-cli-mexo 0.1.0

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AI Chat Bot CLI

A command-line chatbot powered by Google's Gemini API with streaming responses and a beautiful terminal interface.

Features

• Interactive chat with Google Gemini AI models
• Real-time streaming responses
• Conversation history (AI remembers context)
• Beautiful terminal UI with Rich
• Easy configuration via .env file

Prerequisites

• Python 3.12 or higher
• A Google Gemini API key (Get one here)

Installation

1. Clone the repository

   git clone https://github.com/SajalDevX/ai_chat_bot_cli.git
   cd ai_chat_bot_cli
   

2. Create a virtual environment

   python -m venv .venv
   source .venv/bin/activate  # Linux/macOS
   # or
   .venv\Scripts\activate     # Windows
   

3. Install dependencies

   # Using uv (recommended)
   uv pip install -e .
   
   # Or using pip
   pip install -e .
   

4. Configure your API key

   Create a .env file in the project root:

   cp .env.example .env
   

   Edit .env and add your Gemini API key:

   GEMINI_API_KEY=your_api_key_here
   GEMINI_MODEL=gemini-2.0-flash
   MAX_TOKENS=1000
   TEMPERATURE=0.7
   

Usage

Run the chatbot:

# Using the CLI command
ai-chat-bot

# Or using Python module
python -m ai_chat_bot.main

# Or with uv
uv run python -m ai_chat_bot.main

Example session:

╭─────────────────────────────────────────────────────────╮
│ AI Chatbot                                              │
│ Type your message and press Enter.                     │
│ Commands: /help, /clear, /quit                         │
╰─────────────────────────────────────────────────────────╯

✅ Connected to Gemini API!
ℹ️  Model: gemini-2.0-flash
ℹ️  Streaming enabled

You: Hello! What can you help me with?

🤖 Assistant:
Hello! I can help you with a wide range of tasks...

Commands

Command	Description
/help	Show help information
/clear	Clear conversation history
/quit	Exit the chatbot

Configuration Options

Variable	Description	Default
GEMINI_API_KEY	Your Google Gemini API key	Required
GEMINI_MODEL	Gemini model to use	gemini-2.0-flash
MAX_TOKENS	Maximum tokens in response	1000
TEMPERATURE	Response creativity (0.0-2.0)	0.7
TIMEOUT	API request timeout (seconds)	30.0

Available Models

• gemini-2.0-flash - Fast and efficient (recommended)
• gemini-2.5-flash - Latest flash model
• gemini-2.5-pro - Most capable model

Project Structure

chat_bot_cli/
├── src/
│   └── ai_chat_bot/
│       ├── __init__.py
│       ├── main.py           # Entry point and ChatBot class
│       ├── config.py         # Settings configuration
│       ├── clients/
│       │   ├── __init__.py
│       │   └── gemini.py     # Gemini API client
│       ├── models/
│       │   ├── __init__.py
│       │   └── messages.py   # Message and Conversation models
│       ├── ui/
│       │   ├── __init__.py
│       │   └── display.py    # Terminal display utilities
│       └── utils/
│           ├── __init__.py
│           └── exceptions.py # Custom exceptions
├── .env                      # Environment variables (create this)
├── pyproject.toml
└── README.md

Troubleshooting

"Rate limit exceeded" error

• Check your API quota at https://ai.dev/usage
• Try using gemini-2.0-flash model (more generous limits)
• Wait a few minutes and try again

"API key not valid" error

• Verify your API key at https://aistudio.google.com/apikey
• Make sure the .env file is in the project root
• Check that the key is correctly copied (no extra spaces)

"Model not found" error

• Update to a supported model (e.g., gemini-2.0-flash)
• Check available models at https://ai.google.dev/gemini-api/docs/models

License

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

Author

Airo - SajalDevX