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# Author : Georgios Ioannou
#
# Copyright © 2024 by Georgios Ioannou
# Setting Up API Tokens for Hugging Face & OpenAI in Hugging Face Space
## 1. Create Required Tokens
1. **Hugging Face Token**:
- Log in to [Hugging Face](https://huggingface.co)
- Go to Settings → Access Tokens
- Click "New token"
- Name your token and select permissions
- Copy the token
2. **OpenAI API Key**:
- Log in to [OpenAI](https://platform.openai.com)
- Go to API settings
- Create new API key
- Copy the key
3. **MongoDB URI**:
- Follow [here](https://huggingface.co/spaces/GeorgiosIoannouCoder/cuny-tech-prep-tutorial-5/blob/main/mongodb_atlas_vector_search_setup.md#connection-string)
## 2. Add Tokens to Hugging Face Space Settings
1. Go INTO your Hugging Face Space settings (⚙️ icon)
2. Find "Variables and secrets" section
3. Add tokens as "New secret" one by one:
```toml
HUGGINGFACEHUB_API_TOKEN = "your_huggingface_token_here"
OPENAI_API_KEY = "your_openai_key_here"
MONGO_URI = "your_mongo_uri"
```
## 3. Add Access Tokens in app.py
### NOTE: pip install python-dotenv
#### [python-dotenv](https://pypi.org/project/python-dotenv/) gives access to load_dotenv, find_dotenv
```python
import os
from dotenv import load_dotenv, find_dotenv
# Load environment variable(s)
load_dotenv(find_dotenv())
HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN")
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
MONGO_URI = os.getenv("MONGO_URI")
```
## Alternative Methods
### Using Streamlit secrets.toml
```toml
# .streamlit/secrets.toml
HUGGINGFACEHUB_API_TOKEN = "your_token_here"
OPENAI_API_KEY = "your_key_here"
MONGO_URI = "your_mongodb_uri_here"
```
## Security Best Practices
- Never commit tokens to version control
- Add `.env` or `secrets.toml` to `.gitignore`
- Use read-only tokens when possible
- Regularly reresh your API keys
- Set appropriate token permissions
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