How do I implement JWT authentication in Python?

How do I implement JWT authentication in Python?

To implement JWT authentication in Python, you can use libraries like PyJWT. Would you like a code example?

Yes, please provide a code example.

Here's a simple example:

import jwt
from datetime import datetime, timedelta

# Secret key
SECRET_KEY = 'your_secret_key'

# Create a token
def create_token(data):
    token = jwt.encode({
        'exp': datetime.utcnow() + timedelta(hours=1),
        'iat': datetime.utcnow(),
        'sub': data
    }, SECRET_KEY, algorithm='HS256')
    return token

# Decode a token
def decode_token(token):
    try:
        payload = jwt.decode(token, SECRET_KEY, algorithms=['HS256'])
        return payload
    except jwt.ExpiredSignatureError:
        return 'Token expired!'
    except jwt.InvalidTokenError:
        return 'Invalid token!'

This code creates and decodes JWT tokens.

What are the security best practices for using JWT?

Some best practices include using HTTPS, keeping your secret key safe, and setting short expiration times for tokens.