manage.py 文件源码

def _get_fernet_key(app_name= 'netcrawl',
                    username= 'netcrawl'):
    proc= 'manage._get_fernet_key'

    # Retrieve the encryption key from storage or generate one
    key= keyring.get_password(app_name, username)
    if key is None:
        log('Creating encryption key', v= logging.N, proc= proc)
        key = Fernet.generate_key()
        keyring.set_password(app_name, username, str(key, encoding='utf-8'))
    else:
        key= bytes(key, encoding='utf-8')

    # Create a Fernet key from the base key
    return Fernet(key)
    del(key)