credentials.py 文件源码

def search_boto_config(**kwargs):
    """
    Look for credentials in boto config file.
    """
    credentials = access_key = secret_key = None
    if 'BOTO_CONFIG' in os.environ:
        paths = [os.environ['BOTO_CONFIG']]
    else:
        paths = ['/etc/boto.cfg', '~/.boto']
    paths = [os.path.expandvars(p) for p in paths]
    paths = [os.path.expanduser(p) for p in paths]
    cp = configparser.RawConfigParser()
    cp.read(paths)
    if cp.has_section('Credentials'):
        access_key = cp.get('Credentials', 'aws_access_key_id')
        secret_key = cp.get('Credentials', 'aws_secret_access_key')
    if access_key and secret_key:
        credentials = Credentials(access_key, secret_key)
    return credentials