def list_sampling()

in awswrangler/_utils.py [0:0]

• 17 lines of code
• 7 McCabe index (conditional complexity)

def list_sampling(lst: list[Any], sampling: float) -> list[Any]:
    """Random List sampling."""
    if sampling == 1.0:
        return lst
    if sampling > 1.0 or sampling <= 0.0:
        raise exceptions.InvalidArgumentValue(f"Argument <sampling> must be [0.0 < value <= 1.0]. {sampling} received.")
    _len: int = len(lst)
    if _len == 0:
        return []
    num_samples: int = int(round(_len * sampling))
    num_samples = _len if num_samples > _len else num_samples
    num_samples = 1 if num_samples < 1 else num_samples
    _logger.debug("_len: %s", _len)
    _logger.debug("sampling: %s", sampling)
    _logger.debug("num_samples: %s", num_samples)
    random_lst: list[Any] = random.sample(population=lst, k=num_samples)
    random_lst.sort()
    return random_lst