Mbpp/785

import ast
def tuple_str_int(s: str) -> tuple:
    """
    Convert a string representation of a tuple of integers into an actual tuple of integers.
    
    Args:
        s (str): A string containing a tuple of integers, e.g., "(7, 8, 9)".
    
    Returns:
        tuple: A tuple of integers parsed from the string.
    
    Example:
        >>> tuple_str_int("(7, 8, 9)")
        (7, 8, 9)
    """
    # Use ast.literal_eval for safe evaluation of the string as a Python literal.
    # This raises ValueError if the string does not represent a valid tuple literal.
    result = ast.literal_eval(s)
    if not isinstance(result, tuple):
        raise ValueError("Input string does not represent a tuple")
    # Ensure all elements are integers (optional strict check)
    if not all(isinstance(item, int) for item in result):
        raise ValueError("All elements in the tuple must be integers")
    return result

• 无失败测试

• ['((7, 8, 9)']