utils.py 文件源码

def print_update_list(lst, fields, formatters=None):
    """Print the stack-update --dry-run output as a table.

    This function is necessary to print the stack-update --dry-run
    output, which contains additional information about the update.
    """
    formatters = formatters or {}
    pt = prettytable.PrettyTable(fields, caching=False, print_empty=False)
    pt.align = 'l'

    for change in lst:
        row = []
        for field in fields:
            if field in formatters:
                row.append(formatters[field](change.get(field, None)))
            else:
                row.append(change.get(field, None))

        pt.add_row(row)

    if six.PY3:
        print(encodeutils.safe_encode(pt.get_string()).decode())
    else:
        print(encodeutils.safe_encode(pt.get_string()))