margins.py 文件源码

def cells_all_junk(cells, is_rubbish=None):
    """\
    Return True if all cells in the sequence are junk.
    What qualifies as junk:
    -- empty cell
    -- blank cell
    -- zero-length text
    -- text is all whitespace
    -- number cell and is 0.0
    -- text cell and is_rubbish(cell.value) returns True.
    """
    for cell in cells:
        if cell.ctype in null_cell_types:
            continue
        if cell.ctype == XL_CELL_TEXT:
            if not cell.value:
                continue
            if cell.value.isspace():
                continue
        if cell.ctype == XL_CELL_NUMBER:
            if not cell.value:
                continue
        if is_rubbish is not None and is_rubbish(cell):
            continue
        return False
    return True