Openpyxlコピーcellセルにはすべてのスタイルが含まれます

target_cell.data_type = source_cell.data_type
target_cell.fill = copy(source_cell.fill)
if source_cell.has_style:
    target_cell._style = copy(source_cell._style)
    target_cell.font = copy(source_cell.font)
    target_cell.border = copy(source_cell.border)
    target_cell.fill = copy(source_cell.fill)
    target_cell.number_format = copy(source_cell.number_format)
    target_cell.protection = copy(source_cell.protection)
    target_cell.alignment = copy(source_cell.alignment)

if source_cell.hyperlink:
    target_cell._hyperlink = copy(source_cell.hyperlink)

if source_cell.comment:
    target_cell.comment = copy(source_cell.comment)