how to convert xls to xlsx

Question

I have some *.xls(excel 2003) files， and I want to convert those files into xlsx(excel 2007).

I use the uno python package, when I save the documents, I can set the

Answer 1

I found none of answers here 100% right. So I post my codes here:

import xlrd
from openpyxl.workbook import Workbook

def cvt_xls_to_xlsx(src_file_path, dst_file_path):
    book_xls = xlrd.open_workbook(src_file_path)
    book_xlsx = Workbook()

sheet_names = book_xls.sheet_names()
for sheet_index, sheet_name in enumerate(sheet_names):
    sheet_xls = book_xls.sheet_by_name(sheet_name)
    if sheet_index == 0:
        sheet_xlsx = book_xlsx.active
        sheet_xlsx.title = sheet_name
    else:
        sheet_xlsx = book_xlsx.create_sheet(title=sheet_name)

    for row in range(0, sheet_xls.nrows):
        for col in range(0, sheet_xls.ncols):
            sheet_xlsx.cell(row = row+1 , column = col+1).value = sheet_xls.cell_value(row, col)

book_xlsx.save(dst_file_path)