excel表格添加固定宽高的图片

import xlsxwriter,xlrd
import glob

#打开excel文件
data=xlrd.open_workbook('优秀创意库-20180725.xlsx')
#获取第一张工作表（通过索引的方式）
table=data.sheets()[0]

def new_xlsx():
    book = xlsxwriter.Workbook('pict1.xlsx')

    worksheet = book.add_worksheet('demo')

    nrows = table.nrows

    # 表头
    rows = table.row_values(0)
    for i, v in enumerate(rows):
        if v != '':
            worksheet.write(0, i, v)
    #表体
    for k in range(1,nrows-1):
        rows = table.row_values(k)
        for i, v in enumerate(rows):
            if v != '':
                worksheet.set_column('H:H',width=60)
                worksheet.set_row(k,height=265)
                if i == 7:
                    worksheet.insert_image('H'+str(k+1), '../screenshot_fina/'+str(int(rows[6]))+'.png', {'x_offset': 6, 'y_offset': 3})
                else:
                    worksheet.write(k,i,v)

    book.close()

new_xlsx()