统计excel表格的py

# -*- coding: utf-8 -*-

import xlrd
import xlwt
import os
import sys
reload(sys)
sys.setdefaultencoding('utf8')
xlrd.Book.encoding = "gbk"

type=sys.getfilesystemencoding()
s = os.sep
counter = 0
chipan = "e:"
wenjianjia = "hh"
wenjianjia = wenjianjia.decode('utf-8').encode(type)
root = chipan + s + wenjianjia + s
for root,dirs,files in os.walk(root):
    for dir in dirs:
        os.path.join(root,dir).decode('gbk').encode('utf-8')
    for file in files:
        filename = os.path.join(root,file).decode('gbk').encode('utf-8')
        if (os.path.splitext(filename)[1] == '.xls')or(os.path.splitext(filename)[1] == '.xlsx'):
            try:
                print filename.decode('utf-8').encode(type)
                uipath = unicode(filename, "utf8")
                data = xlrd.open_workbook(uipath)
                table = data.sheets()[0]
                assert isinstance(table.nrows, object)
                nrows = table.nrows
                counter += nrows
                print counter
            except:
                print "error"