[英]Unable to close worksheet in xlsxwriter
我正在嘗試使用 xlsxwriter 創建一個 excel 工作簿,但是當我嘗試執行workbook.close()
以下異常:
Traceback (most recent call last):
File "/usr/local/bin/fab", line 11, in <module>
sys.exit(program.run())
File "/usr/local/lib/python2.7/site-packages/invoke/program.py", line 363, in run
self.execute()
File "/usr/local/lib/python2.7/site-packages/invoke/program.py", line 532, in execute
executor.execute(*self.tasks)
File "/usr/local/lib/python2.7/site-packages/invoke/executor.py", line 129, in execute
result = call.task(*args, **call.kwargs)
File "/usr/local/lib/python2.7/site-packages/invoke/tasks.py", line 128, in __call__
result = self.body(*args, **kwargs)
File "/app/fabfile.py", line 168, in test2
workbook.close()
File "/usr/local/lib/python2.7/site-packages/xlsxwriter/workbook.py", line 304, in close
self._store_workbook()
File "/usr/local/lib/python2.7/site-packages/xlsxwriter/workbook.py", line 676, in _store_workbook
xlsx_file.write(os_filename, xml_filename)
File "/usr/lib64/python2.7/zipfile.py", line 1146, in write
zinfo.header_offset = self.fp.tell() # Start of header bytes
AttributeError: 'tuple' object has no attribute 'tell'
Exception AttributeError: "'tuple' object has no attribute 'tell'" in <bound method ZipFile.__del__ of <zipfile.ZipFile object at 0x7f87fcffa410>> ignored
我正在查詢一個數據庫,然后創建 3 個工作表並在其中填充表格,這是代碼:
def summary_main():
start_time = time.time()
print "starting job}"
##setup db and extract summaries
files_last_date = input("date in yyyy-mm-dd")
sql_h = SqlHelper()
date = datetime.today().strftime("%Y-%m-%d")
file_name=('/app/SUMMARY_',date,'.xlsx')
print "file name created = ",file_name
workbook = xlsxwriter.Workbook(file_name)
get_uploaded_files(workbook,files_last_date,sql_h)
# getting exception in the following line
workbook.close()
print "\n\nSummary has been saved, workbook closed"
上面的代碼在我本地機器上的 python3 中工作得很好,但是在服務器上我們試圖在 python2 上運行相同的代碼,這是代碼不起作用的原因嗎? 在最后一行拋出異常,這意味着在此之前沒有兼容性問題。 在 get_uploaded_files 函數中,我查詢數據庫並將數據寫入工作表,如下所示:
def get_uploaded_files(wb,dt,sql_h):
sheet = wb.add_worksheet("Uploaded Files")
data_set = sql_h.getData(dt,1)
header = ["File ID", "First Name", "Last Name", "File Name", "Comments"]
sql_h.parse_sql_data(sheet,header,data_set,wb)
以下 2 個函數在名為 SqlHelper_py2.py 的單獨文件中定義
def getData(self,dt,case):
print(self.conn)
cur=self.conn.cursor()
data_set=""
if case==1:
cur.execute(self.sql_uploaded_file.replace("%s",str(dt)))
data_set=cur.fetchall()
cur.close()
return data_set
def parse_sql_data(self,sheet,header,data_set,workbook):
format_bold=workbook.add_format({'bold': True,'border':1})
format_border=workbook.add_format({'border':1})
col = 0
count=0
dict_max={0:0}
for h in header:
sheet.write(0,col,h,format_bold)
col+=1
dict_max[count]=len(str(h))
count+=1
row = 1
for data in data_set:
col=0
for d in data:
if(dict_max[col] is not None and len(str(d))>dict_max[col]):
dict_max[col]=len(str(d))
if("datetime.datetime" not in str(type(d))):
sheet.write(row,col,d,format_border)
col+=1
row+=1
for key in dict_max:
sheet.set_column(key,key,dict_max[key]+5)
上面的代碼在我本地機器上的 python3 中運行良好
我覺得這很難相信,因為您使用了print
語句,這會導致 Python 3 出現語法錯誤。無論如何,回到您的主要問題:
AttributeError: 'tuple' 對象沒有屬性 'tell'
tell
是文件對象的一個方法。 不知何故 xlswriter 持有一個元組,它需要一個文件對象。 我們是否在您的代碼中看到任何可疑的元組? 是的:
file_name=('/app/SUMMARY_',date,'.xlsx')
workbook = xlsxwriter.Workbook(file_name)
您的file_name
不是字符串而是字符串元組。 xlsxwriter.Workbook
需要一個字符串或一個文件對象。 當它看到你沒有傳遞給它一個字符串時,它假定它必須是一個文件對象。
要解決此問題,請將文件名的各個部分連接到實際的字符串中:
file_name = ''.join('/app/SUMMARY_',date,'.xlsx')
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.