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我正在嘗試向用戶發送一個xlsx文件。我把它寫入到一個臨時文件,但我發現了以下錯誤:使用send_file發送臨時文件
TypeError: invalid file: <tempfile._TemporaryFileWrapper object at 0x04A79F90>
我不知道如何解決這個......下面是我的代碼來創建臨時文件。任何指導或建議,歡迎和讚賞:
price_tf = tempfile.TemporaryFile()
writer = pd.ExcelWriter(price_tf, engine='xlsxwriter')
price_list_df.to_excel(writer, sheet_name='Price List')
workbook = writer.book
worksheet = writer.sheets['Price List']
writer.sheets['Price List'].set_column('C:C', 45)
writer.sheets['Price List'].set_column('D:D', 65)
writer.sheets['Price List'].set_column('E:E', 12)
writer.sheets['Price List'].set_column('F:F', 6)
writer.save()
writer.close()
myio = io.StringIO()
with open(price_tf, 'rb') as f:
data = f.read()
myio.write(data)
myio.seek(0)
send_file(myio, attachment_filename="price_list.xlsx", as_attachment=True, mimetype='text/xlsx')
什麼平臺這是什麼?您可能必須使用'price_tf'對象的'file'屬性來訪問真正的文件對象。 – pjcunningham