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我正在尝试向用户发送一个xlsx文件。我把它写入到一个临时文件,但我发现了以下错误:使用send_file发送临时文件
TypeError: invalid file: <tempfile._TemporaryFileWrapper object at 0x04A79F90>
我不知道如何解决这个......下面是我的代码来创建临时文件。任何指导或建议,欢迎和赞赏:
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')
什么平台这是什么?您可能必须使用'price_tf'对象的'file'属性来访问真正的文件对象。 – pjcunningham