我正在研究将在excel文件中添加一个字符串并将该文件附加到电子邮件的python代码。我正在使用AWS SES发送此电子邮件。
[当我尝试运行我的代码时,它给我以下错误-
TypeError: expected bytes-like object, not Workbook
下面是我的代码-
import boto3
import xlsxwriter
from email.mime.text import MIMEText
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
def lambda_handler(event, context):
client = boto3.client('ses',region_name=AWS_REGION)
sender = "[email protected]"
to = "[email protected]"
workbook = xlsxwriter.Workbook('abc.xlsx')
worksheet = workbook.add_worksheet()
worksheet.write('A1', 'Hello..')
#send email with attachment
msg = MIMEMultipart()
msg['Subject'] = 'Test Email'
msg['From'] = sender
msg['To'] = to
body_text = MIMEText(BODY_TEXT, "html")
attachment = MIMEApplication(workbook)
attachment.add_header('Content-Disposition', 'attachment', filename='Expenses01.xlsx')
msg.attach(attachment)
msg.attach(body_text)
response = client.send_raw_email(
Source=sender,
Destinations=[to],
RawMessage={"Data": msg.as_string()}
)
我知道工作簿对象有问题。但是我不知道如何解决这个问题。有人可以帮我吗?
您的问题没有说where发生错误,但我认为它发生在这里:
attachment = MIMEApplication(workbook)
您应该以字节为单位,而不是复杂的python对象。
调用workbook.close()
以写出'abc.xlsx'
文件,并发送that二进制文件作为附件。
阅读XLSXWriter文档后,我找到了答案。链接-https://xlsxwriter.readthedocs.io/workbook.html
我正在发布此答案,以便它可以帮助其他像我这样的新python开发人员。早期的MIMEApplication()不接受工作簿对象,因此我们需要对其进行转换。我已经更新了我的代码。我已经使用BytesIO创建Workbook对象,然后将该对象添加到MIMEApplication()中。本示例将创建excel文件并将该文件附加到电子邮件。新代码-
from io import BytesIO
output = BytesIO()
workbook = xlsxwriter.Workbook(output)
worksheet = workbook.add_worksheet()
worksheet.write('A1', 'Hello..')
attachment = MIMEApplication(output.getvalue())
attachment.add_header('Content-Disposition', 'attachment', filename='abc.xlsx')
attachment.add_header('Content-Type', 'application/vnd.ms-excel; charset=UTF-8')