从Outlook使用Python脚本下载附件

Question

现在我写了一个代码，每天运行它来获取昨天电子邮件的附件。 当我运行它时，不会下载附件，而是会得到一个名为“@”的文件

代码如下：

import win32com.client
import os
from datetime import datetime, date, time, timedelta

outlook = win32com.client.Dispatch("Outlook.Application").GetNamespace("MAPI")
inbox = outlook.GetDefaultFolder(6).Folders.Item("Inbox Subfolder Name") 
messages = inbox.Items
message = messages.GetFirst()
subject = message.Subject

# Get yesterdays date for the purpose of getting emails from this date
d = (date.today() - timedelta (days=1)).strftime("%y-%m-%d")
yesterdaydate=("20"+d)
print yesterdaydate

get_path_clt1 = "Folder Location" + yesterdaydate+"\\"

if os.path.exists(get_path_clt1):
    print " File Exists"
else:
    os.mkdir(get_path_clt1)


for m in messages:
    date = str(m.senton)
    date_time_obj = datetime.strptime(date,'%m/%d/%y %H:%M:%S')
    messagedate=date_time_obj.date()

    if str(yesterdaydate) == str(messagedate) and (m.Subject == "Subject Name to compare") :
        print (message)
        print (messagedate)
        attachments = message.Attachments
        num_attach = len([x for x in attachments])
        print("test-1")
        for x in range(1, num_attach+1):
            print("test-in-1")
            attachment = attachments.Item(x)
            attachment.SaveAsFile(os.path.join(get_path_clt1,attachment.FileName))
            print (attachment)
            print ("---------------------")
            break
        message = messages.GetNext()

    else:
        message = messages.GetNext()

Answer 1

首先，无需迭代所有附件即可获得编号：

 num_attach = len([x for x in attachments])

相反，您可以使用Attachments.Count属性，该属性返回一个整数，指示指定集合中对象的计数

其次，请确保指定了有效的文件名：

 attachment.SaveAsFile(os.path.join(get_path_clt1,attachment.FileName))

我建议在生成您自己的值之前检查attachment.FileName值

最后，您可以检查Attachment.Type属性，该属性返回一个OlAttachmentType常量，指示指定对象的类型