用python发送电子邮件，消息丢失

Question

我正在删除几个 30 天前的文件夹，并希望使用 gmail 将所有已删除文件夹的列表邮寄给自己。

目前它可以毫无问题地删除文件夹，但电子邮件中的消息和主题都是空白的。我错过了什么？

import os
import time
import shutil
import smtplib
from email.MIMEMultipart import MIMEMultipart
from email.MIMEBase import MIMEBase
from email.MIMEText import MIMEText
from email import encoders



sender = "my_email@gmail.com"
receivers = ["my_email@gmail.com"]

username = 'my_email'
password = 'passwd'

numdays = 86400*30
now = time.time()
directory=os.path.join("/home","/Downloads/trial/")
for r,d,f in os.walk(directory):
    for dir in d:
         timestamp = os.path.getmtime(os.path.join(r,dir))
         if now-numdays > timestamp:
            try:
                print "removing ",os.path.join(r,dir)
                shutil.rmtree(os.path.join(r,dir))  
            except Exception,e:
                print e
                pass
            else:
                print "Deleted folders are: %s" % os.path.join(r,dir)



msg = MIMEMultipart()
msg['To'] = 'my_email@gmail.com'
subject = "Deleted Folders : %s" % os.path.join(r,dir)
msg['Subject'] = subject

try:
mailserver = smtplib.SMTP("smtp.gmail.com", 587)
mailserver.ehlo()
mailserver.starttls()
mailserver.ehlo()
mailserver.login(sender, password)
mailserver.sendmail(sender, to, msg.as_string())
mailserver.close()
print "Successfully Sent email"
except smtplib.SMTPException:
print"Error: Unable to send email"

我收到的电子邮件主题为：已删除文件夹：/home/Downloads/trial/4/4

我的目标是创建电子邮件的消息/内容/正文，并删除所有文件夹。我在标准输出中看到了我想要的输出，即

removing  /home/Downloads/trial/1
Deleted folders are: /home/Downloads/trial/1
removing  /home/Downloads/trial/2
Deleted folders are: /home/Downloads/trial/2
removing  /home/Downloads/trial/3
Deleted folders are: /home/Downloads/trial/3

Answer 1

试试这个：

deleted_folders = []

for r,d,f in os.walk(directory):
    for dir in d:
         timestamp = os.path.getmtime(os.path.join(r,dir))
         if now-numdays > timestamp:
             try:
                 shutil.rmtree(os.path.join(r,dir))  
                 deleted_folders.append("Deleted folders are: %s" %
                                        os.path.join(r,dir))
             # Bad, it's almost never appropriate to catch all Exceptions
             # In this case, OSError seems better
             except Exception,e:
                 pass

body = MIMEText("\n".join(deleted_folders), "plain")
msg.attach(body)