电子邮件在Django不工作有时 [英] Email in Django not working sometimes

问题描述

有时候可以发送邮件。但有时候错误

Index / at / retest / 8 / accepted

字符串索引超出范围

请求方法：POST

请求URL ： http://127.0.0.1:8000/retest/8/accepted

Django版本：1.10.5

异常类型：IndexError

异常值：字符串索引超出范围

异常位置：C：\Users\NajmathUmmer\AppData\Local\Programs\Python\\ \\ Python36\lib\email_header_value_parser.py in get_local_part，第1800行

Python可执行文件：C：\Users\Najmath Ummer\djangogirls\myvenv\ Scripts\python.exe
Python版本：3.6.0

Python路径：

['C：\Users\ Najmath嗯
'C：\Users\Najmath Ummer\djangogirls\myvenv\Scripts\python36.zip'，
'C：\Users\\ \\ Najmath Ummer\AppData\Local\Programs\Python\Python36\DLLs'，
'C：\Users\Najmath Ummer\AppData\Local\Programs\Python\\ \\ Python36 \lib'，
'C：\Users\Najmath Ummer\AppData\Local\Programs\Python\Python36'，
'C：\Users\ Najmath Ummer\djangogirls\myvenv'，
'C：\Users\Najmath Ummer\djangogirls\myvenv\lib\site-packages']

< blockquote>

这是我的代码：

settings.py

  EMAIL_USE_TLS = True 
 EMAIL_HOST ='smtp.gmail.com'
 EMAIL_HOST_USER ='[e-mail]'
 EMAIL_HOST_PASSWORD ='**********'
 EMAIL_PORT = 587 
  

views.py

  from django.core.mail import EmailMessage 
 def accepted（request，retest_id）：
 
 retest = get_object_or_404（Retest，pk = retest_id）
 
如果request.method =='POST'：
 retest.is_principal = True 
 retest.save（update_fields = ['is_principal']）
 email = EmailMessage（'RMS'，'您的通知正在等待'，to = [request.user。电子邮件]）
 email.send（）
 return render（request，'retest / request.html'，{'retest'：retest}）
  pre> 
 
解决方案
如前所述，需要更多信息...但是这个错误可能与到有关。 
 
 
 
当您参考： email = EmailMessage（'RMS'，'您的通知正在等待'，to = [request.user。电子邮件]）;您可能会将您的列表翻倍，因为您收到的错误是典型的。
 
 
 
在引用电子邮件的时候检查代码，您可能会找到解决方案（尝试 to = request.user.email ？）。
 
sometimes the mail can be sent.But sometime an error  

  
IndexError at /retest/8/accepted
  
  
string index out of range
  
  
Request Method:    POST
  
  
Request URL:   http://127.0.0.1:8000/retest/8/accepted
  
  
Django Version:    1.10.5
  
  
Exception Type:    IndexError
  
  
Exception Value:   string index out of range
  
  
Exception Location:    C:\Users\NajmathUmmer\AppData\Local\Programs\Python\Python36\lib\email_header_value_parser.py in get_local_part, line 1800
  
  
Python Executable: C:\Users\Najmath Ummer\djangogirls\myvenv\Scripts\python.exe
  Python Version: 3.6.0
  
  
Python Path:

  ['C:\Users\Najmath Ummer\djangogirls\rms',
   'C:\Users\Najmath Ummer\djangogirls\myvenv\Scripts\python36.zip',
   'C:\Users\Najmath Ummer\AppData\Local\Programs\Python\Python36\DLLs',
   'C:\Users\Najmath Ummer\AppData\Local\Programs\Python\Python36\lib',
   'C:\Users\Najmath Ummer\AppData\Local\Programs\Python\Python36',
   'C:\Users\Najmath Ummer\djangogirls\myvenv',
   'C:\Users\Najmath Ummer\djangogirls\myvenv\lib\site-packages']
This is my code:

settings.py
EMAIL_USE_TLS = True
EMAIL_HOST = 'smtp.gmail.com'
EMAIL_HOST_USER = '[e-mail]'
EMAIL_HOST_PASSWORD = '**********'
EMAIL_PORT = 587
views.py
from django.core.mail import EmailMessage
def accepted(request, retest_id):

    retest = get_object_or_404(Retest, pk=retest_id)

    if request.method == 'POST':
        retest.is_principal = True
        retest.save(update_fields=['is_principal'])
        email = EmailMessage('RMS', 'Your Notifications are Pending.', to=[request.user.email])
        email.send()
    return render(request, 'retest/request.html' , {'retest': retest})

解决方案
As previously stated, more information is needed...but this error is probably in relation to the "to". 

When you reference this at: email = EmailMessage('RMS', 'Your Notifications are Pending.', to=[request.user.email]) ; you are probably doubling your list because the error you received is typical for that.

Examine your code when referencing who the email is going to and and you probably will find the solution(try to=request.user.email ?).

                        
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