當發送帶附件的電子郵件時，'InMemoryUploadedFile'對象沒有屬性'rfind'

Question

我有一個通用的創建視圖，使用來自我的ModelForm的數據發送電子郵件，如果它有效的話。該電子郵件還應該具有表單上的文件字段的附件。

但我似乎無法弄清楚如何附加文件，併發送電子郵件。我目前收到'InMemoryUploadedFile' object has no attribute 'rfind'錯誤。

我的觀點：

from __future__ import absolute_import 

from django.shortcuts import render, get_object_or_404 
from django.views.generic import ListView, DetailView, CreateView 
from django.core.urlresolvers import reverse, reverse_lazy 
from django.http import HttpResponseRedirect 
from django.core.mail import send_mail, send_mass_mail, EmailMessage 

from .models import Job, Application 
from .forms import ApplicationForm 

class JobListView(ListView): 
    model = Job 

    def get_context_data(self, **kwargs): 
     context = super(JobListView, self).get_context_data(**kwargs) 
     context['jobs'] = self.is_expired=False 
     return context 

class JobDetailView(DetailView): 
    model = Job 

class ApplicationCreateView(CreateView): 
    model = Application 
    form_class = ApplicationForm 
    success_url = 'submitted/' 

    def dispatch(self, *args, **kwargs): 
     self.job = get_object_or_404(Job, slug=kwargs['slug']) 
     return super(ApplicationCreateView, self).dispatch(*args, **kwargs) 

    def form_valid(self, form): 
     #Get associated job and save 
     self.object = form.save(commit=False) 
     self.object.job = self.job 
     self.object.save() 

     # Gather cleaned data for email send 
     first_name = form.cleaned_data.get('first_name') 
     last_name = form.cleaned_data.get('last_name') 
     email_address = form.cleaned_data.get('email_address') 
     phone_number = form.cleaned_data.get('phone_number') 
     salary_requirement = form.cleaned_data.get('salary_requirement') 
     description = form.cleaned_data.get('description') 
     portfolio_url = form.cleaned_data.get('portfolio_url') 
     can_relocate = form.cleaned_data.get('can_relocate') 
     start_date = form.cleaned_data.get('start_date') 
     resume = form.cleaned_data.get('resume') 

     #Compose message 
     email = EmailMessage() 
     email.body = 'Name:' + first_name + last_name + '\n' + 'Email:' + email_address + '\n' + 'Phone number:' + str(phone_number) + '\n' + 'Salary requirement:' + str(salary_requirement) + '\n' + 'Description:' + description + '\n' + 'Portfolio:' + portfolio_url + '\n' + 'Can relocate:' + str(can_relocate) + '\n' + 'Start date:' + str(start_date) 
     email.subject = 'A new application has been submitted' 
     email.from_email = 'Job application <noreply@email.com>' 
     email.to = ['email@email.com',] 
     email.attach_file(resume) 
     email.send() 
     return HttpResponseRedirect(self.get_success_url()) 

    def get_context_data(self, *args, **kwargs): 
     context_data = super(ApplicationCreateView, self).get_context_data(*args, **kwargs) 
     context_data.update({'job': self.job}) 
     return context_data 

我的形式：

from django.forms import ModelForm 

from .models import Application 

class ApplicationForm(ModelForm): 
    class Meta: 
     model = Application 
     fields = [ 
      'first_name', 
      'last_name', 
      'email_address', 
      'phone_number', 
      'salary_requirement', 
      'resume', 
      'portfolio_url', 
      'description', 
      'can_relocate', 
      'start_date', 
     ] 
    def clean(self): 
     cleaned_data = super(ApplicationForm, self).clean() 
     resume = cleaned_data.get('resume') 
     resume_ext = resume.name.lower().split('.')[1] 
     if not resume_ext in ('pdf', 'doc', 'docx'): 
      msg = u"Your file must be a PDF or DOC file type." 
      self._errors["resume"] = self.error_class([msg]) 
      del cleaned_data["resume"] 
     return cleaned_data 

感謝您的幫助！

Answer 1

原來我需要利用Django的EmailMessage類的，如文檔指出：https://docs.djangoproject.com/en/1.6/topics/email/#emailmessage-objects