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我需要从 API 获取文件，然后将其保存在调查对象中。它似乎工作正常，即我可以获取文件并将其保存在我需要的地方，但是会引发 ConnectionAbortedError 并且文件会上传两次。保存在模型中的那个是最后一个。

  • 这是views.py：
def send_survey(request):

    ## Using convertApi to merge PDFs
    convertapi.api_secret = settings.CONVERTAPI_SECRET
    result = convertapi.convert('merge', {'Files': [files_url_list]}) 

    ## Getting the file from the url
    r = requests.get(result.file.url)

    ## Saving the file to the Survey object
    if r.status_code == 200:
        contentFile = ContentFile(r.content)
        s = Survey()
        s.file.save('Last survey', contentFile, save=True)
        messages.success(request, "The literature survey saved successfully!")
    else:
        messages.error(request, r.status_code)
    return redirect('homepage')
  • 和models.py：
class Survey(models.Model):

    date = models.DateField('Date', default=date.today)
    file = models.FileField('Survey', upload_to='literature_survey/previous_surveys', default=None)
    sent = models.BooleanField('Sent?', default=False)

    def __str__(self):
        return f"Survey #{self.pk}"

我收到以下错误：

----------------------------------------
Exception happened during processing of request from ('127.0.0.1', 62615)
Traceback (most recent call last):
  File "C:\Python\Python38\lib\socketserver.py", line 650, in process_request_thread
    self.finish_request(request, client_address)
  File "C:\Python\Python38\lib\socketserver.py", line 360, in finish_request
    self.RequestHandlerClass(request, client_address, self)
  File "C:\Python\Python38\lib\socketserver.py", line 720, in __init__
    self.handle()
  File "C:\Python\Python38\lib\site-packages\django\core\servers\basehttp.py", line 174, in handle
    self.handle_one_request()
  File "C:\Python\Python38\lib\site-packages\django\core\servers\basehttp.py", line 182, in handle_one_request
    self.raw_requestline = self.rfile.readline(65537)
  File "C:\Python\Python38\lib\socket.py", line 669, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] An established connection was aborted by the software in your host machine
----------------------------------------
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