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在Django中分叉

[英]Forking in Django

我正在嘗試在django視圖中制作os.fork()並得到一個錯誤: Port 8000 already in use 據我了解,當我執行os.fork()文件描述符時,我在兩個進程的同一端口中獲得了兩個套接字。

   def view(request):
       ...
       if not os.fork():
          target()
       return

    def target(*args, **kwargs):
       ...
       sd = socket.socket(*args, **kwargs)
       sd.bind(*args)
       sd.listen()
       nsd = sd.accept()
      ...

如果我在子項中對打開的描述符執行os.close()os.close()收到WSGI錯誤:

for i in os.listdir("/proc/%s/fd" % os.getpid()):
   os.close(int(i))

Traceback (most recent call last):
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 94, in run
    self.finish_response()
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 135, in finish_response
    self.write(data)
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 218, in write
    self.send_headers()
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 274, in send_headers
    self.send_preamble()
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 197, in send_preamble
    self._write('HTTP/%s %s\r\n' % (self.http_version,self.status))
  File "/usr/lib/python2.6/wsgiref/handlers.py", line 404, in _write
    self.stdout.write(data)
  File "/usr/lib/python2.6/socket.py", line 318, in write
    self.flush()
  File "/usr/lib/python2.6/socket.py", line 297, in flush
    self._sock.sendall(buffer(data, write_offset, buffer_size))
error: [Errno 9] Bad file descriptor

我需要將此技巧作為單獨的過程,並且我不想使用3D派對應用程序(例如芹菜)。

我認為正確的解決方案是使用celery(http://docs.celeryproject.org/en/latest/)或等效方法。

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