# complete socket interface as used by socket._fileobject:
class ClosedSocket(object):
	def recv(self,size=-1):
		return ''
	
	def sendall(self,buf):
		pass

	def close(self):
		pass
	
	def fileno(self):
		return -1

CLOSED_SOCKET = ClosedSocket()

class FileObject(socket._fileobject):
	def close(self):
		try:
			if self._sock:
				self.flush()
		finally:
			if self._close:
				self._sock.close()
		self._sock = CLOSED_SOCKET
	
	@property
	def closed(self):
		return self._sock is CLOSED_SOCKET