STINNER Victor <victor.stin...@haypocalc.com> added the comment:
Ok, some news about this bug (I tested the ftp test account): the
problem is that the data socket is not closed when self.voidresp() is
called. I can't see close() syscall before the call to
self.voidresp(). SocketIO.close() does nothing: it does not really
close the socket, just the file. And socket.close() does also nothing
because there is still an io reference... the closed file :-/ The io
reference counter is only updated when the file is destroyed.
conn = <create a socket>
# conn._io_refs=0
fp = conn.makefile('r', encoding=self.encoding)
# conn._io_refs=1
...
fp.close() # only set fp.closed to True
conn.close() # only set conn._closed to True
# conn._io_refs=1 and the socket (file descriptor) is still open
del fp
# conn._io_refs=0 -> the socket is finally closed!
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue4791>
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