[issue8108] test_ftplib fails with OpenSSL 0.9.8m

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

> If everyone agrees on "error: [Errno 0] Error" being a legitimate alias 
> for a "connection closed event" condition then I'd say the test server 
> looks good, even if I think that expecting a ssl.SSLError derived
> exception would have made more sense, but I understand this is a
> OpenSSL inherited behavior.

Well, it's quite an unfortunate error display, so perhaps we could detect it and turn into something more meaningful instead.
However, I think it should remain a socket error or an OS error, because it's really the underlying socket which is closed, not the SSL wrapper.

> Anyway, I'd like to improve the SSL test server in future as I'm sure > it hides some other problems but I can do that once pyftpdlib's SSL
> server code is more mature and after 2.7 is released.

Shouldn't it become part of asyncore at some point? It's both useful (well, for people using asyncore anyway :-)) and non-trivial.

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