[pyOpenSSL] PyOpenSSL patches and stuff

[Dave C. <da...@cr...>]

Hiya folks,

My little email client, Polymer, has been using PyOpenSSL for a 
while. I've been missing certain functionality, so I've patched it in 
as best I can. I'd like to guage interest in putting the patch into 
the main distribution.

Basically:

1) Add a get_cipher_name method, returns current cipher name or None 
(if there's no cipher).

2) Add a get_comp_name method, returns current compression algorithm 
name or None.

3) Added support for Python file protocol objects. Basically, if you 
pass in something that has a read and write method, then PyOpenSSL 
will use them. Sockets don't have these methods, so you still get the 
efficient C-path direct to the socket if you pass in a socket, but it 
allows you to insert Python code after the TLS layer. I find this 
useful to capture statistics, but it could be useful for other things.

These three could, of course, be three patches, or they could be one. 
I don't much care either way. :-)

Dave.
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