python and openSSL

[Luca Bel]

Hi all.
I need a trick to do something like this:

openssl smime -decrypt -verify -inform DER -in ReadmeDiKe.pdf.p7m
-noverify -out ReadmeDike.pdf

To unwrap a p7m file and read his content.

I know that I could use somthing like:

>>> import os
>>> os.system('openssl ....')

but i would use a python library to wrap openssl.

I've already install pyOpenSSL, but I can not understand how to run the same
command.

Can someone help me?

Thx to all.
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