[Python-Dev] RFC: Backport ssl.MemoryBIO and ssl.SSLObject to Python 2.7

Nick Coghlan ncoghlan at gmail.com
Fri Jun 2 12:39:44 EDT 2017

On 3 June 2017 at 02:22, Donald Stufft <donald at stufft.io> wrote:
> It’s not just bootstrapping that pip has a problem with for C extensions, it
> also prevents upgrading PyOpenSSL on Windows because having pip import
> PyOpenSSL locks the .dll, and we can’t delete it or overwrite it until the
> pip process exits and no longer imports PyOpenSSL. This isn’t a problem on
> Linux or macOS or the other *nix clients though. We patch requests as it is
> today to prevent it from importing simplejson and cryptography for this
> reason.

Would requests be loading PyOpenSSL on Windows, though? If the aim is
to facilitate PEP 543, then I'd expect it to be using the SChannel
backend in that case.


Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia

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