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[Python-Dev] Withdraw PEP 546? Backport ssl.MemoryBIO and ssl.SSLObject to Python 2.7


+1 for withdrawing it.  It's much too late in the 2.7 maintenance
schedule to start bothering with such a large and perilous backport.

Regards

Antoine.



On Wed, 30 May 2018 16:28:22 +0200
Victor Stinner <vstinner at redhat.com> wrote:
> Hi,
> 
> tl; dr I will withdraw the PEP 546 in one week if noboy shows up to
> finish the implementation.
> 
> 
> Last year,I wrote the PEP 546 with Cory Benfield:
> "Backport ssl.MemoryBIO and ssl.SSLObject to Python 2.7"
> https://www.python.org/dev/peps/pep-0546/
> 
> The plan was to get a Python 2.7 implementation of Cory's PEP 543:
> "A Unified TLS API for Python"
> https://www.python.org/dev/peps/pep-0543/
> 
> Sadly, it seems like Cory is no longer available to work on the projec
> (PEP 543 is still a draft)t.
> 
> The PEP 546 is implemented:
> https://github.com/python/cpython/pull/2133
> 
> Well, I closed it, but you can still get it as a patch with:
> https://patch-diff.githubusercontent.com/raw/python/cpython/pull/2133.patch
> 
> But tests fail on Travis CI whereas I'm unable to reproduce the issue
> on my laptop (on Fedora). The failure seems to depend on the version
> of OpenSSL. Christian Heimes has a "multissl" tool which automates
> tests on multiple OpenSSL versions, but I failed to find time to try
> this tool.
> 
> Time flies and one year later, the PR of the PEP 546 is still not
> merged, tests are still failing.
> 
> One month ago, when 2.7.15 has been released, Benjamin Peterson,
> Python 2.7 release manager, simply proposed:
> "The lack of movement for a year makes me wonder if PEP 546 should be
> moved to Withdrawn status."
> 
> Since again, I failed to find time to look at the test_ssl failure, I
> plan to withdraw the PEP next week if nobody shows up :-( Sorry Python
> 2.7!
> 
> Does anyone would benefit of MemoryBIO in Python 2.7? Twisted,
> asyncio, trio, urllib3, anyone else? If yes, who is volunteer to
> finish the MemoryBIO backport (and maintain it)?
> 
> Victor