<realitix>
Hey arigato! Can you tell me (in summary) the CFFI History (for my talk): Why did you start it, what was the first goal, when did it become popular and anything that could be interesting
<arigato>
that's a rather broad question
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<arigato>
historically, the key factor was luajit's ffi library
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<arigato>
you should look it up if you never have
<arigato>
it is a ctypes-for-lua equivalent, done in a way that made sense to us
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<arigato>
from there, it was natural to extend the idea to the API mode, generating CPython C extensions (at first dynamically)
<arigato>
I think it caught up pretty quickly, because it's arguably nicer than ctypes, and at least as good as most code bindings generators---but supports pypy too
<realitix>
thanks arigato, I'm looking at luajit's ffi
<arigato>
not completely surprizing that luajit's ffi is designed for *luajit*---note the jit :-) it's for the same reason that cffi works nicely with pypy's jit
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<inad922>
Hi
<inad922>
Is there a way to use pytest with pypy? I mean I intend to run a given module with pypy and I use pytest for testing it, but the pytest script invokes python2.
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<lukasa>
inad922: Yes, install py.test with pypy
<lukasa>
That is, run `pypy -m pip install py.test` and then make sure you invoke the PyPy version of py.test
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<kenaan>
antocuni faster-rstruct-2 35bd6d4780d4 /: WIP: hg merge default: lots of conflicts due to the merge of Pybuffer-backport: textually fixed the con...
<jscampbell>
Hey, I'm currently getting an error with "PROTOCOL_SSLv23 = PROTOCOL_TLS" on pypy, "PROTOCOL_TLS" doesn't exist.
<lukasa>
jscampbell: PROTOCOL_TLS is new in Python 3.6
<lukasa>
PyPy doesn't support 3.6
<lukasa>
Just use PROTOCOL_SSLv23 directly, as that *does* exist.
<jscampbell>
Interesting thanks for that :) My Ansible scripts are probably pulling in the wrong python/pypy version, as that error comes from the ssl.py file in pypy
<jscampbell>
and this is the version of pypy for 2.7
<jscampbell>
"/usr/lib/pypy/lib-python/2.7/ssl.py", line 133
<lukasa>
Ah, interesting, PyPy has a variation on the ssl module that does define PROTOCOL_TLS
<lukasa>
Or at lesat, tries to
<jscampbell>
this error occurs when running pip2 to install things on the local machine.
<lukasa>
Let me see if I can work out what's going on
<lukasa>
(I'm still looking, but I need a new clone of PyPy and that's taking a while)
<lukasa>
jscampbell: huh, yes, this just looks wrong
<lukasa>
That unconditional assignment seems incorrect om e
<lukasa>
*to me
<jscampbell>
Okay, do we know what commit that was added in ? Just so I have an idea of what version of PyPy I need to rollback to until it is fixed.
<jscampbell>
So if I roll back to v5.7 that should be okay as that is (as far as I can tell) the last version released before that commit.
<lukasa>
jscampbell: Probably? I have to work out exactly what the code here was supposed to do
<jscampbell>
or maybe 5.6 ?
<jscampbell>
yeah based on the blog I should be on 5.6 as this was introduced for 5.7
<lukasa>
Hrm, now I wonder if this was actually fixed in master already
<LarstiQ>
plan_rich_: ^^?
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<lukasa>
jscampbell: Out of interest, what OpenSSL version are you linking against
<kenaan>
antocuni faster-rstruct-2 f1c2d4165559 /pypy/module/pypyjit/test_pypy_c/test_struct.py: fix for the recent changes to Bytearray, which has got an extra _offset field now. This code is a bit s...
<jscampbell>
@lukasa OpenSSL 1.0.1f 6 Jan 2014 - That seems like quite an old version so I should update that actually (inherited this from someone)
<lukasa>
So, without doing a custom translation of PyPy I'm not going to be able to reproduce this I don't think, and I can no longer convince myself that this code is definitely wrong
<lukasa>
I think PROTOCOL_TLS really should be unconditionally defined
<jscampbell>
I'll upgrade my OpenSSL and I'll see if that resolves the issues. As it's probably a dependency issue on my end, is there a way of pypy detecting the OpenSSL version upon install ? It would be great to get some kind of warning or error that this version of OpenSSL isn't supported.
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<plan_rich_>
jscampbell, hi, we support the same openssl/libressl version as cryptography... which is currently min. openssl 1.0.1
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<jscampbell>
Okay, in that case not sure why it's not working but rolling back to 5.6 fixed it
<plan_rich_>
jscampbell, are we talking about pypy2 or pypy3?
<plan_rich_>
pypy2 might even support older versions
<jscampbell>
pypy2
<kenaan>
antocuni faster-rstruct-2 1c9b9bc8492e /pypy/module/__pypy__/bytebuffer.py: the Bytebuffer class in rlib.buffer and pypy.module.__pypy__ was almost identical. Kill the latter
<kenaan>
antocuni faster-rstruct-2 6a3872237846 /rpython/rlib/buffer.py: move the definition of the class after RawBuffer, which is a base class and thus is better positioned n...
<kenaan>
antocuni faster-rstruct-2 d59317a1258f /: introduce GCBuffer, to share the implementation of typed_read and type_write among all buffers which ar...
<kenaan>
antocuni faster-rstruct-2 261fbab29544 /: write tests for ByteBuffer, make it a subclass of GCBuffer and reduce a bit of code duplication with By...
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