#pypy on 2018-02-13 — irc logs at freenode.irclog.whitequark.org

2017-10-17 08:34 antocuni changed the topic of #pypy to: PyPy, the flexible snake (IRC logs: https://botbot.me/freenode/pypy/ ) | use cffi for calling C | "PyPy: the Gradual Reduction of Magic (tm)"

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00:26 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-s390x/builds/856 [default]

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00:44 <alcarithemad> so how is pypy/interpreter/astcompiler/test/test_compiler.py supposed to be used with python 3?

00:44 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/3595 [default]

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00:45 <alcarithemad> (actually, my development env maybe unrelatedly broken; I'll fix that, then ask again if there's still an issue)

00:48 <bbot2> Failure: http://buildbot.pypy.org/builders/own-win-x86-32/builds/1691 [default]

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00:58 <alcarithemad> okay

00:58 <alcarithemad> am I understanding correctly that this just doesn't work when the interpreter running the test suite doesn't match the version being targetted?

00:58 <alcarithemad> https://bitbucket.org/pypy/pypy/src/d9e0d13cf28e2a00c414210e469bdaf0ae074f4d/pypy/interpreter/astcompiler/test/test_compiler.py?at=py3.6&fileviewer=file-view-default#test_compiler.py-73

01:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-s390x/builds/808 [default]

01:00 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5274 [default]

01:12 <bbot2> Success: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/1873 [default]

01:12 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-armhf-raspbian/builds/1601 [default]

01:12 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-armhf-v7/builds/1436 [default]

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01:23 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/4495 [default]

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01:38 <bbot2> Success: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/2115 [default]

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01:53 <mattip> alcarithemad: you run the tests with python 2, like "python pytest.py <file>"

01:53 <alcarithemad> sure

01:54 <mattip> even if the code is the py3.6 branch

01:55 <alcarithemad> but that test invokes the builtin `compile`

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01:56 <alcarithemad> and then it attempts to run that bytecode in a new frame

01:57 <mattip> yes

01:57 <alcarithemad> so it's compiling 2.7 bytecode and running in a 3.6 interpreter?

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01:58 <alcarithemad> is the expectation that evalexpr will be short/simple enough to always be valid across versions like that?

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/2116 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/1874 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/3596 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5275 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/6558 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/own-linux-x86-32/builds/5730 [py3.5]

02:00 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/4496 [py3.5]

02:00 <mattip> yes, only the tests in this file

02:00 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-macosx-x86-64/builds/3596 [py3.5]

02:01 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5275 [py3.5]

02:01 <alcarithemad> okay

02:01 <mattip> you may get better answers during European hours

02:01 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-32/builds/4496 [py3.5]

02:02 <alcarithemad> I find that whole thing generally weird

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02:02 <alcarithemad> but especially because the "simplicity invariant" doesn't seem to be documented there

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02:02 <alcarithemad> and some straightforward things generate very different bytecode between versions

02:02 <alcarithemad> for example, dict literals

02:03 <mattip> there are many layers to put the whole thing together

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02:04 <bbot2> Failure: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armel/builds/2116 [py3.5]

02:05 <bbot2> Failure: http://buildbot.pypy.org/builders/build-pypy-c-jit-linux-armhf-raspbian/builds/1874 [py3.5]

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02:18 <alcarithemad> I guess my followup question is: why is it done that way and not by using pypy's compiler?

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02:22 <mattip> dunno, I guess it was written in spiral layers too, maybe now we could refactor it

02:23 <alcarithemad> well, for now I'll write my tests so that they work without touching that

02:23 <mattip> what are you working on?

02:23 <alcarithemad> but I did try replacing the `compile` with `compile_with_astcompiler` and that all the tests in the file still pass in similar runtime

02:24 <alcarithemad> I'm implementing PEP 526, type annotations for variables

02:24 <mattip> cool

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02:58 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-s390x/builds/808 [default]

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03:24 <kenaan_> mattip default fc85b98a24e2 /pypy/module/posix/app_posix.py: raise IOError not OSError

03:24 <kenaan_> mattip py3.5 46506daf1ecd /pypy/module/: remove traces of is_valid_fd since merge of msvc14

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03:28 <bbot2> Started: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5276 [mattip: force build, py3.5]

03:38 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-x86-64/builds/6558 [py3.5]

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03:51 <bbot2> Failure: http://buildbot.pypy.org/builders/own-linux-x86-32/builds/5730 [py3.5]

03:58 <kenaan_> mattip buildbot c4060955142b /bot2/pypybuildbot/master.py: unschedule BSD nightly builds

04:00 <bbot2> Started: http://buildbot.pypy.org/builders/jit-benchmark-linux-x86-64/builds/2470

04:00 <bbot2> Started: http://buildbot.pypy.org/builders/jit-benchmark-linux-x86-32/builds/3269

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04:36 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-x86-64/builds/5276 [mattip: force build, py3.5]

05:03 <njs> pypy3 nightly is crashing on "pypy3 -m ensurepip"

05:03 <njs> https://travis-ci.org/python-trio/trio/jobs/340803430

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07:05 <arigato> alcarithemad: test_compiler.check() was written long ago, nowadays it doesn't really make sense for new features

07:06 <alcarithemad> ah

07:06 <arigato> see test_fstring() in the same file, or more importantly, how f-strings are really tested, which is in other files

07:07 <arigato> I think test_fstring in this file was my own attempt to do the same as you, i.e. write a test in test_compiler, before I gave up and wrote more relevant tests elsewhere

07:37 <alcarithemad> arigato: I think I understand now, thanks

07:38 <bbot2> Failure: http://buildbot.pypy.org/builders/pypy-c-jit-linux-armhf-v7/builds/1436 [default]

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09:35 <bbot2> Success: http://buildbot.pypy.org/builders/jit-benchmark-linux-x86-32/builds/3269

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