Gábor Boskovits <[email protected]> writes: > 2018-03-05 16:36 GMT+01:00 Gábor Boskovits <[email protected]>: > >> 2018-03-05 1:05 GMT+01:00 Ricardo Wurmus <[email protected]>: >> >>> >>> Ricardo Wurmus <[email protected]> writes: >>> >>> > Unfortunately, this doesn’t fix all reproducibility problems with numpy: >>> > >>> > --8<---------------cut here---------------start------------->8--- >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/distutils/__pycache__/__config__.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/distutils/__ >>> pycache__/__config__.cpython-36.pyc differ >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/distutils/__pycache__/exec_command.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/distutils/__ >>> pycache__/exec_command.cpython-36.pyc differ >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/distutils/__pycache__/system_info.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/distutils/__ >>> pycache__/system_info.cpython-36.pyc differ >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/__pycache__/__config__.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/__pycache__/__config__.cpython-36.pyc >>> differ >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/__pycache__/version.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/__pycache__/version.cpython-36.pyc >>> differ >>> > Binary files /gnu/store/kd06ql8fynlydymzhhn >>> wk2lh0778dwcc-python-numpy-1.14.0-check/lib/python3.6/site- >>> packages/numpy/testing/nose_tools/__pycache__/utils.cpython-36.pyc and >>> /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/testing/nose_ >>> tools/__pycache__/utils.cpython-36.pyc differ >>> > --8<---------------cut here---------------end--------------->8--- >>> >>> Here’s what diffoscope says: >>> >>> --8<---------------cut here---------------start------------->8--- >>> diffoscope /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0{-check,}/lib/python3.6/site-packages/numpy/__pycache_ >>> _/version.cpython-36.pyc >>> --- /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0-check/lib/python3.6/site-packages/numpy/__pycache__/ >>> version.cpython-36.pyc >>> +++ /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-python-numpy-1. >>> 14.0/lib/python3.6/site-packages/numpy/__pycache__/version.cpython-36.pyc >>> @@ -1,8 +1,8 @@ >>> -00000000: 330d 0d0a fa87 9c5a 2601 0000 e300 0000 3......Z&....... >>> +00000000: 330d 0d0a c485 9c5a 2601 0000 e300 0000 3......Z&....... >>> 00000010: 0000 0000 0000 0000 0001 0000 0040 0000 .............@.. >>> 00000020: 0073 2000 0000 6400 5a00 6400 5a01 6400 .s ...d.Z.d.Z.d. >>> 00000030: 5a02 6401 5a03 6402 5a04 6504 731c 6502 Z.d.Z.d.Z.e.s.e. >>> 00000040: 5a01 6403 5300 2904 7a06 312e 3134 2e30 Z.d.S.).z.1.14.0 >>> 00000050: da28 3639 3134 6262 3431 6630 6662 3363 .(6914bb41f0fb3c >>> 00000060: 3162 6135 3030 6261 6534 6537 6436 3731 1ba500bae4e7d671 >>> 00000070: 6461 3935 3336 3738 3666 544e 2905 da0d da9536786fTN)... >>> --8<---------------cut here---------------end--------------->8--- >>> >>> In other words: this is the timestamp field of the pyc file. >>> >>> Maybe this can be avoided by setting DETERMINISTIC_BUILD in the >>> python-build-system? >>> >>> >> It seems that the deterministic build patch already landed upstream >> https://github.com/python/cpython/pull/5200, so we might consider >> applying the upstream patches. WDYT? >> > > And also this: https://github.com/python/cpython/pull/4575. > I'm now having a look at this approach. However this second one > seems quite invasive...
These patches are for what will become Python 3.7. Python 3.6 does not have support for “invalidation_mode”, so at least the first patch would not work for us. -- Ricardo GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC https://elephly.net
