Ricardo Wurmus <[email protected]> writes: > I have applied this patch locally: > > diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm > index 5f701701a..0d1ecc3c6 100644 > --- a/gnu/packages/python.scm > +++ b/gnu/packages/python.scm > @@ -359,8 +359,42 @@ data types.") > "Lib/ctypes/test/test_win32.py" ; fails on > aarch64 > "Lib/test/test_fcntl.py")) ; fails on aarch64 > #t)))) > - (arguments (substitute-keyword-arguments (package-arguments python-2) > - ((#:tests? _) #t))) > + (arguments > + (substitute-keyword-arguments (package-arguments python-2) > + ((#:tests? _) #t) > + ((#:phases phases) > + `(modify-phases ,phases > + (add-after 'unpack 'patch-timestamp-for-pyc-files > + (lambda _ > + ;; We set DETERMINISTIC_BUILD to only override the mtime when > + ;; building with Guix, lest we break auto-compilation in > + ;; environments. > + (setenv "DETERMINISTIC_BUILD" "1") > + (substitute* "Lib/py_compile.py" > + (("source_stats\\['mtime'\\]") > + "(1 if 'DETERMINISTIC_BUILD' in os.environ else > source_stats['mtime'])")) > + > + ;; Use deterministic hashes for strings, bytes, and datetime > + ;; objects. > + (setenv "PYTHONHASHSEED" "0") > + > + ;; Reset mtime when validating bytecode header. > + (substitute* "Lib/importlib/_bootstrap_external.py" > + (("source_mtime = int\\(source_stats\\['mtime'\\]\\)") > + "source_mtime = 1")) > + #t)) > + (add-after 'unpack 'disable-timestamp-tests > + (lambda _ > + (substitute* > "Lib/test/test_importlib/source/test_file_loader.py" > + (("test_bad_marshal") > + "disable_test_bad_marshal") > + (("test_no_marshal") > + "disable_test_no_marshal") > + (("test_non_code_marshal") > + "disable_test_non_code_marshal")) > + #t)) > + (add-before 'check 'allow-non-deterministic-compilation > + (lambda _ (unsetenv "DETERMINISTIC_BUILD") #t)))))) > (native-search-paths > (list (search-path-specification > (variable "PYTHONPATH") > > It allows me to build python-six and python-sip reproducibly. It does > not fix problems with Python 2, and I haven’t yet tested if it causes > any new problems.
I tested importing modules in an ad-hoc environment — no problems. Unfortunately, this doesn’t fix all reproducibility problems with numpy: --8<---------------cut here---------------start------------->8--- Binary files /gnu/store/kd06ql8fynlydymzhhnwk2lh0778dwcc-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/kd06ql8fynlydymzhhnwk2lh0778dwcc-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/kd06ql8fynlydymzhhnwk2lh0778dwcc-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/kd06ql8fynlydymzhhnwk2lh0778dwcc-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/kd06ql8fynlydymzhhnwk2lh0778dwcc-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/kd06ql8fynlydymzhhnwk2lh0778dwcc-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--- But the successes with simpler Python packages are promising. -- Ricardo GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC https://elephly.net
