Ricardo Wurmus <[email protected]> writes: > 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 should also note that Python 3 itself still contains pyc files with timestamps. This could be the reason why in Nix all pyc files are rebuilt (more than once). -- Ricardo GPG: BCA6 89B6 3655 3801 C3C6 2150 197A 5888 235F ACAC https://elephly.net
