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author | Anderson Bravalheri <andersonbravalheri@gmail.com> | 2022-11-23 14:08:41 +0000 |
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committer | Anderson Bravalheri <andersonbravalheri@gmail.com> | 2022-11-23 14:08:41 +0000 |
commit | d805c5393e907fd9c72e9b94fd46910d2b13f582 (patch) | |
tree | fdf693c87e38f84a092821528129a26f86b423a2 | |
parent | 8c581488b1b0fa21f65674c6dbab4745ff96e63a (diff) | |
parent | 3ec0769aac15f588159eb88433c1d942c0bf34d7 (diff) | |
download | python-setuptools-git-d805c5393e907fd9c72e9b94fd46910d2b13f582.tar.gz |
Improve clib builds reproducibility (#3679)
-rw-r--r-- | changelog.d/3678.change.rst | 1 | ||||
-rw-r--r-- | setuptools/command/build_clib.py | 2 | ||||
-rw-r--r-- | setuptools/tests/test_build_clib.py | 28 |
3 files changed, 30 insertions, 1 deletions
diff --git a/changelog.d/3678.change.rst b/changelog.d/3678.change.rst new file mode 100644 index 00000000..89d796d7 --- /dev/null +++ b/changelog.d/3678.change.rst @@ -0,0 +1 @@ +Improve clib builds reproducibility by sorting sources -- by :user:`danigm` diff --git a/setuptools/command/build_clib.py b/setuptools/command/build_clib.py index 67ce2444..09483e69 100644 --- a/setuptools/command/build_clib.py +++ b/setuptools/command/build_clib.py @@ -28,7 +28,7 @@ class build_clib(orig.build_clib): "in 'libraries' option (library '%s'), " "'sources' must be present and must be " "a list of source filenames" % lib_name) - sources = list(sources) + sources = sorted(list(sources)) log.info("building '%s' library", lib_name) diff --git a/setuptools/tests/test_build_clib.py b/setuptools/tests/test_build_clib.py index af9e7c6d..2d9273cd 100644 --- a/setuptools/tests/test_build_clib.py +++ b/setuptools/tests/test_build_clib.py @@ -2,6 +2,7 @@ from unittest import mock import pytest +import random from distutils.errors import DistutilsSetupError from setuptools.command.build_clib import build_clib from setuptools.dist import Distribution @@ -56,3 +57,30 @@ class TestBuildCLib: cmd.build_libraries(libs) assert cmd.compiler.compile.call_count == 1 assert cmd.compiler.create_static_lib.call_count == 1 + + @mock.patch( + 'setuptools.command.build_clib.newer_pairwise_group') + def test_build_libraries_reproducible(self, mock_newer): + dist = Distribution() + cmd = build_clib(dist) + + # with that out of the way, let's see if the crude dependency + # system works + cmd.compiler = mock.MagicMock(spec=cmd.compiler) + mock_newer.return_value = ([], []) + + original_sources = ['a-example.c', 'example.c'] + sources = original_sources + + obj_deps = {'': ('global.h',), 'example.c': ('example.h',)} + libs = [('example', {'sources': sources, 'obj_deps': obj_deps})] + + cmd.build_libraries(libs) + computed_call_args = mock_newer.call_args[0] + + while sources == original_sources: + sources = random.sample(original_sources, len(original_sources)) + libs = [('example', {'sources': sources, 'obj_deps': obj_deps})] + + cmd.build_libraries(libs) + assert computed_call_args == mock_newer.call_args[0] |